CN105800900B - The efficient depth minus quantizing method of sewage sludge - Google Patents
The efficient depth minus quantizing method of sewage sludge Download PDFInfo
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- CN105800900B CN105800900B CN201610161223.5A CN201610161223A CN105800900B CN 105800900 B CN105800900 B CN 105800900B CN 201610161223 A CN201610161223 A CN 201610161223A CN 105800900 B CN105800900 B CN 105800900B
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- dehydration
- cylinder
- support plate
- soon
- dewatering
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of efficient depth minus quantizing method of sewage sludge, and based on minimizing processing unit, the minimizing processing unit includes at least one dehydration module, and the dehydration module includes two-way cylinder（1）With two symmetrically arranged dewatering units（2）, each dewatering unit（2）Include dehydration cylinder（2.1）, support plate（2.2）And stripper plate（2.3）, the support plate（2.2）Positioned at dehydration cylinder（2.1）Outside, the stripper plate（2.3）Positioned at dehydration cylinder（2.1）Inner side, in the dehydration cylinder（2.1）It is equipped with feed inlet（2.4）；The two-way cylinder（1）Equipped with two piston rods（1.1）, two piston rods（1.1）Respectively with two dewatering units（2）Stripper plate connection.Charging dehydration and press dewatering are carried out at the same time by the present invention, are improved work efficiency, meanwhile, when press dewatering, is also cleverly dehydrated using the pressure of charging, improves power using effect.
Description
Technical field
The present invention relates to sewage sludge process field, specifically a kind of efficient depth minus quantification treatment side of sewage sludge
Method.
Background technology
Sludge is the product after sewage disposal, and a large amount of sludge produced after current sewage disposal need further processing, and
Dehydration is the important step of Treatment of Sludge, the purpose is to which most of moisture in sludge is removed, is enriched with solids level, significantly subtracts
Few sludge volume improves sludge calorific value and saves the energy to save the cost of Treatment of Sludge, minimizing for sludge and follow-up
Disposal is of great significance.Mechanical dehydration is dewatering type most effective, that energy consumption is minimum, currently employed conditioning and mechanical means pair
Sludge carries out deep dehydration can make moisture content reach 80%-60% under normal circumstances.
Mechanical dehydration mode and equipment mainly have belt type filter dehydration, centrifugal dehydration, plate compression dehydration three major types.For
For municipal sludge, the filter cake moisture content after band filter, folded spiral shell dewaterer, centrifuge dewatering is about in 75%-80%, diaphragm plate
The moisture percentage in sewage sludge of frame filter press dehydration is generally 60% or so.
Superelevation compression elasticity squeezer is a kind of pressure bigger, more efficient filtering equipment and solid-liquid separating equipment, entirely
Process is broadly divided into the charging -- Four processes such as elasticity squeezing -- connecing liquid -- discharging.The equipment pressure is directly from hydraulic cylinder
Pressure, for directly squeezing, it is 1.0 ~ 1.5h that squeeze pressure, which can reach the 5-7 MPa single batch work periods, and work efficiency is membrane
3-4 times of filter press, dehydrated sludge moisture content can reach 50% or so.But there are energy consumption is big, equipment cost is high, squeezing bullet
The problems such as spring needs to be replaced frequently.
It can be seen from the above, the diaphragm plate frame filter press of moisture percentage in sewage sludge near less than 60% and superelevation compression elasticity can be squeezed
Machine, its workflow are all chargings in first cavity, are then squeezed again, and charging and squeezing successively carry out, and pulling plate
When need monolithic or in batches pulling plate, cause the work period long, work efficiency is not high, so that diaphragm plate frame squeezer one
When work period needs 2-3 small.In addition, moisture content after sludge dewatering usually rule of thumb determines, one is extremely difficult to
The moisture content of accurate moisture content and target, predictability is poor, and follow-up use to sludge brings certain influence, difficult
To realize inexpensive, efficient sludge reduction processing.
The content of the invention
In view of this, the present invention is directed to big, of high cost, efficiency the is low technical problem of above-mentioned energy consumption existing in the prior art,
Provide that a kind of energy consumption is small, efficient, and the efficient depth minus quantizing method of sewage sludge that cost is low, and can be accurately by dirt
Mud is handled to target moisture content.
The technical solution of the present invention is to provide a kind of efficient depth minus quantification treatment side of the sewage sludge of following steps
Method, based on minimizing processing unit, the minimizing processing unit includes at least one dehydration module, the dehydration module
Including two-way cylinder and two symmetrically arranged dewatering units, each dewatering unit includes dehydration cylinder, support plate
And stripper plate, the support plate is positioned at the outside of dehydration cylinder, and the stripper plate is positioned at the inner side of dehydration cylinder, described
Dehydration cylinder is equipped with feed inlet；The two-way cylinder is equipped with two piston rods, described two piston rods respectively with two
The stripper plate connection of dewatering unit；
In two symmetrically arranged dewatering units, one of sewage sludge charging dehydration, another dewatering unit is then
Extrusion dehydration, the dewatering unit for feeding dehydration exerts a force two-way cylinder by its stripper plate, and promotes the dehydration list of extrusion dehydration
The stripper plate of member；In above process, two-way cylinder is passed through or releases hydraulic oil then according to force direction toward corresponding oil pocket.
Using above structure, compared with prior art, the present invention haing the following advantages：It is single by two symmetrical dehydrations
The quantity of the dehydration module of member composition, to set, and is increased and decreased, often by the size of required sewage sludge treating capacity according to actual conditions
Two dewatering units in a dehydration module are arranged symmetrically in the both sides of two-way cylinder, respectively with two piston rods of two-way cylinder
Connection, two-way cylinder can provide dewatering unit the pressure of 5-7MPa, put on stripper plate, by stripper plate into dehydration tube
The sewage sludge of body is extruded, to realize the depth minimizing of dehydration and sludge；Two dewatering units, one charging, another
Then stop charging, when feed dehydration under feed pressure effect when one of dewatering unit is fed, the dewatering unit
Feed pressure acted on also by two-way cylinder equipressure power on another dewatering unit, to another stopped charging dehydration
Unit carries out press dewatering, i.e., two dewatering units is carried out with charging dehydration and press dewatering respectively in the same time, solved
The problem of current sewage-treatment plant charging dehydration and press dewatering are divided into two stages progress, improve work efficiency, meanwhile,
Also cleverly it is dehydrated during press dewatering using the pressure of charging, improves power using effect, reduce product energy consumption.
As an improvement, the dewatering unit further includes moisture on-line detector, moisture on-line detector installation
In on the stripper plate of dewatering unit or support plate.The moisture content of sludge is surveyed in real time using sludge water content on-line detector
Amount, can grasp the moisture content of sludge in real time, and the moisture content that export sludge accurately can be controlled, if that is, sludge does not have
Reach required moisture content, then can be realized by extending the squeezing time and increasing squeeze pressure, can accurately reach target
Moisture content.
As an improvement, the moisture on-line detector is using high frequency capacitance field microwave measurement sludge cake thickness direction
Moisture, and the diametric moisture content of sludge cake can be detected as needed, the moisture content for detecting moisture is aqueous for whole sludge
The average value of rate.Efficiently solve current moisture percentage in sewage sludge measurement and take inaccurate problem caused by several points, can survey in real time
Measure the moisture content of sludge.
As an improvement, the two-way cylinder be connected with booster and solenoid directional control valve is connected, pass through solenoid directional control valve
The pressure oil commutation of two-way cylinder can be achieved, and then realize the charging dehydration of the dewatering unit of left and right two and turning for press dewatering
Change.High-pressure compressing to sludge can be achieved by booster effect, further reduce moisture percentage in sewage sludge.
As an improvement, the dewatering unit further includes sealing plate, the stripper plate in support plate with offering multiple fluids
Passage, with dehydration cylinder-shaped into a press filtration chamber, the medial surface of stripper plate and support plate is enclosed with filter respectively for stripper plate, support plate
Cloth, lateral surface are connected with sealing plate, and the sealing plate lower end is connected with drainpipe.
As an improvement, the dehydration module is multiple, the multiple dehydration module is arranged side by side, at the minimizing
Reason device further includes two support plate driving mechanisms, and described two support plate driving mechanisms are respectively positioned at multiple dehydration modules
Both sides, the support plate driving mechanism include support plate connecting rod, support plate push-and-pull mobile jib and push cylinder, the support plate
One end of connecting rod and the support plate of the multiple dehydration module side connect one to one, the other end of the support plate connecting rod
It is connected on support plate push-and-pull mobile jib, the output terminal of the push cylinder is connected with push-and-pull mobile jib.Pass through support plate driving machine
Structure can realize the opening and closing of support plate, and then easily realize the discharging of corresponding dewatering unit.
As an improvement, being respectively arranged with fast opening mechanism in the both sides of multiple dehydration modules, the fast opening mechanism includes fast
Knob is opened, connecting rod is opened soon, open mobile jib soon and opens drive cylinder soon, one on the outside of the dewatering unit for opening knob and corresponding side soon
One corresponds to connection, and described one end for opening connecting rod soon is connected to opens on knob soon accordingly, and the other end is connected to be opened on mobile jib soon,
The output terminal for opening drive cylinder soon is connected with opening mobile jib soon.
As an improvement, the knob of opening soon includes commutation circle, resetting spring and spacing jacking block, commutation circle installation
Correspond on dehydration cylinder, and positioned at the outside of support plate, the resetting spring and spacing jacking block and be installed on dehydration tube
On the outer wall of body, the inner wall of the commutation circle is equipped with narrow footpath section and wide path, and narrow footpath section and wide path are alternately distributed, often
Combination to resetting spring and spacing jacking block corresponds to corresponding narrow footpath section and wide path.When opening knob locking soon, then bullet is being resetted
Under the action of spring, corresponding spacing jacking block props up the narrow footpath section of commutation circle, is changed opening drive cylinder driving backspin soon to circle, from
And spacing jacking block is entered wide path, even if under the action of the spring, the inner wall of commutation circle will not be propped up, so as to fulfill fast
Open.
As an improvement, opening up fluted on the commutation circle, outward flange with fit depressions is equipped with dehydration cylinder,
Commutation circle is installed on by groove on the outward flange of dehydration cylinder.
As an improvement, the alternatively distributed narrow footpath section and wide path are rendered as curve, cam line style is formed.The cam line
Type ensures that the movement of spacing jacking block be compliant motion without impact, and so that the movement of limiting plate stuck showing of being not in
As.
Brief description of the drawings
Fig. 1 is the structure diagram of the efficient depth minus quantification treatment device of sewage sludge；
Fig. 2 is fast opening mechanism schematic diagram；
Fig. 3 is the profile of the fast opening mechanisms of Fig. 2；
Fig. 4 is the corresponding FB(flow block) of the present invention.
As shown in the figure, 1, two-way cylinder, 1.1, piston rod, 1.2, booster, 1.3, solenoid directional control valve, 2, dewatering unit,
2.1st, it is dehydrated cylinder, 2.12, outward flange, 2.2, support plate, 2.3, stripper plate, 2.4, feed inlet, 2.5, moisture on-line detector,
2.6th, sealing plate, 2.7, filter cloth, 2.8, drainpipe, 3, support plate connecting rod, 4, support plate push-and-pull mobile jib, 5, push cylinder, 6, open soon
Knob, 6.1, commutation circle, 6.2, resetting spring, 6.3, spacing jacking block, 7, open connecting rod soon, 8, open mobile jib soon, 9, open driving oil soon
Cylinder, 10, controller, 11, material conveying mechanism.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
The present invention covers any replacement, modification, equivalent method and scheme made in the spirit and scope of the present invention.For
Make the public have the present invention thoroughly to understand, concrete details is described in detail in present invention below preferred embodiment, and
Description without these details can also understand the present invention completely for a person skilled in the art.In addition, the attached drawing of the present invention
In for the needs of signal, be not drawn to scale accurately, be explained herein completely.Wherein, on " interior ",
The description such as " outer ", "left", "right" is that in contrast, only description needs and introduces these terms, does not form to right
It is required that restriction.In addition, the statement on " device " and " mechanism " can be substituted for each other, for example, fast opening mechanism is alternatively referred to as opened soon
Device.
As shown in Figure 1, a kind of efficient depth minus quantification treatment device of sewage sludge is illustrated, including at least one dehydration mould
Group, the dehydration module includes two-way cylinder 1 and two symmetrically arranged dewatering units 2, each dewatering unit 2 are equal
Including dehydration cylinder 2.1, support plate 2.2 and stripper plate 2.3, the support plate 2.2 is positioned at the outside of dehydration cylinder 2.1, institute
The stripper plate 2.3 stated is equipped with feed inlet 2.4 positioned at the inner side of dehydration cylinder 2.1 on the dehydration cylinder 2.1；Described is double
Two piston rods 1.1 are equipped with to oil cylinder 1, stripper plate 2.3 of described two piston rods 1.1 respectively with two dewatering units 2 connects
Connect.The device is mainly sludge deep dehydrator, and dehydration is divided into two steps, and the first step is that the feed pressure for leaning on sludge takes off
Water, dewatering pressure 0.6-0.8MPa, second step is by the pressure of high-voltage oil cylinder progress press dewatering, squeeze pressure 5-
7MPa, sludge after completing minimizing processing, conveyed by material conveying mechanism 11 and shifted.Two-way cylinder 1 in the present invention is height
Compressing cylinder, but it should be noted that high pressure is also only a relative concept, i.e., compared with feed pressure.
