CN212559923U - Shale gas drilling sludge treatment system - Google Patents
Shale gas drilling sludge treatment system Download PDFInfo
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- CN212559923U CN212559923U CN202021186920.4U CN202021186920U CN212559923U CN 212559923 U CN212559923 U CN 212559923U CN 202021186920 U CN202021186920 U CN 202021186920U CN 212559923 U CN212559923 U CN 212559923U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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Abstract
The utility model relates to an oily waste treatment technical field especially relates to a shale gas drilling sludge treatment system. The to-be-solved technical problem of the utility model is to provide a shale air drilling sludge treatment system, mud storage pool passes through pumping installations and is connected with the pressure filter, the pressure filter passes through conveyer I and is connected with pyrolysis incinerator, fuel preparation device in proper order, the pressure filter still respectively with gaseous reservoir device, oxidation unit passes through the pipeline intercommunication, gaseous reservoir device respectively with mud storage pool, the pyrolysis incinerator, gas-liquid condensation separator passes through the pipeline intercommunication, gas-liquid condensation separator respectively with oxidation unit, the pyrolysis incinerator passes through the pipeline intercommunication, oxidation unit respectively with mud storage pool, the sedimentation tank passes through the pipeline intercommunication, the sedimentation tank passes through filtering ponds and oil water separator intercommunication. The utility model provides a shale gas drilling sludge treatment system through many times filtering separation, has improved the recycle efficiency of oil gas water, the make full use of energy, environmental protection.
Description
Technical Field
The utility model relates to an oily waste treatment technical field especially relates to a shale gas drilling sludge treatment system.
Background
Shale gas is a natural gas resource which is stored in a shale layer and can be exploited, and the reserves are abundant. Compared with the conventional natural gas, the shale formation permeability is low, the production period is long, and the development difficulty is large. At present, in order to keep the stability of a hole wall, reduce the temperature of a drill rod and the like in the shale gas exploitation process, oil-based drilling mud is often added, the oil-based mud corresponding to the oil-based mud is harmful to human bodies and plants and water organisms, oil gas evaporated in the air can stimulate skin, eyes and respiratory organs, so that the land loses the plant growth function, and the shale gas is difficult to treat and repair and is one of main pollutants in the petroleum and petrochemical industry. The invention discloses an oil field sludge treatment device in Chinese patent specification CN201510905630.8 (the publication date is 2016, 3, 23), which comprises a collection tank, a sorting device, a stirring tank, a centrifugal tank, a precipitation device, a drying device, a first oil-water separation tank and an oil storage tank, wherein the outlet end of the collection tank is connected to the sorting device, a screen is arranged in the sorting device, a large material outlet of the sorting device is connected to the drying device, a material outlet of the sorting device is connected to the stirring tank, an upper outlet of the stirring tank is connected to the oil-water separation tank, a lower outlet of the stirring tank is connected to the centrifugal tank, an oil outlet of the oil-water separation tank is connected to the oil storage tank, a moisture outlet is connected to the stirring tank, a solid phase outlet of the centrifugal tank is connected to the drying device, a liquid phase outlet is. The oil field sludge treatment device has the following disadvantages: the gas can not be separated from the sludge and is separately treated and utilized, which is easy to cause environmental pollution and can not meet the treatment requirement of the shale gas on-site exploitation on the sludge.
SUMMERY OF THE UTILITY MODEL
The utility model discloses make the improvement to the problem that prior art exists, promptly the to-be-solved technical problem of the utility model is to provide a shale gas drilling sludge treatment system.
In order to solve the technical problem, the utility model provides a shale gas drilling sludge treatment system, which comprises a sludge storage pool, a sedimentation tank, a filter tank, a fuel preparation device, an oil-water separator and an oil storage tank, and further comprises a gas storage device, a filter press, a conveyor I, an oxidation device, a conveyor II, a pyrolysis incinerator, a gas-liquid condensation separation device, a pumping device and a water storage tank, wherein the sludge storage pool is connected with the filter press through the pumping device, the filter press is sequentially connected with the pyrolysis incinerator and the fuel preparation device through the conveyor I, the filter press is further respectively communicated with the gas storage device and the oxidation device through pipelines, the gas storage device is respectively communicated with the sludge storage pool, the pyrolysis incinerator and the gas-liquid condensation separation device through pipelines, the gas-liquid condensation separation device is respectively communicated with the oxidation device and the pyrolysis furnace through pipelines, the oxidation device is respectively communicated with the sludge storage pool and the sedimentation pool through pipelines, the sedimentation pool is communicated with the oil-water separator through a filter tank, and the oil-water separator is respectively communicated with the oil storage tank and the water storage tank.
As a further improvement, the utility model is provided with a crusher between the sludge storage pool and the pumping device.
As a further improvement of the utility model, the filter press is connected with the filter tank through a conveyor II.
As a further improvement of the utility model, a stirring tank is arranged between the oxidation device and the sedimentation tank.
As a further improvement of the utility model, the stirring tank is connected with a dosing device.
The utility model provides a shale gas drilling sludge treatment system through many times filtering separation, has improved the recycle efficiency of oil gas water, the make full use of energy, environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of a shale gas drilling sludge treatment system.
Shown in the figure: 1-a sludge storage pool, 2-a vibrating screen, 3-a crusher, 4-a gas storage device, 5-a filter press, 6-a conveyor I, 7-an oxidation device, 8-a sedimentation tank, 9-a conveyor II, 10-a filter tank, 11-a pyrolysis incinerator, 12-a gas-liquid condensation separation device, 13-a pumping device, 14-a fuel preparation device, 15-an oil-water separator, 16-an oil storage tank, 17-a water storage tank, 18-a stirring tank and 19-a dosing device.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings and examples.
The shale gas drilling sludge treatment system in the embodiment comprises a gas storage device 4, a pyrolysis incinerator 11, a fuel preparation device 14, an oil-water separator 15 and an oil storage tank 16, and further comprises a sludge storage pool 1, a filter press 5, a conveyor I6, an oxidation device 7, a sedimentation pool 8, a conveyor II 9, a filter pool 10, a gas-liquid condensation separation device 12, a pumping device 13 and a water storage tank 17, wherein the sludge storage pool 1 is connected with the filter press 5 through the pumping device 13, a crusher 3 is arranged between the sludge storage pool 1 and the pumping device 13, so that large solids in sludge can be crushed conveniently, the filter press 5 is protected, the filter press 5 is sequentially connected with the pyrolysis incinerator 11 and the fuel preparation device 14 through the conveyor I6, and the filter press 5 is respectively communicated with the gas storage device 4 and the oxidation device 7 through pipelines, so that gas can be separated conveniently, Liquid and solid are respectively treated, the gas storage device 4 is respectively communicated with the sludge storage pool 1, the pyrolysis incinerator 11 and the gas-liquid condensation separation device 12 through pipelines, fuel is provided for the pyrolysis incinerator 11 through the gas storage device 4, the gas-liquid condensation separation device 12 is respectively communicated with the oxidation device 7 and the pyrolysis incinerator 11 through pipelines, so that gas and liquid obtained by pyrolysis can be condensed and separated conveniently, the oxidation device 7 is respectively communicated with the sludge storage pool 1 and the sedimentation pool 8 through pipelines, an agitator tank 18 is arranged between the oxidation device 7 and the sedimentation pool 8, the agitator tank 18 is connected with a dosing device 19 so that liquid can be fully contacted with flocculating agent, the sedimentation pool 8 is communicated with an oil-water separator 15 through a filtering pool 10, the filter press 5 is connected with the filtering pool 10 through a conveyor II 9 so that solid sediment in the filtering pool 10 can be conveniently transported back to the filter press 5 through the conveyor II 9, the oil-water separator 15 is connected to an oil storage tank 16 and a water storage tank 17, respectively, for squeezing and filtering again.
Drilling mud enters a sludge reservoir body 1 to stand still for a period of time, gas enters a gas reservoir device 4 to be stored, liquid enters an oxidation device 7, solid is sent into a crusher 3, the solid is crushed into small-particle solid through the crusher 3, the small-particle solid is sent into a filter press 5 from a feed inlet of the filter press 5 through a pumping device 13 to be pressed and filtered, the gas obtained after the pressing and filtering enters the gas reservoir device 4 to be stored, the liquid enters the oxidation device 7, the solid is transported to a pyrolysis incinerator 11 through a conveyor I6, fuel required by pyrolysis of the pyrolysis incinerator 11 is obtained from the gas reservoir device 4, the solid is pyrolyzed in the pyrolysis incinerator 11 to obtain waste residue and pyrolysis oil gas, the waste residue is sent into a fuel preparation device to be reused, the pyrolysis oil gas is transported to a gas-liquid condensation separation device 12 through a pipeline, the gas obtained after the separation enters the gas reservoir device 4 to be stored, liquid passes through the pipeline and gets into oxidation unit 7, the liquid that gets into oxidation unit 7 passes through the oxidation of ozone after, get into sedimentation tank 8 through the pipeline, add the flocculation medicament through charge device 19 to liquid, open agitator tank 18 stirring and make liquid and flocculation medicament fully contact after, liquid gets into filtering ponds 10, the solid sediment that the filtration obtained transports back pressure filter 5 through conveyer II 9, squeeze the filtration once more, liquid gets into oil water separator 15, the oil that obtains after the separation gets into oil storage tank 16 through the pipeline, the water that obtains after the separation gets into water storage tank 17 through the pipeline, carry out reuse.
The foregoing is only an embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A shale gas drilling sludge treatment system comprises a sludge storage pool (1), a sedimentation pool (8), a filter pool (10), a fuel preparation device (14), an oil-water separator (15) and an oil storage tank (16), and is characterized by further comprising a gas storage device (4), a filter press (5), a conveyor I (6), an oxidation device (7), a conveyor II (9), a pyrolysis incinerator (11), a gas-liquid condensation separation device (12), a pumping device (13) and a water storage tank (17), wherein the sludge storage pool (1) is connected with the filter press (5) through the pumping device (13), the filter press (5) is sequentially connected with the pyrolysis incinerator (11) and the fuel preparation device (14) through the conveyor I (6), and the filter press (5) is further communicated with the gas storage device (4) and the oxidation device (7) through pipelines respectively, gas reservoir device (4) pass through the pipeline intercommunication with mud storage pool (1), pyrolysis incinerator (11), gas-liquid condensation separator (12) respectively, gas-liquid condensation separator (12) pass through the pipeline intercommunication with oxidation unit (7), pyrolysis incinerator (11) respectively, oxidation unit (7) pass through the pipeline intercommunication with mud storage pool (1), sedimentation tank (8) respectively, sedimentation tank (8) pass through filtering ponds (10) and oil water separator (15) intercommunication, oil water separator (15) communicate with oil storage tank (16), water storage tank (17) respectively.
2. Shale gas drilling sludge treatment system according to claim 1, wherein a crusher (3) is provided between the sludge storage tank (1) and the pumping device (13).
3. The shale gas drilling sludge treatment system of claim 1, wherein the filter press (5) is connected with the filter tank (10) through a conveyor II (9).
4. The shale gas drilling sludge treatment system of claim 1, wherein an agitator tank (18) is provided between the oxidation unit (7) and the settling tank (8).
5. The shale gas drilling sludge treatment system of claim 4, wherein the agitator tank (18) is connected to a dosing device (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186920.4U CN212559923U (en) | 2020-06-23 | 2020-06-23 | Shale gas drilling sludge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186920.4U CN212559923U (en) | 2020-06-23 | 2020-06-23 | Shale gas drilling sludge treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212559923U true CN212559923U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021186920.4U Active CN212559923U (en) | 2020-06-23 | 2020-06-23 | Shale gas drilling sludge treatment system |
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| CN (1) | CN212559923U (en) |
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- 2020-06-23 CN CN202021186920.4U patent/CN212559923U/en active Active
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