CN210367290U - Shale gas drilling operation waste water does not fall to ground preprocessing device - Google Patents
Shale gas drilling operation waste water does not fall to ground preprocessing device Download PDFInfo
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- CN210367290U CN210367290U CN201920829577.1U CN201920829577U CN210367290U CN 210367290 U CN210367290 U CN 210367290U CN 201920829577 U CN201920829577 U CN 201920829577U CN 210367290 U CN210367290 U CN 210367290U
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Abstract
The utility model relates to a shale gas drilling operation waste water is preprocessing device that does not fall to ground, its characterized in that: comprises an adjusting tank, a coagulation reaction tank, a coagulation dosing device, a sedimentation tank A, a clean water tank A, a reinforced micro-electrolysis reaction tank, a flocculation dosing device, a sedimentation tank B, a clean water tank B and a plate-and-frame filter press; the adjusting tank, the coagulation reaction tank, the coagulation dosing device, the sedimentation tank A and the clean water tank A are an integrated box structure treatment system; the clean water tank A, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are sequentially connected through pipelines; the flocculation reaction tank, the flocculation dosing device, the sedimentation tank B and the clean water tank B are an integrated box body structure treatment system; the utility model discloses use coagulating sedimentation processing unit and reinforce little electrolysis retort as the core, can realize not falling to the ground of shale gas drilling operation waste water and handle, go out water quality of water after handling and can reach reinjection, retrieval and utilization or relevant waste water discharge control standard requirement.
Description
Technical Field
The utility model relates to a shale gas operation waste water treatment equips the technique, especially a shale gas drilling operation waste water does not fall ground preprocessing device.
Background
Shale gas is unconventional natural gas existing in shale in an adsorption or free state, and has the advantages of large resource potential, long mining life and long production cycle. The shale gas reservoir is different from the conventional natural gas, has unique characteristics in the aspects of reservoir formation mechanism and occurrence characteristics, and can be exploited only under specific conditions. With the deep advance of energy transformation in China, the development of the shale gas in China is accelerated at present, but still in the starting stage, and a plurality of uncertainties still exist in the future development, so that how to deal with the relationship between the development of the shale gas resource and the ecological environment protection is a key problem and difficulty which are mainly solved for the stability and the greatest extent of the development and the release of the shale gas.
A large amount of waste water is generated in the shale gas drilling operation process, the waste water has complex composition, contains various components in mud, has high suspended matter concentration, contains pollutants such as oil and petroleum, heavy metal, organic matters, chloride and the like, has the composition and the concentration which change along with the changes of a drilling process, well depth, a drilling fluid system, stratum characteristics and the like, and is the waste water which is difficult to treat and is used for oil gas exploration and development. At present, shale gas drilling operation wastewater is mostly simply treated and then reused for other shale gas drilling operation water, but original part of pollutants which are difficult to treat in the wastewater are not effectively treated, and the part of wastewater which is not properly treated is reused for a long time, which probably brings adverse effects to a stratum ecosystem and the like. Therefore, the development of a feasible technical device capable of realizing safe recycling and land-falling-free treatment of the shale gas drilling operation wastewater is urgently needed.
Disclosure of Invention
The utility model aims to solve the problem that a shale gas drilling operation waste water does not fall ground preprocessing device is provided, makes shale gas drilling operation waste water after handling can reach reinjection, retrieval and utilization or relevant wastewater discharge control standard requirement to discharge to reach standard and provide the support for the advanced wastewater treatment.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a shale gas drilling operation waste water does not fall ground preprocessing device which characterized in that: comprises an adjusting tank, a coagulation reaction tank, a coagulation dosing device, a sedimentation tank A, a clean water tank A, a reinforced micro-electrolysis reaction tank, a flocculation dosing device, a sedimentation tank B, a clean water tank B and a plate-and-frame filter press; the adjusting tank, the coagulation reaction tank, the coagulation dosing device, the sedimentation tank A and the clean water tank A are an integrated box structure treatment system; the clean water tank A, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are sequentially connected through pipelines; the flocculation reaction tank, the flocculation dosing device, the sedimentation tank B and the clean water tank B are an integrated box body structure treatment system;
the shale gas drilling operation wastewater directly flows into the regulating reservoir through a wellhead drainage device and a pipeline, and the wastewater automatically flows into the coagulation reaction tank after the water quality and the water quantity of the wastewater are regulated by the regulating reservoir; the coagulated effluent automatically flows into a sedimentation tank A through a water distribution weir at the water inlet end of the sedimentation tank A, and the wastewater automatically flows into a clean water tank A through a water outlet weir of the sedimentation tank A after sedimentation treatment; sending the wastewater in the clean water tank A into a reinforced micro-electrolysis reaction tank by a lifting pump, and automatically flowing the effluent into a flocculation reaction tank from the upper part of the reaction tank; the flocculated effluent automatically flows into the sedimentation tank B through a water distribution weir at the water inlet end of the sedimentation tank B, and the wastewater automatically flows into a clean water tank B through a water outlet weir of the sedimentation tank B after sedimentation treatment.
The bottom of the adjusting tank is provided with a water distributor which can realize the functions of uniformly distributing water and stirring sludge at the bottom of the tank.
The sedimentation tank A is provided with a water distribution weir and a water outlet weir at the water inlet end and the water outlet end respectively, and the bottom of the sedimentation tank A is provided with a sludge hopper and an electric sludge discharge system.
The reinforced micro-electrolysis reaction tank is characterized in that concentrated sulfuric acid, hydrogen peroxide or sodium persulfate dosing pipelines are sequentially connected with a tank water inlet pipe, a micro-bubble aeration device and an uniform water distribution device are installed at the bottom of the tank, and a supporting net for supporting micro-electrolysis filler is installed in the middle of the tank.
The water inlet end and the water outlet end of the sedimentation tank B are respectively provided with a water distribution weir and a water outlet weir, and the bottom of the sedimentation tank B is provided with a sludge hopper and an electric sludge discharge system.
And the electric sludge discharge systems of the sedimentation tank A and the sedimentation tank B are respectively connected with the plate-and-frame filter press through pipelines.
And the electric sludge discharge systems of the sedimentation tank A and the sedimentation tank B are respectively connected with the automatic loading and unloading plate-and-frame filter press through pipelines.
The coagulation reaction tank, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are all provided with a pH on-line detector and an automatic dosing control system.
The utility model discloses following beneficial effect has: the utility model discloses use coagulating sedimentation processing unit and reinforce little electrolysis retort as the core, can realize not falling to the ground of shale gas drilling operation waste water and handle, go out water quality of water after handling and can reach reinjection, retrieval and utilization or relevant waste water discharge control standard requirement. The utility model discloses can provide important support for shale gas drilling operation waste water and even fracturing and gas production etc. waste water advanced treatment discharge to standard.
Drawings
FIG. 1 is a schematic view of a shale gas drilling operation wastewater non-landing pretreatment device.
Detailed Description
The technical scheme of the utility model is that: the utility model provides a shale gas drilling operation waste water does not fall ground preprocessing device which characterized in that: comprises an adjusting tank, a coagulation reaction tank, a coagulation dosing device, a sedimentation tank A, a clean water tank A, a reinforced micro-electrolysis reaction tank, a flocculation dosing device, a sedimentation tank B, a clean water tank B and a plate-and-frame filter press; the adjusting tank, the coagulation reaction tank, the coagulation dosing device, the sedimentation tank A and the clean water tank A are an integrated box structure treatment system; the clean water tank A, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are sequentially connected through pipelines; the flocculation reaction tank, the flocculation dosing device, the sedimentation tank B and the clean water tank B are an integrated box body structure treatment system;
the shale gas drilling operation wastewater directly flows into the regulating reservoir through a wellhead drainage device and a pipeline, and the wastewater automatically flows into the coagulation reaction tank after the water quality and the water quantity of the wastewater are regulated by the regulating reservoir; the coagulated effluent automatically flows into a sedimentation tank A through a water distribution weir at the water inlet end of the sedimentation tank A, and the wastewater automatically flows into a clean water tank A through a water outlet weir of the sedimentation tank A after sedimentation treatment; sending the wastewater in the clean water tank A into a reinforced micro-electrolysis reaction tank by a lifting pump, and automatically flowing the effluent into a flocculation reaction tank from the upper part of the reaction tank; the flocculated effluent automatically flows into the sedimentation tank B through a water distribution weir at the water inlet end of the sedimentation tank B, and the wastewater automatically flows into a clean water tank B through a water outlet weir of the sedimentation tank B after sedimentation treatment.
The bottom of the adjusting tank is provided with a water distributor which can realize the functions of uniformly distributing water and stirring sludge at the bottom of the tank.
The sedimentation tank A is provided with a water distribution weir and a water outlet weir at the water inlet end and the water outlet end respectively, and the bottom of the sedimentation tank A is provided with a sludge hopper and an electric sludge discharge system.
The reinforced micro-electrolysis reaction tank is characterized in that concentrated sulfuric acid, hydrogen peroxide or sodium persulfate dosing pipelines are sequentially connected with a tank water inlet pipe, a micro-bubble aeration device and an uniform water distribution device are installed at the bottom of the tank, and a supporting net for supporting micro-electrolysis filler is installed in the middle of the tank.
The water inlet end and the water outlet end of the sedimentation tank B are respectively provided with a water distribution weir and a water outlet weir, and the bottom of the sedimentation tank B is provided with a sludge hopper and an electric sludge discharge system.
And the electric sludge discharge systems of the sedimentation tank A and the sedimentation tank B are respectively connected with the plate-and-frame filter press through pipelines.
And the electric sludge discharge systems of the sedimentation tank A and the sedimentation tank B are respectively connected with the automatic loading and unloading plate-and-frame filter press through pipelines.
The coagulation reaction tank, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are all provided with a pH on-line detector and an automatic dosing control system.
Example (b): as shown in fig. 1, the waste water of shale gas drilling operation automatically flows into a regulating reservoir through a wellhead drainage device and a pipeline, and the waste water automatically flows into a coagulation reaction tank after the water quality and the water quantity of the waste water are regulated by the regulating reservoir; the coagulated effluent automatically flows into a sedimentation tank A through a water distribution weir at the water inlet end of the sedimentation tank A, and the wastewater automatically flows into a clean water tank A through a water outlet weir of the sedimentation tank A after sedimentation treatment; sending the wastewater in the clean water tank A into a reinforced micro-electrolysis reaction tank by a lifting pump, and automatically flowing the effluent into a flocculation reaction tank from the upper part of the reaction tank; the flocculated effluent automatically flows into a sedimentation tank B through a water distribution weir at the water inlet end of the sedimentation tank B, and the wastewater automatically flows into a clean water tank B through a water outlet weir of the sedimentation tank B after sedimentation treatment; sludge generated by the sedimentation tank A and the sedimentation tank B is discharged into an automatic loading and unloading type plate-and-frame filter press for treatment through an electric sludge discharge system arranged at the bottom, filtrate enters a clean water tank A, and filter residue is subjected to safe treatment and resource utilization by adopting a physicochemical and microbial degradation combined technology.
The utility model discloses use coagulating sedimentation processing unit and reinforce little electrolysis retort as the core, can realize not falling to the ground of shale gas drilling operation waste water and handle, go out water quality of water after handling and can reach reinjection, retrieval and utilization or relevant waste water discharge control standard requirement.
The utility model discloses can provide important support for shale gas drilling operation waste water and even fracturing and gas production etc. waste water advanced treatment discharge to standard.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides a shale gas drilling operation waste water does not fall ground preprocessing device which characterized in that: comprises an adjusting tank, a coagulation reaction tank, a coagulation dosing device, a sedimentation tank A, a clean water tank A, a reinforced micro-electrolysis reaction tank, a flocculation dosing device, a sedimentation tank B, a clean water tank B and a plate-and-frame filter press; the adjusting tank, the coagulation reaction tank, the coagulation dosing device, the sedimentation tank A and the clean water tank A are an integrated box structure treatment system; the clean water tank A, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are sequentially connected through pipelines; the flocculation reaction tank, the flocculation dosing device, the sedimentation tank B and the clean water tank B are an integrated box body structure treatment system;
the shale gas drilling operation wastewater directly flows into the regulating reservoir through a wellhead drainage device and a pipeline, and the wastewater automatically flows into the coagulation reaction tank after the water quality and the water quantity of the wastewater are regulated by the regulating reservoir; the coagulated effluent automatically flows into a sedimentation tank A through a water distribution weir at the water inlet end of the sedimentation tank A, and the wastewater automatically flows into a clean water tank A through a water outlet weir of the sedimentation tank A after sedimentation treatment; sending the wastewater in the clean water tank A into a reinforced micro-electrolysis reaction tank by a lifting pump, and automatically flowing the effluent into a flocculation reaction tank from the upper part of the reaction tank; the flocculated effluent automatically flows into the sedimentation tank B through a water distribution weir at the water inlet end of the sedimentation tank B, and the wastewater automatically flows into a clean water tank B through a water outlet weir of the sedimentation tank B after sedimentation treatment.
2. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: the bottom of the adjusting tank is provided with a water distributor which can realize the functions of uniformly distributing water and stirring sludge at the bottom of the tank.
3. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: the sedimentation tank A is provided with a water distribution weir and a water outlet weir at the water inlet end and the water outlet end respectively, and the bottom of the sedimentation tank A is provided with a sludge hopper and an electric sludge discharge system.
4. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: the reinforced micro-electrolysis reaction tank is characterized in that concentrated sulfuric acid, hydrogen peroxide or sodium persulfate dosing pipelines are sequentially connected with a tank water inlet pipe, a micro-bubble aeration device and an uniform water distribution device are installed at the bottom of the tank, and a supporting net for supporting micro-electrolysis filler is installed in the middle of the tank.
5. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: the water inlet end and the water outlet end of the sedimentation tank B are respectively provided with a water distribution weir and a water outlet weir, and the bottom of the sedimentation tank B is provided with a sludge hopper and an electric sludge discharge system.
6. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: and the electric sludge discharge systems of the sedimentation tank A and the sedimentation tank B are respectively connected with the plate-and-frame filter press through pipelines.
7. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: and the electric sludge discharge systems of the sedimentation tank A and the sedimentation tank B are respectively connected with the automatic loading and unloading plate-and-frame filter press through pipelines.
8. The shale gas drilling operation wastewater no-falling-ground pretreatment device of claim 1, characterized in that: the coagulation reaction tank, the reinforced micro-electrolysis reaction tank and the flocculation reaction tank are all provided with a pH on-line detector and an automatic dosing control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920829577.1U CN210367290U (en) | 2019-06-04 | 2019-06-04 | Shale gas drilling operation waste water does not fall to ground preprocessing device |
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| CN201920829577.1U CN210367290U (en) | 2019-06-04 | 2019-06-04 | Shale gas drilling operation waste water does not fall to ground preprocessing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620484A (en) * | 2020-06-10 | 2020-09-04 | 中联煤层气有限责任公司 | Treatment method and treatment device for three-gas combined production water |
| CN112761560A (en) * | 2020-12-31 | 2021-05-07 | 重庆地质矿产研究院 | Bioremediation method for waste drilling mud of oil and gas field and shale gas field |
| CN114988620A (en) * | 2022-06-18 | 2022-09-02 | 重庆满翼环保科技有限公司 | Gas field fracturing flow-back fluid treatment device and method |
-
2019
- 2019-06-04 CN CN201920829577.1U patent/CN210367290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620484A (en) * | 2020-06-10 | 2020-09-04 | 中联煤层气有限责任公司 | Treatment method and treatment device for three-gas combined production water |
| CN112761560A (en) * | 2020-12-31 | 2021-05-07 | 重庆地质矿产研究院 | Bioremediation method for waste drilling mud of oil and gas field and shale gas field |
| CN114988620A (en) * | 2022-06-18 | 2022-09-02 | 重庆满翼环保科技有限公司 | Gas field fracturing flow-back fluid treatment device and method |
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