CN207017976U - A kind of new shale gas produced water treatment device - Google Patents
A kind of new shale gas produced water treatment device Download PDFInfo
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- CN207017976U CN207017976U CN201720473135.9U CN201720473135U CN207017976U CN 207017976 U CN207017976 U CN 207017976U CN 201720473135 U CN201720473135 U CN 201720473135U CN 207017976 U CN207017976 U CN 207017976U
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- shale gas
- deoxidizing
- machine
- processing system
- tank
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Abstract
The utility model provides a kind of new shale gas produced water treatment device, including first stage suspension thing processing system, secondary softening desalting processing system and three-level deoxidation treatment system, suspended matter processing system includes gravity oil-removing tank and holding vessel, softening desalination system includes retort and chemical precipitation tank, and deoxygenation system includes overweight power deoxidizing machine and knockout drum；Gravity oil-removing tank is connected with holding vessel, holding vessel is connected with retort, retort is connected with chemical precipitation tank, chemical precipitation tank is connected by being provided with the manifold of stratum water oxygen content testing instrument with overweight power deoxidizing machine, overweight power deoxidizing machine is connected by waterline with knockout drum, overweight power deoxidizing machine is connected with shale gas entrance manifold and shale gas outlet manifold, and knockout drum is connected with stratum water outlet line and shale gas outlet line.A kind of new shale gas produced water treatment device of the present utility model, shale gas recovered water can be handled and carry out re-injection.
Description
Technical field
A kind of shale gas produced water treatment device is the utility model is related to, it is especially a kind of new with tertiary treatment ability
Type shale gas produced water treatment device.
Background technology
Shale gas as a kind of important unconventional gas resource, its develop have the production cycle is long, production life of well is long,
The features such as gas-bearing area is greatly and Hydrocarbon Migration distance is shorter, and be in the resource reserve very abundant in the whole world, mining resources total amount
187. 6×1012m3, North America, Asia, Europe And Africa are mainly distributed on, shale gas has become Global Oil and Gas Resources and opened at present
The new highlight of hair.In recent ten years, the development of horizontal well and hydraulic fracturing technology is more ripe so that the extensive business of shale gas
Industry is developed into possibility.But meanwhile the exploitation of shale gas resource but easily cause air pollution, greenhouse gas emission, radiation with
And the problem of environmental pollution such as extraction water pollution, water pollution problems is particularly produced, has caused countries in the world government and street levels
Concern.Therefore, prior art needs a kind of technology handled shale gas recovered water badly, asked with solving the pollution of recovered water
Topic.
Utility model content
The purpose of this utility model is to provide a kind of new shale gas produced water treatment dress with tertiary treatment ability
Put, can effectively solve the pollution problem of shale gas recovered water.
What a kind of shale gas produced water treatment device provided by the utility model was realized in：At first stage suspension thing
Reason system, secondary softening desalting processing system and three-level deoxidation treatment system, first stage suspension thing processing system are removed including gravity
Oil tank and holding vessel, secondary softening desalting processing system include retort and chemical precipitation tank, and three-level deoxidation treatment system includes
Overweight power deoxidizing machine and knockout drum.
Preferably, chemical precipitation tank can also use inclined plate sedimentation tank.
Gravity oil-removing tank one end is connected with back with water inlet line, and gravity oil-removing tank is connected with holding vessel by water outlet pipeline, storage
The tank other end is connected by manifold with the retort in secondary softening desalting processing system, and retort passes through pipeline and chemical precipitation
Tank is connected, chemical precipitation tank by be provided with the manifold of stratum water oxygen content testing instrument with it is overweight in three-level deoxidation treatment system
Power oxygen remove is connected, and overweight power deoxidizing machine is connected by waterline with knockout drum, and described overweight power deoxidizing machine one end is connected with
Shale gas entrance manifold, the overweight power deoxidizing machine top are also associated with shale gas outlet manifold, the knockout drum bottom connection
There is stratum water outlet line, shale gas outlet line is also associated with the top of the knockout drum.
The characteristics of the utility model, also resides in,
Multiple medicine grooves for holding different chemical agents are included in retort.
The advantages of the utility model：The stratum water that can produce shale gas well is recycled, and has both improved the profit at water source
With rate, prevent pollution of the produced water to earth's surface again, at the same three-level deaerating type of cycles effectively prevent it is oxygen-containing in the water of stratum
Corrosion of the composition to surface line and underground flowline, extend the Production Life of gas well.
Brief description of the drawings
Fig. 1 is a kind of structural representation of new shale gas produced water treatment device provided by the utility model.
Fig. 2 is first stage suspension thing processing system structural representation.
Fig. 3 is secondary softening desalting processing system structure diagram.
Fig. 4 is three-level deoxidation treatment system structure diagram.
In figure, 1. first stage suspension thing processing systems, 2. secondary softening desalting processing systems, 3. three-level deoxidation treatment systems,
4. stratum water oxygen content testing instrument, 101. gravity oil-removing tanks, 102. water outlet pipelines, 103. holding vessels, 201. retort, 202. change
Settling tank, 301. shale gas outlet manifold, 302. shale gas entrance manifolds, 303. overweight power deoxidizing machines, 304. knockout drums,
305. stratum water outlet lines, 306. shale gas outlet lines.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the present application, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
A kind of new shale gas produced water treatment device provided by the utility model, its structure as shown in figure 1, including：One
Level suspended matter processing system 1, secondary softening desalting processing system 2 and three-level deoxidation treatment system 3.
First stage suspension thing processing system 1 is to carry out suspension processing to recovered water, and first stage suspension thing processing system 1 is wrapped
Include gravity oil-removing tank 101 and holding vessel 103.Main grease, fracturing fluid residual components and the suspension removed in recovered water
Particle.Grease process object includes oil slick, dispersed oil and oil emulsion, when lubricant component is mainly oil slick in recovered water, adopts
With the processing mode of " gravity/sedimentation separation+electrochemistry/chemical flocculation ";When lubricant component is predominantly scattered in recovered water
When oil is with oil emulsion, using the processing mode of " filtering/coarse+electrochemistry/chemical flocculation ".Gravity oil-removing tank 101 1
End is connected with back with water inlet line, and recovered water enters gravity oil-removing tank 101, gravity oil-removing tank 101 and holding vessel by back with water inlet line
103 are connected by water outlet pipeline 102, and the stratum recovered water handled by gravity oil-removing tank 101 passes through water outlet pipeline 102
Holding vessel 103 is entered, is stored in holding vessel 103, in case being carried out down into secondary softening desalting processing system 2
The processing of one step.
Preferably, " Gravity Separation/sedimentation separation/filtering is used according to recovered water water quality in coagulation system
The technology of/coarse+electrochemistry flocculation ".
Secondary softening desalting processing system 2 is that recovered water is softened, and secondary softening desalting processing system 2 includes
Retort 201 and chemical precipitation tank 202.Remove the metal such as Ca2+, Mg2+, Ba2+ and Sr2+ in recovered water from
Son.Recovered water in holding vessel 103 passes through in manifold and secondary softening desalting processing system 2 in the other end of holding vessel 103
Retort 201 be connected, have in retort 201 various chemical agents be used for handle metal ion in waste water.
Preferably, multiple medicine grooves for holding different chemical agents are included in retort 201.
Retort 201 is connected by pipeline with chemical precipitation tank 202, by handling the metal ion in recovered water
Method is precipitated in chemical precipitation tank 202, can specifically use mechanical vapor-compression（MVC）Technology, membrane distillation（MD）
Technology and positive osmosis（FO）Carry out desalination.
Further, when softening to recovered water, using SSP（sequential precipitation
process）The stepping precipitation method so that secondary softening treatment effect significantly improves.
Preferably, chemical precipitation tank 202 can also use sloping plate deposition tank.
Three-level deoxidation treatment system 3 includes overweight power deoxidizing machine 303 and knockout drum 304, three-level deoxidation treatment system
3 to recovered water primarily to carry out deoxidation, this is also the most intractable stage in tertiary treatment technology.Chemical precipitation tank
202 by being provided with the manifold of stratum water oxygen content testing instrument 4 and the overweight power deoxidizing in three-level deoxidation treatment system 3
Machine 303 is connected, and stratum water oxygen content testing instrument 4 can detect the oxygen-containing of the recovered water after secondary treatment system is handled
Measure, and then carry out the running time of three-level deoxygenation system according to the numerical value measured, recovered water enters overweight power deoxidizing machine
After 303, the shale gas mixing for the entrance of shale gas entrance manifold 302 being connected with by the one end of overweight power deoxidizing machine 303, enter
Row overweight power deoxidizing operation.After the completion of operation, the shale gas containing oxygen entered overweight power deoxidizing machine top and was connected with after mixing
Shale gas outlet manifold 301 flow out, the recovered water after deoxidation is entered point by the waterline of overweight power deoxidizing machine 303
From in tank 304, recovered water is stood in knockout drum 304, and the shale gas dissolved in recovered water is by the top of knockout drum 304
Connection shale gas outlet line 306 is discharged, the stratum water out that the recovered water after standing is connected by the bottom of knockout drum 304
It is standby that pipeline 305 enters shale gas well re-injection system.
It is described above, preferable embodiment only of the present utility model, but the scope of protection of the utility model is simultaneously
This is not limited to, all those familiar with the art are disclosed in the utility model in technical scope, according to this reality
It is subject to equivalent substitution or changes to cover of the present utility model with new technical scheme and its design of the present utility model
Within protection domain.
Claims (3)
- A kind of 1. new shale gas produced water treatment device, it is characterised in that：Including first stage suspension thing processing system（1）, two level Softening desalination processing system（2）And three-level deoxidation treatment system（3）, the first stage suspension thing processing system（1）Including gravity Oil removing pot（101）And holding vessel（103）, the secondary softening desalting processing system（2）Including retort（201）And chemical precipitation Tank（202）, the three-level deoxidation treatment system（3）Including overweight power deoxidizing machine（303）And knockout drum（304）, the gravity removes Oil tank（101）One end is connected with back with water inlet line, gravity oil-removing tank（101）And holding vessel（103）Pass through water outlet pipeline（102）Phase Even, holding vessel（103）The other end passes through manifold and secondary softening desalting processing system（2）In retort（201）It is connected, reaction Tank（201）Pass through pipeline and chemical precipitation tank（202）It is connected, chemical precipitation tank（202）Examined by being provided with stratum water oxygen content Survey instrument（4）Manifold and three-level deoxidation treatment system（3）In overweight power deoxidizing machine（303）It is connected, overweight power deoxidizing machine（303） Pass through waterline and knockout drum（304）It is connected, the overweight power deoxidizing machine（303）One end is connected with shale gas entrance manifold （302）, the overweight power deoxidizing machine（303）Top is also associated with shale gas outlet manifold（301）, the knockout drum（304）Bottom Portion is connected with stratum water outlet line（305）, the knockout drum top is also associated with shale gas outlet line（306）.
- A kind of 2. new shale gas produced water treatment device according to claim 1, it is characterised in that the retort （201）It is interior to include multiple medicine grooves for holding different chemical agents.
- A kind of 3. new shale gas produced water treatment device according to claim 1, it is characterised in that the chemical precipitation Tank（202）Inclined plate sedimentation tank can also be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720473135.9U CN207017976U (en) | 2017-05-04 | 2017-05-04 | A kind of new shale gas produced water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720473135.9U CN207017976U (en) | 2017-05-04 | 2017-05-04 | A kind of new shale gas produced water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207017976U true CN207017976U (en) | 2018-02-16 |
Family
ID=61460851
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720473135.9U Expired - Fee Related CN207017976U (en) | 2017-05-04 | 2017-05-04 | A kind of new shale gas produced water treatment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207017976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892193A (en) * | 2018-07-19 | 2018-11-27 | 张家港市五湖新材料技术开发有限公司 | Carbon dioxide drive recovered water fast eliminating CO2System and method |
-
2017
- 2017-05-04 CN CN201720473135.9U patent/CN207017976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892193A (en) * | 2018-07-19 | 2018-11-27 | 张家港市五湖新材料技术开发有限公司 | Carbon dioxide drive recovered water fast eliminating CO2System and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180216 Termination date: 20180504 |