CN111410388A - Oil sludge treatment process technology and complete equipment - Google Patents

Oil sludge treatment process technology and complete equipment Download PDF

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Publication number
CN111410388A
CN111410388A CN202010228194.6A CN202010228194A CN111410388A CN 111410388 A CN111410388 A CN 111410388A CN 202010228194 A CN202010228194 A CN 202010228194A CN 111410388 A CN111410388 A CN 111410388A
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water
box
demulsification
box body
treatment
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CN202010228194.6A
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Chinese (zh)
Inventor
张文涛
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Tianjin Hongyuan Environmental Protection Technology Co ltd
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Tianjin Hongyuan Environmental Protection Technology Co ltd
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Priority to CN202010228194.6A priority Critical patent/CN111410388A/en
Publication of CN111410388A publication Critical patent/CN111410388A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/127Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses an oil sludge treatment process technology and complete equipment, which comprises a hose delivery pump, an equipment box and a generator set, wherein a water treatment unit is arranged on the other side in the equipment box, one side of the water treatment unit is connected with a secondary treatment box, one side of the secondary treatment box is connected with a centrifugal separator, one side of the centrifugal separator is connected with a primary treatment box, one side of the primary treatment box is connected with an ultrasonic emulsion breaking unit, one side of the ultrasonic emulsion breaking unit is connected with the hose delivery pump, one end of the hose delivery pump is connected with a vibration screening machine, and one side of the vibration screening machine is connected with a pre-stirring heating tank. The sludge treatment process technology and the complete equipment of the invention carry out three-phase separation on sludge generated in the processes of crude oil extraction, storage, transportation and processing and crude oil extraction liquid treatment, the final products after the separation treatment are oil, soil and water, and the complete equipment is integrally assembled in an equipment box, thereby facilitating transportation and mobile operation.

Description

Oil sludge treatment process technology and complete equipment
Technical Field
The invention relates to the field of oil sludge treatment, in particular to an oil sludge treatment process technology and complete equipment.
Background
Because the sludge produced in the processes of crude oil extraction, storage, gathering and transportation, processing and crude oil extraction liquid treatment is named by the components containing crude oil or in crude oil, the sludge is mainly divided into the following components: oil sludge falling to the ground, tank cleaning oil sludge, floating slag and the like; the domestic existing treatment processes all have some common defects, which are mainly shown in the following aspects:
one is as follows: continuous feeding and discharging can not be carried out, namely intermittent feeding and intermittent discharging are carried out, and the production efficiency is low;
the second step is as follows: the three separation items are incomplete, namely the separated oil contains more water and impurities, the separated water contains more oil and mud, and the separated mud contains more water and oil;
and thirdly: mostly fixed dispersion equipment, be not convenient for remove the operation.
Disclosure of Invention
The invention mainly aims to provide an oil sludge treatment process technology and complete equipment, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
sludge treatment process and complete sets, including hose delivery pump, equipment box, generating set, the incasement opposite side of equipment box is provided with water treatment unit, and one side of water treatment unit is connected with the secondary treatment case, secondary treatment case one side is connected with centrifugal separator, and one side of centrifugal separator is connected with once handles the case, one side of once handling the case is connected with ultrasonic wave breakdown of emulsion unit, and one side of ultrasonic wave breakdown of emulsion unit is connected with hose delivery pump, the one end of hose delivery pump is connected with vibration screening machine, and one side of vibration screening machine is connected with stirs the heating tank in advance, the opposite side of equipment box is provided with generating set.
Preferably, the pre-stirring heating tank comprises a stirrer, a heat preservation box body, an electromagnetic heating chassis and a first delivery pump, the electromagnetic heating chassis is arranged at the bottom of the heat preservation box body, the stirrer is arranged at the upper end of the heat preservation box body, and the first delivery pump is arranged on the side wall of the heat preservation box body.
Preferably, the vibration screening machine includes vibrating screen body, vibrating motor, first frame, and the upper end of first frame is provided with vibrating motor, and vibrating motor is connected with the vibrating screen body, the vibrating screen body is connected with the first delivery pump of stirring heating tank in advance, and the vibrating screen body is connected with the bin of hose delivery pump.
Preferably, the ultrasonic demulsification unit comprises an ultrasonic generator and a demulsification cavity, the upper end of the demulsification cavity is connected with the ultrasonic generator, and a hose of a hose delivery pump is connected to a side wall pipe orifice of the demulsification cavity.
Preferably, the primary treatment box comprises a first box body, a sedimentation inclined plate, an oil skimmer, an electric heater and a conveying pipeline, the sedimentation inclined plate is arranged in the first box body, the oil skimmer is arranged on the edge of the upper end of the first box body, the electric heater is inserted into and connected with the lower portion of the side wall of the first box body, the conveying pipeline is arranged on the lower portion of the side wall of the first box body, the first box body is connected with a demulsification cavity of the ultrasonic demulsification unit through a pipeline, the centrifugal separator comprises a control cabinet, a differential drum, a motor and a second rack, the differential drum is arranged on the upper end of the second rack, one end of the differential drum is connected with the differential, one end of the differential drum is connected with the motor, the control cabinet is arranged on the edge of the upper end of the second rack, and the differential.
Preferably, the secondary treatment box comprises a foam suction part, a flat plate precipitator and a second box body, the flat plate precipitator is arranged in the second box body, and the foam suction part is arranged at the upper end of the second box body.
Preferably, the water treatment unit includes reverse osmosis host computer, water softener, many medium filter, salt case, precision filter, leading filter, support frame, and the frame of support frame is interior bottom is provided with leading filter, be provided with reverse osmosis host computer, water softener, many medium filter, salt case, precision filter in the frame of support frame, be connected through the electric wire between reverse osmosis host computer and water softener, many medium filter, salt case, the leading filter of precision filter, and be connected through the pipeline between water softener, many medium filter, salt case, the leading filter of precision filter, whole set of equipment assembly is in the equipment box incasement, and generating set is connected with each subassembly through the wire.
The process technology for treating the oil sludge comprises the following steps:
the method comprises the following steps: the oil sludge demulsification agent and the enzyme are added into the pre-stirring heating tank while the pre-stirring heating tank is heated and stirred to carry out chemical demulsification;
step two: the vibrating screen machine is used for vibrating and screening impurities such as stones larger than MM, the impurities are removed from the screen, and the undersize mud-water mixture flows into the storage tank;
step three: the hose conveying pump is used for realizing the connection conveying of the vibration screening machine and the ultrasonic demulsification unit through a pipeline;
step four: the ultrasonic demulsification unit is used for carrying out physical demulsification on the oil sludge again;
step five: the primary treatment tank is used for carrying out precipitation separation on the demulsified oil sludge and water mixed liquid, discharging floating oil into an oil collecting and collecting tank, and pumping the soil and water into a centrifugal separator;
step six: the centrifugal separator is used for thoroughly separating soil and water, the separated soil is sent out by the screw conveyor, and the separated water enters the secondary treatment tank;
step seven: the secondary treatment box is used for sucking out floating foam and conveying the water without grease to the water treatment unit;
step eight: and the water treatment unit is used for treating the separated water again and removing clean water meeting the requirements.
Compared with the prior art, the invention has the following beneficial effects: the oil sludge treatment process technology and the complete equipment comprise:
the method is characterized in that the sludge generated in the processes of crude oil extraction, storage, transportation, processing and crude oil extraction liquid treatment is subjected to three-phase separation, the final products after separation treatment are oil, soil and water, and the whole set of equipment is assembled in an equipment box, so that the transportation and the moving operation are convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the sludge treatment process and plant of the present invention;
FIG. 2 is a schematic diagram of a pre-agitated heating tank of the sludge treatment process and plant of the present invention;
figure 3 is a schematic view of a vibratory screening machine for sludge treatment process technology and plant according to the present invention;
FIG. 4 is a schematic view of an ultrasonic demulsification unit of the oil sludge treatment process and complete equipment of the invention;
FIG. 5 is a schematic view of a primary treatment tank of the sludge treatment process and plant of the present invention;
FIG. 6 is a schematic diagram of a centrifuge of the sludge treatment process and plant of the present invention;
FIG. 7 is a schematic view of a secondary treatment tank of the sludge treatment process and plant of the present invention;
fig. 8 is a schematic diagram of a water treatment unit of the sludge treatment process and plant of the present invention.
In the figure: 1. a pre-agitation heating tank; 101. a stirrer; 102. a heat preservation box body; 103. an electromagnetic heating chassis; 104. a first delivery pump; 2. a vibrating screen classifier; 201. vibrating the screen body; 202. a vibration motor; 203. a first frame; 3. a hose transfer pump; 4. an ultrasonic demulsification unit; 401. an ultrasonic generator; 402. a demulsification cavity; 5. a primary treatment tank; 501. a first case; 502. a sedimentation sloping plate; 503. An oil skimmer; 504. an electric heater; 505. a delivery conduit; 6. a centrifugal separator; 601. a control cabinet; 602. a differential drum; 603. a differential mechanism; 604. an electric motor; 605. a second frame; 7. a secondary treatment tank; 701. a foam suction member; 702. a plate precipitator; 703. a second case; 8. a water treatment unit; 801. a reverse osmosis host; 802. a water softener; 803. a multi-media filter; 804. a salt box; 805. A precision filter; 806. a pre-filter; 807. a support frame; 9. an equipment box; 10. and (4) a generator set.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-8, the complete equipment for sludge treatment comprises a hose delivery pump 3, an equipment box 9 and a generator set 10, wherein a water treatment unit 8 is arranged on the other side in the equipment box 9, a secondary treatment box 7 is connected to one side of the water treatment unit 8, a centrifugal separator 6 is connected to one side of the secondary treatment box 7, a primary treatment box 5 is connected to one side of the centrifugal separator 6, an ultrasonic demulsification unit 4 is connected to one side of the primary treatment box 5, the hose delivery pump 3 is connected to one side of the ultrasonic demulsification unit 4, a vibration screening machine 2 is connected to one end of the hose delivery pump 3, a pre-stirring heating tank 1 is connected to one side of the vibration screening machine 2, and the generator set 10 is arranged on the other side of.
The pre-stirring heating tank 1 comprises a stirrer 101, a heat preservation box body 102, an electromagnetic heating chassis 103 and a first conveying pump 104, wherein the electromagnetic heating chassis 103 is arranged at the bottom of the heat preservation box body 102, the stirrer 101 is arranged at the upper end of the heat preservation box body 102, and the first conveying pump 104 is arranged on the side wall of the heat preservation box body 102; the vibrating screen machine 2 comprises a vibrating screen body 201, a vibrating motor 202 and a first frame 203, the vibrating motor 202 is arranged at the upper end of the first frame 203, the vibrating motor 202 is connected with the vibrating screen body 201, the vibrating screen body 201 is connected with a first conveying pump 104 of the pre-stirring heating tank 1, and the vibrating screen body 201 is connected with a storage tank of a hose conveying pump 3; the ultrasonic demulsification unit 4 comprises an ultrasonic generator 401 and a demulsification cavity 402, the upper end of the demulsification cavity 402 is connected with the ultrasonic generator 401, and a hose of the hose delivery pump 3 is connected with a side wall pipe orifice of the demulsification cavity 402; the primary treatment tank 5 comprises a first tank body 501, a sedimentation inclined plate 502, an oil skimmer 503, an electric heater 504 and a conveying pipeline 505, a sedimentation sloping plate 502 is arranged in the first box body 501, an oil skimmer 503 is arranged at the edge of the upper end of the first box body 501, and the lower part of the side wall of the first tank 501 is inserted and connected with an electric heater 504, the lower part of the side wall of the first tank 501 is provided with a conveying pipe 505, and the first box 501 is connected with the demulsification cavity 402 of the ultrasonic demulsification unit 4 through a pipeline, the centrifugal separator 6 comprises a control cabinet 601, a differential drum 602, a differential 603, a motor 604 and a second frame 605, and the upper end of the second frame 605 is provided with a differential drum 602, one end of the differential drum 602 is connected with a differential 603, one end of the differential 603 is connected with a motor 604, the edge of the upper end of the second frame 605 is provided with a control cabinet 601, and the differential drum 602 is connected with a conveying pipeline 505 of the primary treatment box 5; the secondary treatment box 7 comprises a foam suction part 701, a flat plate precipitator 702 and a second box body 703, wherein the flat plate precipitator 702 is arranged in the second box body 703, and the foam suction part 701 is arranged at the upper end of the second box body 703; the water treatment unit 8 comprises a reverse osmosis host 801, a water softener 802, a multi-media filter 803, a salt tank 804, a precision filter 805, a pre-filter 806 and a support frame 807, wherein the pre-filter 806 is arranged at the bottom in the support frame 807, the reverse osmosis host 801, the water softener 802, the multi-media filter 803, the salt tank 804 and the precision filter 805 are arranged in the support frame 807, the reverse osmosis host 801, the water softener 802, the multi-media filter 803, the salt tank 804 and the pre-filter 806 are connected through electric wires, the water softener 802, the multi-media filter 803, the salt tank 804 and the pre-filter 806 are connected through pipelines, the whole set of equipment is assembled in an equipment box 9, and the generator set 10 is connected with all components through wires.
The process technology for treating the oil sludge comprises the following steps:
the method comprises the following steps: the system comprises a pre-stirring heating tank 1, wherein the pre-stirring heating tank 1 is used for adding an oil sludge demulsification agent and enzyme while heating and stirring to perform chemical demulsification;
step two: the vibrating screen 2 is used for vibrating and screening sundries such as stones larger than 3MM, the sundries are removed from the screen, and the undersize mud-water mixture flows into the storage tank;
step three: the hose conveying pump 3 is used for realizing the connection conveying of the vibration screening machine 2 and the ultrasonic demulsification unit 4 through a pipeline;
step four: the ultrasonic demulsification unit 4 is used for carrying out physical demulsification on the oil sludge again;
step five: the primary treatment tank 5 is used for carrying out precipitation separation on the demulsified oil sludge and water mixed liquid, discharging floating oil into an oil collecting and collecting tank, and pumping the soil and water into a centrifugal separator 6;
step six: the centrifugal separator 6 is used for thoroughly separating soil and water, the separated soil is sent out by a screw conveyor, and the separated water enters a secondary treatment box 7;
step seven: a secondary treatment tank 7, wherein the secondary treatment tank 7 is used for sucking out floating foam and conveying greasy-free water to a water treatment unit 8;
step eight: and the water treatment unit 8 is used for treating the separated water again by the water treatment unit 8 and removing clean water meeting the requirements.
The specific working process of the complete equipment for treating the oil sludge is as follows:
the method comprises the steps of pumping a mixed liquid of the sewage sludge and water with the solid content of 20-30 percent into a pre-stirring heating tank 1, adding a sludge demulsification agent and enzyme into the pre-stirring heating tank 1 while heating and stirring, carrying out chemical demulsification, pumping into a vibration screening machine 2, vibrating and screening out impurities such as stones larger than 3MM by the vibration screening machine 2, discharging from a screen, pumping the mixed liquid of the undersize sludge and water into an ultrasonic demulsification unit 4 by a hose conveying pump 3, carrying out physical demulsification on the oil sludge by the ultrasonic demulsification unit 4 again, conveying to a primary treatment tank 5, carrying out precipitation separation on the demulsified oil sludge and water mixed liquid by the primary treatment tank 5, discharging floating oil into an oil collection and collection tank, pumping the soil and water into a centrifugal separator 6, rotating the centrifugal separator 6 at a high speed in a differential mode, thoroughly separating the soil and water, conveying the separated soil by a screw conveyor, conveying the separated water into a, the secondary treatment box 7 sucks out floating foam, water without oil sludge is conveyed to the water treatment unit 8, the water treatment unit 8 treats the separated water again, clean water meeting requirements is removed, the whole set of equipment is assembled in the equipment box 9, and the generator set 10 provides power.
The present invention is explained below with reference to specific examples for a methanol synthesis device using membrane separation of purge gas from methanol synthesis to produce methanol from non-permeate gas.
Example (b):
the method comprises the following steps:
the method comprises the following steps: the system comprises a pre-stirring heating tank 1, wherein the pre-stirring heating tank 1 is used for adding an oil sludge demulsification agent and enzyme while heating and stirring to perform chemical demulsification;
step two: the vibrating screen 2 is used for vibrating and screening sundries such as stones larger than 3MM, the sundries are removed from the screen, and the undersize mud-water mixture flows into the storage tank;
step three: the hose conveying pump 3 is used for realizing the connection conveying of the vibration screening machine 2 and the ultrasonic demulsification unit 4 through a pipeline;
step four: the ultrasonic demulsification unit 4 is used for carrying out physical demulsification on the oil sludge again;
step five: the primary treatment tank 5 is used for carrying out precipitation separation on the demulsified oil sludge and water mixed liquid, discharging floating oil into an oil collecting and collecting tank, and pumping the soil and water into a centrifugal separator 6;
step six: the centrifugal separator 6 is used for thoroughly separating soil and water, the separated soil is sent out by a screw conveyor, and the separated water enters a secondary treatment box 7;
step seven: a secondary treatment tank 7, wherein the secondary treatment tank 7 is used for sucking out floating foam and conveying greasy-free water to a water treatment unit 8;
step eight: and the water treatment unit 8 is used for treating the separated water again by the water treatment unit 8 and removing clean water meeting the requirements.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The complete equipment for treating the oil sludge is characterized in that: including hose delivery pump (3), equipment box (9), generating set (10), the incasement opposite side of equipment box (9) is provided with water treatment unit (8), and one side of water treatment unit (8) is connected with secondary treatment case (7), secondary treatment case (7) one side is connected with centrifuge (6), and one side of centrifuge (6) is connected with once handles case (5), one side of once handling case (5) is connected with ultrasonic demulsification unit (4), and one side of ultrasonic demulsification unit (4) is connected with hose delivery pump (3), the one end of hose delivery pump (3) is connected with vibration screening machine (2), and one side of vibration screening machine (2) is connected with stirs heating tank (1) in advance, the opposite side of equipment box (9) is provided with generating set (10).
2. The sludge treatment plant of claim 1 wherein: the pre-stirring heating tank (1) comprises a stirrer (101), a heat preservation box body (102), an electromagnetic heating chassis (103) and a first conveying pump (104), wherein the electromagnetic heating chassis (103) is arranged at the bottom of the heat preservation box body (102), the stirrer (101) is arranged at the upper end of the heat preservation box body (102), and the first conveying pump (104) is arranged on the side wall of the heat preservation box body (102).
3. The sludge treatment plant of claim 2 wherein: vibration screening machine (2) are including shale shaker body (201), vibrating motor (202), first frame (203), and the upper end of first frame (203) is provided with vibrating motor (202), and vibrating motor (202) are connected with shale shaker body (201), shale shaker body (201) are connected with first delivery pump (104) of stirring heating jar (1) in advance, and shale shaker body (201) are connected with the bin of hose delivery pump (3).
4. The sludge treatment plant of claim 3 wherein: the ultrasonic demulsification unit (4) comprises an ultrasonic generator (401) and a demulsification cavity (402), the upper end of the demulsification cavity (402) is connected with the ultrasonic generator (401), and a hose of the hose delivery pump (3) is connected to a side wall pipe orifice of the demulsification cavity (402).
5. The sludge treatment plant of claim 4 wherein: the primary treatment box (5) comprises a first box body (501), a sedimentation sloping plate (502), an oil skimmer (503), an electric heater (504) and a conveying pipeline (505), the sedimentation sloping plate (502) is arranged in the first box body (501), the oil skimmer (503) is arranged on the edge of the upper end of the first box body (501), the electric heater (504) is inserted and connected to the lower portion of the side wall of the first box body (501), the conveying pipeline (505) is arranged on the lower portion of the side wall of the first box body (501), the first box body (501) is connected with a demulsification cavity (402) of an ultrasonic demulsification unit (4) through a pipeline, the centrifugal separator (6) comprises a control cabinet (601), a differential rotary drum (602), a differential mechanism (603), a motor (604) and a second frame (605), the differential rotary drum (602) is arranged on the upper end of the second frame (605), and one end of the differential rotary drum (602, and one end of the differential (603) is connected with a motor (604), the edge of the upper end of the second frame (605) is provided with a control cabinet (601), and the differential rotary drum (602) is connected with a conveying pipeline (505) of the primary treatment box (5).
6. The sludge treatment plant of claim 5 wherein: the secondary treatment box (7) comprises a foam suction part (701), a flat plate precipitator (702) and a second box body (703), the flat plate precipitator (702) is arranged in the second box body (703), and the foam suction part (701) is arranged at the upper end of the second box body (703).
7. The sludge treatment plant of claim 6 wherein: the water treatment unit (8) comprises a reverse osmosis host (801), a water softener (802), a multi-media filter (803), a salt box (804), a precision filter (805), a pre-filter (806) and a support frame (807), wherein the pre-filter (806) is arranged at the bottom in the support frame (807), the reverse osmosis host (801), the water softener (802), the multi-media filter (803), the salt box (804) and the precision filter (805) are arranged in the support frame (807), the reverse osmosis host (801), the water softener (802), the multi-media filter (803), the salt box (804) and the pre-filter (806) of the precision filter (805) are connected through electric wires, and the water softener (802), the multi-media filter (803), the salt box (804) and the pre-filter (806) of the precision filter (805) are connected through pipelines, the whole set of equipment is assembled in an equipment box (9), and a generator set (10) is connected with all components through wires.
8. The technology for treating the oil sludge is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: the oil sludge demulsification device comprises a pre-stirring heating tank (1), wherein an oil sludge demulsification agent and enzyme are added into the pre-stirring heating tank (1) while heating and stirring, so as to carry out chemical demulsification;
step two: the vibrating screen machine (2) is used for vibrating and screening impurities such as stones larger than 3MM, the impurities are removed from the screen, and the mud-water mixture under the screen flows into the storage tank;
step three: the hose conveying pump (3) is used for realizing the connection conveying of the vibration screening machine (2) and the ultrasonic demulsification unit (4) through a pipeline;
step four: the ultrasonic demulsification unit (4) is used for carrying out physical demulsification on the oil sludge again;
step five: the primary treatment tank (5) is used for precipitating and separating the mixed liquid of the oil sludge and the water after the emulsion breaking, the floating oil is discharged and enters an oil collecting tank, and the soil and the water are pumped into a centrifugal separator (6);
step six: the centrifugal separator (6) is used for thoroughly separating soil and water, the separated soil is sent out by the screw conveyor, and the separated water enters the secondary treatment tank (7);
step seven: a secondary treatment tank (7), the secondary treatment tank (7) being used to suck out floating foam and to convey the non-greasy water to the water treatment unit (8);
step eight: and the water treatment unit (8) is used for treating the separated water again by the water treatment unit (8) and removing clean water meeting the requirements.
CN202010228194.6A 2020-04-02 2020-04-02 Oil sludge treatment process technology and complete equipment Pending CN111410388A (en)

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CN202010228194.6A CN111410388A (en) 2020-04-02 2020-04-02 Oil sludge treatment process technology and complete equipment

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Application Number Priority Date Filing Date Title
CN202010228194.6A CN111410388A (en) 2020-04-02 2020-04-02 Oil sludge treatment process technology and complete equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114933400A (en) * 2022-05-11 2022-08-23 国家石油天然气管网集团有限公司 Oil sludge harmless treatment device

Citations (9)

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