Based on the efficient depth minus quantification treatment device of above-mentioned sewage sludge, there are following minimizing processing method：At two
In symmetrically arranged dewatering unit, one of sewage sludge charging dehydration, then extrusion dehydration, charging are de- for another dewatering unit
The dewatering unit of water exerts a force two-way cylinder by its stripper plate, and promotes the stripper plate of the dewatering unit of extrusion dehydration；Upper
During stating, according to force direction, hydraulic oil is then passed through or releases toward corresponding oil pocket for two-way cylinder.
The dewatering unit 2 further includes moisture on-line detector 2.5, and the moisture on-line detector 2.5 is installed on
On the stripper plate 2.3 or support plate 2.2 of dewatering unit.The moisture content of sludge is carried out using sludge water content on-line detector real-time
Measurement, can grasp the moisture content of sludge in real time, and the moisture content that export sludge accurately can be controlled, if that is, sludge does not have
There is the moisture content for reaching required, then can be realized by extending the squeezing time and increasing squeeze pressure, can accurately reach mesh
Mark moisture content.The moisture on-line detector 2.5 uses the moisture of high frequency capacitance field microwave measurement sludge cake thickness direction,
And the diametric moisture content of sludge cake can be detected as needed, the moisture content for detecting moisture is the flat of whole moisture percentage in sewage sludge
Average.
Be connected with booster 1.2 and the solenoid directional control valve 1.3 of the two-way cylinder 1 are connected, and pass through solenoid directional control valve 1.3
The pressure oil commutation of two-way cylinder 1 can be achieved, and then realize the charging dehydration of the dewatering unit of left and right two and turning for press dewatering
Change.High-pressure compressing to sludge can be achieved by booster effect, further reduce moisture percentage in sewage sludge.
The dewatering unit further includes sealing plate 2.6, and the stripper plate 2.3 in support plate 2.2 with offering multiple fluids
Passage, stripper plate 2.3, support plate 2.2 and dehydration cylinder 2.1 form a press filtration chamber, and stripper plate 2.3 is interior with support plate 2.2
Side is enclosed with filter cloth 2.7 respectively, and lateral surface is connected with sealing plate 2.6, and 2.6 lower end of sealing plate is connected with drainpipe 2.8.
The quantity for the dehydration module being made of two symmetrical dewatering units is by the big of required sewage sludge treating capacity
Small and to be increased and decreased to set according to actual conditions, each two dewatering units being dehydrated in module are arranged symmetrically in two-way cylinder
Both sides.In actual use, generally using multiple or multigroup dehydration module, the multiple dehydration module is arranged side by side, it is described and
Row is arranged to spatially side by side, rather than only refers in the same horizontal position.According to the actual use situations of multiple dehydration modules, sheet
The mechanism that the multiple dehydration modules of invention design cooperate, for example, support plate driving mechanism, fast opening mechanism, etc..Support plate is driven
Motivation structure and fast opening mechanism are for the purpose of realizing the unilateral synchronous interaction of multiple dehydration modules so that multiple dehydration modules can
Cooperate, raising efficiency.
Shown in Fig. 1, the dehydration module is three, and three dehydrations module is arranged side by side, at the minimizing
Reason device further includes two support plate driving mechanisms, and described two support plate driving mechanisms are respectively positioned at multiple dehydration modules
Both sides, the support plate driving mechanism include support plate connecting rod 3, support plate push-and-pull mobile jib 4 and push cylinder 5, the branch
One end of fagging connecting rod 3 and the support plate 2.2 of the multiple dehydration module side connect one to one, the support plate connecting rod
3 other end is connected on support plate push-and-pull mobile jib 4, and the output terminal of the push cylinder 5 is connected with push-and-pull mobile jib 4.Pass through
Support plate driving mechanism can realize the opening and closing of support plate, and then easily realize the discharging of corresponding dewatering unit.
Fast opening mechanism is respectively arranged with the both sides of multiple dehydration modules, as shown in Fig. 2, illustrating the specific of fast opening mechanism
Structure.The fast opening mechanism includes opening knob 6 soon, opening connecting rod 7 soon, open mobile jib 8 soon and open drive cylinder 9 soon, and described is fast
Knob 6 is opened with connecting one to one on the outside of the dewatering unit of corresponding side, described one end for opening connecting rod 7 soon is connected to corresponding fast
Open on knob 6, the other end is connected to be opened on mobile jib 8 soon, and the output terminal for opening drive cylinder 9 soon is connected with opening mobile jib 8 soon.
" inner side " of the present embodiment meaning is close to 1 side of two-way cylinder, conversely, " outside " then refers to one away from two-way cylinder 1
Side.
The knob 6 of opening soon includes commutation circle 6.1, resetting spring 6.2 and spacing jacking block 6.3, the commutation circle 6.1
On dehydration cylinder 2.1, and positioned at the outside of support plate 2.2, the resetting spring 6.2 and spacing jacking block 6.3 are one by one
Corresponding to be installed on the outer wall of dehydration cylinder 2.1, the inner wall of the commutation circle 6.1 is equipped with narrow footpath section and wide path, and described is narrow
Footpath section and wide path are alternately distributed, and the combination of each pair resetting spring 6.2 and spacing jacking block 6.3 corresponds to corresponding narrow footpath Duan Hekuan footpaths
Section.When opening knob locking soon, then under the action of resetting spring, corresponding spacing jacking block props up the narrow footpath section of commutation circle, fast
Drive cylinder driving backspin is opened to change to circle, so that spacing jacking block enters wide path, even if under the action of the spring, will not
The inner wall of commutation circle is propped up, so as to fulfill opening soon.
Open up fluted on the commutation circle 6.1, outward flange with fit depressions is equipped with dehydration cylinder 2.1
2.12, commutation circle is installed on by groove on the outward flange of dehydration cylinder.
The alternatively distributed narrow footpath section and wide path are rendered as curve, form cam line style.The cam line style ensures limit
The movement of position jacking block be compliant motion without impact, and so that the stuck phenomenon that the movement of limiting plate is not in.
As shown in figure 3, illustrate the profile of fast opening mechanism, it is intended that illustrate that installation of the fast opening mechanism with being dehydrated cylinder coordinates
Relation.Understood in figure, resetting spring 6.2 and spacing jacking block 6.3 are installed on the radial direction of the outer wall of the external port of dehydration cylinder 2.1
On, and telescopic hole is positioned there is provided corresponding, the resetting spring 6.2 to be sheathed on spacing 6.3 bottom of jacking block, spacing jacking block
6.3 middle parts set the boss for spring force, may act as the effect of spring base.Spacing jacking block 6.3 may pass through on dehydration cylinder 2.1
Positioning telescopic hole move back and forth.Although resetting spring 6.2 and spacing jacking block 6.3 are installed on dehydration cylinder 2.1, this
Embodiment is using resetting spring 6.2 and spacing jacking block 6.3 as the part for opening knob 6 soon.Open soon connecting rod 7 by hinge respectively with
Commutation circle 6.1 is connected with opening mobile jib 8 soon, each opens that mobile jib 8 opens drive cylinder 9 soon with one and multiple connecting rods 8 of opening soon are connected soon.
Electrical features involved by the present embodiment can be controlled by unified controller 10, i.e. the control
Device 10 processed and moisture on-line detector 2.5, solenoid directional control valve 1.3, push cylinder 5, open drive cylinder 9 and be electrically connected soon；At the same time
The connection of feed pipe valve is set in the feed inlet of each dewatering unit, is also electrically connected with controller 10, each dehydration
Feed inlet on unit is equipped with feed pipe, and is connected with a total feed pipe.
The operation principle of the present apparatus is as follows：
When work starts, push cylinder driving support plate moves to certain position, and fast opening mechanism closes spacing jacking block, support
Plate is fixed on the lateral ends of a position dehydration cylinder, and support plate and stripper plate form a press filtration chamber, moisture content 90%-
99% sewage sludge enters two-way cylinder wherein side at the same time by screw pump or diaphragm pump conveying（Such as left side）All is de-
The valve opening of water unit, at this time left side feed inlet, right side feed inlet are closed, and sludge enters, and filtered cloth moisture passes through extruding
The fluid passage of plate and support plate enters in the drainpipe of sealing plate and discharges, and sludge retention is in press filtration intracavitary, with entrance
Sewage sludge is more and more, and the sludge of press filtration intracavitary is also more and more, this stage is dehydrated for charging, and dewatering pressure is screw pump
Or the operating pressure of diaphragm pump, about 0.6-0.8MPa.
