CN214457218U - Pretreatment device for oil field oil extraction wastewater - Google Patents
Pretreatment device for oil field oil extraction wastewater Download PDFInfo
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- CN214457218U CN214457218U CN202023279312.0U CN202023279312U CN214457218U CN 214457218 U CN214457218 U CN 214457218U CN 202023279312 U CN202023279312 U CN 202023279312U CN 214457218 U CN214457218 U CN 214457218U
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- waste water
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- 239000002351 wastewater Substances 0.000 title claims abstract description 90
- 238000000605 extraction Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 67
- 238000005086 pumping Methods 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 5
- 238000007789 sealing Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 6
- 238000001471 micro-filtration Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of wastewater treatment, and discloses a pretreatment device for oil field oil extraction wastewater, which comprises a wastewater block and an oil discharge pipeline, wherein a wastewater cavity is arranged inside the wastewater block, a stabilizing block is fixedly connected with the lower side of the left end of the wastewater block, a stabilizing cavity is arranged inside the stabilizing block, a water suction pump is fixedly connected with the top end of the stabilizing block, a water outlet pipeline is arranged at the left end water outlet of the water suction pump, a stabilizing through hole penetrating into the stabilizing cavity is arranged at the top end of the stabilizing block, the other end of the water outlet pipeline penetrates through the stabilizing through hole to enter into the stabilizing cavity, a water outlet through hole penetrating into the stabilizing cavity is arranged at the lower side of the left end of the stabilizing block, the right end of the oil discharge pipeline is hermetically and fixedly connected to the inside of the water outlet through hole, and a motor block is pushed by a hydraulic pump to enable an adsorption filter plate, the oil on the surface can be pumped by the pumping action of the water pump.
Description
Technical Field
The utility model relates to a waste water treatment technical field specifically is a preprocessing device of oil field oil recovery waste water.
Background
As is well known, the pretreatment of wastewater is a pretreatment facility which is set according to the requirements of the subsequent treatment process on the water quality before the wastewater enters the traditional sedimentation, biological treatment and the like, and is the throat of a sewage treatment plant.
The utility model discloses a through retrieving chinese patent publication CN 201817344U's utility model patent discloses a preprocessing device of oil field oil recovery waste water, including the water tank, the raw water pump adds the medicine measuring pump, first order microfiltration membrane subassembly, milipore filter subassembly, raw water pump manometer, the flowmeter, its characterized in that second level microfiltration subassembly in addition between first order microfiltration membrane subassembly and ultrafiltration membrane subassembly, first order microfiltration membrane subassembly export links to each other with second level microfiltration subassembly import, second level microfiltration subassembly exit linkage milipore filter subassembly import, milipore filter subassembly export links to each other with next membrane separation system, can make the long-term steady operation of whole integrated membrane system.
The above prior art solutions still have the following drawbacks: the oil in the wastewater is not convenient to separate, and the pretreatment device for the oil extraction wastewater in the oil field is provided for solving the defects.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to prior art not enough, the utility model provides an oil field wastewater from oil recovery's preprocessing device has solved the problem of the oil of being not convenient for to separate in the waste water.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the pretreatment device for the oil extraction wastewater in the oil field comprises a wastewater block and an oil discharge pipeline, wherein a wastewater cavity is arranged inside the wastewater block, a stabilizing block is fixedly connected to the lower side of the left end of the wastewater block, a stabilizing cavity is arranged inside the stabilizing block, a water suction pump is fixedly connected to the top end of the stabilizing block, a water outlet pipeline is arranged at a water outlet at the left end of the water suction pump, a stabilizing through hole penetrating into the stabilizing cavity is formed in the top end of the stabilizing block, the other end of the water outlet pipeline penetrates through the stabilizing through hole to enter the stabilizing cavity, a water outlet through hole penetrating into the stabilizing cavity is formed in the lower side of the left end of the stabilizing block, the right end of the oil discharge pipeline is hermetically and fixedly connected to the inside of the water outlet through hole, a wastewater through hole penetrating into the wastewater cavity is formed in the left end of the wastewater block, and a water suction pipe is arranged at a water suction port at the right end of the water suction pump, the right end of the water pumping pipeline is sealed and fixedly connected to the inside of the waste water through hole, the right end of the water pumping pipeline is provided with a water pumping hose, the bottom end of the water pumping hose is provided with a floating