CN205876263U - Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device - Google Patents
Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device Download PDFInfo
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- CN205876263U CN205876263U CN201620910439.2U CN201620910439U CN205876263U CN 205876263 U CN205876263 U CN 205876263U CN 201620910439 U CN201620910439 U CN 201620910439U CN 205876263 U CN205876263 U CN 205876263U
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- air bag
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- mucus
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Abstract
The utility model provides an airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device, include: large aperture gas extraction pipe, mucus conveyer pipe, high -pressure gas tube, petaloid elasticity of torsion gasbag I, petaloid elasticity of torsion gasbag II can realize producing the moment of couple through the petaloid elasticity of torsion gasbag that adopts two turn -backs when filling into high -pressure gas, to coal petrography body radial stress not only, still produce tangential stress, can make gas drilling gasbag bearing better around coal body crazing crack closed, through the bilayer structure who adopts petaloid elasticity of torsion gasbag, make coal body crazing crack closure earlier under the effect of inlayer high -pressure gas, the rethread injects high -pressure mucus relief between space, gasbag and the pore wall and pore wall self relief between two gasbags of shutoff better into in packing gasbag and drilling to outer mucus, thoroughly cuts off the UNICOM of exterior space and gas room, has improved drainage efficiency and has put concentration with taking out.
Description
Technical field
This utility model relates to Safety of Coal Mine Production technical field, is specifically related to a kind of gas drilling hole sealing device, more
Body ground, relates to a kind of moment of couple and increases gas drilling air-tightness type large aperture extraction hole sealing device.
Background technology
During coal production, gas is one of big disaster of mine five, is also one of impact coal mining difficulty key element, pole
The earth threatens the security of the lives and property of staffs in coal mine, and the colliery severe and great casualty overwhelming majority that the whole nation occurs for many years is
Caused by gas.Therefore, gas improvement and comprehensive utilization increasingly by governments at all levels, safety regulator and enterprise
Great attention.
Gas Disaster is correctly prevented and treated Safety of Coal Mine Production significant, in the engineering practice of preventing and treating gas, first must
Must accurately obtain coal-bed gas pressure, next to that the efficient extraction of coal-bed gas.Gas pumping is exactly to coal seam or gas Nesting Zone
Drilling in territory, boring is connected on special pipeline, with extraction equipment, the gas in coal seam and goaf is evacuated to ground, add in order to
With；Mash gas extraction be not only reduction exploitation colliery during gas emission, prevent gas exceeding limit, pre-anti-gas explosion and coal with
The important measures of gas burst accident, make gas turn bane into boon, turn waste into wealth, and gas is developed as the resource of coal association
Utilize, huge value can be createed, improve the utilization rate of resource.But traditional gas drainage hole sealing device, use single rubber
Glue hole sealing device, poor air-tightness and sealing of hole DeGrain, cause gas overflowing, there is safety hidden during coal mining
Suffer from；Making to mix air in the gas of extraction simultaneously, reduce the extraction concentration of gas, the gas quality that extraction goes out is low.
Utility model content
(1) the technical problems to be solved in the utility model
Gas overflowing and the low deficiency that waits of extraction gas quality, this practicality existing is caused in sealing of hole poor air-tightness for prior art
The novel proposition one moment of couple increases gas drilling air-tightness type large aperture extraction hole sealing device, its object is to overcome and as above lacks
Fall into.
(2) technical scheme
This utility model provides a kind of moment of couple and increases gas drilling air-tightness type large aperture extraction hole sealing device, bag
Include: large aperture gas pumping pipe, mucus conveying pipe, high-pressure aerated pipe, petal elasticity of torsion air bag I, the petal elasticity of torsion
Air bag II, gas pumping pipe front end, described large aperture is provided with screen cover, and rear end is sequentially installed with gas pressure table and valve I, institute
State mucus conveying pipe and described high-pressure aerated pipe is placed in the gas pumping pipe pipe of described large aperture, and at borehole port
All sealing in tube wall perforate and extract out, described petal elasticity of torsion air bag I is fixedly mounted in the gas pumping pipe of described large aperture
Between end to the front, described petal elasticity of torsion air bag II is fixedly mounted on end to the rear in the middle of described large aperture gas pumping pipe, and
Described petal elasticity of torsion air bag I and described petal elasticity of torsion air bag II are all by described large aperture gas pumping pipe
Fixed position is opened aperture pipeline I and is connected with described high-pressure aerated pipe.
Further, described petal elasticity of torsion air bag I and described petal elasticity of torsion air bag II are double-deck knot
Structure, described petal elasticity of torsion air bag I includes petal sheet elastic bag I and mucus fills air bag, and each described petal sheet
Being to install clockwise between elastic bag I, described petal elasticity of torsion air bag II includes petal sheet elastic bag II and institute
Stating mucus and filling is to install counterclockwise between air bag, and each described petal sheet elastic bag II, and described mucus fills balloon surface
Uniformly have overflow aperture, in order to mucus is overflowed and filled up crack, and described mucus fills air bag by described large aperture gas
Drainage tube tube wall is opened aperture pipeline II and is connected with described mucus conveying pipe.
Further, described large aperture gas pumping pipe is in described petal elasticity of torsion air bag I and described petal torsion
Turn the middle tube wall of elastic bag II and have three muiclage-pores, and described muiclage-pore is connected by pipeline with described mucus conveying pipe.
Further, described mucus conveying pipe is sequentially installed with mucus Pressure gauge, valve II at the port of export, and described high pressure fills
Trachea is sequentially installed with gas gauge, valve III at the port of export.
(3) beneficial effect
Use the technical scheme that this utility model provides, compared with prior art, there is following remarkable result:
(1) a kind of moment of couple that this utility model provides increases gas drilling air-tightness type large aperture extraction hole sealing device,
Produce the moment of couple when being filled with gases at high pressure by using the petal elasticity of torsion air bag of two turn-backs may be implemented in, taking out
Adopt under body fixing situation, air bag relative torsion, coal and rock is not only produced radial stress, also produces tangential stress, Ke Yigeng
Good make cracks in coal seam Guan Bi around gas drilling air bag bearing.
(2) a kind of moment of couple that this utility model provides increases gas drilling air-tightness type large aperture extraction hole sealing device,
By using the double-decker of petal elasticity of torsion air bag, first make microfissure close under internal layer gases at high pressure effect, then lead to
Cross injection high pressure mucus in outer layers mucus fills air bag and boring and can preferably block space, air bag and hole between two air bags
Relief between wall and hole wall (or in coal and rock) self relief, thoroughly cut off the UNICOM of space outerpace and gas room, improve
Drainage efficient and extraction concentration.
(3) a kind of moment of couple that this utility model provides increases gas drilling air-tightness type large aperture extraction hole sealing device,
Can be in real time to gas pressure, the monitoring of air bag pressure by each Pressure gauge of employing.This device execute-in-place simple and fast, saves
Manpower and materials, greatly reduce sealing of hole cost, without any potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the dress that a kind of moment of couple of the present utility model increases gas drilling air-tightness type large aperture extraction hole sealing device
Figure；
Fig. 2 is the knot that a kind of moment of couple of the present utility model increases gas drilling air-tightness type large aperture extraction hole sealing device
Structure schematic diagram；
Fig. 3 is drainage tube of the present utility model petal elasticity of torsion airbag structure schematic diagram；
Fig. 4 is petal elasticity of torsion air bag II A-A floor map of the present utility model；
Fig. 5 is petal elasticity of torsion air bag I B-B floor map of the present utility model；
In figure: 1-screen cover；2-large aperture gas pumping pipe；3-petal elasticity of torsion air bag I；4-overflow aperture；5-
Muiclage-pore；The high-pressure aerated pipe of 6-；7-mucus conveying pipe；8-valve II；9-mucus Pressure gauge；10-petal elasticity of torsion air bag
Ⅱ；11-valve III；12-gas gauge；13-gas pressure table；14-valve I；15-high pressure mucus；16-coal body；17-gas
Extraction borehole；18-crack；19-gas；20-pipeline II；21-pipeline I；22-mucus fills air bag；23-petal sheet elastic bag
Ⅱ；24-petal sheet elastic bag I.
Detailed description of the invention
With embodiment, embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.Following example
For this utility model is described, but can not be used for limiting scope of the present utility model.
As described in Figure, a kind of moment of couple that this utility model provides increases gas drilling air-tightness type large aperture extraction sealing of hole
Device, including: large aperture gas pumping pipe 2, mucus conveying pipe 7, high-pressure aerated pipe 6, petal elasticity of torsion air bag I 3, petal
Shape elasticity of torsion air bag II 10, gas pumping pipe 2 front end, described large aperture is provided with screen cover 1, and rear end is sequentially installed with gas pressure
Power table 13 and valve I 14, described mucus conveying pipe 7 and described high-pressure aerated pipe 6 are placed in described large aperture gas pumping pipe 2 and manage
In, and extract out all sealing in tube wall perforate at borehole port, described mucus conveying pipe 7 is sequentially installed with viscous at the port of export
Hydraulic coupling table 9, valve II 8, described high-pressure aerated pipe 6 is sequentially installed with gas gauge 12, valve III 11 at the port of export, described
Petal elasticity of torsion air bag I 3 is fixedly mounted on end to the front in the middle of the gas pumping pipe 2 of described large aperture, described petal torsion
Elastic bag II 10 is fixedly mounted on end to the rear in the middle of the gas pumping pipe 2 of described large aperture, and described petal elasticity of torsion gas
Capsule I 3 and described petal elasticity of torsion air bag II 10 are all by opening aperture use at described large aperture gas pumping pipe 2 fixed position
Pipeline I 21 connects with described high-pressure aerated pipe 6.
Further, described petal elasticity of torsion air bag I 3 is bilayer with described petal elasticity of torsion air bag II 10
Structure, described petal elasticity of torsion air bag I 3 includes petal sheet elastic bag I 24 and mucus fills air bag 22, and each described
Being to install clockwise between petal sheet elastic bag I 24, it is elastic that described petal elasticity of torsion air bag II 10 includes petal sheet
It is to install counterclockwise between air bag 22, and each described petal sheet elastic bag II 23 that air bag II 23 and described mucus are filled, described
Mucus is filled air bag 22 surface and is uniformly had overflow aperture 4, in order to mucus is overflowed and filled up crack 18, and described mucus fills air bag
22 are connected by opening aperture pipeline II 20 and described mucus conveying pipe 7 at described large aperture gas pumping pipe 2 tube wall.Described greatly
Aperture gas pumping pipe 2 is at described petal elasticity of torsion air bag I 3 and the described petal middle tube wall of elasticity of torsion air bag II 10
Have three muiclage-pores 5, and described muiclage-pore 5 is connected by pipeline with described mucus conveying pipe 7.
As shown in Figure 1 and Figure 2, a kind of moment of couple that this utility model provides increases gas drilling air-tightness type large aperture and takes out
Adopting hole sealing device, concrete operation method is as follows:
First, in coal mine gas extraction drill site, a large aperture mash gas pumping drilling 17 is made a call to, when drill bit is drilled into coal
When layer and the intersection of roof, stop creeping into, exit drilling rod, to be rinsed clean after, then, this device is inserted and holes
In, now, described petal elasticity of torsion air bag I 3, described petal elasticity of torsion air bag II 10 are in contraction state, treat
After drainage tube arrives designated depth, now, open described valve III 11, by described high-pressure aerated pipe 6 to petal torsion bullet
It is filled with gases at high pressure in property air bag I 3, described petal elasticity of torsion air bag II 10, when air bag slightly expands and presses hole wall, beats
Open described valve II 8, fill air bag 22 and described mash gas pumping drilling 17 by mucus described in described mucus conveying pipe 7 outer layers
Interior injection high pressure mucus 15, meanwhile, closes after presetting force value while fill high pressure mucus 15 described in gases at high pressure marginal not
Close described valve II 8, described valve III 11, due to described petal sheet elastic bag each on described petal elasticity of torsion air bag I 3
I 24 anticipations are reversed clockwise and on described petal elasticity of torsion air bag II 10, each described petal sheet elastic bag II 23 is envisioned inverse
Hour hands reverse, and just produce the moment of couple and make it the most all reverse relative to drainage tube under gas pumping pipe fixing situation, thus right
Coal and rock not only produces radial stress, also produces tangential stress, makes to split described in coal seam around mash gas pumping drilling air bag bearing
Gap 18 closes, and under described high pressure mucus 15 acts on, can preferably block space between two air bags, between air bag and hole wall
Relief and hole wall (or in coal and rock) self relief, thoroughly cut off the UNICOM of space outerpace and gas room, improve extraction effect
Rate and extraction concentration.This device also can measure gas pressure in drainage holes in the case of described valve I 14 is closed and pass through described watt
This Pressure gauge 13 directly reads, and after described valve I 14 to be opened, can be taken out by described large aperture gas by gas in coal seam 19
Adopt pipe 2 to extract out, be delivered to ground and be used.
Be given for the sake of example and description during embodiment of the present utility model, and be not exhaustively or to incite somebody to action
This utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Selecting and describing embodiment is to better illustrate principle of the present utility model and actual application, and makes this area
Those of ordinary skill it will be appreciated that this utility model thus design is suitable to the various enforcements with various amendments of special-purpose
Example.
Claims (4)
1. a moment of couple increases gas drilling air-tightness type large aperture extraction hole sealing device, it is characterised in that including: large aperture
Gas pumping pipe (2), mucus conveying pipe (7), high-pressure aerated pipe (6), petal elasticity of torsion air bag I (3), petal torsion bullet
Property air bag II (10), gas pumping pipe (2) front end, described large aperture is provided with screen cover (1), and rear end is sequentially installed with gas pressure
Table (13) and valve I (14), described mucus conveying pipe (7) and described high-pressure aerated pipe (6) are placed in described large aperture gas and take out
Adopt in pipe (2) pipe, and extract out all sealing in tube wall perforate at borehole port, described petal elasticity of torsion air bag I (3)
Being fixedly mounted on end to the front in the middle of described large aperture gas pumping pipe (2), described petal elasticity of torsion air bag II (10) is fixed
It is arranged on end to the rear in the middle of described large aperture gas pumping pipe (2), and described petal elasticity of torsion air bag I (3) and described flower
Lobed elasticity of torsion air bag II (10) is all by opening aperture pipeline I at described large aperture gas pumping pipe (2) fixed position
(21) connect with described high-pressure aerated pipe (6).
A kind of moment of couple the most according to claim 1 increases gas drilling air-tightness type large aperture extraction hole sealing device, its
It is characterised by: described petal elasticity of torsion air bag I (3) is double-deck knot with described petal elasticity of torsion air bag II (10)
Structure, described petal elasticity of torsion air bag I (3) includes petal sheet elastic bag I (24) and mucus and fills air bag (22), and respectively
Being to install clockwise between described petal sheet elastic bag I (24), described petal elasticity of torsion air bag II (10) includes flower
Limb elastic bag II (23) and described mucus fill air bag (22), and are inverse between each described petal sheet elastic bag II (23)
Hour hands are installed, and described mucus is filled air bag (22) surface and uniformly had overflow aperture (4), in order to mucus is overflowed and filled up crack
(18), and described mucus fill air bag (22) by opening aperture pipeline II at described large aperture gas pumping pipe (2) tube wall
(20) it is connected with described mucus conveying pipe (7).
A kind of moment of couple the most according to claim 1 increases gas drilling air-tightness type large aperture extraction hole sealing device, its
It is characterised by: described large aperture gas pumping pipe (2) is in described petal elasticity of torsion air bag I (3) and described petal torsion
In the middle of elastic bag II (10), tube wall has three muiclage-pores (5), and described muiclage-pore (5) leads to described mucus conveying pipe (7)
Cross pipeline to connect.
A kind of moment of couple the most according to claim 1 increases gas drilling air-tightness type large aperture extraction hole sealing device, its
It is characterised by: described mucus conveying pipe (7) is sequentially installed with mucus Pressure gauge (9), valve II (8), described high pressure at the port of export
Gas tube (6) is sequentially installed with gas gauge (12), valve III (11) at the port of export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910439.2U CN205876263U (en) | 2016-08-21 | 2016-08-21 | Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620910439.2U CN205876263U (en) | 2016-08-21 | 2016-08-21 | Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device |
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| Publication Number | Publication Date |
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| CN205876263U true CN205876263U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620910439.2U Expired - Fee Related CN205876263U (en) | 2016-08-21 | 2016-08-21 | Airtight sexual type large aperture of moment of couple increase gas drilling is taken out and is adopted hole sealing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109113786A (en) * | 2018-10-12 | 2019-01-01 | 安徽理工大学 | Drilling rod formula gas drainage device can be exited |
| WO2019100732A1 (en) * | 2017-11-24 | 2019-05-31 | 山东科技大学 | Device and method for coal seam gas pressure measurement and dynamic self-balancing pressurized hole sealing |
| CN114183093A (en) * | 2021-12-13 | 2022-03-15 | 中国安全生产科学研究院 | Drilling grading, segmenting, time-sharing and grouting hole sealing device and method |
| CN115929251A (en) * | 2022-12-05 | 2023-04-07 | 中国矿业大学(北京) | Downhole recyclable dynamic liquid injection hole sealing device and construction method |
| CN117705843A (en) * | 2024-02-05 | 2024-03-15 | 南方科技大学 | Seepage neutron scattering device and method for simulating stratum in-situ stress condition |
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2016
- 2016-08-21 CN CN201620910439.2U patent/CN205876263U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100732A1 (en) * | 2017-11-24 | 2019-05-31 | 山东科技大学 | Device and method for coal seam gas pressure measurement and dynamic self-balancing pressurized hole sealing |
| US10794174B2 (en) * | 2017-11-24 | 2020-10-06 | Shandong University Of Science And Technology | Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement |
| CN109113786A (en) * | 2018-10-12 | 2019-01-01 | 安徽理工大学 | Drilling rod formula gas drainage device can be exited |
| CN109113786B (en) * | 2018-10-12 | 2023-09-08 | 安徽理工大学 | Gas extraction device capable of withdrawing drill rod |
| CN114183093A (en) * | 2021-12-13 | 2022-03-15 | 中国安全生产科学研究院 | Drilling grading, segmenting, time-sharing and grouting hole sealing device and method |
| CN115929251A (en) * | 2022-12-05 | 2023-04-07 | 中国矿业大学(北京) | Downhole recyclable dynamic liquid injection hole sealing device and construction method |
| CN117705843A (en) * | 2024-02-05 | 2024-03-15 | 南方科技大学 | Seepage neutron scattering device and method for simulating stratum in-situ stress condition |
| CN117705843B (en) * | 2024-02-05 | 2024-04-16 | 南方科技大学 | Seepage neutron scattering device and method for simulating stratum in-situ stress condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20170821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |