CN213738947U - Shale gas recovery returns flowing back processing system - Google Patents
Shale gas recovery returns flowing back processing system Download PDFInfo
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- CN213738947U CN213738947U CN202022500090.4U CN202022500090U CN213738947U CN 213738947 U CN213738947 U CN 213738947U CN 202022500090 U CN202022500090 U CN 202022500090U CN 213738947 U CN213738947 U CN 213738947U
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Abstract
The utility model discloses a flowing back processing system is returned in shale gas exploitation, including the equalizing basin, the air supporting deoiling pond that is connected with the equalizing basin, the coagulating sedimentation tank that is connected with the air supporting deoiling pond, the fenton tower that is connected with the coagulating sedimentation tank, the broken glue sedimentation tank that is connected with the fenton tower, the ozone oxidation tower that is connected with the broken glue sedimentation tank, the multi-media filter who is connected with the ozone oxidation tower, the tubular milipore filter that is connected with the multi-media filter, the special membrane of DTRO who is connected with the tubular milipore filter, the crystallization equipment who is connected with the special membrane of DTRO to and the solid waste treatment facility who is connected with the crystallization equipment; and the permeation liquid of the DTRO special membrane is connected with a sewage treatment plant through a pipeline. The utility model provides a flowing back processing system is returned in shale gas exploitation links up through reasonable equipment, and the effectual processing procedure that returns the flowing back of having accomplished will finally return flowing back and handle and become solid waste, crystal and water up to standard and handle or recycle, the fine development that has promoted the trade.
Description
Technical Field
The utility model relates to a flow back liquid processing field specifically indicates a flowing back processing system is returned in shale gas exploitation.
Background
Fracturing flowback fluid generated in shale gas exploitation cannot be directly discharged, otherwise, the environment is greatly polluted, and therefore the flowback fluid needs to be treated firstly. However, how to effectively set various devices and reduce the investment of the devices and the consumption of production space is the research and development focus of various enterprises nowadays.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned problem, provide a flowing back processing system is returned in shale gas exploitation, link up through reasonable equipment, the effectual processing procedure that returns the flowing back of having accomplished, will finally return flowing back and handle and become solid waste, crystalline solid and water up to standard and handle or recycle, the fine development that has promoted the trade.
The purpose of the utility model is realized through the following technical scheme:
a shale gas recovery flowback liquid treatment system comprises an adjusting tank, an air flotation oil removal tank connected with the adjusting tank, a coagulating sedimentation tank connected with the air flotation oil removal tank, a Fenton tower connected with the coagulating sedimentation tank, a gel breaking sedimentation tank connected with the Fenton tower, an ozone oxidation tower connected with the gel breaking sedimentation tank, a multi-media filter connected with the ozone oxidation tower, a tubular ultrafiltration membrane connected with the multi-media filter, a DTRO special membrane connected with the tubular ultrafiltration membrane, crystallization equipment connected with the DTRO special membrane, and solid waste treatment equipment connected with the crystallization equipment; and the permeation liquid of the DTRO special membrane is connected with a sewage treatment plant through a pipeline.
Furthermore, the crystallization equipment consists of a softening sedimentation tank and an evaporative crystallizer connected with the softening sedimentation tank.
Still further, the solid waste treatment equipment consists of a concentration tank, a screw stacking machine connected with the concentration tank and a water collecting tank connected with the screw stacking machine.
Preferably, the concentration tank is also connected with an air floatation oil removal tank, a coagulating sedimentation tank and a gel breaking sedimentation tank; the water inlet end of the water collecting tank is connected with the water outlet end of the spiral shell stacking machine, and the water outlet end of the water collecting tank is connected with the adjusting tank.
Preferably, the water inlet end of the softening sedimentation tank is connected with a concentrated solution discharge port of the DTRO special membrane, and the water outlet end of the softening sedimentation tank is connected with the concentration tank or connected with a sewage treatment plant through a pipeline; and a concentrated solution outlet of the tubular ultrafiltration membrane is connected with the regulating tank, and a permeate outlet of the tubular ultrafiltration membrane is connected with the DTRO special membrane.
Preferably, the stacking screw machine dehydrates the sludge in the concentration tank to form solid waste for stacking, and simultaneously sends the dehydrated water into the collecting tank.
Preferably, the evaporative crystallizer is used for processing the concentrated solution treated by the softening and precipitating tank into crystals for stacking or recycling.
Preferably, the sewage treatment plant treats the sewage into standard water and then discharges or recycles the standard water.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses a reasonable equipment links up, and the effectual processing procedure that returns the flowing back of having accomplished will finally return flowing back and handle and become solid waste, crystal and water up to standard and handle or recycle, the fine development that has promoted the trade.
Drawings
Fig. 1 is a block diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
As shown in fig. 1, a shale gas recovery flowback liquid treatment system comprises an adjusting tank, an air flotation oil removal tank connected with the adjusting tank, a coagulating sedimentation tank connected with the air flotation oil removal tank, a fenton tower connected with the coagulating sedimentation tank, a gel breaking sedimentation tank connected with the fenton tower, an ozone oxidation tower connected with the gel breaking sedimentation tank, a multi-media filter connected with the ozone oxidation tower, a tubular ultrafiltration membrane connected with the multi-media filter, a DTRO special membrane connected with the tubular ultrafiltration membrane, a crystallization device connected with the DTRO special membrane, and a solid waste treatment device connected with the crystallization device; and the permeation liquid of the DTRO special membrane is connected with a sewage treatment plant through a pipeline.
Above-mentioned each equipment is current equipment, and the linking between the equipment of the better completion equipment of the aim at of this application, the required equipment quantity that uses in the liquid processing procedure is returned in abundant saving, and then reduces the required production space who occupies of liquid processing that returns. The use and installation modes of the above devices are the prior art in the field, and the installation and use of the devices can be completed by a person skilled in the art without creative labor, which is not described herein again.
The crystallization equipment consists of a softening sedimentation tank and an evaporation crystallizer connected with the softening sedimentation tank.
The solid waste treatment equipment consists of a concentration tank, a screw stacking machine connected with the concentration tank and a water collecting tank connected with the screw stacking machine.
The concentration tank is also connected with the air floatation oil removal tank, the coagulating sedimentation tank and the gel breaking sedimentation tank; the water inlet end of the water collecting tank is connected with the water outlet end of the spiral shell stacking machine, and the water outlet end of the water collecting tank is connected with the adjusting tank.
The water inlet end of the softening sedimentation tank is connected with a concentrated solution discharge port of the DTRO special membrane, and the water outlet end of the softening sedimentation tank is connected with the concentration tank or connected with a sewage treatment plant through a pipeline; and a concentrated solution outlet of the tubular ultrafiltration membrane is connected with the regulating tank, and a permeate outlet of the tubular ultrafiltration membrane is connected with the DTRO special membrane.
The filtering and separating process of tubular ultrafiltering membrane is a sieve pore separating process related to the pore size of membrane, and the pressure difference between two sides of membrane is used as driving force, and the ultrafiltering membrane is used as filtering medium, i.e. under the action of a certain pressure, when the mixed solution containing large and small molecular solutes flows over the surface of the membrane, the solvent and small molecular solutes (such as inorganic salts) can permeate through the ultrafiltering membrane. The large molecular solute is intercepted by the ultrafiltration membrane due to the volume larger than the pore diameter of the membrane, and is recovered as concentrated solution. Thus realizing the purposes of purifying, separating and concentrating the stock solution.
The spiral shell stacking machine dehydrates sludge in the concentration tank to form solid waste for stacking, and simultaneously sends dehydrated water into the water collecting tank.
The evaporation crystallizer is used for processing the concentrated solution treated by the softening sedimentation tank into crystals for stacking or recycling.
The sewage treatment plant treats the sewage into standard water and then discharges or recycles the standard water.
As described above, the utility model discloses alright fine realization.
Claims (8)
1. The utility model provides a flowing back processing system is returned in shale gas exploitation which characterized in that: the device comprises an adjusting tank, an air floatation oil removal tank connected with the adjusting tank, a coagulating sedimentation tank connected with the air floatation oil removal tank, a Fenton tower connected with the coagulating sedimentation tank, a gel breaking sedimentation tank connected with the Fenton tower, an ozone oxidation tower connected with the gel breaking sedimentation tank, a multi-media filter connected with the ozone oxidation tower, a tubular ultrafiltration membrane connected with the multi-media filter, a DTRO special membrane connected with the tubular ultrafiltration membrane, crystallization equipment connected with the DTRO special membrane, and solid waste treatment equipment connected with the crystallization equipment; and the permeation liquid of the DTRO special membrane is connected with a sewage treatment plant through a pipeline.
2. The shale gas production flowback fluid treatment system of claim 1, wherein: the crystallization equipment consists of a softening sedimentation tank and an evaporation crystallizer connected with the softening sedimentation tank.
3. The shale gas production flowback fluid treatment system of claim 2, wherein: the solid waste treatment equipment consists of a concentration tank, a screw stacking machine connected with the concentration tank and a water collecting tank connected with the screw stacking machine.
4. The shale gas production flowback fluid treatment system of claim 3, wherein: the concentration tank is also connected with the air floatation oil removal tank, the coagulating sedimentation tank and the gel breaking sedimentation tank; the water inlet end of the water collecting tank is connected with the water outlet end of the spiral shell stacking machine, and the water outlet end of the water collecting tank is connected with the adjusting tank.
5. The shale gas production flowback fluid treatment system of claim 4, wherein: the water inlet end of the softening sedimentation tank is connected with a concentrated solution discharge port of the DTRO special membrane, and the water outlet end of the softening sedimentation tank is connected with the concentration tank or connected with a sewage treatment plant through a pipeline; and a concentrated solution outlet of the tubular ultrafiltration membrane is connected with the regulating tank, and a permeate outlet of the tubular ultrafiltration membrane is connected with the DTRO special membrane.
6. The shale gas production flowback fluid treatment system of claim 5, wherein: the spiral shell stacking machine dehydrates sludge in the concentration tank to form solid waste for stacking, and simultaneously sends dehydrated water into the water collecting tank.
7. The shale gas production flowback fluid treatment system of claim 6, wherein: the evaporation crystallizer is used for processing the concentrated solution treated by the softening sedimentation tank into crystals for stacking or recycling.
8. The shale gas production flowback fluid treatment system of claim 7, wherein: the sewage treatment plant treats the sewage into standard water and then discharges or recycles the standard water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022500090.4U CN213738947U (en) | 2020-11-02 | 2020-11-02 | Shale gas recovery returns flowing back processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022500090.4U CN213738947U (en) | 2020-11-02 | 2020-11-02 | Shale gas recovery returns flowing back processing system |
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| Publication Number | Publication Date |
|---|---|
| CN213738947U true CN213738947U (en) | 2021-07-20 |
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| CN202022500090.4U Active CN213738947U (en) | 2020-11-02 | 2020-11-02 | Shale gas recovery returns flowing back processing system |
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| CN (1) | CN213738947U (en) |
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- 2020-11-02 CN CN202022500090.4U patent/CN213738947U/en active Active
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