plate, the bottom end of the floating plate is provided with a plurality of oil pumping through holes connected to the inside of the water pumping hose, the upper side of the left end of the waste water block is fixedly connected with a hydraulic pump, the top end of the hydraulic pump is provided with a push rod, the top end of the push rod is fixedly connected with a motor block, the inside of the motor block is provided with a motor cavity, the left side of the top end inside the motor cavity is fixedly connected with a stabilizing motor, the bottom end of the stabilizing motor is provided with a stabilizing output shaft, the bottom end of the stabilizing output shaft is fixedly connected with a driving belt pulley, the top end inside the motor cavity is rotatably connected with a first rotating rod, and the outer wall of the top end of the first rotating rod is sleeved with a driven belt pulley, a transmission belt is arranged between the driven belt pulley and the driving belt pulley, a second rotating rod is rotatably connected to the right side of the top end in the motor cavity, a driven gear is sleeved and fixedly connected on the outer wall of the top end of the second rotating rod, a driving gear is sleeved and fixedly connected on the outer wall of the top end of the first rotating rod, the driving gear is meshed with the driven gear, two motor through holes penetrating into the motor cavity are arranged at the bottom end of the motor block, the bottom ends of the first rotating rod and the second rotating rod respectively penetrate through the motor through hole, the top end of the waste water block is provided with a waste water through groove penetrating into the waste water chamber, the bottom ends of the first rotating rod and the second rotating rod penetrate through the waste water through groove and extend into the waste water chamber, and the left end and the right-hand member of first dwang and second dwang all are provided with adsorption and filtration board, the right-hand member upside of waste water piece is provided with the feeding pipeline.
Preferably, the top of waste water piece is provided with first supporting shoe, the bottom right side of motor piece is provided with the second supporting shoe, the inside of second supporting shoe is provided with supports the cavity, the bottom of second supporting shoe is provided with and runs through the inside support opening that supports the cavity, the inside that supports the cavity is stretched into to the support opening is passed on the top of first supporting shoe to the top fixedly connected with pressure block of first supporting shoe, the top of pressure block is provided with stabilizing spring, stabilizing spring's top and the inside top fixed connection of support cavity.
Preferably, the top of feeding pipeline is provided with the pan feeding funnel, the top of pan feeding funnel is provided with the wire net, the left end of feeding pipeline is provided with the filter screen.
Preferably, the right-hand member downside of waste water piece is provided with drainage pipe, be provided with drainage valve on the drainage pipe.
Preferably, an oil outlet valve is arranged on the oil discharge pipeline.
Preferably, the front end of the waste water block is provided with an observation port penetrating into the waste water chamber, and toughened glass is arranged inside the observation port.
(III) advantageous effects
Compared with the prior art, the utility model provides an oil field oil recovery waste water's preprocessing device possesses following beneficial effect: by pouring the waste water into the material inlet pipeline, because the density of the oil is less than that of the water, the oil can float above the water, the floating plate and the water pumping hose material can float on the water, the oil floating on the water can float on the oil through the floating plate, the operation of the water pumping pump can pump the oil floating on the water into the stable cavity, the oil can be discharged through the water outlet pipeline, the hydraulic pump contracts to enable the push rod to descend, the push rod drives the motor block to descend, the bottom ends of the first rotating rod and the second rotating rod are driven to be close to the bottom end inside the waste water cavity, the stable output shaft is driven to rotate through the operation of the stable motor, the stable output shaft drives the driving belt pulley to rotate, the driving belt pulley drives the driven belt pulley to rotate, the driven belt pulley drives the first rotating rod to rotate, the first rotating rod drives the second rotating rod to rotate through the meshing of the driving gear and the driven gear, the rotation of first dwang and second dwang drives the impurity that the adsorption and filtration board can adsorb the aquatic, and the promotion of hydraulic pump is raised the motor piece, makes the adsorption and filtration board spill to it washs, can extract oil on the surface under the effect of pumpinging through the suction pump.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the driving gear and the driven gear in a top view according to the present invention;
fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. a waste water block; 2. an oil discharge pipe; 3. a stabilizing block; 4. a water pump; 5. a water outlet pipeline; 6. A water pumping pipeline; 7. a water pumping hose; 8. a floating plate; 9. a hydraulic pump; 10. a push rod; 11. a motor block; 12. stabilizing the motor; 13. a drive pulley; 14. a first rotating lever; 15. a driven pulley; 16. A drive belt; 17. a second rotating lever; 18. a driven gear; 19. a driving gear; 20. an adsorption filter plate; 21. a feeding pipeline; 22. a first support block; 23. a second support block; 24. a stabilizing spring; 25. A pressure block; 26. a feeding funnel; 27. steel wire mesh; 28. a filter screen; 29. a water discharge pipeline; 30. a drain valve; 31. an oil outlet valve; 32. and (4) tempering the glass.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a pretreatment device for oil extraction wastewater in oil field comprises a wastewater block 1 and an oil extraction pipeline 2, wherein a wastewater cavity is arranged inside the wastewater block 1, a stabilizing block 3 is fixedly connected to the lower side of the left end of the wastewater block 1, a stabilizing cavity is arranged inside the stabilizing block 3, a water suction pump 4 is fixedly connected to the top end of the stabilizing block 3, a water outlet pipe 5 is arranged at the water outlet of the left end of the water suction pump 4, a stabilizing through hole penetrating into the stabilizing cavity is arranged at the top end of the stabilizing block 3, the other end of the water outlet pipe 5 penetrates through the stabilizing through hole and enters into the stabilizing cavity, a water outlet through hole penetrating into the stabilizing cavity is arranged on the lower side of the left end of the stabilizing block 3, the right end of the oil extraction pipeline 2 is hermetically and fixedly connected to the inside of the water outlet through hole, a wastewater through hole penetrating into the wastewater cavity is arranged at the left end of the wastewater block 1, a water suction port at the right end of the water suction pump 4 is provided with a water suction pipeline 6, the right end of the water pumping pipeline 6 is fixedly connected to the inside of the waste water through hole in a closed manner, the right end of the water pumping pipeline 6 is provided with a water pumping hose 7, the bottom end of the water pumping hose 7 is provided with a floating plate 8, the bottom end of the floating plate 8 is provided with a plurality of oil pumping through holes connected to the inside of the water pumping hose 7, the upper side of the left end of the waste water block 1 is fixedly connected with a hydraulic pump 9, the top end of the hydraulic pump 9 is provided with a push rod 10, the top end of the push rod 10 is fixedly connected with a motor block 11, the inside of the motor block 11 is provided with a motor cavity, the left side of the top end inside the motor cavity is fixedly connected with a stabilizing motor 12, the bottom end of the stabilizing motor 12 is provided with a stabilizing output shaft, the bottom end of the stabilizing output shaft is fixedly connected with a driving belt pulley 13, the top end inside the motor cavity is rotatably connected with a first rotating rod 14, and the outer wall of the top end of the first rotating rod 14 is fixedly connected with a driven belt pulley 15 in a sleeved manner, a transmission belt 16 is arranged between the driven belt pulley 15 and the driving belt pulley 13, the right side of the top end in the motor cavity is rotatably connected with a second rotating rod 17, the outer wall of the top end of the second rotating rod 17 is sleeved and fixedly connected with a driven gear 18, the outer wall of the top end of the first rotating rod 14 is sleeved and fixedly connected with a driving gear 19, the driving gear 19 is meshed with the driven gear 18, the bottom end of the motor block 11 is provided with two motor through holes penetrating into the motor cavity, the bottom ends of the first rotating rod 14 and the second rotating rod 17 respectively penetrate through the motor through holes, the top end of the wastewater block 1 is provided with a wastewater through groove penetrating into the wastewater cavity, the bottom ends of the first rotating rod 14 and the second rotating rod 17 penetrate through the wastewater through groove and extend into the wastewater cavity, the left end and the right end of the first rotating rod 14 and the second rotating rod 17 are both provided with adsorption filter plates 20, and the upper side of the right end of the wastewater block 1 is provided with a feeding pipeline 21, by pouring the waste water into the material inlet pipeline 21, because the density of the oil is smaller than that of the water, the oil floats above the water, the materials of the floating plate 8 and the water pumping hose 7 can also float on the water, the oil floats on the oil through the floating plate 8, the oil floating on the water is pumped into the stable chamber through the operation of the water pumping pump 4 and can be discharged through the water outlet pipeline 5, the contraction of the hydraulic pump 9 causes the push rod 10 to descend, the push rod 10 drives the motor block 11 to descend, the bottom ends of the first rotating rod 14 and the second rotating rod 17 are driven to be close to the bottom end inside the waste water chamber, the stable output shaft is driven to rotate through the operation of the stable motor 12, the stable output shaft drives the driving belt pulley 13 to rotate, the driving belt pulley 13 drives the driven belt pulley 15 to rotate through the transmission belt 16, the driven belt pulley 15 drives the first rotating rod 14 to rotate, the first rotating rod 14 drives the second rotating rod 17 to rotate through the meshing of the driving gear 19 and the driven gear rotating rod 18, the rotation of the first rotating rod 14 and the second rotating rod 17 drives the adsorption filter plate 20 to adsorb impurities in water, the motor block 11 is lifted by the pushing of the hydraulic pump 9, so that the adsorption filter plate 20 leaks out and is cleaned, and oil on the surface can be extracted under the pumping action of the water suction pump 4.
It is also necessary to supplement that the top end of the waste water block 1 is provided with a first supporting block 22, the right side of the bottom end of the motor block 11 is provided with a second supporting block 23, a supporting chamber is arranged inside the second supporting block 23, the bottom end of the second supporting block 23 is provided with a supporting opening penetrating through the supporting chamber, the top end of the first supporting block 22 penetrates through the supporting opening and extends into the supporting chamber, the top end of the first supporting block 22 is fixedly connected with a pressure block 25, the top end of the pressure block 25 is provided with a stabilizing spring 24, the top end of the stabilizing spring 24 is fixedly connected with the top end inside the supporting chamber, the second supporting block 23 is lifted through the operation of the hydraulic pump 9, the first supporting block 22 can not fall off inside the supporting chamber through the installation of the stabilizing spring 24, so as to reduce the instability of the motor block 11 during the lifting and descending, the top end of the feeding pipeline 21 is provided with a feeding funnel 26, the top of pan feeding funnel 26 is provided with wire net 27, the left end of charging pipe 21 is provided with filter screen 28, reduce the inside that too big impurity got into the waste water cavity, the right-hand member downside of waste water piece 1 is provided with drainage pipe 29, be provided with drainage valve 30 on drainage pipe 29, be provided with out oil valve 31 on the oil drain pipe 2, can carry out convenient taking to the waste oil of stabilizing the inside storage of cavity through the installation of out oil valve 31, the front end of waste water piece 1 is provided with the viewing aperture that runs through the waste water cavity inside, the inside of viewing aperture is provided with toughened glass 32, but the situation of waste water cavity inside through-hole viewing aperture set up clear looking over.
When the device is used, firstly, wastewater is poured into the feeding pipeline 21, because the density of oil is less than that of water, oil floats above water, the materials of the floating plate 8 and the water pumping hose 7 can also float on water, then the floating plate 8 floats on the oil, the oil floating on water is pumped into the stable chamber by the operation of the water pumping pump 4 and can be discharged through the water outlet pipeline 5, the hydraulic pump 9 is contracted to enable the push rod 10 to descend, the push rod 10 drives the motor block 11 to descend to drive the bottom ends of the first rotating rod 14 and the second rotating rod 17 to be close to the bottom end of the wastewater chamber, the stable output shaft is driven to rotate by the operation of the stable motor 12, the stable output shaft drives the driving belt pulley 13 to rotate, the driving belt pulley 13 drives the driven belt pulley 15 to rotate through the transmission belt 16, the driven belt pulley 15 drives the first rotating rod 14 to rotate, the first rotating rod 14 drives the second rotating rod 17 to rotate through the meshing of the driving gear 19 and the driven gear 18, the first rotating rod 14 and the second rotating rod 17 rotate to drive the adsorption filter plate 20 to adsorb impurities in water, the motor block 11 is lifted by the pushing of the hydraulic pump 9, the adsorption filter plate 20 is leaked and cleaned, and oil on the surface can be extracted under the pumping action of the water suction pump 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an oil field oil recovery waste water's preprocessing device, includes waste water piece (1), oil extraction pipeline (2), its characterized in that: the waste water treatment device is characterized in that a waste water cavity is arranged inside the waste water block (1), a stabilizing block (3) is fixedly connected to the lower side of the left end of the waste water block (1), a stabilizing cavity is arranged inside the stabilizing block (3), a water suction pump (4) is fixedly connected to the top end of the stabilizing block (3), a water outlet pipe (5) is arranged at the water outlet of the left end of the water suction pump (4), a stabilizing through hole penetrating into the stabilizing cavity is formed in the top end of the stabilizing block (3), the other end of the water outlet pipe (5) penetrates through the stabilizing through hole to enter the stabilizing cavity, a water outlet through hole penetrating into the stabilizing cavity is formed in the lower side of the left end of the stabilizing block (3), the right end of the oil discharge pipe (2) is fixedly connected to the inside of the water outlet through hole in a sealing manner, a waste water through hole penetrating into the waste water cavity is formed in the left end of the waste water block (1), a water suction port of the right end of the water suction pump (4) is provided with a water suction pipe (6), the right end of the water pumping pipeline (6) is fixedly connected to the inside of the waste water through hole in a sealed mode, the right end of the water pumping pipeline (6) is provided with a water pumping hose (7), the bottom end of the water pumping hose (7) is provided with a floating plate (8), the bottom end of the floating plate (8) is provided with a plurality of oil pumping through holes connected to the inside of the water pumping hose (7), the upper side of the left end of the waste water block (1) is fixedly connected with a hydraulic pump (9), the top end of the hydraulic pump (9) is provided with a push rod (10), the top end of the push rod (10) is fixedly connected with a motor block (11), the inside of the motor block (11) is provided with a motor cavity, the left side of the top end inside the motor cavity is fixedly connected with a stabilizing motor (12), the bottom end of the stabilizing motor (12) is provided with a stabilizing output shaft, and the bottom end of the stabilizing output shaft is fixedly connected with a driving belt pulley (13), the motor comprises a motor cavity, wherein a first rotating rod (14) is connected to the top end inside the motor cavity in a rotating manner, a driven belt pulley (15) is fixedly connected to the top end outer wall of the first rotating rod (14) in a sleeved manner, a transmission belt (16) is arranged between the driven belt pulley (15) and a driving belt pulley (13), a second rotating rod (17) is connected to the top end right side inside the motor cavity in a rotating manner, a driven gear (18) is fixedly connected to the top end outer wall of the second rotating rod (17) in a sleeved manner, a driving gear (19) is fixedly connected to the top end outer wall of the first rotating rod (14) in a sleeved manner, the driving gear (19) is meshed with the driven gear (18), two motor through holes penetrating through the motor cavity are formed in the bottom end of a motor block (11), and the motor through holes are respectively penetrated through the bottom ends of the first rotating rod (14) and the second rotating rod (17), the top of waste water piece (1) is provided with the waste water that runs through to waste water cavity inside and leads to the groove, the bottom of first dwang (14) and second dwang (17) is passed the waste water and is led to the inside that the groove stretched into the waste water cavity to the left end and the right-hand member of first dwang (14) and second dwang (17) all are provided with adsorption and filtration board (20), the right-hand member upside of waste water piece (1) is provided with material pipeline (21).
2. The pretreatment device of the oil field wastewater from oil production according to claim 1, wherein: the top of waste water piece (1) is provided with first supporting block (22), the bottom right side of motor piece (11) is provided with second supporting block (23), the inside of second supporting block (23) is provided with supports the cavity, the bottom of second supporting block (23) is provided with the support opening that runs through to support the cavity inside, the top of first supporting block (22) is passed and is supported the inside that the opening stretched into the support cavity to the top fixedly connected with pressure piece (25) of first supporting block (22), the top of pressure piece (25) is provided with stabilizing spring (24), the top and the inside top fixed connection of support cavity of stabilizing spring (24).
3. The pretreatment device of the oil field wastewater from oil production according to claim 2, wherein: the top of feeding pipeline (21) is provided with pan feeding funnel (26), the top of pan feeding funnel (26) is provided with wire net (27), the left end of feeding pipeline (21) is provided with filter screen (28).
4. The pretreatment device of the oil field wastewater from oil production according to claim 3, wherein: the waste water treatment device is characterized in that a drainage pipeline (29) is arranged on the lower side of the right end of the waste water block (1), and a drainage valve (30) is arranged on the drainage pipeline (29).
5. The pretreatment device of the oil field wastewater from oil production according to claim 4, wherein: an oil outlet valve (31) is arranged on the oil discharge pipeline (2).
6. The pretreatment device of the oil field wastewater from oil production according to claim 5, wherein: the front end of the waste water block (1) is provided with an observation port penetrating into the waste water chamber, and toughened glass (32) is arranged inside the observation port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023279312.0U CN214457218U (en) | 2020-12-29 | 2020-12-29 | Pretreatment device for oil field oil extraction wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023279312.0U CN214457218U (en) | 2020-12-29 | 2020-12-29 | Pretreatment device for oil field oil extraction wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214457218U true CN214457218U (en) | 2021-10-22 |
Family
ID=78109085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023279312.0U Expired - Fee Related CN214457218U (en) | 2020-12-29 | 2020-12-29 | Pretreatment device for oil field oil extraction wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214457218U (en) |
-
2020
- 2020-12-29 CN CN202023279312.0U patent/CN214457218U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |