CN105330065A - Device of fracturing fluid flowback equipment and technological process of device - Google Patents
Device of fracturing fluid flowback equipment and technological process of device Download PDFInfo
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- CN105330065A CN105330065A CN201510798647.8A CN201510798647A CN105330065A CN 105330065 A CN105330065 A CN 105330065A CN 201510798647 A CN201510798647 A CN 201510798647A CN 105330065 A CN105330065 A CN 105330065A
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- sewage
- floating
- box
- filter screen
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 title abstract description 3
- 239000010865 sewage Substances 0.000 claims abstract description 47
- 238000007667 floating Methods 0.000 claims abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000003814 drug Substances 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000012377 drug delivery Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 6
- 238000005189 flocculation Methods 0.000 claims description 5
- 230000016615 flocculation Effects 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000001223 reverse osmosis Methods 0.000 abstract 2
- 239000002351 wastewater Substances 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- -1 sterilant Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a device of fracturing fluid flowback equipment and a technological process of the device and relates to the field of oil filed wastewater treatment. The device comprises an oil field sewage tank, a micro-floating separation tank, a middle water tank, a first filtering device and a second filtering device, wherein the first filtering device comprises a first-level filter tank and a buffer tank; the second filtering device comprises a second-level filter tank and an RO (reverse osmosis) treatment device; a micro-floating filter net is arranged at a water outlet of the micro-floating separation tank; a middle filter net is arranged at a water outlet of the middle water tank; a chemical addition device is arranged on the micro-floating separation tank; a stirring device is arranged in the middle water tank; a grid and a first filter net are sequentially arranged in the first-level filter tank from top to bottom; a second filter net is arranged in the second-level filter net; a reverse cleaning device is arranged between the first-level filter tank and the buffer tank. The device is convenient to operate, and the adopted technological process is reliable during operation; by comparison with a traditional process, more than 60% of electricity is saved, the floor area is saved by more than 50%, the oil field wastewater is treated completely and becomes clean, and the quality of effluent water is stable and meets requirements.
Description
Technical field
The present invention relates to field of oilfield sewage treatment, particularly a kind of device of fracturing outlet liquid equipment and technical process thereof.
Background technology
Pressing crack construction operation is as Main Means that is conventional and unconventional petroleum resources volume increase, its fracturing fluid system is very complicated, its composition comprises: polymkeric substance, sterilant, clay stabilizer, buffer reagent, tensio-active agent, alkali, postpone additive, high-temperature stabiliser, press down chalybeate, linking agent, cross-linked stable agent/promoting agent, gel breaker etc. so that the pressing crack construction later stage produce fracturing outlet liquid component and complexity, its water quality main manifestations is following characteristics: high COD, high TDS, high suspended matter, variation water quality is very large.If return the fracturing liquid draining into ground to arrange without any process, to surrounding enviroment, especially serious pollution will be caused to soil and surface water system outward.
The device of fracturing outlet liquid equipment of the prior art, not thorough in process fracturing outlet liquid process, effluent quality after flocculation sediment does not often reach design requirements, thus cause the follow-up advanced treatment again of fracturing outlet liquid needs, and processing technological flow is longer, increase labour intensity, reduce working efficiency.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of device and technical process thereof of fracturing outlet liquid equipment, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, the invention provides following technical scheme: a kind of device of fracturing outlet liquid equipment, comprise oilfield sewage pond, micro-floating separate tank, intermediate pool, first filtration unit and second filters assembling device, described first filtration unit comprises that one-level filter box is gentle rushes case, described second filtration unit comprises secondary filter box and RO treatment facility, described oilfield sewage pond, micro-floating separate tank, intermediate pool, one-level filter box, baffle-box, secondary filter box is connected by pipeline successively with RO treatment facility, the water outlet of described micro-floating separate tank is provided with micro-floating filter screen, the water outlet of described intermediate pool is provided with middle filter screen, described micro-floating separate tank is provided with medicament adding apparatus, described intermediate pool is provided with whipping appts, the inside of described one-level filter box is provided with grid and the first filter screen from top to bottom successively, the inside of described secondary filter box is provided with the second filter screen, the gentle punching between case of described one-level filter box is provided with anti-washing unit, described anti-washing unit comprises anti-service sink, anti-scavenging pump and anti-pipe blow-through, described anti-service sink is connected by anti-pipe blow-through with the water outlet of one-level filter box, described anti-scavenging pump is arranged on anti-pipe blow-through, be provided with in described anti-service sink and instead clean filter screen, the water outlet of described anti-service sink is connected by pipeline with between baffle-box.
Preferably, described medicament adding apparatus comprises cover plate, and described cover plate is provided with drug delivery bucket, veered away
The lower end of drug bucket is provided with some thrust-augmenting nozzles, and the lower end of described thrust-augmenting nozzle is each passed through cover plate and is arranged in micro-floating separate tank.
Preferably, described whipping appts comprises support, motor and stir shaft, and described Bracket setting is in centre
The upper end in pond, described motor is arranged on support, and described stir shaft is arranged in intermediate pool water, and described motor is connected with stir shaft.
Preferably, described stir shaft is provided with some paddles, and described paddle is provided with some apertures.
A technical process for the device of fracturing outlet liquid equipment, comprises following processing step:
(1) micro-floating separation: by the sewage in oilfield sewage pond through pump delivery in micro-floating separate tank, then add a certain amount of coagulant by medicament adding apparatus, place 1-2h, then discharge from micro-floating filter screen, preliminary filter sewage;
(2) intermediate pool mixing: by step (1) through the sewage transport of micro-floating strainer filtering in intermediate pool, then in intermediate pool, a certain amount of sodium hydroxide medicament is added, by the further combined sewage of whipping appts and sodium hydroxide medicament, then discharge from middle filter screen;
(3) single filter: the sewage of discharging from middle filter screen in step (2) has been in one-level filter box through pump delivery, has fallen throw out through grid and the first strainer filtering successively;
(4) instead clean: the sewage in step (3) is entered in anti-service sink through anti-scavenging pump, cleans filter screen by counter, further cleaning and filtering;
(5) flocculate: the sewage in step (4) is transported in baffle-box from anti-service sink, in baffle-box, adds a certain amount of flocculation agent, remove suspended substance and throw out further;
(6) cascade filtration: by the sewage in baffle-box in step (5) through pump delivery in secondary filter box, filtered further by the second filter screen;
(7) RO process: by the sewage transport in step (6) in RO treatment facility, discharges after the process of RO treatment facility obtains clear water.
The beneficial effect of above technical scheme is adopted to be: the dress of fracturing outlet liquid equipment provided by the invention
Put, micro-floating separate tank installs medicament adding apparatus, be convenient to de-steady crowded adding, preliminary sedimentation sewage, play the effect suspending and be separated, for subsequent disposal is prepared, through micro-floating strainer filtering, be drained in intermediate pool, intermediate pool installs whipping appts, abundant combined sewage and sodium hydroxide medicament, sewage is made further to be decomposed precipitation, then through being transported in one-level filter screen after middle filter screen, the dirt of precipitation is progressively discharged successively through grid and the first filter screen, be transported in anti-service sink through anti-scavenging pump, strainer filtering is cleaned through counter, be discharged in baffle-box, add flocculation agent, further removal suspended substance and throw out, then be transported to after the second strainer filtering in secondary filter box in RO treatment facility, discharge after the process of RO treatment facility obtains clear water, filtration treatment layer by layer, water conditioning, meet the requirements, medicament adding apparatus comprises cover plate, cover plate is installed drug delivery bucket, the lower end of institute's drug delivery bucket connects some thrust-augmenting nozzles, the lower end of thrust-augmenting nozzle is each passed through cover plate and is arranged in micro-floating separate tank, the length of thrust-augmenting nozzle differs, the lower end of thrust-augmenting nozzle is not on the same line, respectively medicament is put into the water layer of different depths, ensure that medicament fully mixes with sewage, stir shaft is installed some paddles, with some apertures on paddle, it is the contact area increasing paddle and sewage and medicament, medicament is mixed more even with sewage, this invents the device of the fracturing outlet liquid equipment provided, simple and reasonable, simple operation, the processing step adopted, reliable, relative traditional technology economize on electricity more than 60%, floor space saves more than 50%, process greasy dirt sewage is totally thorough, stable effluent quality, meet the demands.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is process flow sheet of the present invention.
Wherein, 1-oilfield sewage pond, the micro-floating separate tank of 2-, 3-intermediate pool, 4-first filtration unit, 41-one-level filter box, 42-baffle-box, 5-second filters assembling device, 51-secondary filter box, 52-RO treatment facility, the micro-floating filter screen of 6-, filter screen in the middle of 7-, 8-grid, 9-first filter screen, 10-second filter screen, the anti-service sink of 11-, the anti-scavenging pump of 12-, the anti-pipe blow-through of 13-, 14-is counter cleans filter screen, 15-cover plate, 16-drug delivery bucket, 17-thrust-augmenting nozzle, 18-support, 19-motor, 20-stir shaft, 21-paddle, 22-aperture.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 shows the specific embodiment of the present invention: a kind of device of fracturing outlet liquid equipment, comprise oilfield sewage pond 1, micro-floating separate tank 2, intermediate pool 3, first filtration unit 4 and second filters assembling device 5, described first filtration unit 4 comprises one-level filter box 41 and baffle-box 42, described second filtration unit 5 comprises secondary filter box 51 and RO treatment facility 52, described oilfield sewage pond 1, micro-floating separate tank 2, intermediate pool 3, one-level filter box 41, baffle-box 42, secondary filter box 51 is connected by pipeline successively with RO treatment facility 52, the water outlet of described micro-floating separate tank 2 is provided with micro-floating filter screen 6, the water outlet of described intermediate pool 3 is provided with middle filter screen 7, described micro-floating separate tank 2 is provided with medicament adding apparatus, described intermediate pool 3 is provided with whipping appts, the inside of described one-level filter box 41 is provided with grid 8 and the first filter screen 9 from top to bottom successively, the inside of described secondary filter box 51 is provided with the second filter screen 10, anti-washing unit is provided with between described one-level filter box 41 and baffle-box 42, described anti-washing unit comprises anti-service sink 11, anti-scavenging pump 12 and anti-pipe blow-through 13, described anti-service sink 11 is connected by anti-pipe blow-through 13 with the water outlet of one-level filter box 41, described anti-scavenging pump 12 is arranged on anti-pipe blow-through 13, anti-cleaning filter screen 14 is provided with in described anti-service sink 11, the water outlet of described anti-service sink 11 is connected by pipeline with between baffle-box 42.
In the present embodiment, described medicament adding apparatus comprises cover plate 15, and described cover plate 15 is provided with and send
Drug bucket 16, the lower end of institute's drug delivery bucket 16 is provided with some thrust-augmenting nozzles 17, the lower end of described thrust-augmenting nozzle 17 is each passed through cover plate 15 and is arranged in micro-floating separate tank 2, described whipping appts comprises support 18, motor 19 and stir shaft 20, described support 18 is arranged on the upper end of intermediate pool 3, described motor 19 arranges on mount 18, described stir shaft 20 is arranged in intermediate pool water 3, described motor 19 is connected with stir shaft 20, described stir shaft 20 is provided with some paddles 21, and described paddle 21 is provided with some apertures 22.
A technical process for the device of fracturing outlet liquid equipment, comprises following processing step:
(1) micro-floating separation: by the sewage in oilfield sewage pond 1 through pump delivery in micro-floating separate tank 2, then add a certain amount of coagulant by medicament adding apparatus, place 1-2h, then discharge from micro-floating filter screen 6, preliminary filter sewage;
(2) intermediate pool mixing: by the sewage transport of filtering through micro-floating filter screen 6 in step (1) in intermediate pool 3, then in intermediate pool 3, a certain amount of sodium hydroxide medicament is added, by the further combined sewage of whipping appts and sodium hydroxide medicament, then discharge from middle filter screen 7;
(3) single filter: the sewage of discharging from middle filter screen 7 in step (2) has been in one-level filter box 41 through pump delivery, has filtered out throw out through grid 8 and the first filter screen 9 successively;
(4) instead clean: the sewage in step (3) is entered in anti-service sink 11 through anti-scavenging pump 12, cleans filter screen 14 by counter, further cleaning and filtering;
(5) flocculate: the sewage in step (4) is transported in baffle-box 42 from anti-service sink 11, in baffle-box 42, adds a certain amount of flocculation agent, remove suspended substance and throw out further;
(6) cascade filtration: by the sewage in baffle-box 42 in step (5) through pump delivery in secondary filter box 51, filtered further by the second filter screen 10;
(7) RO process: by the sewage transport in step (6) in RO treatment facility 52, discharges after RO treatment facility 52 process obtains clear water.
Based on above-mentioned, this invents the device of the fracturing outlet liquid equipment provided, simple and reasonable, simple operation, the processing step adopted, reliable, relative traditional technology economize on electricity more than 60%, floor space saves more than 50%, process greasy dirt sewage is totally thorough, and stable effluent quality, meets the demands.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. the device of a fracturing outlet liquid equipment, it is characterized in that: comprise oilfield sewage pond, micro-floating separate tank, intermediate pool, first filtration unit and second filters assembling device, described first filtration unit comprises that one-level filter box is gentle rushes case, described second filtration unit comprises secondary filter box and RO treatment facility, described oilfield sewage pond, micro-floating separate tank, intermediate pool, one-level filter box, baffle-box, secondary filter box is connected by pipeline successively with RO treatment facility, the water outlet of described micro-floating separate tank is provided with micro-floating filter screen, the water outlet of described intermediate pool is provided with middle filter screen, described micro-floating separate tank is provided with medicament adding apparatus, described intermediate pool is provided with whipping appts, the inside of described one-level filter box is provided with grid and the first filter screen from top to bottom successively, the inside of described secondary filter box is provided with the second filter screen, the gentle punching between case of described one-level filter box is provided with anti-washing unit, described anti-washing unit comprises anti-service sink, anti-scavenging pump and anti-pipe blow-through, described anti-service sink is connected by anti-pipe blow-through with the water outlet of one-level filter box, described anti-scavenging pump is arranged on anti-pipe blow-through, be provided with in described anti-service sink and instead clean filter screen, the water outlet of described anti-service sink is connected by pipeline with between baffle-box.
2. the device of fracturing outlet liquid equipment according to claim 1, it is characterized in that: described medicament adding apparatus comprises cover plate, described cover plate is provided with drug delivery bucket, and the lower end of institute's drug delivery bucket is provided with some thrust-augmenting nozzles, and the lower end of described thrust-augmenting nozzle is each passed through cover plate and is arranged in micro-floating separate tank.
3. the device of fracturing outlet liquid equipment according to claim 1, it is characterized in that: described whipping appts comprises support, motor and stir shaft, described Bracket setting is in the upper end of intermediate pool, described motor is arranged on support, described stir shaft is arranged in intermediate pool water, and described motor is connected with stir shaft.
4. the device of fracturing outlet liquid equipment according to claim 3, it is characterized in that: described stir shaft is provided with some paddles, described paddle is provided with some apertures.
5. a technical process for the device of the fracturing outlet liquid equipment according to claim 1-4 any one, is characterized in that: comprise following processing step:
(1) micro-floating separation: by the sewage in oilfield sewage pond through pump delivery in micro-floating separate tank, then add a certain amount of coagulant by medicament adding apparatus, place 1-2h, then discharge from micro-floating filter screen, preliminary filter sewage;
(2) intermediate pool mixing: by step (1) through the sewage transport of micro-floating strainer filtering in intermediate pool, then in intermediate pool, a certain amount of sodium hydroxide medicament is added, by the further combined sewage of whipping appts and sodium hydroxide medicament, then discharge from middle filter screen;
(3) single filter: the sewage of discharging from middle filter screen in step (2) has been in one-level filter box through pump delivery, that falls to precipitate through grid and the first strainer filtering successively becomes dirt element;
(4) instead clean: the sewage in step (3) is entered in anti-service sink through anti-scavenging pump, cleans filter screen by counter, further cleaning and filtering;
(5) flocculate: the sewage in step (4) is transported in baffle-box from anti-service sink, in baffle-box, adds a certain amount of flocculation agent, remove suspended substance and throw out further;
(6) cascade filtration: by the sewage in baffle-box in step (5) through pump delivery in secondary filter box, filtered further by the second filter screen;
(7) RO process: by the sewage transport in step (6) in RO treatment facility, discharges after the process of RO treatment facility obtains clear water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798647.8A CN105330065A (en) | 2015-11-19 | 2015-11-19 | Device of fracturing fluid flowback equipment and technological process of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798647.8A CN105330065A (en) | 2015-11-19 | 2015-11-19 | Device of fracturing fluid flowback equipment and technological process of device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105330065A true CN105330065A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510798647.8A Pending CN105330065A (en) | 2015-11-19 | 2015-11-19 | Device of fracturing fluid flowback equipment and technological process of device |
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| Country | Link |
|---|---|
| CN (1) | CN105330065A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993248A (en) * | 2018-09-25 | 2018-12-14 | 大连翼方科技有限公司 | A kind of industrial wastewater high-efficient treatment device and method |
| CN109205863A (en) * | 2018-11-27 | 2019-01-15 | 衡阳恒荣高纯半导体材料有限公司 | Wastewater treatment equipment is used in a kind of production of germanium dioxide |
| CN110790421A (en) * | 2019-10-15 | 2020-02-14 | 杭州中橙科技有限公司 | High-efficient sewage treatment pond |
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| CN103159346A (en) * | 2013-03-27 | 2013-06-19 | 北京矿冶研究总院 | Pretreatment method and equipment for oilfield fracturing flowback fluid |
| CN104150647A (en) * | 2014-09-09 | 2014-11-19 | 中国石油化工股份有限公司 | Fracturing flowback fluid reuse treatment process |
| CN104445753A (en) * | 2015-01-14 | 2015-03-25 | 贵阳鑫泓工程技术有限公司 | Treatment process for petroleum and gas drilling wastewater |
| CN104556492A (en) * | 2013-10-09 | 2015-04-29 | 中国石油化工股份有限公司 | Method for recycling and reusing fracturing flow-back fluid |
| CN104826381A (en) * | 2015-05-07 | 2015-08-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Fracturing backflow liquid finely-filtering device and method |
| CN205295003U (en) * | 2015-11-19 | 2016-06-08 | 黄河裕泰（宁夏）环保科技有限公司 | Device of flowing back equipment is returned to fracturing |
-
2015
- 2015-11-19 CN CN201510798647.8A patent/CN105330065A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159346A (en) * | 2013-03-27 | 2013-06-19 | 北京矿冶研究总院 | Pretreatment method and equipment for oilfield fracturing flowback fluid |
| CN104556492A (en) * | 2013-10-09 | 2015-04-29 | 中国石油化工股份有限公司 | Method for recycling and reusing fracturing flow-back fluid |
| CN104150647A (en) * | 2014-09-09 | 2014-11-19 | 中国石油化工股份有限公司 | Fracturing flowback fluid reuse treatment process |
| CN104445753A (en) * | 2015-01-14 | 2015-03-25 | 贵阳鑫泓工程技术有限公司 | Treatment process for petroleum and gas drilling wastewater |
| CN104826381A (en) * | 2015-05-07 | 2015-08-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Fracturing backflow liquid finely-filtering device and method |
| CN205295003U (en) * | 2015-11-19 | 2016-06-08 | 黄河裕泰（宁夏）环保科技有限公司 | Device of flowing back equipment is returned to fracturing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993248A (en) * | 2018-09-25 | 2018-12-14 | 大连翼方科技有限公司 | A kind of industrial wastewater high-efficient treatment device and method |
| CN109205863A (en) * | 2018-11-27 | 2019-01-15 | 衡阳恒荣高纯半导体材料有限公司 | Wastewater treatment equipment is used in a kind of production of germanium dioxide |
| CN110790421A (en) * | 2019-10-15 | 2020-02-14 | 杭州中橙科技有限公司 | High-efficient sewage treatment pond |
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Application publication date: 20160217 |