CN214693602U - Improved partition system of biochemical pool in secondary biochemical pool - Google Patents

Improved partition system of biochemical pool in secondary biochemical pool Download PDF

Info

Publication number
CN214693602U
CN214693602U CN202022587790.1U CN202022587790U CN214693602U CN 214693602 U CN214693602 U CN 214693602U CN 202022587790 U CN202022587790 U CN 202022587790U CN 214693602 U CN214693602 U CN 214693602U
Authority
CN
China
Prior art keywords
pool
wastewater
pipeline
base
delivery pump
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.)
Active
Application number
CN202022587790.1U
Other languages
Chinese (zh)
Inventor
张凯
周春海
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.)
Suzhou Zhongsheng Environmental Remediation Co ltd
Original Assignee
Suzhou Zhongsheng Environmental Remediation 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 Suzhou Zhongsheng Environmental Remediation Co ltd filed Critical Suzhou Zhongsheng Environmental Remediation Co ltd
Priority to CN202022587790.1U priority Critical patent/CN214693602U/en
Application granted granted Critical
Publication of CN214693602U publication Critical patent/CN214693602U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Biological Treatment Of Waste Water (AREA)

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a partition system of a secondary biochemical pool improved biochemical pool, which improves the working efficiency of workers and the practicability; still include the base, the top of base is provided with waste water neutralization pond, the top of base is connected with the bottom in waste water neutralization pond, the right-hand member in waste water neutralization pond is provided with the waste water delivery pump, the right-hand member in waste water neutralization pond is connected with the left end of waste water delivery pump, the input of waste water delivery pump is provided with the extraction pipeline, the input and the output of extraction pipeline of waste water delivery pump are connected, the output of waste water delivery pump is provided with pipeline, the output and the pipeline's of waste water delivery pump input are connected, the right-hand member of base is provided with hybrid motor, the right-hand member of base and hybrid motor's left end are connected, hybrid motor's output is provided with the axis of rotation, hybrid motor's output and the output of axis of rotation are connected, the left end of axis of rotation passes the right-hand member in waste water neutralization pond.

Description

Improved partition system of biochemical pool in secondary biochemical pool
Technical Field
The utility model relates to a technical field of waste water treatment especially relates to a biochemical pond subregion system of second phase biochemical pond improvement.
Background
It is known that biochemical tanks provide a time program of sewage treatment, rather than a continuously provided spatial program of sewage treatment. The biochemical pond system does not need a primary sedimentation tank, a secondary sedimentation tank and a sludge backflow system, and has ideal static sedimentation and good separation effect. The device can be applied to chemical industry, petroleum, electric power, steel, spinning, printing and dyeing, transportation, storage, food brewing, fermentation, water treatment, seawater desalination and the like, workers need to treat wastewater, the pollution of the wastewater to the environment is reduced, but the wastewater treatment process is more complicated, the working efficiency of the workers is low, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a biochemical pond subregion system of two-stage biochemical pond improvement that promotes staff's work efficiency, improves the practicality.
The utility model discloses a biochemical pond partition system is improved in second phase biochemical pond, still include the base, the top of base is provided with waste water neutralization pond, the top of base is connected with the bottom in waste water neutralization pond, the right-hand member in waste water neutralization pond is provided with the waste water delivery pump, the right-hand member in waste water neutralization pond is connected with the left end of waste water delivery pump, the input of waste water delivery pump is provided with the extraction pipeline, the input of waste water delivery pump is connected with the output of extraction pipeline, the output of waste water delivery pump is provided with the pipeline, the output of waste water delivery pump is connected with the input of pipeline, the right-hand member of base is provided with hybrid motor, the right-hand member of base is connected with the left end of hybrid motor, the output of hybrid motor is provided with the axis of rotation, the output of hybrid motor is connected with the output of axis of rotation, the left end of axis of rotation passes the right-hand member in waste water neutralization pond, be provided with the multiunit stirring rake in the axis of rotation, the rotating shaft is connected with a plurality of groups of stirring paddles, the left end of the wastewater neutralization tank is provided with a first conveying pipeline, the wastewater neutralization tank is communicated with the first conveying pipeline, the top end of the base is provided with a filtering tank, the top end of the base is connected with the bottom end of the filtering tank, a plurality of groups of filter screen fixing frames are arranged in the filtering tank, the interior of the filtering tank is connected with the plurality of groups of filter screen fixing frames, filter screens are detachably arranged on the plurality of groups of filter screen fixing frames respectively, the output end of the filtering tank is provided with a second conveying pipeline, the output end of the filtering tank is connected with the input end of the second conveying pipeline, the top end of the base is provided with a sedimentation tank, the top end of the base is connected with the bottom end of the sedimentation tank, the output end of the second conveying pipeline is connected with the input end of the sedimentation tank, a plurality of groups of supporting rods are arranged at the bottom end of the sedimentation tank, a collection net layer is arranged at the top end of the plurality of groups of supporting rods, the right-hand member of sedimentation tank is provided with third pipeline, and the right-hand member of sedimentation tank is connected with third pipeline's left end, all is provided with the valve on first pipeline, second pipeline and the third pipeline.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, the top of base is provided with the detection pond, the top of base is connected with the bottom that detects the pond, third pipeline's output is connected with the input that detects the pond, the rear end that detects the pond is provided with the detector, the rear end that detects the pond is connected with the front end of detector, the output that detects the pond is provided with discharge pipe, the output that detects the pond is connected with discharge pipe's input, the last valve that is provided with of discharge pipe.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement is provided with the mount in the right-hand member in waste water neutralization pond, and the right-hand member in waste water neutralization pond is connected with the left end of mount, is provided with the through hole on the mount, and pipeline passes the through hole on the mount.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, both ends all are provided with two sets of first fixed plates about the detector, and both ends are connected with the first fixed plate of multiunit respectively about the detector.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, hybrid motor's top is provided with the three-color lamp, and hybrid motor's top is connected with the bottom of three-color lamp, and hybrid motor is connected with the three-color lamp electricity.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, hybrid motor's top is provided with the second fixed plate, and hybrid motor's top is connected with the bottom of second fixed plate, and the top of second fixed plate is connected with the bottom of tricolor light.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, the bottom of waste water delivery pump are provided with this support frame of two sets of triangles, and the bottom of waste water delivery pump is connected with the top of this support frame of two sets of triangles, and the top of this support frame of two sets of triangles is connected with the bottom of waste water delivery pump.
Compared with the prior art, the beneficial effects of the utility model are that: the waste water delivery pump is started firstly, the waste water delivery pump extracts waste water through an extraction pipeline, then the waste water delivery pump discharges the waste water into a waste water neutralization pond through a delivery pipeline, then the solvent is poured into the waste water neutralization pond, then the mixing motor is started, the mixing motor enables a stirring paddle to be stirred and mixed through driving a rotating shaft, a valve on a first delivery pipeline is opened after the mixing is completed, then the waste water is discharged into a filtering pond through the first delivery pipeline, then a valve on a second delivery pipeline is opened, the waste water is filtered through a plurality of groups of filter screens, the waste water enters the interior of the precipitating pond through the second delivery pipeline after the filtering is completed to be precipitated, sludge after the precipitation is completed is attached to a collection net layer, then a third delivery pipeline is opened to convey external equipment for treatment, the working efficiency of workers is improved, and the practicability is improved.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is a schematic side view of the present invention;
in the drawings, the reference numbers: 1. a base; 2. a wastewater neutralization pond; 3. a wastewater delivery pump; 4. a delivery conduit; 5. a hybrid motor; 6. a rotating shaft; 7. a stirring paddle; 8. a first delivery conduit; 9. a filtration tank; 10. a filter screen fixing frame; 11. a filter screen; 12. a second delivery conduit; 13. a sedimentation tank; 14. collecting the net layer; 15. a third delivery conduit; 16. a detection cell; 17. a detector; 18. a discharge conduit; 19. a fixed mount; 20. a first fixing plate; 21. a three-color plate; 22. a second fixing plate; 23. a triangular support frame.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the second-stage biochemical pool improved biochemical pool partition system of the present invention further comprises a base 1, the top end of the base 1 is provided with a wastewater neutralization pool 2, the top end of the base 1 is connected with the bottom end of the wastewater neutralization pool 2, the right end of the wastewater neutralization pool 2 is provided with a wastewater delivery pump 3, the right end of the wastewater neutralization pool 2 is connected with the left end of the wastewater delivery pump 3, the input end of the wastewater delivery pump 3 is provided with an extraction pipe, the input end of the wastewater delivery pump 3 is connected with the output end of the extraction pipe, the output end of the wastewater delivery pump 3 is provided with a delivery pipe 4, the output end of the wastewater delivery pump 3 is connected with the input end of the delivery pipe 4, the right end of the base 1 is provided with a mixing motor 5, the right end of the base 1 is connected with the left end of the mixing motor 5, the output end of the mixing motor 5 is provided with a rotation shaft 6, the output end of the mixing motor 5 is connected with the output end of the rotation shaft 6, the left end of a rotating shaft 6 penetrates through the right end of a wastewater neutralization tank 2, a plurality of groups of stirring paddles 7 are arranged on the rotating shaft 6, the rotating shaft 6 is connected with the plurality of groups of stirring paddles 7, a first conveying pipeline 8 is arranged at the left end of the wastewater neutralization tank 2, the wastewater neutralization tank 2 is communicated with the first conveying pipeline 8, a filtering tank 9 is arranged at the top end of a base 1, the top end of the base 1 is connected with the bottom end of the filtering tank 9, a plurality of groups of filter screen fixing frames 10 are arranged inside the filtering tank 9, the inside of the filtering tank 9 is connected with the plurality of groups of filter screen fixing frames 10, filter screens 11 are respectively and detachably arranged on the plurality of groups of filter screen fixing frames 10, a second conveying pipeline 12 is arranged at the output end of the filtering tank 9, the output end of the filtering tank 9 is connected with the input end of the second conveying pipeline 12, a sedimentation tank 13 is arranged at the top end of the base 1, the top end of the base 1 is connected with the bottom end of the sedimentation tank 13, and the output end of the second conveying pipeline 12 is connected with the input end of the sedimentation tank 13, a plurality of groups of support rods are arranged at the bottom end of the sedimentation tank 13, a collection net layer 14 is arranged at the top ends of the plurality of groups of support rods, the top ends of the plurality of groups of support rods are connected with the bottom end of the collection net layer 14, a third conveying pipeline 15 is arranged at the right end of the sedimentation tank 13, the right end of the sedimentation tank 13 is connected with the left end of the third conveying pipeline 15, and valves are arranged on the first conveying pipeline 8, the second conveying pipeline 12 and the third conveying pipeline 15; firstly, a wastewater delivery pump 3 is started, the wastewater delivery pump 3 pumps wastewater through an extraction pipeline, then the wastewater delivery pump 3 discharges the wastewater into a wastewater neutralization tank 2 through a delivery pipeline 4, then a solvent is poured into the wastewater neutralization tank 2, then a mixing motor 5 is started, the mixing motor 5 drives a rotating shaft 6 to stir and mix a stirring paddle 7, a valve on a first delivery pipeline 8 is opened after mixing is completed, then the wastewater is discharged into a filtering tank 9 through the first delivery pipeline 8, then a valve on a second delivery pipeline 12 is opened, the wastewater is filtered through a plurality of groups of filter screens 11, the wastewater enters a sedimentation tank 13 through the second delivery pipeline 12 after filtering is completed to be sedimentated, sludge after sedimentation is attached to a collection net layer 14, then a third delivery pipeline 15 is opened to be delivered to external equipment for treatment, and the working efficiency of workers is improved, the practicability is improved.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, the top of base 1 is provided with detection cell 16, the top of base 1 is connected with detection cell 16's bottom, the output of third pipeline 15 is connected with detection cell 16's input, detection cell 16's rear end is provided with detector 17, detection cell 16's rear end is connected with detector 17's front end, detection cell 16's output is provided with discharge line 18, detection cell 16's output is connected with discharge line 18's input, the last valve that is provided with of discharge line 18; moisture enters into inside the detection pond 16 through third pipeline 15, and later detector 17 detects the inside quality of water of detection pond 16, and the staff of being convenient for carries out the accuse to quality of water in real time, improves the practicality.
The utility model discloses a biochemical pond subregion system is improved in second phase biochemical pond, is provided with mount 19 in the right-hand member of waste water neutralization pond 2, and the right-hand member of waste water neutralization pond 2 is connected with the left end of mount 19, is provided with the through hole on the mount 19, and pipeline 4 passes the through hole on the mount 19; the fixing frame 19 can reduce the falling of the conveying pipeline 4 and improve the firmness.
The improved biochemical pool partition system of the second-stage biochemical pool of the utility model is characterized in that the left and right ends of the detector 17 are respectively provided with two groups of first fixing plates 20, and the left and right ends of the detector 17 are respectively connected with the groups of first fixing plates 20; the situation that the detector 17 falls off can be reduced by arranging the plurality of groups of first fixing plates 20, and the firmness is improved.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, the top of hybrid motor 5 is provided with three-color lamp 21, the top of hybrid motor 5 is connected with the bottom of three-color lamp 21, hybrid motor 5 is connected with three-color lamp 21 electricity; the working state of the hybrid motor 5 can be displayed by arranging the three-color lamp 21, and the practicability is improved.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, the top of hybrid motor 5 is provided with second fixed plate 22, and the top of hybrid motor 5 is connected with the bottom of second fixed plate 22, and the top of second fixed plate 22 is connected with the bottom of tricolor light 21; the second fixing plate 22 can reduce the falling of the supporting frame 23 of the triangle, and improve the firmness.
The utility model discloses a biochemical pond partition system is improved in second phase biochemical pond, the bottom of the waste water delivery pump 3 is provided with two sets of triangular support frames 23, the bottom of the waste water delivery pump 3 is connected with the top ends of the two sets of triangular support frames 23, and the top ends of the two sets of triangular support frames 23 are connected with the bottom end of the waste water delivery pump 3; the situation that the waste water conveying pump 3 falls off can be reduced by arranging the supporting frame 23 with the triangular structure, and the firmness is improved.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, it is at work, at first start waste water delivery pump 3, waste water delivery pump 3 extracts waste water through the extraction pipeline, then waste water delivery pump 3 discharges waste water into waste water neutralization pond 2 inside through pipeline 4, later pour the solvent into waste water neutralization pond 2 inside again, later start hybrid motor 5, hybrid motor 5 makes stirring rake 7 stir the mixture through driving axis of rotation 6, open the valve on first pipeline 8 after the mixture is accomplished, later waste water discharges to the inside filtering ponds 9 through first pipeline 8, later opening the valve on second pipeline 12, waste water filters through multiunit filter screen 11, get into the inside of sedimentation tank 13 through second pipeline 12 after the filtration is accomplished and precipitate, the mud after the completion of precipitation is attached to collecting net layer 14, then the third conveying pipeline 15 is opened to convey the wastewater to the detection pool 16, the rear detector 17 detects the water quality in the detection pool 16, a valve on the discharge pipeline 18 is opened after the detection is finished, and the wastewater is discharged to external treatment equipment through the discharge pipeline 18 to be treated.
The utility model discloses a biochemical pond subregion system of second phase biochemical pond improvement, its mounting means, connected mode or set up the mode and be common mechanical type, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The partition system of the improved biochemical pool of the secondary biochemical pool is characterized by further comprising a base (1), a wastewater neutralization pool (2) is arranged at the top end of the base (1), the top end of the base (1) is connected with the bottom end of the wastewater neutralization pool (2), a wastewater delivery pump (3) is arranged at the right end of the wastewater neutralization pool (2), the right end of the wastewater neutralization pool (2) is connected with the left end of the wastewater delivery pump (3), an extraction pipeline is arranged at the input end of the wastewater delivery pump (3), the input end of the wastewater delivery pump (3) is connected with the output end of the extraction pipeline, a delivery pipeline (4) is arranged at the output end of the wastewater delivery pump (3), the output end of the wastewater delivery pump (3) is connected with the input end of the delivery pipeline (4), a mixing motor (5) is arranged at the right end of the base (1), and the right end of the base (1) is connected with the left end of the mixing motor (5), the output end of the mixing motor (5) is provided with a rotating shaft (6), the output end of the mixing motor (5) is connected with the output end of the rotating shaft (6), the left end of the rotating shaft (6) penetrates through the right end of the wastewater neutralization tank (2), a plurality of groups of stirring paddles (7) are arranged on the rotating shaft (6), the rotating shaft (6) is connected with the plurality of groups of stirring paddles (7), the left end of the wastewater neutralization tank (2) is provided with a first conveying pipeline (8), the wastewater neutralization tank (2) is communicated with the first conveying pipeline (8), the top end of the base (1) is provided with a filtering tank (9), the top end of the base (1) is connected with the bottom end of the filtering tank (9), a plurality of groups of filtering net fixing frames (10) are arranged inside the filtering tank (9), the inside of the filtering tank (9) is connected with the plurality of groups of filtering net fixing frames (10), and the filtering nets (11) are respectively and detachably arranged on the plurality of groups of filtering net fixing frames (10), the output end of the filtering tank (9) is provided with a second conveying pipeline (12), the output end of the filtering tank (9) is connected with the input end of the second conveying pipeline (12), the top end of the base (1) is provided with a sedimentation tank (13), the top end of the base (1) is connected with the bottom end of the sedimentation tank (13), the output end of the second conveying pipeline (12) is connected with the input end of the sedimentation tank (13), the bottom end of the sedimentation tank (13) is provided with a plurality of groups of supporting rods, the top ends of the plurality of groups of supporting rods are provided with a collecting net layer (14), the top ends of the plurality of groups of supporting rods are connected with the bottom end of the collecting net layer (14), the right end of the sedimentation tank (13) is provided with a third conveying pipeline (15), the right end of the sedimentation tank (13) is connected with the left end of the third conveying pipeline (15), and the first conveying pipeline (8), valves are arranged on the second conveying pipeline (12) and the third conveying pipeline (15).
2. The improved biochemical pool partitioning system for the secondary biochemical pool according to claim 1, wherein the top end of the base (1) is provided with a detection pool (16), the top end of the base (1) is connected with the bottom end of the detection pool (16), the output end of the third conveying pipeline (15) is connected with the input end of the detection pool (16), the rear end of the detection pool (16) is provided with a detector (17), the rear end of the detection pool (16) is connected with the front end of the detector (17), the output end of the detection pool (16) is provided with a discharge pipeline (18), the output end of the detection pool (16) is connected with the input end of the discharge pipeline (18), and the discharge pipeline (18) is provided with a valve.
3. The partition system of the secondary biochemical pond improved biochemical pond according to claim 2, characterized in that a fixing frame (19) is arranged in the right end of the waste water neutralization pond (2), the right end of the waste water neutralization pond (2) is connected with the left end of the fixing frame (19), a through hole is arranged on the fixing frame (19), and the conveying pipeline (4) passes through the through hole on the fixing frame (19).
4. The improved biochemical pool partitioning system for the secondary biochemical pool according to claim 3, wherein two sets of first fixing plates (20) are disposed at both left and right ends of the detector (17), and the left and right ends of the detector (17) are respectively connected to the sets of first fixing plates (20).
5. The improved biochemical pool partitioning system for the secondary biochemical pool according to claim 4, wherein a three-color lamp (21) is disposed at the top end of the mixing motor (5), the top end of the mixing motor (5) is connected to the bottom end of the three-color lamp (21), and the mixing motor (5) is electrically connected to the three-color lamp (21).
6. The improved biochemical pool partitioning system for the secondary biochemical pool according to claim 5, wherein a second fixing plate (22) is disposed at a top end of the mixing motor (5), the top end of the mixing motor (5) is connected to a bottom end of the second fixing plate (22), and a top end of the second fixing plate (22) is connected to a bottom end of the three-color lamp (21).
7. The improved biochemical pool partitioning system for the secondary biochemical pool according to claim 6, wherein two sets of the triangular support frames (23) are provided at the bottom end of the wastewater delivery pump (3), the bottom end of the wastewater delivery pump (3) is connected to the top ends of the two sets of the triangular support frames (23), and the top ends of the two sets of the triangular support frames (23) are connected to the bottom end of the wastewater delivery pump (3).
CN202022587790.1U 2020-11-10 2020-11-10 Improved partition system of biochemical pool in secondary biochemical pool Active CN214693602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022587790.1U CN214693602U (en) 2020-11-10 2020-11-10 Improved partition system of biochemical pool in secondary biochemical pool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022587790.1U CN214693602U (en) 2020-11-10 2020-11-10 Improved partition system of biochemical pool in secondary biochemical pool

Publications (1)

Publication Number Publication Date
CN214693602U true CN214693602U (en) 2021-11-12

Family

ID=78523264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022587790.1U Active CN214693602U (en) 2020-11-10 2020-11-10 Improved partition system of biochemical pool in secondary biochemical pool

Country Status (1)

Country Link
CN (1) CN214693602U (en)

Similar Documents

Publication Publication Date Title
CN208200602U (en) A kind of rural sewage treatment purification device
CN216972207U (en) Sewage treatment equipment convenient for treating residues in sewage
CN216764552U (en) Sewage filtering device for sewage treatment
CN209940659U (en) High-efficient multistage flocculation and precipitation all-in-one device
CN214693602U (en) Improved partition system of biochemical pool in secondary biochemical pool
CN219194668U (en) Sewage treatment device for reducing excess sludge by activated sludge process
CN215798880U (en) Industrial wastewater ultrafiltration separation device
CN215756785U (en) Suspended matter removing device for industrial wastewater treatment
CN215855495U (en) Novel river sewage high efficiency is administered device
CN211595295U (en) Industrial wastewater treatment equipment
CN214880639U (en) Multistage sewage treatment device
CN213803482U (en) River sludge collecting and cleaning device
CN212610025U (en) Multistage oxidation treatment device for sewage
CN108689526A (en) A kind of Domestic environment-protection sewage-treatment plant
CN211536650U (en) High-efficiency flocculation mud scraper
CN110228872B (en) Mine water treatment device for underground coal mine
CN217677034U (en) High-efficiency water treatment device
CN112759128A (en) A high-efficient filter equipment for marine environment precipitate
CN213623635U (en) Energy-concerving and environment-protective type high-efficient sewage treatment device
CN220502729U (en) Dissolved air flotation machine
CN216426919U (en) Integrated water purification treatment device with clean water tank
CN214653992U (en) Sludge discharge device for sewage treatment
CN216295295U (en) Anaerobic sedimentation tank agitating unit
CN214422404U (en) Flocculation reaction sedimentation tank for sewage treatment
CN216273690U (en) Oily sludge pretreatment impurity removal integrated device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant