CN203742662U - Piecing device for water drainage of gas extraction hole - Google Patents
Piecing device for water drainage of gas extraction hole Download PDFInfo
- Publication number
- CN203742662U CN203742662U CN201420141198.0U CN201420141198U CN203742662U CN 203742662 U CN203742662 U CN 203742662U CN 201420141198 U CN201420141198 U CN 201420141198U CN 203742662 U CN203742662 U CN 203742662U
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- CN
- China
- Prior art keywords
- conduit
- sleeve pipe
- gas pumping
- junction block
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a piecing device for water drainage of a gas extraction hole. The piecing device comprises a first sleeve, a second conduit and a third nipple; the first end of the first sleeve is provided with first threads for connecting to an extraction tube, while the second end of the first sleeve is provided with second threads for connecting with an external extraction pipeline; the second conduit is arranged in the first sleeve, the second end of the second conduit is located in the first sleeve, the first end of the second conduit extends out to be located at the outer side of the first end of the first sleeve, and the third nipple penetrates through the sidewall of the first sleeve and is connected with the second end of the second conduit. The piecing device for water drainage of the gas extraction hole is capable of draining water at the bottom of the gas extraction hole quickly, conveniently and effectively, avoiding that the gas flow is stopped by the water and ensuring the gas extraction effect.
Description
Technical field
The utility model relates to Coal Mining Technology, relates in particular to a kind of gas pumping hole and discharges water and use piecing devices.
Background technology
In process of coal mining, the methane gas that need to be drilled with on the face of tunnel in Yi Jiang coal seam, gas pumping hole is extracted out, ensures that the safety of coal mining is carried out.
Gas pumping hole comprises multiple, generally bearing of trend is called along the ventricumbent gas pumping of level hole lower to hole, for example, the exposed coal boring of extending to mine deep part.
Gas pumping hole is to be opened in the elongated hole that extend to coal seam depth rock stratum, is provided with the drainage tube for the gas in coal seam is extracted out in this drainage holes.Because position at the bottom of the hole in gas pumping hole is lower, under the effect of gravity, around the water in rock stratum or coal seam can be gathered in bottom, gas pumping hole, thereby stops that the gas in coal seam enters drainage tube, affects gas pumping effect.
Utility model content
For above-mentioned defect of the prior art, the utility model provides a kind of gas pumping hole to discharge water with piecing devices, realizes lower ponding in hole is discharged, and avoids it to affect gas pumping and normally carries out.
The utility model provides a kind of gas pumping hole to discharge water with piecing devices, comprising:
The first sleeve pipe, the second conduit and the 3rd junction block; The first end of described the first sleeve pipe is provided with the first screw thread for being connected to drainage tube, and the second end of described the first sleeve pipe is provided with the second screw thread connecting for being connected to outside extraction pipeline; In described the first sleeve pipe, be provided with the second conduit, the second end of described the second conduit is positioned at described the first sleeve pipe, the first end of described the second conduit extend out to the first end outside of described the first sleeve pipe, and described the 3rd junction block is connected with the second end of described the second conduit through described the first sleeve pipe sidewall.
Gas pumping as above hole water-discharging joint device, preferably,
The first end of described the second conduit offers the 3rd screw thread.
Gas pumping as above hole water-discharging joint device, preferably,
Described the second conduit comprises the mutually perpendicular first paragraph of bearing of trend and second segment, and the end of described first paragraph is the first end of described the second conduit, and the end of described second segment is the second end of described the second conduit; Described the 3rd junction block is radially through described the first sleeve pipe sidewall integrally welded with the second end of described the second conduit.
Gas pumping as above hole water-discharging joint device, preferably,
Described the 3rd junction block is free flow coupling, and one end that described the 3rd junction block deviates from described the first sleeve pipe is welded with nut.
Gas pumping as above hole water-discharging joint device, preferably,
Between described the first sleeve pipe inner side and described the second conduit outside, form the first gap.
Gas pumping as above hole water-discharging joint device, preferably,
The diameter of described the first sleeve pipe is 50mm, and the diameter of described the second conduit is 15mm.
The gas pumping hole water-discharging joint device that the utility model provides, can be fast, convenient, effectively the ponding of bottom, gas pumping hole is discharged, avoid ponding to stop that methane gas flows, and has ensured gas pumping effect; And this apparatus structure is simple, with low cost, be conducive to improve mine production security, production control cost.
Brief description of the drawings
Fig. 1 is that the utility model gas pumping hole discharges water with the structural representation of piecing devices embodiment;
Fig. 2 is the lateral view of Fig. 1;
Fig. 3 is that the gas pumping hole shown in Fig. 1 embodiment discharges water with the use state diagram of piecing devices.
Detailed description of the invention
Fig. 1 is that the utility model gas pumping hole discharges water with the structural representation of piecing devices embodiment; Fig. 2 is the lateral view of Fig. 1; Please refer to Fig. 1 and Fig. 2, a kind of gas pumping hole discharges water with piecing devices, comprising: the first sleeve pipe 1, the second conduit 2 and the 3rd junction block 3; The first end 101 of the first sleeve pipe 1 is provided with the first screw thread for being connected to drainage tube, and the second end 102 of the first sleeve pipe 1 is provided with the second screw thread connecting for being connected to outside extraction pipeline; In the first sleeve pipe 1, be provided with the second conduit 2, the second end 202 of the second conduit 2 is positioned at the first sleeve pipe 1, the first end 201 of the second conduit 2 extend out to first end 101 outsides of the first sleeve pipe 1, and the 3rd junction block 3 is connected with the second end of the second conduit 2 through the first sleeve pipe 1 sidewall.
Particularly, the first sleeve pipe 1 and the second conduit 2 can be the coaxial round steel pipe arranging, and the first sleeve pipe 1 diameter can be greater than the second conduit 2, so that form the first gap between the first sleeve pipe 1 inner side and the second conduit 2 outsides.Wherein, the second conduit 2 can extend by straight line, and the first end 201 of the second conduit 2 arranges towards the first sleeve pipe 1 first end 101, and extends to the first sleeve pipe 1 outside always; 202, second end of the second conduit 2 can be in the first sleeve pipe 1 inside, for example, can just be positioned at the first sleeve pipe 1 axial midpoint place.And, the first sleeve pipe 1 sidewall is run through and extends to always the second end 202 places of the second conduit 2 in the 3rd junction block 3 one end, and one end of corresponding the second conduit 2 of the 3rd junction block 3 can be bent to form kink, form one with welding after docking with the second end 202 of the second conduit 2 by this kink.After the 3rd junction block 3 is connected with the second conduit 2, all-in-one-piece passage is enclosed in both inside, and this one passage initiating terminal is that the 3rd junction block 3 is positioned at the interface outside the first sleeve pipe 1, and end is the interface at the second end 202 places of the second conduit 2.
The first end outside of the first sleeve pipe 1 or inner side can be provided with the first screw thread, the second end outside can arrange the second screw thread, connect together fast in the mode being threaded connection with other pipeline.
Fig. 3 is that the gas pumping hole shown in Fig. 1 embodiment discharges water with the use state diagram of piecing devices.Please refer to Fig. 1 and Fig. 3, utilize gas pumping hole water-discharging joint device that the present embodiment provides for the detailed process of gas pumping hole draining as follows:
In drainage tube 11 in gas pumping hole 10, place in advance the rigid pipe 12 that a diameter is less than drainage tube 11 internal diameters.Then the first end of the second conduit 2 of this gas pumping hole water-discharging joint device 20 201 and rigid pipe 12 are linked together, the first end of the first sleeve pipe 1 101 and drainage tube 11 are linked together; Again the second end 102 of the first sleeve pipe 1 is connected together with outside extraction pipeline, finally the 3rd junction block 3 is connected to outside compressed-air system by high-pressure hose; Wherein, in outside extraction pipeline 41, it is negative pressure, and in outside air line, be larger malleation, make the high-pressure blast in outside compressed-air system enter into gas pumping hole 10 bottommosts through the 3rd junction block 3, the second conduit 2 and rigid pipe 12, and force ponding in gas pumping hole along drainage tube 11 flow towards aperture (upwards flowing) by its high pressure, final gap between the first sleeve pipe 1 and the second conduit 2 successively enters into outside extraction pipeline 41, has completed the discharge of gas pumping hole ponding.
It should be noted that, generally speaking, the be less than or equal to-13KPa of pressure in outside extraction pipeline, and pressure in outside compressed-air system is more than 0.5MPa, both significant pressure differentials, can make ponding discharge fast.
The gas pumping hole water-discharging joint device that the present embodiment provides, can be fast, convenient, effectively the ponding of bottom, gas pumping hole is discharged, avoid ponding to stop that methane gas flows, and has ensured gas pumping effect; And this apparatus structure is simple, with low cost, be conducive to improve mine production security, production control cost.
In the utility model embodiment, the second conduit 2 comprises the first paragraph 21 extending along the first sleeve pipe 1 central axis and the second segment 22 that is vertically set on first paragraph 21 one end; The end of first paragraph 21 is the second end 202 of the second conduit 2, and the end of second segment 22 is the first end 201 of the second conduit 2; The 3rd junction block 3 is radially through the first sleeve pipe 1 sidewall integrally welded with the first end 201 of the first paragraph 21 of the second conduit 2.Alternatively, the first end 201 of the second conduit 2 can offer the 3rd screw thread, to connect fast high-pressure hose by threaded engagement.
, the second conduit 2 entirety can be " L " shape; The second segment 22 of the second conduit 2 can along first sleeve pipe 1 central axis direction extend, 21 radially extensions along the first sleeve pipe 1 of first paragraph of the second conduit 2, and be welded and fixed through the 3rd junction block 3 of the first sleeve pipe 1 sidewall.Wherein, the second conduit 2 can adopt quarter bend head tube, and the 3rd junction block 3 can adopt free flow coupling, to facilitate processing, cost-saving; One end that the 3rd junction block 3 deviates from the first sleeve pipe 1 is welded with nut (scheming not shown), to further facilitate the attended operation in drainage procedure.
Further, the diameter of the first sleeve pipe 1 can be 50mm, and the diameter of the second conduit 2 can be 15mm, so that form enough gaps between the first sleeve pipe and the second conduit 2, guarantee ponding is got rid of fast.Now, rigid pipe 12 diameters also can be 15mm, and one end of corresponding the second conduit 2 is provided with the screw thread of coupling.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.
Claims (6)
1. gas pumping hole discharges water with piecing devices, it is characterized in that, comprising:
The first sleeve pipe, the second conduit and the 3rd junction block; The first end of described the first sleeve pipe is provided with the first screw thread for being connected to drainage tube, and the second end of described the first sleeve pipe is provided with the second screw thread connecting for being connected to outside extraction pipeline; In described the first sleeve pipe, be provided with the second conduit, the second end of described the second conduit is positioned at described the first sleeve pipe, the first end of described the second conduit extend out to the first end outside of described the first sleeve pipe, and described the 3rd junction block is connected with the second end of described the second conduit through described the first sleeve pipe sidewall.
2. gas pumping according to claim 1 hole discharges water with piecing devices, it is characterized in that,
The first end of described the second conduit offers the 3rd screw thread.
3. gas pumping according to claim 1 hole discharges water with piecing devices, it is characterized in that,
Described the second conduit comprises the first paragraph extending along described first set tube hub axle and is vertically set on the second segment of described first paragraph one end; Described the 3rd junction block is radially through described the first sleeve pipe sidewall integrally welded with the described first paragraph end of described the second conduit.
4. discharge water with piecing devices according to the arbitrary described gas pumping hole of claim 1-3, it is characterized in that,
Described the 3rd junction block is free flow coupling, and one end that described the 3rd junction block deviates from described the first sleeve pipe is welded with nut.
5. discharge water with piecing devices according to the arbitrary described gas pumping hole of claim 1-3, it is characterized in that,
Between described the first sleeve pipe inner side and described the second conduit outside, form the first gap.
6. gas pumping according to claim 5 hole discharges water with piecing devices, it is characterized in that,
The diameter of described the first sleeve pipe is 50mm, and the diameter of described the second conduit is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420141198.0U CN203742662U (en) | 2014-03-26 | 2014-03-26 | Piecing device for water drainage of gas extraction hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420141198.0U CN203742662U (en) | 2014-03-26 | 2014-03-26 | Piecing device for water drainage of gas extraction hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742662U true CN203742662U (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420141198.0U Expired - Fee Related CN203742662U (en) | 2014-03-26 | 2014-03-26 | Piecing device for water drainage of gas extraction hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742662U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894839A (en) * | 2017-04-21 | 2017-06-27 | 辽宁科技学院 | A kind of aeratic hidden hole water trap for water balance principles |
| CN111608723A (en) * | 2020-06-09 | 2020-09-01 | 四川川煤华荣能源股份有限公司 | Drainage method for gas extraction hole |
-
2014
- 2014-03-26 CN CN201420141198.0U patent/CN203742662U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894839A (en) * | 2017-04-21 | 2017-06-27 | 辽宁科技学院 | A kind of aeratic hidden hole water trap for water balance principles |
| CN111608723A (en) * | 2020-06-09 | 2020-09-01 | 四川川煤华荣能源股份有限公司 | Drainage method for gas extraction hole |
| CN111608723B (en) * | 2020-06-09 | 2021-08-24 | 四川川煤华荣能源股份有限公司 | Drainage method for gas extraction hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20190326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |