CN205442919U - Oil field extraction water processing system - Google Patents
Oil field extraction water processing system Download PDFInfo
- Publication number
- CN205442919U CN205442919U CN201620188839.7U CN201620188839U CN205442919U CN 205442919 U CN205442919 U CN 205442919U CN 201620188839 U CN201620188839 U CN 201620188839U CN 205442919 U CN205442919 U CN 205442919U
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- air flotation
- water
- water tank
- oil field
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Abstract
The utility model discloses an oil field extraction water processing system, including the sewage elevator pump, water inlet and the oil field equalizing basin of sewage elevator pump are connected, and the delivery port of sewage elevator pump is connected with cavitation air flotation machine's water inlet, and cavitation air flotation machine's the delivery port and the water inlet of ultrasonic wave filter are connected, and the delivery port of ultrasonic wave filter is connected with the water inlet of sterilizer, and the delivery port of sterilizer is connected with the recycle pond. The utility model discloses add the flocculating agent to the extraction aquatic earlier, after the air supporting of cavitation air supporting device nitrogen gas aeration is handled, make extraction aquatic greasy dirt and former separation of water, eliminated the most dissolved oxygen in former aquatic simultaneously, improved the water treatment precision greatly, the raw water through ultrasonic wave filtration, sterilizing equipment processing, makes the raw water reach the recycle water quality standard more afterwards, also reduces aquatic SBR content, water processing cycle is short, and operation process is simple and convenient.
Description
Technical field
This utility model belongs to oily waste water treatment technical field, is specifically related to a kind of oil field produced water treatment system.
Background technology
Produced Liquid is claimed from the wet crude of underground extraction, Produced Liquid is through electric dehydration, the water separated becomes oil field extracted water, also referred to as oilfield sewage, the waterflooding extraction of low permeability oil field is still to maintain the technical way of rate of oil production, and low permeability proposes more harsh requirement to the effluent quality of oil field produced water treatment facilities.At present, the Main Means that oil field extracted water processes is " two grades of oil removing+cascade filtrations ", but the method generally there is problems in that 1. filtration loads are big, and backwash is frequent, and processing accuracy is the highest；2. oxygen content exceeds standard；3.SRB content overproof.
Utility model content
The purpose of this utility model is to provide a kind of oil field produced water treatment system, and solving existing treatment Technology for Petroleum Water Flooding, to filter load big, and processing accuracy is the highest and the problem of SRB content overproof in water after processing.
This utility model be employed technical scheme comprise that, a kind of oil field produced water treatment system, including sewage pump, the water inlet of sewage pump is connected with oil field regulating reservoir, the outlet of sewage pump is connected with the water inlet of air flotation turbo, the outlet of air flotation turbo is connected with the water inlet of supersonic filter, and the outlet of supersonic filter is connected with the water inlet of sterilizer, and the outlet of sterilizer is connected with re-injection pond.
Of the present utility model it is further characterized in that,
nullAir flotation turbo is closed air flotation turbo，Including airtight water tank，In airtight water tank, the bottom of vertical airtight water tank is disposed with the aeration zone communicated、Air flotation zone、Clear water zone and exhalant region，The top of airtight water tank is provided with aerator，Aerator is connected with nitrogen gas generator，The scattered gas impeller of aerator gos deep in the aeration zone of airtight water tank，The side that airtight water tank is relative is respectively arranged with former water inlet and outlet，Outlet is connected with exhalant region，Former water inlet is connected with aeration zone，Slag scraping mechanism and Ji Nigou it is provided with in air flotation zone，Ji Nigou is positioned at the lower section of slag scraping mechanism slag notch，Slag scraping mechanism and Ji Nigou are close to airtight water tank top and are connected with airtight water tank inwall，It is provided with spiral sludge discharge device in collection mud ditch，The sludge out pipe of spiral sludge discharge device stretches out outside airtight water tank，Slag scraping mechanism is connected with motor，Motor is positioned at the top of airtight water tank.
The top of aeration zone communicates with the top of air flotation zone, the bottom of air flotation zone communicates with the bottom of clear water zone, the top of clear water zone communicates with the top of exhalant region, the bottom of aeration zone, air flotation zone and clear water zone is all equal with the bottom of airtight water tank, bottom with exhalant region is higher than the bottom of clear water zone, clear water zone and exhalant region and forms downflow weir.
Connected by return duct bottom aeration zone and air flotation zone.
The top of airtight water tank is provided with two observation windows, and two observation windows lay respectively at air flotation zone and exhalant region.
The outlet of sewage pump and the water inlet of air flotation turbo are provided with feeder, are placed with flocculant in feeder.
Sterilizer is PD-UV overflow-type ultraviolet sterilizer.
The beneficial effects of the utility model are, first add in recovered water by flocculant, after Eddy concave air-floatation apparatus nitrogen aeration air-flotation process, make greasy dirt in recovered water separate with former water, eliminate most dissolved oxygen in former water simultaneously, substantially increase water processing accuracy；The most former water processes through ultrasonic filtration, sterilizing unit again, makes former water reach reinjected water standard, also reduces SBR content in water；It is short that water processes the cycle, and operating process is easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of oil field produced water treatment system of this utility model；
Fig. 2 is the structural representation of air flotation turbo in a kind of oil field produced water treatment system of edition utility model.
In figure, 1. sewage pump, 2. oil field regulating reservoir, 3. air flotation turbo, 4. supersonic filter, 5. sterilizer, 6. re-injection pond, 7. airtight water tank, 8. aerator, 9. nitrogen gas generator, the most former water inlet, 11. outlets, 12. slag scraping mechanisms, 13. Ji Nigou, 14. spiral sludge discharge devices, 15. motors, 16. return ducts, 17. observation windows, 18. feeders.
Detailed description of the invention
With detailed description of the invention, this utility model is described in detail below in conjunction with the accompanying drawings.
The structure of a kind of oil field produced water treatment system of this utility model is as shown in Figure 1, including sewage pump 1, the water inlet of sewage pump 1 is connected with oil field regulating reservoir 2, it is connected with the water inlet of air flotation turbo 3, the outlet of air flotation turbo 3 is connected with the water inlet of supersonic filter 4, the outlet of supersonic filter 4 is connected with the water inlet of sterilizer 5, and the outlet of sterilizer 5 is connected with re-injection pond 6.nullWherein，Air flotation turbo 3 is closed air flotation turbo，Including airtight water tank 7，In airtight water tank 7, the bottom of vertical airtight water tank is disposed with the aeration zone communicated、Air flotation zone、Clear water zone and exhalant region，The top of airtight water tank 7 is provided with aerator 8，Aerator 8 is connected with nitrogen gas generator 9，The scattered gas impeller of aerator 8 gos deep in the aeration zone of airtight water tank 7，The side that airtight water tank 7 is relative is respectively arranged with former water inlet 10 and outlet 11，Former water inlet 10 is connected with aeration zone，Outlet 11 is connected with exhalant region，Slag scraping mechanism 12 and collection mud ditch 13 it is provided with in air flotation zone，Collection mud ditch 13 is positioned at the lower section of slag scraping mechanism 12 slag notch，Slag scraping mechanism 12 and collection mud ditch 13 are close to airtight water tank 7 top and are connected with airtight water tank 7 inwall，It is provided with spiral sludge discharge device 14 in collection mud ditch 13，The sludge out pipe of spiral sludge discharge device 14 stretches out outside airtight water tank 7，Slag scraping mechanism 12 is connected with motor 15，Motor 15 is positioned at the top of airtight water tank 7.The top of aeration zone communicates with the top of air flotation zone, the bottom of air flotation zone communicates with the bottom of clear water zone, the top of clear water zone communicates with the top of exhalant region, the bottom of aeration zone, air flotation zone and clear water zone is all equal with the bottom of airtight water tank, bottom with exhalant region is higher than the bottom of clear water zone, clear water zone and exhalant region and forms downflow weir；Connected by return duct 16 bottom aeration zone and air flotation zone.The top of airtight water tank 7 is provided with two observation windows 17, and two observation windows 17 lay respectively at air flotation zone and exhalant region, and the structure of air flotation turbo is as shown in Figure 2.The outlet of sewage pump 1 is provided with feeder 18 with the water inlet of air flotation turbo 3, is placed with flocculant, feeder and sewage pump coordinated signals in feeder 18, can realize the automatic interpolation of flocculant.Sterilizer 5 is PD-UV overflow-type ultraviolet sterilizer.
Operation principle and the process thereof of this utility model produced water treatment system be: utilizes air flotation turbo and supersonic filter, sterilizer makes system realize two-stage water treatment procedure: recovered water is extracted out under the effect of sewage pump from the regulating reservoir of oil field, the feeder utilizing three-way pipeline to be arranged between sewage pump and air flotation turbo adds flocculant in the recovered water extracted out, feeder and sewage pump coordinated signals, the automatic interpolation of flocculant can be realized, recovered water enters the aeration zone of closed cavitation air flotation device subsequently, it is sufficiently mixed with microbubble, microbubble takes solid suspension to the water surface during rising, mud scraper runs along liquid level and scrapes on the metallic plate of inclination by float, push it into mud discharging tube seat again, sludge collector is flowed into by mud discharging tube seat, mud scraper power only has 0.5KW.Before discharging can overflow launder below swash plate after sewage purification, overflow launder is used for controlling the water level of air flotation slot, guarantee that the liquid in groove may not flow into mud discharging pipeline, open pharynx flow tube road stretches from aeration section along the bottom of air flotation slot, while producing microbubble, Cavltation aerator can have one negative pressuren zone of formation at the bottom of the pond of return duct, this suction function can make waste water be back to aeration zone from the bottom in pond, return the most again air supporting section, main greasy dirt in recovered water and former water are separated, owing to aerator is connected with nitrogen gas generator, the bubble composition making cavitation air flotation is the most oxygenous, in displacement airtight water tank while air, also major part dissolved oxygen in former water is eliminated, now coagulation completes；nullFormer water after coagulation enters supersonic filter，Flow through coarse strainer，Filter larger particles impurity，Coarse strainer water outlet enters fie screen with inner pressed，Fine impurities in trap water further，Simultaneously，Supersonic wave synchronism works，Micro-bubble core in liquid is produced vibration，When acoustic pressure reaches certain value，Continuation is expanded by bubble，The most suddenly close，In bubble, high temperature (5000K) high pressure (thousands of atmospheric pressure) is created when these minute bubbles collapse rapidly，And owing to the liquid at high speed around bubble pours bubble，And the liquid near bubble creates strong local shock，Also form the High Temperature High Pressure of local，Thus create ultrasonic sterilization、Clean、Pulverize、Emulsifying、Dispersion、Promote a series of effects such as chemical reaction，Former water is made to reach reinjected water standard，Again after sterilizer effect，Reduce SBR content in water further.
This utility model utilizes supersonic filter and ultraviolet sterilizer to carry out filter sterilization, it is not necessary to adds chemical agent, non-secondary pollution, without mixing apparatus, greatly reduces equipment operating cost；This utility model use overall skid-mounted, reduced investment, occupation of land less, manage, transport conveniently, be particularly suitable for small-sized petrol station and use.
Claims (6)
1. an oil field produced water treatment system, it is characterized in that, including sewage pump (1), the water inlet of sewage pump (1) is connected with oil field regulating reservoir (2), the outlet of sewage pump (1) is connected with the water inlet of air flotation turbo (3), the outlet of air flotation turbo (3) is connected with the water inlet of supersonic filter (4), the outlet of supersonic filter (4) is connected with the water inlet of sterilizer (5), and the outlet of sterilizer (5) is connected with re-injection pond (6).
The oil field produced water treatment system of one the most according to claim 1, it is characterized in that, described air flotation turbo (3) is closed air flotation turbo, including airtight water tank (7), in airtight water tank (7), the bottom of vertical airtight water tank (7) is disposed with the aeration zone communicated, air flotation zone, clear water zone and exhalant region, the top of airtight water tank (7) is provided with aerator (8), aerator (8) is connected with nitrogen gas generator (9), the scattered gas impeller of aerator (8) gos deep in the aeration zone of airtight water tank (7), the side that airtight water tank (7) is relative is respectively arranged with former water inlet (10) and outlet (11), former water inlet (10) is connected with aeration zone, outlet (11) is connected with exhalant region；Slag scraping mechanism (12) and Ji Nigou (13) it is provided with in air flotation zone, Ji Nigou (13) is positioned at the lower section of slag scraping mechanism (12) slag notch, slag scraping mechanism (12) and Ji Nigou (13) are close to airtight water tank (7) top and are connected with airtight water tank (7) inwall, spiral sludge discharge device (14) it is provided with in Ji Nigou (13), the sludge out pipe of spiral sludge discharge device (14) stretches out airtight water tank (7) outward, slag scraping mechanism (12) is connected with motor (15), and motor (15) is positioned at the top of airtight water tank (7).
The oil field produced water treatment system of one the most according to claim 2, it is characterised in that connected by return duct (16) bottom described aeration zone and air flotation zone.
The oil field produced water treatment system of one the most according to claim 2, it is characterized in that, the top of described airtight water tank (7) is provided with two observation windows (17), and two observation windows (17) lay respectively at air flotation zone and exhalant region.
The oil field produced water treatment system of one the most according to claim 1, it is characterized in that, the outlet of described sewage pump (1) is provided with feeder (18) with the water inlet of air flotation turbo (3), and feeder is placed with flocculant in (18).
The oil field produced water treatment system of one the most according to claim 1, it is characterised in that described sterilizer (5) is PD-UV overflow-type ultraviolet sterilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620188839.7U CN205442919U (en) | 2016-03-11 | 2016-03-11 | Oil field extraction water processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620188839.7U CN205442919U (en) | 2016-03-11 | 2016-03-11 | Oil field extraction water processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205442919U true CN205442919U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620188839.7U Expired - Fee Related CN205442919U (en) | 2016-03-11 | 2016-03-11 | Oil field extraction water processing system |
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| CN (1) | CN205442919U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746364A (en) * | 2017-02-15 | 2017-05-31 | 青岛蓝谷化学有限公司 | A kind of oil field extracted water resource utilization method and its device |
| CN107055663A (en) * | 2017-03-02 | 2017-08-18 | 浙江鸣食品股份有限公司 | A kind of flat flow air supporting |
| CN107445237A (en) * | 2017-09-04 | 2017-12-08 | 合肥天翔环境工程有限公司 | A kind of air floatation machine |
| CN107555676A (en) * | 2017-10-09 | 2018-01-09 | 常州禾吉纺织品有限公司 | A kind of Kitchen sewage treatment device |
| CN107555516A (en) * | 2017-09-04 | 2018-01-09 | 合肥天翔环境工程有限公司 | A kind of air flotation turbo |
| CN109734210A (en) * | 2019-02-27 | 2019-05-10 | 北京兆华仙泉技术开发有限公司 | Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities |
-
2016
- 2016-03-11 CN CN201620188839.7U patent/CN205442919U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746364A (en) * | 2017-02-15 | 2017-05-31 | 青岛蓝谷化学有限公司 | A kind of oil field extracted water resource utilization method and its device |
| CN106746364B (en) * | 2017-02-15 | 2023-06-30 | 青岛北方节能环保有限公司 | Oil field produced water recycling method and device |
| CN107055663A (en) * | 2017-03-02 | 2017-08-18 | 浙江鸣食品股份有限公司 | A kind of flat flow air supporting |
| CN107445237A (en) * | 2017-09-04 | 2017-12-08 | 合肥天翔环境工程有限公司 | A kind of air floatation machine |
| CN107555516A (en) * | 2017-09-04 | 2018-01-09 | 合肥天翔环境工程有限公司 | A kind of air flotation turbo |
| CN107555676A (en) * | 2017-10-09 | 2018-01-09 | 常州禾吉纺织品有限公司 | A kind of Kitchen sewage treatment device |
| CN107555676B (en) * | 2017-10-09 | 2020-11-24 | 义乌市君胜科技有限公司 | Kitchen sewage treatment device |
| CN109734210A (en) * | 2019-02-27 | 2019-05-10 | 北京兆华仙泉技术开发有限公司 | Nitrogen depressurizes shallow-layer flotation and filters coarse separation technique water treatment facilities |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20210311 |