CN204151169U - A kind of fracturing outlet liquid recycling and processing equipment - Google Patents
A kind of fracturing outlet liquid recycling and processing equipment Download PDFInfo
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- CN204151169U CN204151169U CN201420628301.4U CN201420628301U CN204151169U CN 204151169 U CN204151169 U CN 204151169U CN 201420628301 U CN201420628301 U CN 201420628301U CN 204151169 U CN204151169 U CN 204151169U
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Abstract
The utility model discloses a kind of fracturing outlet liquid recycling and processing equipment, by oil removing unit, connect to form successively except reducing substances unit, except hard unit and oil removal unit; Described oil removing unit comes water lines, degreaser tank, volume pump and line mixer by fracturing flow-back fluid of oil well and forms, and the described hard unit that removes is made up of chemical softener chemicals dosing plant, impeller pump, settling tank; Described oil removal unit is made up of impeller pump, more medium filter and fine filter; Described being made up of dissolved air flotation device and surge tank except reducing substances unit.The utility model has that flow process is simple, cell processing technical maturity, integrated artistic are stablized, convenient operation and management, the residence time is short and floor space is little advantage.Be mainly used in fracturing outlet liquid Treatment for Reuse, remove crude oil, suspended impurity, reducing substances Fe
2+and S
2-and Ca
2+and Mg
2+, and remain remaining guanidine glue, linking agent and clay stabilizer, therefore, can be widely used in fracturing outlet liquid Treatment for Reuse.
Description
Technical field
The utility model relates to a kind for the treatment of unit of oil field operation waste liquid, especially a kind of fracturing outlet liquid recycling and processing equipment.
Background technology
The oily unconventionaloil pool of current densification is hidden just at Devoting Major Efforts To Developing, and Massive Hydraulic Fracturing is the economical and efficient mode of such oil reservoir development.Unconventional pressing crack construction needs to consume a large amount of clear water, and the fracturing waste liquor of 30% ~ 50% will be had after pressure break to return drain into ground, and owing to returning containing materials such as crude oil, salt, guanidine glue and suspended impurities in discharge opeing, complicated, COD are high, and directly outer row can affect environment.
At present mainly containing three kinds of different treatment process to fracturing outlet liquid, is reinjection technology technique, standard discharge treatment process and reuse treatment process respectively.Wherein, reuse treatment process, mainly by oil removing, scale removal with combine except the technique such as suspended impurity, returns discharge opeing for preparing fracturing fluid again after process.
By literature search, the patent No. is " ZL201220678312.4 ", patent name provides a kind of integrated treatment unit that sand setting oil removal, chemical precipitation, bag type filtering, filter element filtering and water quality regulation carried out for " compact oil reservoir mixing water fracturing outlet liquid treatment unit ", the subject matter that this device exists is, the oil removal processing unit carrying out being separated with natural subsidence can not realize the efficient removal to returning discharge opeing Crude Oil, because containing polymkeric substance, crude oil and suspended impurity in fracturing outlet liquid, emulsification is serious, oil removing difficulty; Because oil removal technique can not realize effective oil removing, follow-up filtration process cleaning can be caused and change filtrate frequent, can not steady running.The patent No. is " ZL201320145527.4 ", patent name provides a kind of device efficiently catalyzing and oxidizing, complex coagulation, solid-liquid separation and depth type filtration being carried out combine for " shale gas fracturing outlet liquid recycling and processing equipment ", the deficiency of this device is, oily-water seperating equipment is not set, the processing requirements of oil-containing fracturing outlet liquid can not be met, and owing to have employed efficiently catalyzing and oxidizing and complex coagulation technique, the retention rate causing returning remaining guanidine glue, polymkeric substance and other auxiliary agents available in discharge opeing reduces greatly, causes the waste of resource.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of fracturing outlet liquid recycling and processing equipment, and this device effectively can remove crude oil, suspended impurity, reducing substances Fe
2+and S
2-and Ca
2+and Mg
2+, and remain remaining guanidine glue, linking agent and clay stabilizer.
A kind of fracturing outlet liquid recycling and processing equipment of the present utility model, comprise oil removing unit, except hard unit and oil removal unit, described oil removing unit comes water lines, degreaser tank, the first volume pump and line mixer by fracturing flow-back fluid of oil well and forms, degreaser tank is connected with the first volume pump entrance, first volume pump outlet comes after water lines is connected by pipeline and fracturing flow-back fluid of oil well, then is connected with line mixer, the described hard unit that removes is made up of chemical softener chemicals dosing plant, the first impeller pump, settling tank, described oil removal unit is by the second impeller pump, more medium filter and fine filter composition, second impeller pump entrance is connected with except settling bowl in hard unit, outlet is connected with more medium filter, more medium filter outlet is connected with fine filter, it is characterized in that, also comprise except reducing substances unit, the described reducing substances unit that removes is made up of dissolved air flotation device and surge tank, dissolved air flotation device water inlet is connected with the outlet of line mixer, water outlet is connected with surge tank, described chemical softener chemicals dosing plant by pipeline with except after reducing substances unit outlet pipeline is connected, be connected with settling tank through the first impeller pump again.
Wherein, described chemical softener chemicals dosing plant is made up of chemical softener tank and the second volume pump; Described dissolved air flotation device is provided with dissolving, scraper plate, collection tank, collection tube road, mud line and outlet pipeline, wherein, scraper plate is located at the top of air-floating apparatus, collection tank is located at the upper end of device afterbody, connect collection tube road bottom collection tank, establish mud line bottom dissolved air flotation device, outlet pipeline is positioned in the middle part of air-floating apparatus, adopt overflow manner, the source of the gas of described molten gas dissolved air flotation device is air.
Bottom described settling tank, blowdown pipeline is installed; The filtrate of described more medium filter is made up of nut-shell and quartz sand, and wherein, walnut shell filtering material is upper strata, thickness 500mm, and quartz sand filter media is lower floor, thickness 500mm.
The filter core of described fine filter is the polypropylene melt blown filter of hollow, and filtering accuracy is 5 microns, external diameter 63mm, internal diameter 28mm; The entrance of described more medium filter 32 is arranged on top, and outlet is arranged on bottom, and is provided with tensimeter at its top, and pressure gage measuring range is 16MPa.
Compared with prior art tool has the following advantages:
(1) flow process is simple, and cell processing technical maturity, integrated artistic are stable, convenient operation and management;
(2) do not adopt flocculation and advanced oxidation processes, return remaining guanidine glue and other auxiliary agent retention rates in discharge opeing and be greater than 90%, the cost 30% ~ 50% of preparing fracturing fluid can be saved again;
(3) residence time is short, is less than 1h, and floor space is little.
Accompanying drawing explanation
Accompanying drawing 1 is fracturing outlet liquid recycling and processing equipment structural representation.
In figure 1, oil removing unit, 2, except hard unit, 3, oil removal unit, 4, except reducing substances unit, 11, fracturing flow-back fluid of oil well carrys out water lines, 12, degreaser tank, 13, first volume pump, 14, line mixer, 21, chemical softener chemicals dosing plant, 22, first impeller pump, 23, settling tank, 31, second impeller pump, 32, more medium filter, 321, nut-shell, 322, quartz sand, 33, fine filter, 41, dissolved air flotation device, 42, surge tank, 411, dissolving, 412, scraper plate, 413, collection tank, 414, collection tube road, 415, mud line, 416, outlet pipeline.
Embodiment
By reference to the accompanying drawings 1, the utility model is further described.
A kind of fracturing outlet liquid recycling and processing equipment, comprise oil removing unit 1, except hard unit 2 and oil removal unit 3, except reducing substances unit 4, described oil removing unit 1 comes water lines 11, degreaser tank 12, first volume pump 13 and line mixer 14 by fracturing flow-back fluid of oil well and forms, degreaser tank 12 is connected with the first volume pump 13 entrance, first volume pump 13 exports and comes after water lines 11 is connected by pipeline and fracturing flow-back fluid of oil well, then is connected with line mixer 14; The described hard unit 2 that removes is made up of chemical softener chemicals dosing plant 21, first impeller pump 22, settling tank 23; Described oil removal unit 3 is made up of the second impeller pump 31, more medium filter 32 and fine filter 33, second impeller pump 31 entrance is connected with except settling bowl 23 in hard unit 2, outlet is connected with more medium filter 32, and more medium filter 32 exports and is connected with fine filter 33; Described being made up of dissolved air flotation device 41 and surge tank 42 except reducing substances unit 4, dissolved air flotation device 41 water inlet is connected with the outlet of line mixer 14, water outlet is connected with surge tank 42, described chemical softener chemicals dosing plant 21 by pipeline with except after reducing substances unit 4 outlet pipeline is connected, then to be connected with settling tank 23 through the first impeller pump 22.
Described chemical softener chemicals dosing plant 21 is made up of chemical softener tank 211 and the second volume pump 212; Described dissolved air flotation device 41 is provided with dissolving 411, scraper plate 412, collection tank 413, collection tube road 414, mud line 415 and outlet pipeline 416, wherein, scraper plate 412 is located at the top of air-floating apparatus 41, collection tank 413 is located at the upper end of device afterbody, connect collection tube road 414 bottom collection tank 413, establish mud line 415 bottom dissolved air flotation device 41, outlet pipeline is positioned in the middle part of air-floating apparatus, adopt overflow manner, the source of the gas of described dissolved air flotation device is air.
Bottom described settling tank 23, blowdown pipeline is installed; The filtrate of described more medium filter 32 is made up of nut-shell 321 and quartz sand 322, and wherein, walnut shell filtering material 321 is upper strata, thickness 500mm, and quartz sand filter media 322 is lower floor, thickness 500mm.
The filter core of described fine filter 33 is the polypropylene melt blown filter of hollow, and filtering accuracy is 5 microns, external diameter 63mm, internal diameter 28mm; The entrance of described more medium filter 32 is arranged on top, and outlet is arranged on bottom, and is provided with tensimeter at its top, and pressure gage measuring range is 16MPa.
Claims (10)
1. a fracturing outlet liquid recycling and processing equipment, comprise oil removing unit, except hard unit and oil removal unit, described oil removing unit comes water lines, degreaser tank, the first volume pump and line mixer by fracturing flow-back fluid of oil well and forms, degreaser tank is connected with the first volume pump entrance, first volume pump outlet comes after water lines is connected by pipeline and fracturing flow-back fluid of oil well, then is connected with line mixer, the described hard unit that removes is made up of chemical softener chemicals dosing plant, the first impeller pump, settling tank, described oil removal unit is by the second impeller pump, more medium filter and fine filter composition, second impeller pump entrance is connected with except settling bowl in hard unit, outlet is connected with more medium filter, more medium filter outlet is connected with fine filter, it is characterized in that, also comprise except reducing substances unit, the described reducing substances unit that removes is made up of dissolved air flotation device and surge tank, dissolved air flotation device water inlet is connected with the outlet of line mixer, water outlet is connected with surge tank, described chemical softener chemicals dosing plant by pipeline with except after reducing substances unit outlet pipeline is connected, be connected with settling tank through the first impeller pump again.
2. fracturing outlet liquid recycling and processing equipment according to claim 1, is characterized in that described chemical softener chemicals dosing plant is made up of chemical softener tank and the second volume pump.
3. fracturing outlet liquid recycling and processing equipment according to claim 1 and 2, it is characterized in that described dissolved air flotation device is provided with dissolving, scraper plate, collection tank, collection tube road, mud line and outlet pipeline, scraper plate is located at the top of air-floating apparatus, collection tank is located at the upper end of device afterbody, collection tube road is connected bottom collection tank, establish mud line bottom dissolved air flotation device, outlet pipeline is positioned in the middle part of air-floating apparatus, adopts overflow manner.
4. the fracturing outlet liquid recycling and processing equipment according to claim 1 or 3, is characterized in that the source of the gas of described dissolved air flotation device is air.
5. fracturing outlet liquid recycling and processing equipment according to claim 1, is characterized in that being provided with blowdown pipeline bottom described settling tank.
6. fracturing outlet liquid recycling and processing equipment according to claim 1, is characterized in that the filtrate of described more medium filter is made up of nut-shell and quartz sand, and walnut shell filtering material is upper strata, and quartz sand filter media is lower floor.
7. fracturing outlet liquid recycling and processing equipment according to claim 6, is characterized in that the thickness of described walnut shell filtering material is 500mm, and the thickness of quartz sand filter media is 500mm.
8. fracturing outlet liquid recycling and processing equipment according to claim 1, is characterized in that the filter core of described fine filter is the polypropylene melt blown filter of hollow.
9. fracturing outlet liquid recycling and processing equipment according to claim 8, it is characterized in that the external diameter of the filter core of described fine filter is 63mm, internal diameter is 28mm, and filtering accuracy is 5 microns.
10. the fracturing outlet liquid recycling and processing equipment according to claim 1 or 6, is characterized in that the entrance of described more medium filter is arranged on top, and outlet is arranged on bottom, and is provided with tensimeter at its top, and pressure gage measuring range is 16MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628301.4U CN204151169U (en) | 2014-10-27 | 2014-10-27 | A kind of fracturing outlet liquid recycling and processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628301.4U CN204151169U (en) | 2014-10-27 | 2014-10-27 | A kind of fracturing outlet liquid recycling and processing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204151169U true CN204151169U (en) | 2015-02-11 |
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| CN201420628301.4U Active CN204151169U (en) | 2014-10-27 | 2014-10-27 | A kind of fracturing outlet liquid recycling and processing equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276914A (en) * | 2018-11-29 | 2019-01-29 | 天津市瑞德赛恩新材料开发有限公司 | A kind of aqueous sump oil processing method of superelevation |
| CN112225355A (en) * | 2020-10-29 | 2021-01-15 | 泸州山水秀美环保科技有限公司 | Shale gas recovery flowback fluid treatment process |
| CN112374634A (en) * | 2020-09-27 | 2021-02-19 | 内蒙古久科康瑞环保科技有限公司 | Pretreatment method of fracturing flow-back fluid |
| CN113526730A (en) * | 2021-07-26 | 2021-10-22 | 南京南环水务科技有限公司 | Fracturing flow-back fluid treatment method and treatment device |
-
2014
- 2014-10-27 CN CN201420628301.4U patent/CN204151169U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276914A (en) * | 2018-11-29 | 2019-01-29 | 天津市瑞德赛恩新材料开发有限公司 | A kind of aqueous sump oil processing method of superelevation |
| CN112374634A (en) * | 2020-09-27 | 2021-02-19 | 内蒙古久科康瑞环保科技有限公司 | Pretreatment method of fracturing flow-back fluid |
| CN112374634B (en) * | 2020-09-27 | 2023-05-05 | 内蒙古久科康瑞环保科技有限公司 | Pretreatment method of fracturing flowback fluid |
| CN112225355A (en) * | 2020-10-29 | 2021-01-15 | 泸州山水秀美环保科技有限公司 | Shale gas recovery flowback fluid treatment process |
| CN113526730A (en) * | 2021-07-26 | 2021-10-22 | 南京南环水务科技有限公司 | Fracturing flow-back fluid treatment method and treatment device |
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