CN118026463A - Sewage treatment process for high-efficiency denitrification and dephosphorization - Google Patents

Sewage treatment process for high-efficiency denitrification and dephosphorization Download PDF

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Publication number
CN118026463A
CN118026463A CN202410336088.8A CN202410336088A CN118026463A CN 118026463 A CN118026463 A CN 118026463A CN 202410336088 A CN202410336088 A CN 202410336088A CN 118026463 A CN118026463 A CN 118026463A
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CN
China
Prior art keywords
scraping
filter
side wall
sewage
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202410336088.8A
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Chinese (zh)
Inventor
于帅
王旭
倪向武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Boqiao Construction Engineering Co ltd
Original Assignee
Sichuan Boqiao Construction Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Boqiao Construction Engineering Co ltd filed Critical Sichuan Boqiao Construction Engineering Co ltd
Priority to CN202410336088.8A priority Critical patent/CN118026463A/en
Publication of CN118026463A publication Critical patent/CN118026463A/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
    • B01D33/19—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • B01D33/23—Construction of discs or component sectors thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
    • B01D33/56—Regenerating the filter material in the filter by forces created by movement of the filter element involving centrifugal force
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention relates to the technical field of sewage treatment, and particularly provides a sewage treatment process for high-efficiency denitrification and dephosphorization. The sewage treatment process for high-efficiency denitrification and dephosphorization comprises the following steps: step one: introducing sewage into a grid filtering room through a water inlet pump room, and primarily filtering the sewage; step two: buffering the sewage after preliminary filtration by an adjusting buffer tank, and then guiding the sewage into a biochemical tank to carry out biological treatment on the sewage; step three: introducing the sewage after biological treatment into a cloth filter, and carrying out further filtration treatment on the sewage through the cloth filter; the rotation of the filter disc mechanism can clean suspended matters or sediments attached to the filter disc mechanism through the centrifugal force and the friction force of water, the filtering effect is further improved, and the scraping mechanism can scrape the suspended matters or sediments attached to the filter disc mechanism, so that the blocking to the filter disc mechanism is reduced.

Description

Sewage treatment process for high-efficiency denitrification and dephosphorization
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment process for high-efficiency denitrification and dephosphorization.
Background
The sewage treatment is a process of removing or reducing various pollutants in sewage to a certain standard so that the pollutants can be safely discharged or recycled, the main purpose of the sewage treatment is to protect water resources and environment and prevent the spread of water pollution and diseases, the sewage treatment generally comprises primary treatment, secondary treatment, tertiary treatment and disinfection treatment, the primary treatment mainly removes large-particle matters by grating filtration, the secondary treatment mainly removes organic matters and nutrient matters by biological methods, the tertiary treatment mainly further removes refractory organic matters, nitrogen, phosphorus and other nutrient matters, and the disinfection treatment is to kill residual pathogenic microorganisms, and the treated water is generally required to be disinfected. At present, sewage is treated through a cloth filter in three stages of treatment, and in the process of filtering the sewage through the cloth filter, the cloth is easily blocked by sediment and suspended matters in the sewage, so that the filtering effect of the cloth is affected.
Disclosure of Invention
Based on this, it is necessary to provide a sewage treatment process for efficient denitrification and dephosphorization, so as to solve at least one technical problem set forth in the above background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A sewage treatment process for high-efficiency denitrification and dephosphorization comprises the following steps:
Step one: introducing sewage into a grid filtering room through a water inlet pump room, and primarily filtering the sewage;
Step two: buffering the sewage after preliminary filtration by an adjusting buffer tank, and then guiding the sewage into a biochemical tank to carry out biological treatment on the sewage;
Step three: introducing the sewage after biological treatment into a cloth filter, and carrying out further filtration treatment on the sewage through the cloth filter;
Step four: introducing the sewage filtered by the cloth filter into a disinfection tank, disinfecting the sewage, and then discharging the sewage; the filtering cloth filter in the third step comprises a water pool mechanism, a pipe body mechanism, a plurality of filter disc mechanisms, a driving mechanism, a pollution discharge mechanism and a plurality of scraping mechanisms, wherein a filtering cavity is formed in the top of the water pool mechanism, the pipe body mechanism is installed in the middle of the water pool mechanism, one end of the pipe body mechanism penetrates through the water pool mechanism to extend outwards, the filter disc mechanisms are installed on the lateral wall of the pipe body mechanism, the plurality of filter disc mechanisms are arranged at equal intervals along the length direction of the pipe body mechanism, the driving mechanism is fixedly arranged at the top of one end of the water pool mechanism, the driving mechanism is in transmission connection with the pipe body mechanism, the pollution discharge mechanism is installed at the bottom of the water pool mechanism, the plurality of scraping mechanisms are all installed at the bottom of the water pool mechanism, the plurality of scraping mechanisms are correspondingly arranged with the plurality of filter disc mechanisms, the scraping mechanisms are attached to the lower part of the lateral wall of one side of the corresponding filter disc mechanisms, and the pollutant on the filter disc mechanisms is scraped.
Preferably, the pond mechanism includes filtering pond box, control box, inlet tube and drive backup pad, and the top with filtering pond box is seted up to the filtering chamber, and control box fixed mounting is in the one end of filtering pond box, and control cavity has been seted up at the top of control box, and inlet tube fixed mounting is close to the top of control box one end in filtering pond box, and inlet tube and filtering chamber intercommunication, drive backup pad fixed mounting is kept away from the top of filtering pond box one side lateral wall in control box.
Preferably, the pipe body mechanism comprises a water outlet pipe, a central hollow pipe and a driving rotating rod, wherein the water outlet pipe is fixedly arranged at one end of the filter tank body, which is far away from the control box body, one end of the water outlet pipe penetrates through the side wall of the filter tank body to extend into the filter cavity, the central hollow pipe is rotatably arranged at one end of the water outlet pipe, which is located in the filter cavity, a plurality of filtering water inlet tanks are arranged on the outer side wall of the central hollow pipe, the filtering water inlet tanks are communicated with the inside of the central hollow pipe, the driving rotating rod is fixedly arranged at one end of the central hollow pipe, which is far away from the water outlet pipe, and one end of the driving rotating rod, which is far away from the water outlet pipe, penetrates through the side wall of the filter tank body to extend to the side wall of the control box body, which is far away from the filter tank body, and the side wall of the filter tank body and the control box body are all in running fit.
Preferably, the filter disc mechanism comprises a plurality of fan-shaped pieces and a plurality of filter cloth, wherein the fan-shaped pieces are arranged on the periphery of the outer side wall of the central hollow pipe, the filter cloth is arranged on the side walls of the two sides of the corresponding fan-shaped pieces, the fan-shaped pieces are arranged corresponding to the filtering water inlet grooves, sewage can be filtered through the filter cloth and enter the fan-shaped pieces, then enters the central hollow pipe from the inside of the fan-shaped pieces through the corresponding filtering water inlet grooves, and finally flows from the central hollow pipe to be discharged from the water outlet pipe.
Preferably, the driving mechanism comprises a gear motor, a driving connecting shaft, a driving rotating wheel and a driving transmission belt, the gear motor is fixedly arranged at the top of the driving supporting plate, the driving connecting shaft is fixedly arranged on an output shaft of the gear motor, the driving rotating wheel is fixedly arranged at one end of the driving connecting shaft, which is far away from the gear motor, the driving transmission belt is sleeved on the outer side wall of the driving rotating wheel and the driving rotating rod, the driving rotating wheel can drive the driving rotating wheel to rotate through the driving transmission belt, the sewage draining mechanism comprises two sewage draining valves and a sewage draining pipeline, the two sewage valves are arranged at the bottom of one end, which is close to the control box, of the filter tank, the sewage pipeline is arranged at one end, which is far away from the filter tank, of the sewage pipeline is communicated with the filter cavity through the sewage valves.
Preferably, strike off the mechanism and strike off the dead lever including striking off the dead lever, a plurality of scraper blade subassembly, strike off reciprocal subassembly and strike off the drive assembly, strike off the bottom of dead lever fixed mounting in the filtration cavity, scraper blade subassembly fixed mounting is on striking off the lateral wall of dead lever, and a plurality of scraper blade subassembly is along the equidistant interval setting of length direction who strikes off the dead lever, strike off reciprocal subassembly and install on a lateral wall of a plurality of scraper blade subassembly, and the bottom that the reciprocal subassembly of partial striking off passed the filtration cavity downwardly extending, strike off the drive assembly and install in the bottom of filtering pond box, and strike off the drive assembly and strike off reciprocal subassembly transmission and be connected.
Preferably, the scraper assembly comprises a scraper fixing block, a scraping connecting plate, a scraping sealing plate, a plurality of rotating scraping blocks, a supporting vibration piece and a displacement sliding plate, wherein the scraper fixing block is fixedly installed on the lateral side wall of a scraping fixing rod, the scraping connecting plate is fixedly installed at one end of the scraper fixing block, the scraping connecting plate faces to one side wall of a corresponding filter cloth and is provided with a scraping groove, the other side wall of the scraping connecting plate is provided with a blank groove, the scraping sealing plate is hermetically installed on one side wall of the blank groove far away from the scraping groove, the plurality of rotating scraping blocks are rotatably installed on one side wall of the scraping groove close to the scraping sealing plate through torsion springs, the rotating scraping blocks are convexly provided with an adjusting turnover plate in the blank groove, the supporting vibration piece penetrates through the middle of the scraping connecting plate and the scraping sealing plate, and the displacement sliding plate is slidably installed on one side wall of the scraping sealing plate close to the rotating scraping sealing plate.
Preferably, a telescopic round groove extending to the empty groove is formed on one side wall of the scraping groove, a telescopic square groove corresponding to the telescopic round groove is formed on the side wall of the scraping sealing plate in a penetrating manner, the supporting vibration piece comprises a telescopic square rod, two supporting arc blocks, a telescopic round rod, a limiting circular ring, a vibration spring, supporting wedge blocks and a vibration lug, the telescopic square rod is slidably arranged on the side wall of the telescopic square groove, the two supporting arc blocks are fixedly arranged on the side walls of the two sides of the telescopic square groove far away from one end of the scraping connecting plate, the telescopic round rod is fixedly arranged at one end of the telescopic square rod in the empty groove, the telescopic round rod is slidably arranged on the side wall of the telescopic round groove, the limiting circular ring is fixedly arranged on the outer side wall of one end of the telescopic round rod close to the telescopic square rod, two ends of the vibration spring are fixedly arranged on the limiting circular ring and the side wall of the scraping sealing plate respectively, and the vibration spring is arranged on the outer side of the telescopic square rod, the supporting wedge block is fixedly arranged on one side wall of the limit circular ring, which faces the scraper fixing block, a first supporting inclined plane is formed at one end of the supporting wedge block, which is far away from the limit circular ring, the distance between the first supporting inclined plane and the telescopic circular rod is gradually reduced towards the direction of the scraping sealing plate, a wedge-shaped sliding block is convexly arranged on one side wall of the displacement sliding plate, which is far away from the scraping sealing plate, the wedge-shaped sliding block is formed with a second supporting inclined plane corresponding to the first supporting inclined plane, the wedge-shaped sliding block supports against each other through the first supporting inclined plane and the second supporting inclined plane of the supporting wedge block, a plurality of adjusting supporting plates corresponding to the adjusting turnover plates are convexly arranged on one side wall of the displacement sliding plate, which is far away from the scraping sealing plate, the adjusting supporting plates support against one side wall corresponding to the adjusting turnover plates, the vibration protruding block is fixedly arranged at one end of the telescopic circular rod, which is far away from the telescopic square rod, the side wall of one side of the scraping groove, which is close to the scraping sealing plate, is convexly provided with a telescopic ring block, and the vibration lug is arranged on the side wall of the inner side of the telescopic ring block in a sliding manner.
Preferably, strike off reciprocal subassembly includes reciprocal carriage, two reciprocal slide rails, reciprocal lead screw, reciprocal slider, two reciprocal connecting blocks, two wedge shifting blocks and first band pulley, reciprocal carriage fixed mounting is kept away from on the lateral wall of one side of filter cloth in a plurality of strike off sealing plate, hold the chamber in the reciprocal carriage, two reciprocal slide rail fixed mounting are on holding the relative both sides lateral wall in chamber, the both ends of reciprocal lead screw rotate respectively and install in holding the top and the bottom in chamber, and reciprocal carriage passes the bottom of reciprocal lead screw and extends to the outside of filter cavity with the filter tank body, reciprocal slider screw thread installation is on reciprocal lead screw, and reciprocal slider is located and holds the intracavity, reciprocal spout has been seted up on the relative both sides lateral wall of reciprocal slider, reciprocal slider slides through two reciprocal spout and sets up on the lateral wall of two reciprocal slide rails, two reciprocal connecting blocks are fixed mounting on one side lateral wall of reciprocal slider orientation strike off the sealing plate, and wedge shifting block sets up in reciprocal one side lateral wall one end of keeping away from reciprocal slider, and bottom in the reciprocal side lateral wall of holding the connecting block and forming symmetrical slope between the reciprocal slider, reciprocal arc setting up the direction of sliding block, the direction of striking down can be kept away from the wedge shifting block to the arc when the reciprocal slider is kept away from to the slope, reciprocal arc setting up and can move the sealing plate, reciprocal arc setting up and can move the slope to the end of sliding block is kept away from the slope.
Preferably, strike off drive assembly and strike off the drive belt including strike off motor, second band pulley, strike off motor fixed mounting in the bottom of filtering pond box, second band pulley fixed mounting is on strike off the output shaft of motor, strike off the drive belt cover and locate on second band pulley and the first band pulley.
Compared with the prior art, the invention has the beneficial effects that:
1. Through the rotation of filter disc mechanism and body mechanism, can increase the contact chance of sewage and filter disc mechanism, thereby improve filtration efficiency, the rotation of filter disc mechanism can also clear up the suspended solid or the precipitate of part adhesion on filter disc mechanism through centrifugal force and the frictional force of water, further improve the filter effect, strike off the mechanism and can strike off the suspended solid or the precipitate of adhesion on the filter disc mechanism, thereby reduce the jam to filter disc mechanism, the life of extension filter disc mechanism, through filtering and clearance effect, suspended solid or the precipitate in can blocking sewage, the treatment effect of improvement sewage.
2. Can increase the surface area with sewage contact through the rotation of filter cloth, make more sewage filter through the filter cloth, improve filterable efficiency, reduce impurity content in the sewage, precipitate and suspended solid can adhere to on the lateral wall of filter cloth, along with the lapse of time, can reduce the filter effect of filter cloth, the rotatory partial precipitate that drives of filter cloth leaves the filter cloth, reduce precipitate and the suspended solid that adheres to on the filter cloth, the life of extension filter cloth, deposit and the suspended solid on the filter cloth are piled up through reducing, maintenance and clear frequency have been reduced, stability and economic nature have been improved.
3. The sediment and suspended solids on the filter cloth are scraped through the rotating scraping block, the quantity of the sediment attached to the filter cloth is reduced, so that the filtering effect of the filter cloth on sewage is improved, the sediment and suspended solids on the filter cloth can be effectively removed through the scraping effect of the rotating scraping block, the sediment and suspended solids are reduced, the filter cloth is prevented from being blocked and damaged, when the rotating scraping block bumps against the sediment or hard matters which cannot be scraped, the rotating scraping block is overturned through the elasticity of the torsion spring, the hard friction with the filter cloth is prevented from causing the condition of filter cloth damage, the sediment and suspended solids on the filter cloth are reduced, the filter cloth damage is avoided, the service life of the filter cloth is prolonged, and the frequency and cost of replacing the filter cloth are reduced.
4. Through the striking of vibration lug to the filter cloth, shake off the deposit of adhesion on the filter cloth, avoid them to exert an influence to the filter effect of filter cloth, thereby make the filtration efficiency of filter cloth improve, under the striking effect of vibration lug, the deposit on the filter cloth is shaken off, reduced the dirt of long-term accumulation on the filter cloth, the life of extension filter cloth, striking between vibration lug and the filter cloth has certain control mode, the filter cloth has elasticity, and through the sewage resistance in the filter chamber, can make the striking effect of vibration lug become low, avoid causing the destruction to the filter cloth.
5. When the elastic force is released by the vibrating spring, the overturning effect of the overturning plate and the acting force of the torsion spring are adjusted, overturning reset of the overturning plate and the rotating scraping block can be realized, the rotating scraping block can overturn and reset, the attached sediment on the overturning plate can be thrown off, the excessive influence of the sediment of the rotating scraping block on the scraping effect of the filter cloth is avoided, normal operation and filtering efficiency of the filter cloth are ensured, and the displacement sliding plate can adjust the overturning position of the rotating scraping block through the synergistic effect of the wedge-shaped sliding block and the adjusting supporting plate, so that the applicability and flexibility are improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure of an embodiment of the present invention.
Fig. 3 is a schematic structural view of a scraping mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a scraping mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a scraping and reciprocating assembly according to an embodiment of the present invention.
FIG. 6 is a schematic view of a portion of a squeegee assembly according to one embodiment of the invention.
FIG. 7 is a schematic cross-sectional view of a portion of a squeegee assembly according to one embodiment of the invention.
Fig. 8 is a schematic structural view of a supporting vibration member according to an embodiment of the invention.
Fig. 9 is an enlarged partial schematic view at a in fig. 4.
In the figure: 10. a pool mechanism; 20. a tube mechanism; 30. a filter disc mechanism; 40. a driving mechanism; 50. a sewage disposal mechanism; 60. a scraping mechanism; 111. a filter cavity; 11. a filter tank body; 12. a control box body; 13. a water inlet pipe; 14. a driving support plate; 121. a control cavity; 21. a water outlet pipe; 22. a central hollow tube; 23. driving the rotating rod; 221. filtering the water inlet tank; 31. a fan-shaped sheet; 32. a filter cloth; 41. a speed reducing motor; 42. driving the connecting shaft; 43. driving a rotating wheel; 44. driving a transmission belt; 51. a blow-down valve; 52. a sewage drain pipe; 61. scraping the fixed rod; 70. a squeegee assembly; 80. scraping the reciprocating assembly; 90. a doctoring drive assembly; 71. a scraper fixing block; 72. scraping the connecting plate; 73. scraping the sealing plate; 74. rotating the scraping block; 75. the vibration piece is propped against; 76. a displacement slide plate; 721. scraping the groove; 722. a hollow groove; 741. adjusting the overturning plate; 723. a telescopic circular groove; 731. a telescopic square groove; 751. a telescopic square rod; 752. the arc block is propped against; 753. a telescopic round rod; 754. a limit circular ring; 755. a vibration spring; 756. the wedge block is propped against; 757. vibrating the bump; 761. a wedge-shaped slide block; 762. adjusting the supporting plate; 724. a telescopic ring block; 81. a reciprocating support frame; 82. a reciprocating slide rail; 83. a reciprocating screw rod; 84. a reciprocating slide block; 85. a reciprocating connecting block; 86. wedge-shaped shifting blocks; 87. a first pulley; 811. a receiving chamber; 841. a reciprocating chute; 861. stirring the inclined plane; 91. scraping the motor; 92. a second pulley; 93. the belt is scraped off.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention provides a sewage treatment process for high-efficiency denitrification and dephosphorization, which is shown in figures 1 to 9 and comprises the following steps:
Step one: introducing sewage into a grid filtering room through a water inlet pump room, and primarily filtering the sewage;
Step two: buffering the sewage after preliminary filtration by an adjusting buffer tank, and then guiding the sewage into a biochemical tank to carry out biological treatment on the sewage;
Step three: introducing the sewage after biological treatment into a cloth filter, and carrying out further filtration treatment on the sewage through the cloth filter;
step four: introducing the sewage filtered by the cloth filter into a disinfection tank, disinfecting the sewage, and then discharging the sewage;
The filtering cloth filter in the third step comprises a water tank mechanism 10, a pipe body mechanism 20, a plurality of filter disc mechanisms 30, a driving mechanism 40, a pollution discharge mechanism 50 and a plurality of scraping mechanisms 60, wherein a filter cavity 111 is formed in the top of the water tank mechanism 10, the pipe body mechanism 20 is installed in the middle of the water tank mechanism 10, one end of the pipe body mechanism 20 penetrates through the water tank mechanism 10 to extend outwards, the filter disc mechanisms 30 are installed on the outer side wall of the pipe body mechanism 20, the plurality of filter disc mechanisms 30 are arranged at equal intervals along the length direction of the pipe body mechanism 20, the driving mechanism 40 is fixedly installed at the top of one end of the water tank mechanism 10, the driving mechanism 40 is in transmission connection with the pipe body mechanism 20, the pollution discharge mechanism 50 is installed at the bottom of one end, close to the driving mechanism 40, the plurality of scraping mechanisms 60 are all installed at the bottom of the water tank mechanism 10, the plurality of scraping mechanisms 60 are correspondingly arranged with the plurality of filter disc mechanisms 30, the scraping mechanisms 60 are attached to the lower part of one side wall of the corresponding filter disc mechanisms 30, and the scraping mechanisms 60 are used for scraping pollutants on the filter disc mechanisms 30.
The pool mechanism 10 comprises a filter tank body 11, a control tank body 12, a water inlet pipe 13 and a driving support plate 14, wherein the top of the filter tank body 11 is arranged on the filter cavity body 111, the control tank body 12 is fixedly arranged at one end of the filter tank body 11, the control cavity body 121 is arranged on the top of the control tank body 12, the water inlet pipe 13 is fixedly arranged at the top of the filter tank body 11, which is close to one end of the control tank body 12, and the water inlet pipe 13 is communicated with the filter cavity body 111, and the driving support plate 14 is fixedly arranged at the top of the side wall of the control tank body 12, which is far away from the filter tank body 11.
The pipe body mechanism 20 comprises a water outlet pipe 21, a central hollow pipe 22 and a driving rotating rod 23, wherein the water outlet pipe 21 is fixedly arranged at one end of the filter tank 11, which is far away from the control tank 12, one end of the water outlet pipe 21 penetrates through the side wall of the filter tank 11 to extend into the filter cavity 111, the central hollow pipe 22 is rotatably arranged at one end of the water outlet pipe 21, which is positioned in the filter cavity 111, a plurality of filtering water inlet grooves 221 are formed in the outer side wall of the central hollow pipe 22, the filtering water inlet grooves 221 are communicated with the inside of the central hollow pipe 22, the driving rotating rod 23 is fixedly arranged at one end of the central hollow pipe 22, which is far away from the water outlet pipe 21, and one end of the driving rotating rod 23, which is far away from the water outlet pipe 21, penetrates through the side wall of the filter cavity 111 to extend to the side wall of the control tank 121, which is far away from the filter tank 11, and the driving rotating rod 23 is in rotary fit with the side walls of the filter tank 11 and the control tank 12.
The filter disc mechanism 30 comprises a plurality of fan-shaped pieces 31 and a plurality of filter cloth 32, wherein the fan-shaped pieces 31 are arranged on the periphery of the outer side wall of the central hollow tube 22, the filter cloth 32 is arranged on the side walls of the two sides of the corresponding fan-shaped pieces 31, the fan-shaped pieces 31 are correspondingly arranged with the filter water inlet grooves 221, sewage can be filtered through the filter cloth 32 and enter the fan-shaped pieces 31, then enters the central hollow tube 22 from the inside of the fan-shaped pieces 31 through the corresponding filter water inlet grooves 221, and finally flows from the central hollow tube 22 to the water outlet tube 21 to be discharged.
The driving mechanism 40 comprises a gear motor 41, a driving connecting shaft 42, a driving rotating wheel 43 and a driving transmission belt 44, the gear motor 41 is fixedly arranged on the top of the driving supporting plate 14, the driving connecting shaft 42 is fixedly arranged on an output shaft of the gear motor 41, the driving rotating wheel 43 is fixedly arranged at one end of the driving connecting shaft 42 far away from the gear motor 41, the driving transmission belt 44 is sleeved on the outer side wall of the driving rotating wheel 43 and the outer side wall of the driving rotating rod 23, the driving rotating wheel 43 can drive the driving rotating wheel 43 to rotate through the driving transmission belt 44, the sewage draining mechanism 50 comprises two sewage draining valves 51 and a sewage draining pipeline 52, the two sewage draining valves 51 are arranged at the bottom of one end, close to the control box 12, of the filtering tank 11, the sewage pipeline 52 is arranged at one end, far away from the sewage draining valve 51, of the filtering tank 11, and the sewage pipeline 52 is communicated with the filtering cavity 111 through the sewage draining valve 51.
The scraping mechanism 60 comprises a scraping fixing rod 61, a plurality of scraping plate assemblies 70, a scraping reciprocating assembly 80 and a scraping driving assembly 90, wherein the scraping fixing rod 61 is fixedly installed at the bottom of a filter cavity 111, the scraping plate assemblies 70 are fixedly installed on the side wall of the scraping fixing rod 61, the plurality of scraping plate assemblies 70 are arranged at equal intervals along the length direction of the scraping fixing rod 61, the scraping reciprocating assembly 80 is installed on one side wall of the plurality of scraping plate assemblies 70, part of the scraping reciprocating assembly 80 penetrates through the bottom of the filter cavity 111 to extend downwards, the scraping driving assembly 90 is installed at the bottom of the filter tank 11, and the scraping driving assembly 90 is in transmission connection with the scraping reciprocating assembly 80.
Scraper assembly 70 includes scraper fixing piece 71, strike-off connecting plate 72, strike-off closing plate 73, a plurality of rotates and scrapes piece 74, support and hold vibrating piece 75 and displacement slide 76, scraper fixing piece 71 fixed mounting is on the outside lateral wall of strike-off dead lever 61, strike-off connecting plate 72 fixed mounting is used for the one end of scraper fixing piece 71, strike-off connecting plate 72 has seted up on the lateral wall of one side of corresponding filter cloth 32, the empty slot 722 has been seted up to the opposite side lateral wall of strike-off connecting plate 72, strike-off closing plate 73 sealing mounting is on the lateral wall of one side of empty slot 722 that is kept away from strike-off groove 721, a plurality of rotates and scrapes piece 74 and rotates and install on the lateral wall of one side of scraping groove 721 that is close to closing plate 73 through the torsional spring, and rotate and scrape piece 74 and be equipped with the regulation turnover plate 741 inwards protruding to empty slot 722, support and hold vibrating piece 75 and wear to locate the middle part of strike-off closing plate 73, displacement slide 76 slidable mounting is on the lateral wall of scraping closing plate 73 that is close to one side of rotating and scrapes piece 74.
A telescopic circular groove 723 extending to the empty groove 722 is formed on one side wall of the scraping groove 721, a telescopic square groove 731 corresponding to the telescopic circular groove 723 is formed on the side wall of the scraping sealing plate 73 in a penetrating manner, the supporting vibration piece 75 comprises a telescopic square rod 751, two supporting arc blocks 752, a telescopic circular rod 753, a limiting circular ring 754, a vibration spring 755, supporting wedge blocks 756 and vibration convex blocks 757, the telescopic square rod 751 is arranged on the side wall of the telescopic square groove 731 in a sliding manner, the two supporting arc blocks 752 are fixedly arranged on the side walls of the two sides of the telescopic square groove 731 far away from one end of the scraping connecting plate 72, the telescopic circular rod 753 is fixedly arranged on one end of the telescopic square rod 751 located in the empty groove 722, the telescopic circular rod 753 is arranged on the side wall of the telescopic circular groove 723 in a sliding manner, the limiting circular ring 754 is fixedly arranged on the outer side wall of one end of the telescopic square rod 753 close to the telescopic square rod 751, the two ends of the vibrating spring 755 are respectively and fixedly arranged on the side walls of the limit ring 754 and the scraping sealing plate 73, the vibrating spring 755 is positioned on the outer side of the telescopic square bar 751, the supporting wedge block 756 is fixedly arranged on the side wall of the limit ring 754 facing the scraping fixing block 71, a first supporting inclined plane is formed at one end of the supporting wedge block 756 away from the limit ring 754, the distance between the first supporting inclined plane and the telescopic round bar 753 is gradually reduced towards the direction of the scraping sealing plate 73, a wedge-shaped slide block 761 is convexly arranged on the side wall of the displacement slide plate 76 facing away from the scraping sealing plate 73, a second supporting inclined plane corresponding to the first supporting inclined plane is formed on the wedge-shaped slide block 761, the wedge-shaped slide block 761 is mutually supported with the second supporting inclined plane supporting the supporting wedge block 756 through the first supporting inclined plane, a plurality of adjusting supporting plates 762 corresponding to the adjusting overturning plates 741 are convexly arranged on the side wall of the displacement slide plate 76 facing away from the scraping sealing plate 73, the adjusting supporting plate 762 supports on the side wall of the corresponding adjusting turnover plate 741 far away from the scraper fixing block 71, the vibration lug 757 is fixedly arranged at one end of the telescopic round rod 753 far away from the telescopic square rod 751, the side wall of the scraping groove 721 near the scraping sealing plate 73 is convexly provided with a telescopic ring block 724, and the vibration lug 757 is arranged on the inner side wall of the telescopic ring block 724 in a sliding manner.
The scraping reciprocating assembly 80 comprises a reciprocating supporting frame 81, two reciprocating sliding rails 82, a reciprocating screw rod 83, a reciprocating sliding block 84, two reciprocating connecting blocks 85, two wedge-shaped shifting blocks 86 and a first belt pulley 87, wherein the reciprocating supporting frame 81 is fixedly arranged on one side wall of the plurality of scraping sealing plates 73 far away from the filter cloth 32, a containing cavity 811 is formed in the reciprocating supporting frame 81, the two reciprocating sliding rails 82 are fixedly arranged on two opposite side walls of the containing cavity 811, two ends of the reciprocating screw rod 83 are respectively rotatably arranged at the top and the bottom of the containing cavity 811, the bottom of the reciprocating screw rod 83 penetrates through the reciprocating supporting frame 81 and the filter tank body 11 to extend to the outer side of the filter cavity 111, the reciprocating sliding block 84 is in threaded mounting on the reciprocating screw rod 83, the reciprocating sliding block 84 is positioned in the containing cavity 811, the reciprocating sliding blocks 841 are arranged on the side walls of the two opposite sides of the reciprocating sliding block 84 in a sliding manner through the two reciprocating sliding grooves 841, the two reciprocating connecting blocks 85 are fixedly arranged on one side walls of the reciprocating sliding blocks 84 facing the scraping sealing plates 73, the two wedge-shaped shifting blocks 86 are respectively fixedly arranged on one side walls of the two side walls of the reciprocating sliding blocks 752, the two side walls facing each other, the two side walls of the sliding blocks 86 face the side walls of the sliding blocks 86, and the two side walls facing the sliding blocks 86 are arranged towards the opposite sides of the sliding blocks 84, and the opposite sides of the sliding blocks 84 are in a direction of the sliding blocks 84, and the sliding blocks are gradually, and the two side faces of the sliding blocks 84 are arranged towards the opposite to the side of the sliding blocks and move towards the side of the sliding blocks and the side of the sliding blocks 84, and the side of the sliding blocks and the opposite side faces of the side sliding block 84.
The scraping driving assembly 90 comprises a scraping motor 91, a second belt pulley 92 and a scraping driving belt 93, the scraping motor 91 is fixedly arranged at the bottom of the filter tank body 11, the second belt pulley 92 is fixedly arranged on an output shaft of the scraping motor 91, and the scraping driving belt 93 is sleeved on the second belt pulley 92 and the first belt pulley 87.
In an embodiment, in use, sewage enters the filter cavity 111 through the water inlet pipe 13, the sewage can be filtered through the filter disc mechanism 30 and enters the filter disc mechanism 30, the sewage can enter the pipe body mechanism 20 through the filter water inlet groove 221 after being filtered through the filter disc mechanism 30, the filtered sewage entering the pipe body mechanism 20 can be discharged out of the filter cavity 111 and introduced into the disinfection tank for disinfection, the driving mechanism 40 can drive the pipe body mechanism 20 to rotate, the pipe body mechanism 20 can drive the filter disc mechanism 30 to rotate when rotating, the rotation of the filter disc mechanism 30 can enable the sewage to enter the pipe body mechanism 20 through the filter disc mechanism 30 more easily, the suspended matters or sediments in the sewage can be intercepted outside the filter disc mechanism 30 through the filtration of the filter disc mechanism 30, the intercepted suspended matters or sediments can be attached to the outer side of the filter disc mechanism 30, when the attached suspended matters or sediments are more, the filtering effect of the filter disc mechanism 30 is affected, the filtering efficiency of sewage is affected under long-term use, the filtering time is affected, the contact probability of the sewage and the filter disc mechanism 30 can be improved in the process of driving the filter disc mechanism 30 to rotate through the pipe body mechanism 20, the filtering efficiency is improved, the suspended matters or sediments attached to the filter disc mechanism 30 are partially cleaned by the friction force of the rotating centrifugal force and water due to the rotation of the filter disc mechanism 30, the filtering effect of the filter disc mechanism 30 is improved, the scraping mechanism 60 is attached to one side wall of the filter disc mechanism 30, the filter disc mechanism 30 can enable the scraping mechanism 60 to scrape the suspended matters or sediments attached to the filter disc mechanism 30 when rotating, the filtering efficiency of the filter disc mechanism 30 is improved, when the suspended matters or sediments of sewage in the filter cavity 111 are more, when the filtering effect of the filter disc mechanism 30 is reduced and the sewage level in the filter cavity 111 is too high, back flushing is carried out, the water inlet pipe 13 is closed, the sewage in the inner end of the filter cavity 111 is discharged through the sewage discharging mechanism 50, the back flushing is finished after the discharging is finished, the water inlet pipe 13 is opened to introduce the sewage into the filter cavity 111, the sewage is continuously filtered, the contact opportunity of the sewage and the filter disc mechanism 30 can be increased through the rotation of the filter disc mechanism 30 and the pipe body mechanism 20, so that the filtering efficiency is improved, the rotation of the filter disc mechanism 30 can also clean suspended solids or sediments which are partially adhered to the filter disc mechanism 30 through the centrifugal force and the friction force of the water, the filtering effect is further improved, the scraping mechanism 60 can scrape the suspended solids or sediments adhered to the filter disc mechanism 30, the blockage of the filter disc mechanism 30 is reduced, the service life of the filter disc mechanism 30 is prolonged, the suspended solids or sediments in the sewage can be blocked through the filtering and cleaning effect, and the sewage treatment effect is improved.
In an embodiment, sewage enters the filter cavity 111 through the water inlet pipe 13, the sewage in the filter cavity 111 can be filtered through the filter cloth 32, the sewage filtered through the filter cloth 32 can enter the inside of the fan-shaped piece 31, then the filtered sewage enters the inside of the hollow central pipe 22 through the filtering water inlet groove 221 in the fan-shaped piece 31, then the filtered sewage is discharged through the water outlet pipe 21, when the filter cloth 32 filters the sewage, sediment and suspended matters generated by the sewage can be intercepted to the outer side of the filter cloth 32, the sediment and suspended matters can be attached to the side wall of the filter cloth 32, when the sediment and suspended matters attached to the filter cloth 32 are more and more, the filtering effect of the filter cloth 32 is worse, the filtering effect of the filter cloth 32 is weakened, the sewage treatment effect of the filter cloth filter is weakened, starting the gear motor 41 can drive the connecting shaft 42 to rotate, the driving connecting shaft 42 can drive the driving rotating wheel 43 to rotate, the driving rotating wheel 43 can drive the driving rotating rod 23 to rotate through the driving transmission belt 44, the driving rotating rod 23 can drive the central hollow tube 22 to rotate, the central hollow tube 22 can drive the fan-shaped sheet 31 to rotate with the filter cloth 32, the fan-shaped sheet 31 can rotate to contact more sewage, thereby improving the efficiency of the sewage entering the fan-shaped sheet 31, the filter cloth 32 can rub the sewage in the filter cavity 111 when rotating, although the rotating speed of the central hollow tube 22 is not too fast, part of sediment and suspended matters on the filter cloth 32 can be thrown out through centrifugal force, thereby reducing the sediment and suspended matters attached on the filter cloth 32, improving the filtering effect of the filter cloth 32, increasing the surface area contacted with the sewage through the rotation of the filter cloth 32, make more sewage filter through filter cloth 32, improve filterable efficiency, reduce impurity content in the sewage, precipitate and suspended solid can adhere to on the lateral wall of filter cloth 32, can reduce the filter effect of filter cloth 32 along with the lapse of time, the rotatory partial precipitate that drives of filter cloth 32 leaves filter cloth 32, reduce precipitate and suspended solid that adheres to on filter cloth 32, the life of extension filter cloth 32, through reducing the deposit and the accumulation of suspended solid on the filter cloth 32, maintenance and clear frequency have been reduced, stability and economic nature have been improved.
The scraping component 60 is propped against the filter cloth 32, the rotating scraping block 74 on the scraping component 60 is propped against the side wall of the filter cloth 32, the rotating scraping block 74 can scrape off sediment and suspended matters on the filter cloth 32, so that the sediment and suspended matters attached to the filter cloth 32 are reduced, the filtering effect of the filter cloth 32 on sewage is improved, the rotating scraping block 74 is rotationally arranged on the scraping connecting plate 72 through the torsion spring, when the rotating scraping block 74 bumps against sediment or hard matters which cannot be scraped in the rotating process of the fan-shaped piece 31 and the filter cloth 32, the rotating scraping block 74 can overturn against the elasticity of the torsion spring, the situation that the filter cloth 32 is damaged due to the friction of the rotating scraping block 74 with the scraping filter cloth 32 under a larger force is avoided, and when the rotating scraping block 74 passes over the hard matters, the rotating scraping block 74 can instantly recover through the acting force of the torsion spring, so as to scrape more stubborn sediment on the filter cloth 32, if the rotary scraping block 74 can still turn over under the condition that the rotary scraping block 74 cannot be scraped, the burden of the rigidity of the rotary scraping block 74 on the filter cloth 32 is reduced, the service life of the filter cloth 32 is prolonged, the condition that the filter effect of the filter cloth 32 is poor due to the damage of the filter cloth 32 is avoided, the precipitates and suspended matters on the filter cloth 32 are scraped off by the rotary scraping block 74, the quantity of the precipitates attached to the filter cloth 32 is reduced, the filter effect of the filter cloth 32 on the sewage is improved, the scraping effect of the rotary scraping block 74 can effectively remove the precipitates and suspended matters on the filter cloth 32, the precipitates and the suspended matters on the filter cloth 32 are reduced, the filter cloth 32 is prevented from being blocked and damaged, when the rotary scraping block 74 encounters the precipitates or the hard matters which cannot be scraped off, the filter cloth 32 is overturned through the elasticity of the torsion spring, the condition that the filter cloth 32 is damaged due to the hard friction with the filter cloth 32 is avoided, the precipitates and the suspended matters on the filter cloth 32 are reduced, and the filter cloth 32 is prevented from being damaged, the service life of the filter cloth 32 is prolonged, and the frequency and cost for replacing the filter cloth 32 are reduced.
In another embodiment, the scraping motor 91 is started, the scraping motor 91 can drive the second belt pulley 92 to rotate, the second belt pulley 92 can drive the first belt pulley 87 to rotate through the scraping driving belt 93, the first belt pulley 87 can drive the reciprocating screw rod 83 to rotate, the reciprocating screw rod 83 rotates to enable the reciprocating sliding block 84 to reciprocate on the reciprocating sliding rail 82 through the reciprocating sliding groove 841, the reciprocating sliding block 84 can drive the reciprocating connecting block 85 to reciprocate, the reciprocating connecting block 85 can drive the wedge-shaped shifting block 86 to reciprocate, the wedge-shaped shifting block 86 can drive the abutting arc block 752 to move away from the telescopic ring block 724 through the stirring inclined surface 861 when moving, the abutting arc block 752 can drive the telescopic square rod 751 to move away from the telescopic ring block 724, the telescopic square rod 751 can drive the telescopic round rod 753 to move towards the reciprocating supporting frame 81, the telescopic round rod 753 can drive the vibration lug 757 to move towards the reciprocating support frame 81, the telescopic round rod 753 can also drive the limit round ring 754 to move towards the reciprocating support frame 81 when moving, the limit round ring 754 can compress the vibration spring 755, the vibration spring 755 is elastic, after the wedge-shaped shifting block 86 passes the abutting arc block 752, the compressed vibration spring 755 can release elastic force, the limit round ring 754 moves towards the direction away from the reciprocating support frame 81 instantly, the limit round ring 754 can drive the telescopic round rod 753 to move towards the direction away from the reciprocating support frame 81, the telescopic round rod 753 can drive the vibration lug 757 to move towards the direction away from the reciprocating support frame 81, the vibration lug 757 impacts the filter cloth 32, the filter cloth 32 vibrates, and sediments attached on the filter cloth 32 are shaken off, avoid adhering to the precipitate and lead to the fact the influence to the filter effect of filter cloth 32 to make the filter effect of filter cloth 32 improve, filter cloth 32 has elasticity, and the sewage in the filter chamber 111 can make the striking effect of vibration lug 757 become low, let the striking of vibration lug 757 can not lead to the fact the condition of destruction to filter cloth 32 to take place, this case shakes down the precipitate that adheres to filter cloth 32 through the striking of vibration lug 757 to filter cloth 32, avoid them to exert an influence to the filter effect of filter cloth 32, thereby the filter efficiency of filter cloth 32 improves, the effect of striking of vibration lug 757 is down by shaking, the long-term dirt of accumulating on filter cloth 32 has been reduced, the life of extension filter cloth 32, the striking between vibration lug 757 and the filter cloth 32 has certain control mode, filter cloth 32 has elasticity, and through the sewage resistance in the filter chamber 111, can make the striking effect of vibration lug 757 become low, avoid causing the destruction to filter cloth 32.
When the limit ring 754 moves towards the reciprocating support frame 81, the limit ring 754 can drive the supporting wedge 756 to move towards the reciprocating support frame 81, the supporting wedge 756 can move and drive the wedge 761 to move towards the scraper fixing block 71 through the supporting action of the first supporting inclined plane and the second supporting inclined plane, the wedge 761 can drive the displacement slide 76 to move towards the scraper fixing block 71, the displacement slide 76 can drive the plurality of adjusting supporting plates 762 to move towards the scraper fixing block 71, the adjusting supporting plates 762 can adjust the overturning plates 741 to overturn when the adjusting supporting plates 762 move, the adjusting overturning plates 741 can drive the rotating scraper 74 to overturn against the elasticity of the torsion spring, when the vibrating spring 755 releases the elasticity to enable the limit ring 754 and the supporting wedge 756 to move towards the direction far away from the reciprocating support frame 81, when the elastic force of the vibrating spring 755 is released, the overturning reset of the overturning plate 741 and the rotating scraping block 74 can be realized through the overturning action of the overturning plate 741 and the acting force of the torsion spring, the overturning reset of the rotating scraping block 74 can throw off the sediment attached to the rotating scraping block 74, the excessive influence on the scraping effect of the rotating scraping block 74 on the filter cloth 32 is avoided, the normal operation and the filtering efficiency of the filter cloth 32 are ensured, the displacement scraping plate 76 is realized through the synergistic action of the wedge-shaped sliding block 761 and the adjusting supporting plate 762, the turning position of the rotary scraper 74 can be adjusted to improve applicability and flexibility.
During installation, the control box body 12 is fixedly installed at one end of the filter box body 11, the water inlet pipe 13 is fixedly installed at the top of one end of the filter box body 11, which is close to the control box body 12, the driving support plate 14 is fixedly installed at the top of one side wall of the control box body 12, which is far away from the filter box body 11, the water outlet pipe 21 is fixedly installed at one end of the filter box body 11, which is far away from the control box body 12, the central hollow pipe 22 is rotatably installed at one end of the water outlet pipe 21, the driving rotary rod 23 is fixedly installed at one end of the central hollow pipe 22, which is far away from the water outlet pipe 21, the plurality of fan-shaped sheets 31 are installed at the periphery of the outer side wall of the central hollow pipe 22, the filter cloth 32 is installed on two side walls corresponding to the fan-shaped sheets 31, the gear motor 41 is fixedly installed at the top of the driving support plate 14, the driving connecting shaft 42 is fixedly installed on the output shaft of the gear motor 41, the driving rotary wheel 43 is fixedly installed at one end of the driving connecting shaft 42, which is far away from the gear motor 41, and the driving transmission belt 44 is sleeved on the outer side wall of the driving rotary wheel 43 and the driving rotary rod 23.
Scraper fixing block 71 is fixedly mounted on the outer side wall of scraper fixing rod 61, scraper connecting plate 72 is fixedly mounted at one end of scraper fixing block 71, scraper sealing plate 73 is mounted on one side wall of hollow groove 722 far away from scraper groove 721 in a sealing manner, a plurality of rotary scraper blocks 74 are rotatably mounted on one side wall of scraper groove 721 near scraper sealing plate 73 through torsion springs, supporting vibrating piece 75 is arranged in the middle of scraper connecting plate 72 and scraper sealing plate 73 in a penetrating manner, displacement sliding plate 76 is slidably mounted on one side wall of scraper sealing plate 73 near rotary scraper blocks 74, telescopic square rod 751 is slidably arranged on the side wall of telescopic square groove 731, two supporting arc blocks 752 are fixedly mounted on two side walls of telescopic square groove 731 far away from one end of scraper connecting plate 72, telescopic round rod 753 is fixedly mounted at one end of telescopic square rod 751 in hollow groove 722, the limiting ring 754 is fixedly arranged on the outer side wall of the telescopic round rod 753, which is close to one end of the telescopic square rod 751, two ends of the vibrating spring 755 are respectively and fixedly arranged on the limiting ring 754 and the side wall of the scraping sealing plate 73, the supporting wedge-shaped block 756 is fixedly arranged on the side wall of the limiting ring 754, which faces the scraping fixing block 71, the vibrating lug 757 is fixedly arranged on the end of the telescopic round rod 753, which is far away from the telescopic square rod 751, the reciprocating supporting frame 81 is fixedly arranged on the side wall of the plurality of scraping sealing plates 73, which is far away from the filter cloth 32, the two reciprocating sliding rails 82 are fixedly arranged on the opposite side walls of the accommodating cavity 811, two ends of the reciprocating screw 83 are respectively and rotatably arranged at the top and the bottom of the accommodating cavity 811, the reciprocating sliding block 84 is in threaded arrangement on the reciprocating screw 83, the two reciprocating connecting blocks 85 are fixedly arranged on the side wall of the reciprocating sliding block 84, which faces the scraping sealing plate 73, the two wedge-shaped shifting blocks 86 are respectively and fixedly arranged on the side walls of one side, facing each other, of the two reciprocating connecting blocks 85, the scraping motor 91 is fixedly arranged at the bottom of the filter tank 11, the second belt pulley 92 is fixedly arranged on the output shaft of the scraping motor 91, and the scraping transmission belt 93 is sleeved on the second belt pulley 92 and the first belt pulley 87.
The scheme can be realized: 1. through the rotation of filter disc mechanism 30 and body mechanism 20, can increase the contact chance of sewage and filter disc mechanism 30 to improve filtration efficiency, the rotation of filter disc mechanism 30 can also clear away the suspended solid or the precipitate of part adhesion on filter disc mechanism 30 through centrifugal force and the frictional force of water, further improves the filter effect, and scraping mechanism 60 can strike off the suspended solid or the precipitate of adhesion on filter disc mechanism 30, thereby reduces the jam to filter disc mechanism 30, prolongs the life of filter disc mechanism 30, through filtering and clearance effect, can block suspended solid or the precipitate in the sewage, improves the treatment effect of sewage.
2. Can increase the surface area with sewage contact through the rotation of filter cloth 32, make more sewage filter through filter cloth 32, improve filterable efficiency, reduce impurity content in the sewage, deposit and suspended solid can adhere to on the lateral wall of filter cloth 32, along with the lapse of time, can reduce the filter effect of filter cloth 32, the rotation of filter cloth 32 drives partial deposit and leaves filter cloth 32, reduce deposit and the suspended solid attached to filter cloth 32, the life of extension filter cloth 32, deposit and the suspended solid pile up on through reducing filter cloth 32, maintenance and clean frequency have been reduced, stability and economic nature have been improved.
3. The sediment and suspended matters on the filter cloth 32 are scraped through the rotating scraping block 74, the quantity of the sediment attached to the filter cloth 32 is reduced, so that the filtering effect of the filter cloth 32 on sewage is improved, the scraping effect of the rotating scraping block 74 can effectively remove the sediment and suspended matters on the filter cloth 32, the sediment and suspended matters are reduced, the filter cloth 32 is prevented from being blocked and damaged, when the rotating scraping block 74 bumps against the sediment or hard matters which cannot be scraped, the rotating scraping block 74 is turned over through the elasticity of the torsion spring, the situation that the filter cloth 32 is damaged due to hard friction with the filter cloth 32 is avoided, the sediment and suspended matters on the filter cloth 32 are reduced, the service life of the filter cloth 32 is prolonged, and the frequency and cost for replacing the filter cloth 32 are reduced.
4. Through the striking of vibration lug 757 to filter cloth 32, shake off the deposit of adhesion on filter cloth 32, avoid them to produce the influence to filter effect of filter cloth 32, thereby make filter cloth 32 filtration efficiency improve, under the striking effect of vibration lug 757, the deposit on the filter cloth 32 is shaken off, the dirt of long-term accumulation on filter cloth 32 has been reduced, the life of extension filter cloth 32, striking between vibration lug 757 and the filter cloth 32 has certain control mode, filter cloth 32 has elasticity, and through the sewage resistance in the filter cavity 111, can make the striking effect of vibration lug 757 become low, avoid causing the destruction to filter cloth 32.
5. When the elastic force is released by the vibrating spring 755, the overturning action of the overturning plate 741 and the acting force of the torsion spring can be adjusted, overturning reset of the overturning plate 741 and the rotating scraping block 74 can be realized, the rotating scraping block 74 can overturn and reset, the attached sediment can be thrown off, excessive influence of the sediment of the rotating scraping block 74 on the scraping effect of the filter cloth 32 is avoided, normal operation and filtering efficiency of the filter cloth 32 are ensured, the displacement sliding plate 76 can adjust the overturning position of the rotating scraping block 74 through the synergistic action of the wedge-shaped sliding block 761 and the adjusting supporting plate 762, and applicability and flexibility are improved.
All possible combinations of the technical features in the above embodiments are described, but should be considered as the scope of the description provided that there is no contradiction between the combinations of the technical features.
The above embodiments represent only a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that numerous variations and modifications could be made to the person skilled in the art without departing from the spirit of the invention, which would fall within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. A sewage treatment process for high-efficiency denitrification and dephosphorization is characterized by comprising the following steps:
Step one: introducing sewage into a grid filtering room through a water inlet pump room, and primarily filtering the sewage;
Step two: buffering the sewage after preliminary filtration by an adjusting buffer tank, and then guiding the sewage into a biochemical tank to carry out biological treatment on the sewage;
Step three: introducing the sewage after biological treatment into a cloth filter, and carrying out further filtration treatment on the sewage through the cloth filter;
step four: introducing the sewage filtered by the cloth filter into a disinfection tank, disinfecting the sewage, and then discharging the sewage; the filtering cloth filter tank in the third step comprises a water tank mechanism (10), a pipe body mechanism (20), a plurality of filter disc mechanisms (30), a driving mechanism (40), a pollution discharge mechanism (50) and a plurality of scraping mechanisms (60), wherein a filtering cavity (111) is formed in the top of the water tank mechanism (10), the pipe body mechanism (20) is installed in the middle of the water tank mechanism (10), one end of the pipe body mechanism (20) penetrates through the water tank mechanism (10) to extend outwards, the filter disc mechanisms (30) are installed on the outer side wall of the pipe body mechanism (20), the filter disc mechanisms (30) are arranged at equal intervals along the length direction of the pipe body mechanism (20), the driving mechanism (40) is fixedly arranged at the top of one end of the water tank mechanism (10), the driving mechanism (40) is in transmission connection with the pipe body mechanism (20), the pollution discharge mechanism (50) is installed at the bottom of one end of the water tank mechanism (10), the plurality of scraping mechanisms (60) are installed at the bottom of the water tank mechanism (10), the plurality of scraping mechanisms (60) are correspondingly arranged on the side wall of the filter disc mechanisms (30), and the filter disc mechanisms (30) are correspondingly arranged on one side wall of the filter disc mechanisms (30) which are correspondingly attached to each other.
2. The efficient nitrogen and phosphorus removal sewage treatment process according to claim 1, wherein the water tank mechanism (10) comprises a filter tank body (11), a control tank body (12), a water inlet pipe (13) and a driving support plate (14), the filter tank body (111) is arranged at the top of the filter tank body (11), the control tank body (12) is fixedly arranged at one end of the filter tank body (11), the control tank body (121) is arranged at the top of the control tank body (12), the water inlet pipe (13) is fixedly arranged at the top of the filter tank body (11) close to one end of the control tank body (12), the water inlet pipe (13) is communicated with the filter tank body (111), and the driving support plate (14) is fixedly arranged at the top of the side wall of the control tank body (12) far away from the filter tank body (11).
3. The efficient nitrogen and phosphorus removal sewage treatment process according to claim 2, wherein the pipe body mechanism (20) comprises a water outlet pipe (21), a central hollow pipe (22) and a driving rotary rod (23), the water outlet pipe (21) is fixedly installed at one end of the filter tank body (11) far away from the control tank body (12), one end of the water outlet pipe (21) penetrates through the side wall of the filter tank body (11) to extend into the filter cavity body (111), the central hollow pipe (22) is rotatably installed at one end of the water outlet pipe (21) located in the filter cavity body (111), a plurality of filtering water inlet grooves (221) are formed in the outer side wall of the central hollow pipe (22), the filtering water inlet grooves (221) are communicated with the interior of the central hollow pipe (22), the driving rotary rod (23) is fixedly installed at one end of the central hollow pipe (22) far away from the water outlet pipe (21), one end of the driving rotary rod (23) penetrates through the side wall of the filter cavity body (111) to the side wall of the control tank body (121) far away from the filter tank body (11), and the driving rotary rod (23) is matched with the side wall of the filter tank body (11) and the control tank body (12) in a rotating mode.
4. A sewage treatment process for efficient denitrification and dephosphorization according to claim 3, wherein the filter disc mechanism (30) comprises a plurality of fan-shaped sheets (31) and a plurality of filter cloths (32), the fan-shaped sheets (31) are arranged on the periphery of the outer side wall of the central hollow pipe (22), the filter cloths (32) are arranged on the side walls of the corresponding fan-shaped sheets (31), the fan-shaped sheets (31) are arranged corresponding to the filter inlet grooves (221), sewage can be filtered through the filter cloths (32) and enter the fan-shaped sheets (31), then enters the central hollow pipe (22) from the inside of the fan-shaped sheets (31) through the corresponding filter inlet grooves (221), and finally flows from the central hollow pipe (22) to the water outlet pipe (21) to be discharged.
5. The efficient nitrogen and phosphorus removal sewage treatment process according to claim 4, wherein the driving mechanism (40) comprises a gear motor (41), a driving connecting shaft (42), a driving rotating wheel (43) and a driving transmission belt (44), the gear motor (41) is fixedly installed at the top of the driving supporting plate (14), the driving connecting shaft (42) is fixedly installed on an output shaft of the gear motor (41), the driving rotating wheel (43) is fixedly installed at one end, far away from the gear motor (41), of the driving connecting shaft (42), the driving transmission belt (44) is sleeved on the outer side wall of the driving rotating wheel (43) and the driving rotating rod (23), the driving rotating wheel (43) can drive the driving rotating wheel (43) to rotate through the driving transmission belt (44), the sewage draining mechanism (50) comprises two sewage draining valves (51) and a sewage draining pipeline (52), the two sewage draining valves (51) are installed at the bottom of one end, close to the control box (12), of the sewage draining pipeline (52) is installed at one end, far away from the box (11), of the sewage draining pipeline (52) is communicated with the filtering cavity (111) through the sewage draining valves (51).
6. The efficient nitrogen and phosphorus removal sewage treatment process according to claim 5, wherein the scraping mechanism (60) comprises a scraping fixing rod (61), a plurality of scraping plate assemblies (70), a scraping reciprocating assembly (80) and a scraping driving assembly (90), the scraping fixing rod (61) is fixedly installed at the bottom of the filter cavity (111), the scraping plate assemblies (70) are fixedly installed on the side wall of the scraping fixing rod (61), the scraping plate assemblies (70) are equidistantly arranged at intervals along the length direction of the scraping fixing rod (61), the scraping reciprocating assembly (80) is installed on one side wall of the scraping plate assemblies (70), part of the scraping reciprocating assembly (80) extends downwards through the bottom of the filter cavity (111), the scraping driving assembly (90) is installed at the bottom of the filter tank (11), and the scraping driving assembly (90) is in transmission connection with the scraping reciprocating assembly (80).
7. The efficient nitrogen and phosphorus removal sewage treatment process according to claim 6, wherein the scraper assembly (70) comprises a scraper fixing block (71), a scraping connecting plate (72), a scraping sealing plate (73), a plurality of rotating scraping blocks (74), supporting vibration pieces (75) and a displacement sliding plate (76), the scraper fixing block (71) is fixedly installed on the outer side wall of the scraping fixing rod (61), one end of the scraper fixing block (71) is fixedly installed on the scraping connecting plate (72), a scraping groove (721) is formed in one side wall of the scraping connecting plate (72) facing to the corresponding filter cloth (32), a hollow groove (722) is formed in the other side wall of the scraping connecting plate (72), the scraping sealing plate (73) is installed on one side wall, far away from the scraping groove (721), of the hollow groove (722), the plurality of rotating scraping blocks (74) are installed on one side wall, close to the scraping sealing plate (73), of the scraping sealing plate (721) through torsion springs, and adjusting turnover plates (741) are arranged in a protruding mode in the hollow groove (722), the supporting vibration pieces (75) penetrate through the scraping connecting plate (72) and the side wall, on one side wall, close to the sliding plate (73), of the scraping sealing plate (73).
8. The process for efficient denitrification and dephosphorization sewage treatment according to claim 7, wherein a telescopic circular groove (723) extending to the empty groove (722) is formed on one side wall of the scraping groove (721), a telescopic square groove (731) corresponding to the telescopic circular groove (723) is formed on the side wall of the scraping sealing plate (73) in a penetrating manner, the supporting vibration piece (75) comprises a telescopic square rod (751), two supporting arc blocks (752), a telescopic circular rod (753), a limiting circular ring (754), a vibration spring (755), supporting wedge blocks (756) and vibration protruding blocks (757), the telescopic square rod (751) is arranged on the side wall of the telescopic square groove (731) in a sliding manner, the two supporting arc blocks (752) are fixedly arranged on the side wall of the telescopic square groove (731) away from one end of the scraping connecting plate (72), the telescopic circular rod (753) is fixedly arranged on one end of the telescopic square rod (751) located in the empty groove (722), the limiting circular rod (753) is arranged on the side wall of the telescopic square groove (723) in a sliding manner, the limiting circular rod (754) is fixedly arranged on the side wall of the telescopic square groove (751), the limiting circular rod (751) is fixedly arranged on the side wall of the telescopic square rod (751) close to one end of the telescopic square spring (755) respectively, the two ends of the vibrating circular rod (751) are fixedly arranged on the side walls of the sealing plate (751) respectively, the supporting wedge block (756) is fixedly arranged on one side wall of the limiting circular ring (754) facing the scraper fixing block (71), a first supporting inclined plane is formed at one end of the supporting wedge block (756) away from the limiting circular ring (754), the distance between the first supporting inclined plane and the telescopic circular rod (753) is gradually reduced towards the direction of the scraping sealing plate (73), a wedge-shaped sliding block (761) is convexly arranged on one side wall of the displacement sliding plate (76) away from the scraping sealing plate (73), a second supporting inclined plane corresponding to the first supporting inclined plane is formed on the wedge-shaped sliding block (761), the wedge-shaped sliding block (761) supports against each other through the first supporting inclined plane and the second supporting inclined plane supporting the wedge-shaped sliding block (756), a plurality of adjusting supporting plates (762) corresponding to the adjusting overturning plates (741) are convexly arranged on one side wall of the displacement sliding plate (76) away from the scraping sealing plate (73), a vibrating lug (757) is fixedly arranged on one side wall of the corresponding to the adjusting overturning plates (741) away from the scraper fixing block (73), and the vibrating lug (757) is fixedly arranged on one side wall of the sliding block (724) away from the telescopic circular rod (724).
9. The process for efficient denitrification and dephosphorization sewage treatment according to claim 8, wherein the scraping reciprocation assembly (80) comprises a reciprocation support frame (81), two reciprocation slide rails (82), a reciprocation screw rod (83), a reciprocation slide block (84), two reciprocation connection blocks (85), two wedge-shaped shifting blocks (86) and a first belt wheel (87), wherein the reciprocation support frame (81) is fixedly arranged on one side wall of a plurality of scraping sealing plates (73) far away from the filter cloth (32), a containing cavity (811) is formed in the reciprocation support frame (81), two reciprocation slide rails (82) are fixedly arranged on two opposite side walls of the containing cavity (811), two ends of the reciprocation screw rod (83) are respectively rotatably arranged at the top and the bottom of the containing cavity (811), the bottom of the reciprocation screw rod (83) penetrates through the reciprocation support frame (81) and the filter tank body (11) to extend to the outer side of the filter cavity (111), the reciprocation slide block (84) is threadedly arranged on the reciprocation screw rod (83), the reciprocation slide block (84) is arranged in the containing cavity (811), two opposite side walls of the reciprocation slide block (84) are formed on the opposite side walls of the reciprocation slide block (841) and are arranged on the reciprocation slide rails (841), two reciprocating connecting blocks (85) fixed mounting are on the side wall of one side of reciprocating sliding block (84) towards scraping sealing plate (73), two wedge-shaped shifting blocks (86) are respectively fixed mounting on the side wall of two reciprocating connecting blocks (85) towards each other, and wedge-shaped shifting blocks (86) set up in reciprocating connecting block (85) keep away from reciprocating sliding block (84) one end, wedge-shaped shifting blocks (86) are formed with symmetrical stirring inclined planes (861) towards one side wall top and the bottom of reciprocating connecting block (85), distance between two stirring inclined planes (861) gradually decreases towards the direction of reciprocating sliding block (84), can drive wedge-shaped shifting blocks (86) to stir through stirring inclined planes (861) and support arc piece (752) for support arc piece (752) to move towards the direction of keeping away from scraping sealing plate (73), first belt wheel (87) fixed mounting is in the bottom of reciprocating screw rod (83).
10. The efficient nitrogen and phosphorus removal sewage treatment process according to claim 9, wherein the scraping driving assembly (90) comprises a scraping motor (91), a second belt wheel (92) and a scraping driving belt (93), the scraping motor (91) is fixedly arranged at the bottom of the filter tank body (11), the second belt wheel (92) is fixedly arranged on an output shaft of the scraping motor (91), and the scraping driving belt (93) is sleeved on the second belt wheel (92) and the first belt wheel (87).
CN202410336088.8A 2024-03-22 2024-03-22 Sewage treatment process for high-efficiency denitrification and dephosphorization Withdrawn CN118026463A (en)

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CN202410336088.8A CN118026463A (en) 2024-03-22 2024-03-22 Sewage treatment process for high-efficiency denitrification and dephosphorization

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CN202410336088.8A CN118026463A (en) 2024-03-22 2024-03-22 Sewage treatment process for high-efficiency denitrification and dephosphorization

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118594093A (en) * 2024-08-08 2024-09-06 连云港博云机械有限公司 Disc filter with efficient filter disc structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118594093A (en) * 2024-08-08 2024-09-06 连云港博云机械有限公司 Disc filter with efficient filter disc structure
CN118594093B (en) * 2024-08-08 2024-11-08 连云港博云机械有限公司 Disc filter with efficient filter disc structure

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Application publication date: 20240514