On the other hand, feed pressure also applies the left hand piston bar of two-way cylinder the pressure of 0.6-0.8MPa, double at this time
Do not pressurize actively to oil cylinder, be nature, which is applied to right side by the piston and right hand piston bar of high-voltage oil cylinder
On stripper plate, so as to fulfill the low pressure press dewatering to sludge, right side sludge is compressed, left and right piston rod, left and right dewatering unit
Stripper plate end motion to the right at the same time, the press filtration cavity space in left side is gradually increased, and inputiing mud volume also further increases, to be a kind of variable
The dehydration of cavity, as left side inputiing mud volume gradually increases, dewatered sludge fills with the press filtration chamber of left end, right side
Sludge is squeezed by the pressure of prolonged 0.6-0.8MPa, and moisture is difficult to be extruded again, and at this time, two-way cylinder left chamber is passed through height
Pressure oil pressure so that the squeeze pressure of right dewatering unit reaches 5-7MPa, and right dewatering unit is further dehydrated quilt under high-pressure compressing
It is further compressed, this stage is the high-pressure compressing water smoking, and left and right piston rod, the stripper plate of left and right dewatering unit continue to the right
Lateral movement, the press filtration chamber in left side further become larger, and sewage sludge can continue into left side dewatering unit by left side enters mud pipe
Further dehydration, moisture are discharged by the drainpipe of the left and right sides.At this time, it is dirty to detect right side in real time for sludge water content on-line detector
The moisture content of mud, when sludge reaches required moisture content, controller sends a signal to quick-opening device, and quick-opening device is opened,
Controller is simultaneously emitted by signal and pulls open support plate to push cylinder, push cylinder, simultaneously bi-directionally oil cylinder pushing right hand piston bar,
Sludge is pushed out, sludge is dropped on device for transporting objects and transferred out.After the completion of sludge conveying, right side push cylinder will
Support plate is back on dehydration cylinder, while quick-opening device is closed.
Right side dewatering unit completes charging dehydration, preliminary press dewatering and high-pressure compressing dehydration, and left side has
Dewatering unit has only completed charging dehydration.At this time, enters mud pipe valve in right side is opened, and the enters mud pipe valve in left side is closed, Sewage
Mud enters right side dewatering unit, and moisture enters sealing plate and draining by the fluid passage on filter cloth and stripper plate, support plate
Pipe is discharged, and sludge is then trapped within press filtration intracavitary, and the feed pressure on right side has been subjected to left side by the piston rod of high-voltage oil cylinder
Early period, the sludge of charging dehydration carried out low pressure press dewatering, and left side sludge is compressed, and the left and right piston rod of high-voltage oil cylinder, left and right are de-
The lateral movement to the left of the stripper plate of water unit, with the progress of dehydration, right side cavity is full of dewatered sludge, and at this time, controller is sent
For signal to solenoid directional control valve, high pressure oil enters the left side cavity of high-voltage oil cylinder, and high-pressure compressing dehydration is carried out to left side sludge, dirty
Mud is further dehydrated and compresses, and the left and right piston rod of two-way cylinder, the stripper plate of left and right dewatering unit continue lateral movement to the left,
The press filtration cavity on right side further increases at this time, and sewage sludge can be gone successively to.When sludge water content on-line detector detects in real time
When reaching requirement to the moisture content of left side sludge, controller sends a signal to the fast transmitting apparatus and push cylinder in left side, opens dress soon
Opening is put, push cylinder pulls open support plate, and stripper plate promotes sludge that sludge is released dehydration cylinder to taking exercises, and sludge drops
Exported to sludge conveyor.A cycle is completed, and is and so on circulated.
Opening mechanism operation principle is to open drive cylinder promotion soon to open mobile jib soon, open connecting rod drive commutation circle rotation soon soon, is changed
Rotating cam line style internal at the same time to circle promotes spacing jacking block to move downward, realize it is spacing, when opening oil cylinder counter motion soon,
Commutation circle is driven to rotate backward, at this time, spacing jacking block is opened under the action of the spring.
Charging dehydration is synchronous with press dewatering to be carried out, and makes full use of the pressure of charging to carry out preliminary press dewatering, effect
Rate is high, saves energy consumption；The moisture content of sludge is detected in real time, can accurately control the moisture content of mud extraction, is the follow-up of sludge
Disposal brings benefit；Pull open support plate synchronously to carry out sludge progress discharging, reduce the current sludge pulling plate unloading time；Should
Device is a kind of modular construction of normal formula, can easily carry out equipment restructuring according to the size for the treatment of capacity.
Only preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This
Invention is not only limited to above example, its concrete structure is allowed to vary.In short, all guarantors in independent claims of the present invention
The various change made in the range of shield is within the scope of the present invention.
Claims (7)
1. a kind of efficient depth minus quantizing method of sewage sludge, based on minimizing processing unit, minimizing processing
Device includes at least one dehydration module, it is characterised in that：The dehydration module includes two-way cylinder（1）Symmetrically set with two
The dewatering unit put（2）, each dewatering unit（2）Include dehydration cylinder（2.1）, support plate（2.2）And stripper plate
（2.3）, the support plate（2.2）Positioned at dehydration cylinder（2.1）Outside, the stripper plate（2.3）Positioned at dehydration cylinder
（2.1）Inner side, in the dehydration cylinder（2.1）It is equipped with feed inlet（2.4）；The two-way cylinder（1）Equipped with two work
Stopper rod（1.1）, two piston rods（1.1）Respectively with two dewatering units（2）Stripper plate（2.3）Connection；
In two symmetrically arranged dewatering units, one of sewage sludge charging dehydration, another dewatering unit then extrudes
Dehydration, feeds the dewatering unit of dehydration and is exerted a force by its stripper plate to two-way cylinder, and promote extrusion dehydration dewatering unit it
Stripper plate；In above process, two-way cylinder is passed through or releases hydraulic oil then according to force direction toward corresponding oil pocket；
The dehydration module is multiple, and the multiple dehydration module is arranged side by side, and the minimizing processing unit further includes
Two support plate driving mechanisms, described two support plate driving mechanisms are described respectively positioned at the both sides of multiple dehydration modules
Support plate driving mechanism includes support plate connecting rod（3）, support plate push-and-pull mobile jib（4）And push cylinder（5）, the support plate connects
Bar（3）One end and the multiple dehydration module side support plate（2.2）Connect one to one, the support plate connecting rod
（3）The other end be connected to support plate push-and-pull mobile jib（4）On, the push cylinder（5）Output terminal with push-and-pull mobile jib（4）Even
Connect；
Fast opening mechanism is respectively arranged with the both sides of multiple dehydration modules, the fast opening mechanism includes opening knob soon（6）, soon open
Connecting rod（7）, open mobile jib soon（8）Drive cylinder is opened soon（9）, described opens knob soon（6）On the outside of the dewatering unit of corresponding side
Connect one to one, described opens connecting rod soon（7）One end be connected to and open knob soon accordingly（6）On, the other end is connected to soon
Open mobile jib（8）On, described opens drive cylinder soon（9）Output terminal and open mobile jib soon（8）Connection.
2. the efficient depth minus quantizing method of sewage sludge according to claim 1, it is characterised in that：The dehydration
Unit（2）Further include moisture on-line detector（2.5）, the moisture on-line detector（2.5）It is installed on squeezing for dewatering unit
Pressing plate（2.3）Or support plate（2.2）On；The moisture on-line detector is thick using high frequency capacitance field microwave measurement sludge cake
The moisture in direction is spent, and the diametric moisture content of sludge cake can be detected as needed, the moisture content for detecting moisture is whole
The average value of moisture percentage in sewage sludge.
3. the efficient depth minus quantizing method of sewage sludge according to claim 1, it is characterised in that：Described is two-way
Oil cylinder（1）It is connected with booster（1.2）And solenoid directional control valve（1.3）, pass through solenoid directional control valve（1.3）To realize two-way cylinder
（1）Pressure oil commutation, and then realize the charging dehydration and the conversion of press dewatering of two dewatering units in left and right.
4. the efficient depth minus quantizing method of sewage sludge according to claim 1, it is characterised in that：The dehydration
Unit further includes sealing plate（2.6）, the stripper plate（2.3）With support plate（2.2）On offer multiple fluid passages, stripper plate
（2.3）, support plate（2.2）With being dehydrated cylinder（2.1）Form a press filtration chamber, stripper plate（2.3）With support plate（2.2）Inner side
Face is enclosed with filter cloth respectively（2.7）, lateral surface is connected with sealing plate（2.6）, the sealing plate（2.6）Lower end is connected with drainpipe
（2.8）.
5. the efficient depth minus quantizing method of sewage sludge according to claim 1, it is characterised in that：Described opens soon
Knob（6）Enclosed including commutation（6.1）, resetting spring（6.2）With spacing jacking block（6.3）, the commutation circle（6.1）Installed in de-
Water drum body（2.1）On, and it is located at support plate（2.2）Outside, the resetting spring（6.2）With spacing jacking block（6.3）One by one
Correspondence is installed on dehydration cylinder（2.1）Outer wall on, it is described commutation circle（6.1）Inner wall be equipped with narrow footpath section and wide path, it is described
Narrow footpath section and wide path be alternately distributed, each pair resetting spring（6.2）With spacing jacking block（6.3）Combination correspond to corresponding narrow footpath
Section and wide path.
6. the efficient depth minus quantizing method of sewage sludge according to claim 5, it is characterised in that：The commutation circle
（6.1）On open up it is fluted, dehydration cylinder（2.1）It is equipped with the outward flange with fit depressions（2.12）, commutation circle pass through
Groove is installed on the outward flange of dehydration cylinder（2.12）On.
7. the efficient depth minus quantizing method of sewage sludge according to claim 5, it is characterised in that：The alternating point
The narrow footpath section and wide path of cloth are rendered as curve, form cam line style, open drive cylinder soon（9）Mobile jib is opened in promotion soon（8）, soon open
Connecting rod（7）Drive commutation circle（6.1）Rotate, commutation circle（6.1）Rotate cam line style internal at the same time and promote spacing jacking block（6.3）
Move downward, realize it is spacing, when opening drive cylinder soon（9）During counter motion, commutation circle is driven（6.1）Rotate backward, at this time, limit
Position jacking block（6.3）In resetting spring（6.2）Effect is lower to open.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610161223.5A CN105800900B (en) | 2016-03-21 | 2016-03-21 | The efficient depth minus quantizing method of sewage sludge |
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| CN201610161223.5A CN105800900B (en) | 2016-03-21 | 2016-03-21 | The efficient depth minus quantizing method of sewage sludge |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277664A (en) * | 2016-08-16 | 2017-01-04 | 湖北合加环境设备有限公司 | A kind of sludge semi-dry processes technique |
| CN106430900B (en) * | 2016-11-15 | 2023-04-07 | 江苏道科环境科技有限公司 | Device and method for quantitatively adding sludge |
| CN107434345B (en) * | 2017-08-10 | 2021-02-19 | 东莞市耐斯机械制造有限公司 | Sludge press plate |
| CN110104925A (en) * | 2019-06-11 | 2019-08-09 | 饶宾期 | Sludge dewatering and moisture content detecting method |
| CN110092561B (en) * | 2019-06-11 | 2023-09-08 | 深圳市浩瑞泰科技有限公司 | Sludge dewatering and water content detection device |
| CN110746084A (en) * | 2019-09-11 | 2020-02-04 | 杭州国泰环保科技股份有限公司 | Intelligent feedback type sludge concentration system and treatment method thereof |
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| EP1362629A1 (en) * | 2002-05-06 | 2003-11-19 | Litton Systems, Inc. | Pressure swing adsorption system comprising a pneumatically driven pressure intensifier and a drying apparatus |
| CN1837109A (en) * | 2006-04-06 | 2006-09-27 | 深圳市金达莱环保有限公司 | Press type sludge dehydration equipment |
| CN201046937Y (en) * | 2007-05-11 | 2008-04-16 | 广州普得环保设备有限公司 | Novel continuous sludge dewatering machine |
| CN103723903A (en) * | 2012-10-16 | 2014-04-16 | 郭井祥 | Bidirectional extrusion filter device |
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| EP1362629A1 (en) * | 2002-05-06 | 2003-11-19 | Litton Systems, Inc. | Pressure swing adsorption system comprising a pneumatically driven pressure intensifier and a drying apparatus |
| CN1837109A (en) * | 2006-04-06 | 2006-09-27 | 深圳市金达莱环保有限公司 | Press type sludge dehydration equipment |
| CN201046937Y (en) * | 2007-05-11 | 2008-04-16 | 广州普得环保设备有限公司 | Novel continuous sludge dewatering machine |
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