CN204079666U - One is applied to shale gas recirculation water circulation and stress treatment unit - Google Patents
One is applied to shale gas recirculation water circulation and stress treatment unit Download PDFInfo
- Publication number
- CN204079666U CN204079666U CN201420558247.0U CN201420558247U CN204079666U CN 204079666 U CN204079666 U CN 204079666U CN 201420558247 U CN201420558247 U CN 201420558247U CN 204079666 U CN204079666 U CN 204079666U
- Authority
- CN
- China
- Prior art keywords
- pond
- shale gas
- treatment unit
- recirculation water
- gas recirculation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000005345 coagulation Methods 0.000 claims abstract description 31
- 230000015271 coagulation Effects 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 claims abstract description 21
- 238000005189 flocculation Methods 0.000 claims abstract description 17
- 230000016615 flocculation Effects 0.000 claims abstract description 17
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 6
- 239000000701 coagulant Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000005352 clarification Methods 0.000 abstract description 2
- 230000003311 flocculating effect Effects 0.000 abstract description 2
- 230000001590 oxidative effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses one and be applied to shale gas recirculation water circulation and stress treatment unit, this device comprises backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, filter press pond, clean water basin, backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, absorption filtering pool, clean water basin are connected in turn by pipeline, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, absorption filtering pool is all connected with filter press pond by pipeline, the utility model effectively can realize recirculation water oxidizing reduction in shale gas well construction process, flocculating settling, solid-liquid separation, filter clarification, reach recycle, the object of qualified discharge.
Description
Technical field
The utility model belongs to shale gas exploitation technical field of waste water processing, specifically refers to that one is applied to shale gas recirculation water circulation and stress treatment unit.
Background technology
Shale gas development of resources not only consumes a large amount of water resourcess, and also can cause potential threat to ecotope.The fracturing liquid that shale gas well produces and local water, be referred to as recirculation water, its volume accounts for 30% ~ 70% of original injection highly pressurised liquid, except containing except the chemical additive composition in highly pressurised liquid in recirculation water, also containing hydrocarbon compound, heavy metal and high dissolved solids (TDS) etc., TDS composition mainly comprises calcium, potassium, magnesium, sodium, muriate and carbonate and the naturally occurring radioactive substance from gas reservoir rock stratum.
Although reclaim at present and may reduce with circulation utilization method the recirculation water needing to process or dispose, but along with a large amount of exploitations of shale gas, the backflow water yield to be processed is needed to increase severely, and containing chemical substance in recirculation water, it processes not in time or reveals, and all can cause immeasurable impact to water quality and ecotope.
Therefore, a kind of inexorable trend recycling research of shale gas recirculation water having been become to following water quality protection and utilization is carried out.
Utility model content
The purpose of this utility model is: provide one to be applied to shale gas recirculation water circulation and stress treatment unit, makes shale gas recirculation water discharge opeing water outlet after treatment reach effluent quality requirement, solves the water resources challenge that shale gas brings.
The utility model is achieved through the following technical solutions: this device comprises backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, filter press pond, clean water basin, backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, absorption filtering pool, clean water basin are connected in turn by pipeline, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, absorption filtering pool is all connected with filter press pond by pipeline.
Further, the upper end of described coagulation basin is provided with coagulant dosage device, and the bottom of coagulation basin is provided with agitator.
Further, the upper end of described acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank is all supporting is provided with charging device.
Further, the bottom in described acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond is equipped with agitator.
Further, described coagulant dosage device is built with iron system inorganic coagulant, and consumption is 8000 ~ 10000mg/l, and churning time is 10 ~ 20min.
Further, be provided with air aeration device bottom described micro cell, aeration rate is 600 ~ 700L/h.
Further, described acidity adjustment pond is the rectangle form pool body of skeleton construction, is hung with half soft bio-packing apparatus in pond.
Further, be provided with the adsorption column that granular carbon is housed in described absorption filtering pool, rate of adsorption is 10 ~ 15m
3/ h.
Further, enhanced coagulation equipment is configured with in described coagulation basin.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model with coagulation basin, micro cell, persulfuric acid catalyzed oxidation pond for core, according to shale gas recirculation water practical situation, implement above-mentioned treatment unit successively, recirculation water after treatment, effluent quality can reach discharging standards, also can recycle, this treatment unit processing efficiency is high, and system stability is high;
(2) the utility model effectively can realize recirculation water oxidizing reduction in shale gas well construction process, flocculating settling, solid-liquid separation, filtration clarification, reaches recycle, the object of qualified discharge;
(3) the utility model can improve recirculation water utilization ratio, reduces costs.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
The primary structure of the present embodiment, as shown in Figure 1, one is applied to shale gas recirculation water circulation and stress treatment unit, this device comprises backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, filter press pond, clean water basin, backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, absorption filtering pool, clean water basin are connected in turn by pipeline, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, absorption filtering pool is all connected with filter press pond by pipeline.
Utility model works flow process: the recirculation water that shale gas well produces in construction process, wherein containing hydrocarbon compound, heavy metal and high dissolved solids (TDS), TDS composition mainly comprises calcium, potassium, magnesium, sodium, muriate and carbonate and the naturally occurring radioactive substance from gas reservoir rock stratum, and these compositions will produce potential great harm to ecotope.Recirculation water is transported to predetermined processing enter by storage car and processes through treatment unit, first backflow pond is entered, processed by coagulation basin, by adding coagulating agent as iron system inorganic coagulant, by to its consumption, churning time adjusts, in time having alumen ustum formed and no longer increase, stop stirring, and precipitate about 20min, its supernatant liquor is by filtering, enter acidity adjustment pond, regulate its PH, and limit adds PH conditioning agent calcium hydroxide or the vitriol oil, limit is stirred, adjust its pH value and be about 4, mud bottom coagulation basin is delivered to filter press pond by sludge pump, processed compressed is carried out through the plate-and-frame filter press be arranged in filter press pond.Recirculation water after acidity adjustment enters micro cell, by the control to its electrolysis time, effective removal is heavy metal ion etc. wherein, recirculation water after micro cell process enters persulfuric acid catalyzed oxidation pond oxide treatment, flocculation sedimentation tank precipitation process effectively can process suspended substance in recirculation water or impurity, then through settling bowl, absorption filtering pool does further purifying treatment, after absorption filtering pool process, supernatant liquor is after regulating pH value, enter clean water basin recycling or carry out circular treatment again, the sedimentary suspension liquid of band that absorption filtering pool produces, enter filter press pond, and carry out mud recycling by the plate-and-frame filter press be arranged in filter press pond.
Embodiment 2:
The upper end that the present embodiment limits described coagulation basin further on the basis of embodiment 1 is provided with coagulant dosage device, and the bottom of coagulation basin is provided with agitator.The dosage of coagulating agent can set as required automatically, and while adding coagulating agent, the agitator being arranged at the bottom of coagulation basin is started working, and realizes the effective coagulating treatment of the material such as heavy metal component, suspended substance in recirculation water; And limit further described acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank upper end be all supportingly provided with charging device, the bottom in described acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond is equipped with agitator, in acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank upper end and bottom arrange charging device and agitator respectively, the upper end of its principle and coagulation basin arranges coagulant dosage device, and the principle of work arranging agitator in the bottom of the bottom of coagulation basin is similar.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment limits described coagulant dosage device further built with iron system inorganic coagulant on the basis of above-described embodiment, consumption is 8000 ~ 10000mg/l, churning time is 10 ~ 20min, and the bottom of described micro cell is provided with air aeration device, aeration rate is 600 ~ 700L/h, arranged by this, effectively can realize the substance reactions such as the coagulating agent in coagulation basin and the high dissolved solids in recirculation water, and by arranging air aeration device bottom micro cell, strengthen its electrolytic efficiency, realize the efficient recovery process to recirculation water.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment limits the rectangle form pool body that described acidity adjustment pond is skeleton construction further on the basis of above-described embodiment, half soft biologic packing material is hung with in pond, acidity adjustment pond is when regulating recirculation water PH, and by arranging half soft biologic packing material in pond, the larger suspended substance of particle in recirculation water, impurity etc. effectively can be removed.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5:
The present embodiment limits in described absorption filtering pool further and is provided with the adsorption column that granular carbon is housed on the basis of above-described embodiment, and rate of adsorption is 10 ~ 15m
3/ h, and be configured with enhanced coagulation equipment in described coagulation basin.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls into protection domain of the present utility model.
Claims (9)
1. one kind is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: this device comprises backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, filter press pond, clean water basin, backflow pond, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, settling bowl, absorption filtering pool, clean water basin are connected in turn by pipeline, coagulation basin, acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank, absorption filtering pool is all connected with filter press pond by pipeline.
2. one according to claim 1 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: the upper end of described coagulation basin is provided with coagulant dosage device, and the bottom of coagulation basin is provided with agitator.
3. one according to claim 1 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: the upper end of described acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond, flocculation sedimentation tank is all supporting is provided with charging device.
4. one according to claim 1 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: the bottom in described acidity adjustment pond, micro cell, persulfuric acid catalyzed oxidation pond is equipped with agitator.
5. one according to claim 2 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: described coagulant dosage device is built with iron system inorganic coagulant, and consumption is 8000 ~ 10000mg/l, and churning time is 10 ~ 20min.
6. the one according to claim 1 to 5 any one is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: the bottom of described micro cell is provided with air aeration device, and aeration rate is 600 ~ 700L/h.
7. one according to claim 6 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: described acidity adjustment pond is the rectangle form pool body of skeleton construction, is hung with half soft biologic packing material in pond.
8. one according to claim 7 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: be provided with the adsorption column that granular carbon is housed in described absorption filtering pool, and rate of adsorption is 10 ~ 15m
3/ h.
9. one according to claim 8 is applied to shale gas recirculation water circulation and stress treatment unit, it is characterized in that: be configured with enhanced coagulation equipment in described coagulation basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558247.0U CN204079666U (en) | 2014-09-26 | 2014-09-26 | One is applied to shale gas recirculation water circulation and stress treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558247.0U CN204079666U (en) | 2014-09-26 | 2014-09-26 | One is applied to shale gas recirculation water circulation and stress treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204079666U true CN204079666U (en) | 2015-01-07 |
Family
ID=52172403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420558247.0U Expired - Lifetime CN204079666U (en) | 2014-09-26 | 2014-09-26 | One is applied to shale gas recirculation water circulation and stress treatment unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204079666U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000705A (en) * | 2015-08-21 | 2015-10-28 | 哈尔滨市金京锅炉有限公司 | Boiler water purifying and recycling device |
| CN105221134A (en) * | 2015-10-19 | 2016-01-06 | 中国石油大学(北京) | A kind of Fractured Gas Wells returns the method for discrimination that discharge opeing and formation water are formed |
| CN107939881A (en) * | 2017-12-31 | 2018-04-20 | 三橡股份有限公司 | A kind of compartment damping rubber pad and preparation method thereof |
| CN109071293A (en) * | 2016-08-23 | 2018-12-21 | 倢旸股份有限公司 | The recovery method of heavy metal sewage sludge |
| CN113735319A (en) * | 2021-09-10 | 2021-12-03 | 中煤科工集团南京设计研究院有限公司 | Sewage treatment method and system |
-
2014
- 2014-09-26 CN CN201420558247.0U patent/CN204079666U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000705A (en) * | 2015-08-21 | 2015-10-28 | 哈尔滨市金京锅炉有限公司 | Boiler water purifying and recycling device |
| CN105221134A (en) * | 2015-10-19 | 2016-01-06 | 中国石油大学(北京) | A kind of Fractured Gas Wells returns the method for discrimination that discharge opeing and formation water are formed |
| CN105221134B (en) * | 2015-10-19 | 2017-11-10 | 中国石油大学(北京) | A kind of Fractured Gas Wells return the method for discrimination that discharge opeing is formed with stratum water |
| CN109071293A (en) * | 2016-08-23 | 2018-12-21 | 倢旸股份有限公司 | The recovery method of heavy metal sewage sludge |
| CN107939881A (en) * | 2017-12-31 | 2018-04-20 | 三橡股份有限公司 | A kind of compartment damping rubber pad and preparation method thereof |
| CN113735319A (en) * | 2021-09-10 | 2021-12-03 | 中煤科工集团南京设计研究院有限公司 | Sewage treatment method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |