CN211144566U - Multifunctional stubble combining device for extraction drilling - Google Patents
Multifunctional stubble combining device for extraction drilling Download PDFInfo
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- CN211144566U CN211144566U CN201921943477.8U CN201921943477U CN211144566U CN 211144566 U CN211144566 U CN 211144566U CN 201921943477 U CN201921943477 U CN 201921943477U CN 211144566 U CN211144566 U CN 211144566U
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- compressed air
- extraction
- straight joint
- drill hole
- water supply
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Abstract
The utility model provides a take out and adopt multi-functional stubble device that closes of drilling, including installing at the straight joint of taking out and adopting the drilling sleeve pipe end, installing and keeping away from the control ball valve of taking out and adopting the drilling sleeve pipe one end, setting on the straight joint with supply channel connection's in the pit water supply stop valve and with the copper measuring nozzle of forced draught pipeline connection in the pit, the control ball valve is kept away from the one end of straight joint and is taken out and adopt the piping connection and be used for taking out and adopt of gas. The device is mainly characterized in that control devices with various functions and connecting pieces are effectively combined into a whole to form a multifunctional comprehensive extraction control device, and the device integrates multiple functions of gas investigation, sampling, water injection, fire prevention, water blowing, slag discharging, extraction control and the like in the underground extraction process of a coal mine, so that the device realizes one hole and multiple purposes, reduces the working links and labor intensity of workers, and ensures safe extraction.
Description
Technical Field
The utility model relates to a colliery gas takes out and adopts technical field, specifically is a take out and adopt multi-functional stubble device that closes of drilling.
Background
Coal bed gas extraction is one of the most effective methods for treating mine gas and preventing coal and gas outburst, and not only is the requirement on safe production, but also the urgent requirements on energy conservation and environmental protection. In the process of gas extraction of a coal mine, gas in a drill hole needs to be extracted and detected, water is injected into a coal seam to reinforce a coal body and eliminate the fire hidden danger, meanwhile, accumulated water and waste residues in the drill hole need to be removed periodically, and the fact that no accumulated water and no coal rock powder exist in the drill hole is guaranteed, so that the gas extraction effect of the drill hole is improved.
The connection mode of the outer end of the extraction casing of the existing coal mine gas drilling is disordered, the number of pipelines used for connection is large, the maneuverability is poor, the hidden dangers of air leakage and the like are increased due to the numerous pipelines and pipe joints, and the labor intensity of personnel installation and the complexity of operation are increased; not only causes huge waste of resources, but also leaves huge hidden troubles for safety production of coal mines.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an extract multi-functional stubble device that closes of drilling to solve the problem that proposes in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: the multifunctional stubble combining device for the extraction drill hole comprises a straight joint arranged at the tail end of an extraction drill hole sleeve, a control ball valve arranged at one end of the straight joint, which is far away from the extraction drill hole sleeve, a water supply stop valve arranged on the straight joint and connected with an underground water supply pipeline, and a copper measuring nozzle connected with a compressed air pipeline, wherein one end of the control ball valve, which is far away from the straight joint, is connected with the extraction pipeline and used for extracting gas; and one end of the straight joint close to the extraction drill hole sleeve is provided with a built-in compressed air bent pipe connected with an extraction bundle pipe in the extraction drill hole sleeve, and the built-in compressed air bent pipe is connected with an underground compressed air system through a compressed air branch pipe arranged on the straight joint and used for blowing water and discharging slag.
As a further aspect of the present invention: the compressed air branch pipe is fixedly and hermetically installed in a hole corresponding to the straight joint, a quick connector is installed at the upper end of the compressed air branch pipe in a threaded mode, and the compressed air branch pipe is communicated with an air pipe of an underground compressed air system through the quick connector.
As a further aspect of the present invention: one end of the built-in compressed air bent pipe, which is far away from the compressed air branch pipe, extends out of the outer end of the straight joint so as to be connected with the extraction bundle pipe.
As a further aspect of the present invention: and the two ends of the straight joint are provided with external ends for butt joint, and the external ends are provided with external threads connected with external end pipelines in a threaded manner.
As a further aspect of the present invention: the water supply stop valve, the copper measuring nozzle and the compressed air branch pipe are sequentially arranged in parallel on the same end face of the straight joint.
As a further aspect of the present invention: the direct joint is provided with holes corresponding to the water supply stop valve and the copper measuring nozzle, and the pipe joints of the water supply stop valve and the copper measuring nozzle are inserted into the holes corresponding to the direct joint to be fixedly and hermetically connected.
As a further aspect of the present invention: the copper measuring nozzle is integrally connected with a valve for controlling on-off, one side of the outer end of the copper measuring nozzle is provided with a handle for controlling, and the water supply stop valve and the copper measuring nozzle respectively control on-off of an inner cavity of the straight joint and an underground water supply pipeline and a compressed air pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: the device is mainly characterized in that control devices with various functions and connecting pieces are effectively combined into a whole to form a multifunctional comprehensive extraction control device, and the device integrates multiple functions of gas investigation, sampling, water injection, fire prevention, water blowing, slag discharging, extraction control and the like in the underground extraction process of a coal mine, so that the device realizes one hole and multiple purposes, reduces the working links and labor intensity of workers, and ensures safe extraction.
Drawings
Fig. 1 is a schematic structural view of the multifunctional stubble combining device for extraction and drilling of the utility model;
FIG. 2 is a schematic internal cross-sectional view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
reference numbers in the figures: 1-straight joint, 2-control ball valve, 3-water supply stop valve, 4-copper measuring nozzle, 5-built-in compressed air bent pipe, 6-compressed air branch pipe, 7-quick joint, 8-external connection end and 9-handle.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-3,
the embodiment provides a multifunctional stubble combining device for an extraction drill hole, which comprises a straight joint 1 arranged at the tail end of an extraction drill hole sleeve, a control ball valve 2 arranged at one end, far away from the extraction drill hole sleeve, of the straight joint 1, a water supply stop valve 3 arranged on the straight joint 1 and connected with an underground water supply pipeline, and a copper measuring nozzle 4 connected with a compressed air pipeline, wherein one end, far away from the straight joint 1, of the control ball valve 2 is connected with the extraction pipeline and used for gas extraction; one end of the straight joint 1, which is close to the extraction drill hole sleeve, is provided with a built-in compressed air bent pipe 5 connected with an extraction bundle pipe in the extraction drill hole sleeve, and the built-in compressed air bent pipe 5 is connected with an underground compressed air system through a compressed air branch pipe 6 arranged on the straight joint 1 and used for blowing water and discharging slag.
In the embodiment, the compressed air branch pipe 6 is fixedly and hermetically installed in a hole corresponding to the straight joint 1, the upper end of the compressed air branch pipe 6 is provided with the quick connector 7 through threads, and the compressed air branch pipe 6 is communicated with an air pipe of an underground compressed air system through the quick connector 7.
In the embodiment, one end of the built-in compressed air bent pipe 5, which is far away from the compressed air branch pipe 6, extends out of the outer end of the straight joint 1 so as to be connected with the extraction bundle pipe.
In this embodiment, two ends of the straight joint 1 are provided with external connection ends 8 for butt joint, and the external connection ends 8 are provided with external threads connected with external end pipelines in a threaded manner.
In this embodiment, the water supply stop valve 3, the copper measuring nozzle 4 and the compressed air branch pipe 6 are sequentially arranged in parallel on the same end face of the straight joint 1, so that the pipeline arrangement is facilitated.
In this embodiment, the straight joint 1 is provided with holes corresponding to the water supply stop valve 3 and the copper measuring nozzle 4, and the pipe joints of the water supply stop valve 3 and the copper measuring nozzle 4 are inserted into the holes corresponding to the straight joint 1 to be fixedly and hermetically connected.
In this embodiment, the copper measuring nozzle 4 is integrally connected with a valve for controlling on-off, a handle 9 for controlling is arranged on one side of the outer end of the copper measuring nozzle 4, and the water supply stop valve 3 and the copper measuring nozzle 4 respectively control on-off of the inner cavity of the straight joint 1 and the underground water supply pipeline and the compressed air pipeline.
The utility model discloses a theory of operation does: the device is arranged at the tail end of an extraction drill hole sleeve and is connected with a subsequent extraction pipeline through a ball valve;
under a normal working condition, the ball valve 2 is controlled to be opened, the water supply stop valve 3 and the copper measuring nozzle 4 are closed, and the gas extraction function is realized;
during gas detection, a valve of the copper nozzle 4 is opened, and gas in the pipe is sampled by connecting a gas sampling device with a compressed air pipeline and is used for analyzing parameters such as gas concentration, components and negative pressure;
when water is injected into the coal seam, valves of the control ball valve 2 and the copper measuring nozzle 4 are closed, the water supply stop valve 3 is opened, water is injected into the sleeve, water can be injected into the coal seam, the purposes of reinforcing the coal body and eliminating the fire hidden danger are achieved, meanwhile, after the extraction control ball valve 2 is closed, the connection between the extraction drill hole and the extraction system pipe network can be isolated, and the water injection stop in the hole is performed, so that the normal extraction of other drill holes is not influenced;
when water blowing and slag discharging are carried out, the compressed air branch pipe 6 is connected with the underground compressed air system, compressed air can be pressed into the extraction beam pipe through the built-in bent pipe, water blowing and slag discharging are achieved, no accumulated water and no coal and rock powder exist in a drill hole, and therefore the gas extraction effect of the drill hole is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The multifunctional stubble combining device for the extraction drill hole is characterized in that: the gas drainage device comprises a straight joint arranged at the tail end of an extraction drill hole sleeve, a control ball valve arranged at one end of the straight joint far away from the extraction drill hole sleeve, a water supply stop valve arranged on the straight joint and connected with an underground water supply pipeline, and a copper measuring nozzle connected with a compressed air pipeline, wherein one end of the control ball valve far away from the straight joint is connected with the extraction pipeline and used for gas extraction; and one end of the straight joint close to the extraction drill hole sleeve is provided with a built-in compressed air bent pipe connected with an extraction bundle pipe in the extraction drill hole sleeve, and the built-in compressed air bent pipe is connected with an underground compressed air system through a compressed air branch pipe arranged on the straight joint and used for blowing water and discharging slag.
2. The multifunctional stubble combining device for the extraction drill hole according to claim 1, characterized in that: the compressed air branch pipe is fixedly and hermetically installed in a hole corresponding to the straight joint, a quick connector is installed at the upper end of the compressed air branch pipe in a threaded mode, and the compressed air branch pipe is communicated with an air pipe of an underground compressed air system through the quick connector.
3. The multifunctional stubble combining device for the extraction drill hole according to claim 2, characterized in that: one end of the built-in compressed air bent pipe, which is far away from the compressed air branch pipe, extends out of the outer end of the straight joint so as to be connected with the extraction bundle pipe.
4. The multifunctional stubble combining device for the extraction drill hole according to claim 1, characterized in that: and the two ends of the straight joint are provided with external ends for butt joint, and the external ends are provided with external threads connected with external end pipelines in a threaded manner.
5. The multifunctional stubble combining device for the extraction drill hole according to claim 3, characterized in that: the water supply stop valve, the copper measuring nozzle and the compressed air branch pipe are sequentially arranged in parallel on the same end face of the straight joint.
6. The multifunctional stubble combining device for the extraction drill hole according to claim 5, characterized in that: the direct joint is provided with holes corresponding to the water supply stop valve and the copper measuring nozzle, and the pipe joints of the water supply stop valve and the copper measuring nozzle are inserted into the holes corresponding to the direct joint to be fixedly and hermetically connected.
7. The multifunctional stubble combining device for the extraction drill hole according to claim 6, characterized in that: the copper measuring nozzle is integrally connected with a valve for controlling on-off, one side of the outer end of the copper measuring nozzle is provided with a handle for controlling, and the water supply stop valve and the copper measuring nozzle respectively control on-off of an inner cavity of the straight joint and an underground water supply pipeline and a compressed air pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943477.8U CN211144566U (en) | 2019-11-12 | 2019-11-12 | Multifunctional stubble combining device for extraction drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921943477.8U CN211144566U (en) | 2019-11-12 | 2019-11-12 | Multifunctional stubble combining device for extraction drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144566U true CN211144566U (en) | 2020-07-31 |
Family
ID=71744752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921943477.8U Active CN211144566U (en) | 2019-11-12 | 2019-11-12 | Multifunctional stubble combining device for extraction drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144566U (en) |
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2019
- 2019-11-12 CN CN201921943477.8U patent/CN211144566U/en active Active
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