CN204211581U - A kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment - Google Patents
A kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment Download PDFInfo
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- CN204211581U CN204211581U CN201420696717.XU CN201420696717U CN204211581U CN 204211581 U CN204211581 U CN 204211581U CN 201420696717 U CN201420696717 U CN 201420696717U CN 204211581 U CN204211581 U CN 204211581U
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Abstract
The utility model discloses a kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment, comprise the pretreatment pool assembly, ceramic membrane equalizing tank, filtration unit, the electrodialytic cell that connect successively, described filtration unit comprises ceramic membrane, described ceramic membrane top connects ceramic membrane equalizing tank by topping-up pump, the end of ceramic membrane is connected to electrodialytic cell, set out the mouth of a river on rear side of described electrodialytic cell, described ceramic membrane is also connected with air compressor machine.Described pretreatment pool assembly comprise connect successively oil trap, agglomerated air floatation pond, equalizing tank, flocculation-air floating pond, the top of described oil trap is also provided with mechanical grille pond.The utility model effectively removes bulk pollutent etc. in water body; Ceramic micro filter membrane portions has strict filtering accuracy, can ensure to produce water quality stabilizing, delays the pollution tendencies of electrodialysis unit; Electrodialysis part retains on the basis of fracturing outlet liquid effective constituent in part, can reduce water body salinity significantly, thus reach the object of reuse.
Description
Technical field
The utility model relates to oil field compression fracture and returns discharge opeing treatment technology, specifically a kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment.
Background technology
Unconventional petroleum resources refers to the hydrocarbon resources that ordinary method and technique means can not be adopted to carry out exploratory development, mainly comprises tight sand, shale oil, heavy oil, extra heavy oil, deep petroleum, shale gas and coal-seam gas etc.Country is using the important content of development unconventional petroleum resources as Resources Strategy.Unconventional petroleum resources receives publicity just day by day as the reserved resources that a kind of reserves are huge.The reservoir characteristics, output mechanism etc. of unconventional petroleum resources also exist significant difference with conventional gas and oil resource, its exploratory development often adopts large-scale staged fracturing technology, drilling depth is large, construction cycle is long, fracturing liquid consumption is large, for the dozens to one hundred times of conventional well, fracturing outlet liquid quantum of output is up to 1000 ~ 10000m
3.Fracturing outlet liquid complicated component, intractability is large, and qualified discharge processing cost remains high.In addition, because additive types is complicated, cause COD in water body value to reduce difficulty and increase, the wetting ability organic additive more not easily purified is difficult to remove from waste water.Therefore, the process problem of fracturing outlet liquid is a great problem of oil-field water process field all the time.The exploitation of China unconventional oil and gas resource exploration is also in explores the starting stage, corresponding management process and standard system still unsound, the treatment for reuse for fracturing outlet liquid not yet has proven technique or method to follow.More and more extensively contradict with the range of application of fracturing technique, the development of fracturing outlet liquid treatment for reuse technology is seriously delayed.Along with deepening continuously of " unconventional great development ", unconventional well will get more and more, and the quantum of output of fracturing outlet liquid also will constantly increase, if still continue traditional treatment method, merely through reinjection into reservoir after simple process, formation certainly will cause potential injury.In addition, because the uneven situation of oil field injection and extraction is serious, the processing mode that simple employing is simply extensive, in the long run will be hard to carry on.At present, the treatment for reuse problem of fracturing outlet liquid can not be ignored to the pressure that oil field is caused.Therefore, need exploitation one technically feasible, the fracturing outlet liquid recycling and processing equipment of reasonable in economy.
Utility model content
The purpose of this utility model is to provide a kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment, bulk pollutent, particle suspensions and each form petroleum-type (oil slick, oil in water emulsion and dissolving oil) etc. in effective removal water body, alleviate ceramic microfiltration membrane operating load, ensure that it is steady, Effec-tive Function; Ceramic micro filter membrane portions has strict filtering accuracy, can ensure to produce water quality stabilizing, effectively reduces water turbidity and petroleum content, improves water quality further, delay the pollution tendencies of electrodialysis unit; Electrodialysis part is the core of this device, utilize electrodialysis can realize the separation of being separated of charged ion and neutral particle in water body and different charge densities ion, retain on the basis of fracturing outlet liquid effective constituent in part, water body salinity can be reduced significantly, thus reach the object of reuse.
In order to reach above-mentioned purpose, the utility model have employed following technical scheme, a kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment, comprise the pretreatment pool assembly, ceramic membrane equalizing tank, filtration unit, the electrodialytic cell that connect successively, described filtration unit comprises ceramic membrane, and described ceramic membrane top connects ceramic membrane equalizing tank by topping-up pump, and the end of ceramic membrane is connected to electrodialytic cell, set out the mouth of a river on rear side of described electrodialytic cell, described ceramic membrane is also connected with air compressor machine.
Described pretreatment pool assembly comprise connect successively oil trap, agglomerated air floatation pond, equalizing tank, flocculation-air floating pond, the top of described oil trap is also provided with mechanical grille pond, and water-in is offered in described mechanical grille pond and inside arranges grid.
Also dissolving is connected by aeration tube between described agglomerated air floatation pond and flocculation-air floating pond.
Be provided with flocculation stirring device in described flocculation-air floating pond, this agitator is driven by interconnective agitator motor.
The upper end inwall in described flocculation-air floating pond is provided with ash pit.
Compared to prior art, the utility model has following beneficial effect:
The utility model device mainly comprises preprocessing part, ceramic membrane part and electrodialysis part.Preprocessing part effectively can remove bulk pollutent in water body, particle suspensions and each form petroleum-type (oil slick, oil in water emulsion and dissolving oil) etc., alleviates ceramic microfiltration membrane operating load, ensures that it is steady, Effec-tive Function; Ceramic micro filter membrane portions has strict filtering accuracy, can ensure to produce water quality stabilizing, effectively reduces water turbidity and petroleum content, improves water quality further, delay the pollution tendencies of electrodialysis unit; Electrodialysis part is the core of this device, utilize electrodialysis can realize the separation of being separated of charged ion and neutral particle in water body and different charge densities ion, retain on the basis of fracturing outlet liquid effective constituent in part, water body salinity can be reduced significantly, thus reach the object of reuse.
(1) the sustainable steady running of preprocessing part, through pre-treatment, can remove petroleum-type and the suspended particulate of in fracturing outlet liquid more than 90%, effectively reduces the pollutant load in water body;
(2) ceramic membrane microfiltration device operates steadily, and produces water quality stabilizing, produces water turbidity and is less than 2NTU, produces water petroleum class content lower than 10mg/L, meets the requirement of electrodialysis influent quality;
(3) salinity of fracturing outlet liquid can be down to below 1000mg/L by electrodialysis unit under higher current efficiency, wherein the clearance of calcium ion and magnesium ion maintains more than 90%, in product water, chloride ion content is lower than 350mg/L, and the water quality meeting fracturing outlet liquid reuse is asked;
(4) ceramic membrane element and electrodialysis unit show good stain resistance, can stable for extended periods of time run; Can more than 95% be reached through matting membrane performance recovery after pollution.
Accompanying drawing explanation
Fig. 1 is a kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment structural representation of the utility model.
In figure: 1 be water-in, 2 be mechanical grille pond, 3 be oil trap, 4 be agglomerated air floatation pond, 5 be equalizing tank, 6 be topping-up pump, 7 be ceramic membrane equalizing tank, 8 be ceramic membrane, 9 be electrodialytic cell, 10 be water outlet, 11 be ash pit, 12 be aeration tube, 13 be flocculation-air floating pond, 14 be flocculation stirring device, 15 be agitator motor, 16 be filtration unit, 17 for air compressor machine.
Embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the utility model.
With reference to accompanying drawing 1, a kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment, comprise the pretreatment pool assembly, ceramic membrane equalizing tank 7, filtration unit 16, the electrodialytic cell 9 that connect successively, described filtration unit comprises ceramic membrane 8, described ceramic membrane top connects ceramic membrane equalizing tank 7 by topping-up pump 6, the end of ceramic membrane is connected to electrodialytic cell 9, sets out the mouth of a river 10 on rear side of described electrodialytic cell, and described ceramic membrane is also connected with air compressor machine 17.Described pretreatment pool assembly comprise connect successively oil trap 3, agglomerated air floatation pond 4, equalizing tank 5, flocculation-air floating pond 13, the top of described oil trap is also provided with mechanical grille pond 2, and water-in 1 is offered in described mechanical grille pond and inside arranges grid.Also dissolving is connected by aeration tube 12 between described agglomerated air floatation pond and flocculation-air floating pond.Be provided with flocculation stirring device 14 in described flocculation-air floating pond, this agitator is driven by interconnective agitator motor 15.The upper end inwall in described flocculation-air floating pond is provided with ash pit 11.
First fracturing outlet liquid is sent into mechanical grille pond 2 by water-in 1, remove the water outlets such as bulk pollutent through mechanical grille and enter oil trap 3, after removing oil slick by oil trap 3, water outlet enters agglomerated air floatation pond 4, equalizing tank 5 is entered after filler in agglomerated air floatation pond 4, flocculation-air floating pond 13 is entered after regulating pondage, stir through dosing and flocculation stirring device 14, be air flotation pool aeration by aeration tube 12 and dissolving, the body refuse that air flotation pool floats is discharged by ash pit 11, after the process of dosing flocculation-air floating, water outlet enters ceramic membrane equalizing tank 7, the ceramic membrane 8 entering filtration unit 16 through topping-up pump 6 supercharging filters, the pressurized air that ceramic membrane is produced by air compressor machine 17 carries out back flushing, ceramic membrane water outlet enters electrodialytic cell 9, after electrodialysis process, the object of reuse can be reached by water outlet 10 water outlet.
The processing intent of fracturing outlet liquid is changed into " resource circulation utilization " by " producing water qualified discharge " by the utility model.Return that discharge opeing COD value is high, petroleum content is high, viscosity is large for oil field compression fracture, complicated component, be difficult to the present situation of effectively process, the utility model retains part effective constituent (viscosifying agent, sterilant, linking agent, stablizer and cleanup additive etc.) in water body, suspended substance, petroleum-type and the salt removed in water body grades pointedly, meets the target of reuse after realizing fracturing outlet liquid process.
The foregoing is only preferred embodiment of the present utility model, be not used to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (5)
1. a unconventional exploratory development fracturing outlet liquid recycling and processing equipment, it is characterized in that, comprise the pretreatment pool assembly, ceramic membrane equalizing tank, filtration unit, the electrodialytic cell that connect successively, described filtration unit comprises ceramic membrane, described ceramic membrane top connects ceramic membrane equalizing tank by topping-up pump, the end of ceramic membrane is connected to electrodialytic cell, sets out the mouth of a river on rear side of described electrodialytic cell, and described ceramic membrane is also connected with air compressor machine.
2. one according to claim 1 unconventional exploratory development fracturing outlet liquid recycling and processing equipment, it is characterized in that, described pretreatment pool assembly comprise connect successively oil trap, agglomerated air floatation pond, equalizing tank, flocculation-air floating pond, the top of described oil trap is also provided with mechanical grille pond, and water-in is offered in described mechanical grille pond and inside arranges grid.
3. one according to claim 2 unconventional exploratory development fracturing outlet liquid recycling and processing equipment, is characterized in that, also connects dissolving by aeration tube between described agglomerated air floatation pond and flocculation-air floating pond.
4. one according to claim 2 unconventional exploratory development fracturing outlet liquid recycling and processing equipment, is characterized in that, be provided with flocculation stirring device in described flocculation-air floating pond, this agitator is driven by interconnective agitator motor.
5. one according to claim 2 unconventional exploratory development fracturing outlet liquid recycling and processing equipment, is characterized in that, the upper end inwall in described flocculation-air floating pond is provided with ash pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696717.XU CN204211581U (en) | 2014-11-19 | 2014-11-19 | A kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696717.XU CN204211581U (en) | 2014-11-19 | 2014-11-19 | A kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment |
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| Publication Number | Publication Date |
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| CN204211581U true CN204211581U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420696717.XU Expired - Fee Related CN204211581U (en) | 2014-11-19 | 2014-11-19 | A kind of unconventional exploratory development fracturing outlet liquid recycling and processing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138068A (en) * | 2020-01-06 | 2020-05-12 | 山东新希望六和集团有限公司 | Duck's excrement electric osmosis dewatering system |
-
2014
- 2014-11-19 CN CN201420696717.XU patent/CN204211581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138068A (en) * | 2020-01-06 | 2020-05-12 | 山东新希望六和集团有限公司 | Duck's excrement electric osmosis dewatering system |
| CN111138068B (en) * | 2020-01-06 | 2022-03-01 | 山东新希望六和集团有限公司 | Duck's excrement electric osmosis dewatering system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20151119 |
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| EXPY | Termination of patent right or utility model |