CN106957088B - Vertical cyclone graphene oily sewage treatment device - Google Patents
Vertical cyclone graphene oily sewage treatment device Download PDFInfo
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- CN106957088B CN106957088B CN201710184458.0A CN201710184458A CN106957088B CN 106957088 B CN106957088 B CN 106957088B CN 201710184458 A CN201710184458 A CN 201710184458A CN 106957088 B CN106957088 B CN 106957088B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 44
- 239000010865 sewage Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 238000009826 distribution Methods 0.000 claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 210000002747 omentum Anatomy 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- -1 graphite alkene Chemical class 0.000 claims 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 39
- 238000000605 extraction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004379 membrane Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
- C02F2301/026—Spiral, helicoidal, radial
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The invention provides a vertical swirl graphene oily sewage treatment device, wherein a tank body is a vertical cylindrical sealed container, and the top of the tank body is a nitrogen inlet; the upper part of the tank body is provided with a plurality of oily sewage inlets; a peripheral baffle is fixedly connected below the liquid connection port at the upper part of the tank body, and a graphene-based net film is fixedly connected below the baffle; the bottom of the cone is a flat bottom container; a water outlet is arranged below the tank body; the oily sewage inlet is connected with a water distribution pipe through a water pipeline, a plurality of nozzles are arranged on the water distribution pipe, and the openings of the nozzles are slightly inclined downwards; the water distribution cavity in the device is a cone formed by a baffle plate and a graphene-based net film, the oil collecting cavity is a flat bottom container at the bottom of the cone, and the water producing cavity is a tank cavity below the cone; the advantages are that: the oil removal efficiency is high, the occupied area is small, the pollution resistance is strong, the requirement on the quality of inflow water is wide, the oil field sewage working condition can be well adapted, and the matched treatment process flow is simple.
Description
Technical Field
The invention relates to the technical field of oil field oil extraction sewage treatment, in particular to a device for removing oil and suspended matters from oil extraction sewage.
Background
Along with the diversification of oil reservoir development modes, the continuous application of new oil extraction technology is realized, the continuous improvement of the extraction degree leads to the more and more complex extraction liquid, the more and more extraction water is processed, the difficulty of treatment is increased, and the adaptability of the conventional sewage process flow of two-stage oil removal and two-stage filtration is further improved.
The conventional gravity oil removal facility in the oil-containing sewage treatment system has the problems of low oil removal efficiency, large occupied area and the like. The common filtering equipment comprises a walnut shell filter, a silicon carbide filter, a double-filter-material filter, a multi-medium filter and the like, but the water inlet requirements of the filters are high, the filtering materials are easy to block, the backwashing regeneration effect is poor, the anti-pollution capability is poor, the filter material is frequently replaced, and the whole set of treatment system keeps stable and smooth operation with higher difficulty.
Graphene is a two-dimensional carbon material with a monoatomic layer, is in a hexagonal honeycomb structure, and has the characteristics of strong adsorption performance, ultrahigh electron mobility, high mechanical strength, high specific surface area and the like. Based on the excellent performance of graphene, the graphene has the characteristics of hydrophilicity and oleophobicity through modification, the modified graphene is compounded with the net film base material by adopting a special process, so that the wettability of the surface of the film material can be changed, the oil-water separation performance of the film material is effectively improved, water can pass through quickly, and crude oil and suspended solid particles cannot pass through easily. Graphene membranes have been widely used in the fields of municipal sewage treatment, river water treatment, chemical plant sewage treatment, and the like.
At present, application research of the technology in the field of oilfield sewage treatment is still in an exploration stage, and the aspects of oil resistance, pollution resistance, inflow water quality requirements and the like of the graphene film need to be further verified so as to realize popularization and application of the technology in oilfield oily sewage treatment.
Disclosure of Invention
The invention aims to provide a vertical cyclone type graphene oily sewage treatment device, which is used for avoiding the defects of the prior art.
The novel technical scheme of the invention is as follows: the vertical swirl graphene oily sewage treatment device comprises a tank body, a water distribution pipe, a baffle plate, a graphene-based net film, a water pipeline and an oil pipeline, wherein the tank body is a vertical cylindrical sealed container, and a gas connection port is formed in the top of the tank body and is a nitrogen inlet; the upper part of the tank body is provided with a plurality of liquid connectors which are oily sewage inlets; a circumference baffle is fixedly connected below the liquid connection port at the upper part of the tank body, an included angle is formed between the baffle and the vertical wall of the tank body, a graphene-based net film is fixedly connected below the baffle, and the baffle and the graphene-based net film form a cone with a small bottom opening and a large top opening; the bottom of the cone is a flat bottom container and is provided with a liquid connection port which is connected with an oil delivery pipe and a dirty oil outlet; a liquid connection port is arranged below the tank body, is a water production outlet and is connected with a flushing recovery water outlet through a pump; the oily sewage inlet is connected with a water distribution pipe through a water pipeline, a plurality of nozzles are arranged on the water distribution pipe and are uniformly distributed on the inner side of the baffle plate, and the openings of the nozzles are slightly inclined downwards; the device is internally provided with a water distribution cavity, a water production cavity and an oil collecting cavity, wherein the water distribution cavity is a cone formed by a baffle plate and a graphene-based net film, the oil collecting cavity is a flat bottom container at the bottom of the cone, and the water production cavity is a tank cavity below the cone.
The nozzle of the water distribution pipe is inclined at a downward 45-degree angle, and water flow sprayed out of the nozzle forms a rotational flow in the water distribution cavity. A pressure communication pipe is connected between the water distribution cavity and the water production cavity. The device is provided with an automatic control system, and the nitrogen pressure and the inflow water flow can be automatically adjusted through a valve. The graphene-based net film is hydrophilic and oleophobic, and the oil-water separation is enhanced by fully utilizing the oil-water density difference, so that suspended matters are filtered. The device adopts the multistage graphite alkenyl omentum to carry out oil-water separation, and the water outlet of the previous omentum is the water inlet of the next omentum. The device adopts a plurality of graphene-based omentum to operate in parallel. The device is a closed container, and the inside of the device is filled with nitrogen. A cleaning facility is arranged in the device for cleaning the graphene-based omentum.
The water quality of the inlet water of the device is required to be that the oil content is less than or equal to 500mg/L and the suspended matter content is less than or equal to 200mg/L. The water quality of the effluent of the device is that the oil content is less than or equal to 6mg/L, the suspended matter content is less than or equal to 2mg/L, and the median value of the suspended matter particle size is less than or equal to 3 mu m.
The invention has the advantages that: the oil removal efficiency is high, the occupied area is small, the pollution resistance is strong, the requirement on the quality of inflow water is wide, the oil field sewage working condition can be well adapted, and the matched treatment process flow is simple.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top cross-sectional view of the present invention.
In the figure: 1 is a nitrogen cavity, 2 is a water distribution pipe, 3 is a pressure communication pipe, 4 is a baffle plate, 5 is a graphene-based net film, 6 is an oil collecting cavity, 7 is a water producing cavity, 8 is an oil conveying pipe, 9 is a dirty oil outlet, 10 is a flushing recovery water outlet, 11 is a water producing outlet, 12 is a flushing water inlet, 13 is an oily sewage inlet, and 14 is a nitrogen inlet.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The vertical swirl type graphene oily sewage treatment device comprises a tank body, a water distribution pipe 2, a baffle plate 4, a graphene-based net film 5, a water pipeline and an oil pipeline, wherein the tank body is a vertical cylindrical sealed container, a gas connection port is formed in the top of the tank body, and a nitrogen inlet 14 is formed in the top of the tank body; the upper part of the tank body is provided with a plurality of liquid connectors which are oily sewage inlets 13; a circumference baffle plate 4 is fixedly connected below the liquid connection port at the upper part of the tank body, an included angle is formed between the baffle plate 4 and the vertical wall of the tank body, a graphene-based net film 5 is fixedly connected below the baffle plate 4, and the baffle plate 4 and the graphene-based net film 5 form a cone with a small bottom opening and a large top opening; the bottom of the cone is a flat bottom container and is provided with a liquid connection port which is connected with an oil delivery pipe 8 and a dirty oil outlet 9; a liquid connection port is arranged below the tank body, is a water production outlet 11 and is connected with a flushing recovery water outlet 10 through a pump; the oily sewage inlet 13 is connected with the water distribution pipe 2 through a water pipeline, a plurality of nozzles are arranged on the water distribution pipe 2 and are uniformly distributed on the inner side of the baffle plate 4, and the openings of the nozzles are slightly inclined downwards; the device is internally provided with a water distribution cavity, a water production cavity 7 and an oil collection cavity 6, wherein the water distribution cavity is a cone formed by a baffle plate 4 and a graphene-based net film 5, the oil collection cavity 6 is a flat bottom container at the bottom of the cone, and the water production cavity 7 is a tank cavity below the cone.
The nozzle of the water distribution pipe 2 is inclined downwards at an angle of 45 degrees, and water flow sprayed out of the nozzle forms a rotational flow in the water distribution cavity. A pressure communication pipe 3 is connected between the water distribution cavity and the water production cavity 7. The device is provided with an automatic control system, and the nitrogen pressure and the inflow water flow can be automatically adjusted through a valve. The graphene-based net film 5 is hydrophilic and oleophobic, and the oil-water separation is enhanced by fully utilizing the oil-water density difference, so that suspended matters are filtered. The device adopts the multistage graphene-based omentum 5 to carry out oil-water separation, and the effluent of the previous omentum is the water inlet of the next omentum. The device adopts a plurality of graphene-based omentum 5 to run in parallel. The device is a closed container, and the inside of the device is filled with nitrogen. A cleaning facility is arranged in the device for cleaning the graphene-based omentum 5.
The water quality of the inlet water of the device is required to be that the oil content is less than or equal to 500mg/L and the suspended matter content is less than or equal to 200mg/L. The water quality of the effluent of the device is that the oil content is less than or equal to 6mg/L, the suspended matter content is less than or equal to 2mg/L, and the median value of the suspended matter particle size is less than or equal to 3 mu m.
The device provided by the invention adopts the graphene-based net film 5 to realize oil-water separation and suspended matter filtration, and the graphene-based net film 5 has the characteristics of hydrophilicity and oleophobicity. The device is a closed container, nitrogen is filled in the device, so that the contact between sewage and air is avoided, and the oxygen content of the sewage is not increased in the treatment process. The internal water flow forms a rotational flow, so that the oil-water density difference can be fully utilized, and the oil-water separation effect is enhanced. The multistage graphene-based net film 5 is adopted for oil-water separation, the effluent of the previous stage net film is used as the water inlet of the next stage net film, the degree of oil-water separation is gradually improved, and the sewage treatment effect is gradually improved. A cleaning facility is matched, so that the graphene-based omentum 5 can be cleaned regularly. The automatic control system is arranged, so that the control of the internal nitrogen pressure can be realized; the automatic adjustment of each valve in the device system can be realized according to the flow of incoming water, so that the treatment effect is ensured; periodic automatic cleaning can be realized.
The graphene-based net film 5 has the characteristics of hydrophilicity, oleophobicity, high strength, high temperature resistance, pollution resistance, acid and alkali resistance, is not easy to be blocked by oil stains, and can well recover the water permeability of the net film through regular cleaning.
The water can meet the average air permeability of more than 50 multiplied by 10 -3 μm 2 The water quality requirement of the water injection of the oil field can be further treated by a rear-end fine treatment facility and then used for ultra-low permeability oil Tian Zhushui, and the water quality requirement of the water injection of the oil field can also be used as a pretreatment facility for advanced treatment such as sewage recycling treatment.
The device can also adopt a plurality of graphene-based omentum 5 to run in parallel, so that the processing capacity of the device is increased. The device is internally provided with a water distribution cavity (one-stage or multi-stage water distribution cavity), a water production cavity 7 (one-stage or multi-stage water production cavity) a collecting cavity 6 (one-stage or multi-stage collecting cavity), and a graphene-based omentum 5.
The water quality satisfies that the oil content is less than or equal to 500mg/L and the suspended matter content is less than or equal to 200mg/L, the oily sewage enters a vertical rotational flow type graphene oily sewage treatment device for treatment, and the effluent (the oil content is less than or equal to 6mg/L, the suspended matter content is less than or equal to 2mg/L and the median value of the suspended matter particle size is less than or equal to 3 mu m) is externally conveyed to a water injection station for water injection.
And discharging the dirty oil separated in the operation process to a dirty oil tank in the sewage station. The device is used for cleaning 1 time per day, the cleaning time is 15min each time, a cleaning water source adopts the device to discharge water, and the cleaned wastewater is discharged to a sewage tank in a sewage station.
The wastewater station is used for carrying out a pilot scale test, and the treatment capacity is 5m 3 And/h. The water quality of inlet and outlet water of the small test device is shown in the following table:
water quality meter for water inlet and outlet of small test device
| Sequence number | Water quality project | Water quality of inlet water | Effluent quality |
| 1 | Oil content (mg/L) | 475 | 5.8 |
| 2 | Suspended solids content (mg/L) | 164 | 1.9 |
| 3 | Median diameter of suspended solid particles (μm) | 11.4 | 2.8 |
Claims (1)
1. Vertical swirl type graphite alkene oily sewage treatment device, including jar body, nitrogen gas chamber (1), water distribution pipe (2), baffle (4), graphite alkene omentum (5), sparge water import (12) and water pipeline and oil line, its characterized in that: the tank body is a vertical cylindrical sealed container, the top of the tank body is provided with a gas connection port which is a nitrogen inlet (14); the upper part of the tank body is provided with a plurality of liquid connectors which are oily sewage inlets (13); a circumference baffle plate (4) is fixedly connected below the liquid connection port at the upper part of the tank body, an included angle is formed between the baffle plate (4) and the vertical wall of the tank body, a graphene-based net film (5) is fixedly connected below the baffle plate (4), and the baffle plate (4) and the graphene-based net film (5) form a cone with a small bottom opening and a large top opening; the bottom of the cone is a flat-bottom container and is provided with a liquid connection port which is connected with an oil delivery pipe (8) and a dirty oil outlet (9); a liquid connection port is arranged below the tank body, is a water production outlet (11) and is connected with a flushing recovery water outlet (10) through a pump; the oily sewage inlet (13) is connected with the water distribution pipe (2) through a water pipeline, a plurality of nozzles are arranged on the water distribution pipe (2), and the nozzles are uniformly distributed on the inner side of the baffle plate (4); the device is internally provided with a water distribution cavity, a water production cavity (7) and an oil collecting cavity (6), wherein the water distribution cavity is a cone formed by a baffle plate (4) and a graphene-based net film (5), the oil collecting cavity (6) is a flat bottom container at the bottom of the cone, and the water production cavity (7) is a tank cavity below the cone;
the nozzle of the water distribution pipe (2) is inclined at a downward 45-degree angle, and water flow sprayed out of the nozzle forms a rotational flow in the water distribution cavity;
a pressure communication pipe (3) is connected between the water distribution cavity and the water production cavity (7);
the device is provided with an automatic control system, and the nitrogen pressure and the inflow water flow can be automatically adjusted through a valve;
the graphene-based net film (5) is hydrophilic and oleophobic, and the oil-water separation is enhanced by fully utilizing the oil-water density difference, so that suspended matters are filtered;
the device adopts a multistage graphene-based omentum (5) for oil-water separation, and the effluent of the previous omentum is the water inlet of the next omentum;
the device adopts a plurality of graphene-based omentum (5) to run in parallel;
the device is a closed container, and the inside of the device is filled with nitrogen;
a cleaning facility is arranged in the device for cleaning the graphene-based omentum (5);
the requirement of the water quality of the water inlet of the device is that the oil content is less than or equal to 500mg/L and the suspended matter content is less than or equal to 200mg/L;
the water quality of the effluent of the device is that the oil content is less than or equal to 6mg/L, the suspended matter content is less than or equal to 2mg/L, and the median value of the suspended matter particle size is less than or equal to 3 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710184458.0A CN106957088B (en) | 2017-03-24 | 2017-03-24 | Vertical cyclone graphene oily sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184458.0A CN106957088B (en) | 2017-03-24 | 2017-03-24 | Vertical cyclone graphene oily sewage treatment device |
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| CN106957088B true CN106957088B (en) | 2024-04-16 |
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| CN108689511A (en) * | 2018-08-01 | 2018-10-23 | 张碌章 | A kind of vertical vortex type graphene oil-contained waste water treatment device |
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| CN104828817A (en) * | 2015-05-18 | 2015-08-12 | 中国石油大学(华东) | Oxidized graphene netted film with efficient oil-water separation capacity |
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| CN206843139U (en) * | 2017-03-24 | 2018-01-05 | 胜利油田森诺胜利工程有限公司 | Vertical vortex type graphene oil-contained waste water treatment device |
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2017
- 2017-03-24 CN CN201710184458.0A patent/CN106957088B/en active Active
Patent Citations (7)
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| RU2338574C1 (en) * | 2007-03-21 | 2008-11-20 | Александр Иванович Аладкин | Method of separating water, petroleum products and mechanical impurities and device for implementing method |
| CN203820556U (en) * | 2014-04-14 | 2014-09-10 | 中国石油大学(华东) | Three-level step-downbuck V-shaped waterpower rotational flow floating device |
| CN204400738U (en) * | 2015-01-05 | 2015-06-17 | 宜兴市苏嘉环保设备有限公司 | Efficient degreasing separator for removing dirt |
| CN104743637A (en) * | 2015-04-06 | 2015-07-01 | 王日彩 | Oil-water separation box and oil-water separation device utilizing oil-water separation box |
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