CN202220581U - Plugging device for extraction drill hole - Google Patents
Plugging device for extraction drill hole Download PDFInfo
- Publication number
- CN202220581U CN202220581U CN2011203258445U CN201120325844U CN202220581U CN 202220581 U CN202220581 U CN 202220581U CN 2011203258445 U CN2011203258445 U CN 2011203258445U CN 201120325844 U CN201120325844 U CN 201120325844U CN 202220581 U CN202220581 U CN 202220581U
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- China
- Prior art keywords
- extraction
- hole
- plugging device
- capsule
- elasticity sealing
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- 238000000605 extraction Methods 0.000 title claims abstract description 112
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000002775 capsule Substances 0.000 claims abstract description 73
- 239000011440 grout Substances 0.000 claims abstract description 36
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 26
- 238000007569 slipcasting Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model provides an extract drilling plugging device, the device includes first and second plugging device, first plugging device includes first adopting pipe and first elasticity hole sealing capsule, forms first cavity between the outer wall of first elasticity hole sealing capsule and first adopting pipe, and the both ends of this cavity are provided with first slip casting mouth and first grout outlet respectively; the second plugging device comprises a second extraction pipe and a second elastic hole sealing capsule, a second cavity is formed between the second elastic hole sealing capsule and the outer wall surface of the second extraction pipe, and a second grouting port and a second slurry outlet are formed in one end, close to the hole opening of the extraction hole, of the cavity; the second grouting port is hermetically connected with the first grout outlet. The utility model provides an extract drilling plugging device utilizes grouting pressure to expand the back slip casting shutoff again with each elasticity hole sealing capsule, with shutoff and slip casting function integration on same device, has simplified shutoff slip casting work, and the elastic sealing of elasticity shutoff capsule has reduced gas leakage simultaneously, and the shutoff effect is better.
Description
Technical field
The utility model relates to coal mine gas extraction technology, relates in particular to a kind of extraction borehole plugging device.
Background technology
Mine gas gas is one of known mine disaster, in order to reduce or eliminate the safety hazard that gas is produced mine, can solve the gas emission in coal mining and the tunneling process through the gas that shifts to an earlier date the extraction coal seam.Existing gas pumping technology generally is that outer end is used the polyurethane shutoff in the extraction hole; On the extraction pipe at 12 meters, aperture, carrying out shutoff through sea-tangle or polyurethane in the extraction hole again fixes; Polyurethane or sea-tangle shutoff are fixing not tight, and during slip casting, cement paste sees through the space, block section easily; Its shutoff imprecision can produce gas leakage or take out the defective less than gas.
The utility model content
The utility model provides a kind of extraction borehole plugging device, and shutoff is carried out in the extraction hole that is used for level is offered, and reduces gas leakage, improves plugging effect.
The utility model provides a kind of extraction borehole plugging device, wherein, comprises first plugging device and second plugging device, and said first plugging device is compared with said second plugging device more and is provided with near aperture, extraction hole, and said first plugging device comprises:
The first extraction pipe, an end are plugged in the extraction hole;
The first elasticity sealing of hole capsule; Fixed cover is located on the outer wall at said first extraction pipe middle part; The outer wall sealing and fixing of the two ends of the said first elasticity sealing of hole capsule and the said first extraction pipe; Form first cavity between the middle part of the said first elasticity sealing of hole capsule and the outside wall surface of the said first extraction pipe; The two ends of said first cavity are respectively arranged with first grouting port and first grout outlet, and said first grouting port is arranged on the end near aperture, said extraction hole, and said first grout outlet is arranged on the end away from aperture, said extraction hole;
Said second plugging device comprises:
The second extraction pipe, integral body are plugged in the extraction hole, with said first the extraction pipe is airtight communicates;
The second elasticity sealing of hole capsule; Fixed cover is located on the outer wall at said second extraction pipe middle part; The outer wall sealing and fixing of the two ends of the said second elasticity sealing of hole capsule and the said second extraction pipe; Form second cavity between the middle part of the said second elasticity sealing of hole capsule and the outside wall surface of the said second extraction pipe, said second cavity is respectively arranged with second grouting port and second grout outlet near an end in aperture, said extraction hole; Said second grouting port and said airtight linking to each other of first grout outlet.
Aforesaid extraction borehole plugging device; Wherein, Preferably; The two ends of the said first elasticity sealing of hole capsule are provided with first metal sleeve respectively, and the sealed at both ends of the said first elasticity sealing of hole capsule is socketed on said first metal sleeve, and said first metal sleeve is away from the outer wall sealing and fixing of an end and the first extraction pipe of the said first elasticity sealing of hole capsule; Said first grouting port and first grout outlet are separately positioned on the two ends of said first metal sleeve.
Aforesaid extraction borehole plugging device; Wherein, Preferably; The two ends of the said second elasticity sealing of hole capsule are provided with second metal sleeve respectively, and the sealed at both ends of the said second elasticity sealing of hole capsule is socketed on said second metal sleeve, and said second metal sleeve is away from the outer wall sealing and fixing of an end and the second extraction pipe of the said second elasticity sealing of hole capsule; Said second grouting port and second grout outlet all are arranged on the end of second metal sleeve near aperture, said extraction hole.
Aforesaid extraction borehole plugging device, wherein, preferably, said first grout outlet and second grout outlet are respectively arranged with the diaphragm case that is used under the grouting pressure of setting, stopping slurries.
Aforesaid extraction borehole plugging device, wherein, preferably, said first grouting port, second grouting port and said first grout outlet are provided with the joint that is used to be connected Grouting Pipe respectively.
The extraction borehole plugging device that the utility model provides is implemented the slip casting shutoff after utilizing grouting pressure that two elasticity sealing of hole capsules are bulged successively again; Shutoff and slip casting function are integrated on the same device; Simplified shutoff slip casting work; The elastic packing of elasticity shutoff capsule has reduced gas leakage simultaneously, and plugging effect is better; During plugging device that the position provides the utility model is set is used for extraction hole that level offers of each grouting port and grout outlet, the block section is formed on two interstitial sites between the elasticity sealing of hole capsule, makes shutoff tighter.
Description of drawings
The extraction borehole plugging device structural representation that Fig. 1 provides for the utility model embodiment.
The extraction borehole method for blocking schematic flow sheet that Fig. 2 provides for the utility model embodiment.
Reference numeral:
The 1-first extraction pipe; The 2-first elasticity sealing of hole capsule; 3-first grouting port;
4-first grout outlet; 5-first metal sleeve; The 6-joint;
The 7-second extraction pipe; The 8-second elasticity sealing of hole capsule; 9-second grouting port;
10-second grout outlet; 11-second metal sleeve.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The extraction borehole plugging device structural representation that Fig. 1 provides for the utility model embodiment; The utility model provides a kind of extraction borehole plugging device; Comprise first plugging device and second plugging device; Wherein first plugging device is compared with second plugging device more and is provided with near aperture, extraction hole, and this first plugging device comprises that an end of the first extraction pipe 1 and the first elasticity sealing of hole capsule, 2, the first extraction pipes 1 is plugged in the gas pumping hole; The first elasticity sealing of hole capsule, 2 fixed covers are located on the outer wall at the first extraction pipe, 1 middle part; The outer wall sealing and fixing of the two ends of the first elasticity sealing of hole capsule 2 and the first extraction pipe 1; Form first cavity between the outside wall surface of the middle part and the first extraction pipe 1; The two ends of this first cavity are respectively arranged with first grouting port 3 and first grout outlet, 4, the first grouting ports 3 are arranged on the end near aperture, extraction hole, and first grout outlet 4 is arranged on the end away from aperture, extraction hole; This second plugging device comprises that the second extraction pipe 7 and the second elasticity sealing of hole capsule, 8, the second extraction pipes, 7 integral body are plugged in the extraction hole, with the said first extraction pipe, 1 airtight communicating; The second elasticity sealing of hole capsule, 8 fixed covers are located on the outer wall at the second extraction pipe, 7 middle parts; The outer wall sealing and fixing of the two ends of the second elasticity sealing of hole capsule 8 and the second extraction pipe 7; Form second cavity between the outside wall surface of the middle part and the second extraction pipe 7, this second cavity is respectively arranged with second grouting port 9 and second grout outlet 10 near an end in aperture, extraction hole; Said second grouting port 9 and said 4 airtight linking to each other of first grout outlet.
Particularly; The sealing of first elasticity sealing of hole capsule 2 two ends and the first extraction pipe, 1 outer wall can realize in the following manner: at the two ends of the first elasticity sealing of hole capsule 2 first metal sleeve 5 is set respectively; The sealed at both ends of the first elasticity sealing of hole capsule 2 is socketed on first metal sleeve 5, first metal sleeve 5 respectively with the outer wall sealing and fixing of the first extraction pipe 1; First grouting port 3 and first grout outlet 4 can be separately positioned on the two ends of first cavity, promptly are opened in the two ends of first metal sleeve 5.
Simultaneously; The sealing of second elasticity sealing of hole capsule 8 two ends and the second extraction pipe, 7 outer walls can realize in the following manner: at the two ends of the second elasticity sealing of hole capsule 8 second metal sleeve 11 is set respectively; The sealed at both ends of the second elasticity sealing of hole capsule 8 is socketed on second metal sleeve 11, and second metal sleeve 11 is away from the outer wall sealing and fixing of an end and the second extraction pipe 7 of the second elasticity sealing of hole capsule 8; Second grouting port 9 and second grout outlet 10 all are arranged on the end of second metal sleeve 11 near aperture, extraction hole.
In practical application; Gas pumping is carried out in the extraction hole that above-mentioned plugging device can be used for level is offered; Earlier first plugging device and second plugging device are put into the extraction hole; Position, aperture, the first elasticity sealing of hole capsule, 2 corresponding extraction hole wherein, the second elasticity sealing of hole capsule, 8 correspondences are inner in the extraction hole away from position, aperture, extraction hole; In the first extraction pipe 1, inject slurries through first grouting port 3 again, when judging the first elasticity sealing of hole capsule, 2 complete distending shutoff extraction holes, pressurization slip casting is so that slurries flow into second grouting port 9; The slip casting of pressurizeing afterwards when judging the second elasticity sealing of hole capsule, 8 complete distending shutoff extraction holes, continues pressurization slip casting, makes slurries fill up the gap between the first elasticity sealing of hole capsule 2 and the second elasticity sealing of hole capsule 8, and slurries solidify promptly realizes shutoff.
Preferably, first grout outlet 4 and second grout outlet 10 are respectively arranged with diaphragm case, when initial slip casting; Diaphragm case can stop under the grouting pressure of setting that slurries flow out from first grout outlet 4; Behind the first elasticity sealing of hole capsule, 2 Expansion sealing apertures, continue pressurization slip casting, the slurries bursting diaphragm case after the pressurization; Thereby slurries are injected in second grouting port 9; Carry out the seal process that bulges to the second elasticity sealing of hole capsule again, this process is identical with the course of work of above-mentioned first plugging device, repeats no more at this.
Further, first grouting port, second grouting port and first grout outlet are provided with joint 6 respectively, to be used to connect Grouting Pipe.
The extraction borehole plugging device that the utility model embodiment provides is implemented the slip casting shutoff after utilizing grouting pressure that elasticity sealing of hole capsule is bulged again; Shutoff and slip casting function are integrated on the same device; Simplified shutoff slip casting work; The elastic packing of elasticity shutoff capsule has reduced gas leakage simultaneously, and plugging effect is better; During the position is set makes plugging device be used for extraction hole that level offers of each grouting port and grout outlet, the block section is formed on two interstitial sites between the elasticity sealing of hole capsule, makes shutoff tighter.
The extraction borehole method for blocking schematic flow sheet that Fig. 2 provides for the utility model embodiment, the utility model embodiment also provides a kind of extraction borehole method for blocking, and is as shown in Figure 1, comprising:
When shutoff was carried out in the extraction hole that level is offered, in position, aperture, extraction hole, this moment, first grouting port 3 was arranged on outside the hole with the first elasticity sealing of hole capsule, 2 correspondences; First grout outlet 4 is arranged on the depths away from the aperture; After the first elasticity sealing of hole capsule 2 bulges, continue slip casting, slurries flow to the second elasticity sealing of hole capsule 8 from first grout outlet 4; After the second elasticity sealing of hole capsule 8 bulges; Continue slip casting, slurries are filled the gap between the first elasticity sealing of hole capsule 2 and the second elasticity sealing of hole capsule 8, after slurries solidify each elasticity sealing of hole capsule and extraction hole are fixed.
When the extraction borehole method for blocking that the utility model embodiment provides carried out the slip casting shutoff in the extraction hole that level is offered, plugging effect was good, and shutoff has reduced gas leakage after accomplishing, and shutoff is tight.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. an extraction borehole plugging device is characterized in that, comprises first plugging device and second plugging device, and said first plugging device is compared with said second plugging device more and is provided with near aperture, extraction hole, and said first plugging device comprises:
The first extraction pipe, an end are plugged in the extraction hole;
The first elasticity sealing of hole capsule; Fixed cover is located on the outer wall at said first extraction pipe middle part; The outer wall sealing and fixing of the two ends of the said first elasticity sealing of hole capsule and the said first extraction pipe; Form first cavity between the middle part of the said first elasticity sealing of hole capsule and the outside wall surface of the said first extraction pipe; The two ends of said first cavity are respectively arranged with first grouting port and first grout outlet, and said first grouting port is arranged on the end near aperture, said extraction hole, and said first grout outlet is arranged on the end away from aperture, said extraction hole;
Said second plugging device comprises:
The second extraction pipe, integral body are plugged in the extraction hole, with said first the extraction pipe is airtight communicates;
The second elasticity sealing of hole capsule; Fixed cover is located on the outer wall at said second extraction pipe middle part; The outer wall sealing and fixing of the two ends of the said second elasticity sealing of hole capsule and the said second extraction pipe; Form second cavity between the middle part of the said second elasticity sealing of hole capsule and the outside wall surface of the said second extraction pipe, said second cavity is respectively arranged with second grouting port and second grout outlet near an end in aperture, said extraction hole; Said second grouting port and said airtight linking to each other of first grout outlet.
2. extraction borehole plugging device according to claim 1; It is characterized in that; The two ends of the said first elasticity sealing of hole capsule are provided with first metal sleeve respectively; The sealed at both ends of the said first elasticity sealing of hole capsule is socketed on said first metal sleeve, and said first metal sleeve is away from the outer wall sealing and fixing of an end and the first extraction pipe of the said first elasticity sealing of hole capsule; Said first grouting port and first grout outlet are separately positioned on the two ends of said first metal sleeve.
3. extraction borehole plugging device according to claim 1; It is characterized in that; The two ends of the said second elasticity sealing of hole capsule are provided with second metal sleeve respectively; The sealed at both ends of the said second elasticity sealing of hole capsule is socketed on said second metal sleeve, and said second metal sleeve is away from the outer wall sealing and fixing of an end and the second extraction pipe of the said second elasticity sealing of hole capsule; Said second grouting port and second grout outlet all are arranged on the end of second metal sleeve near aperture, said extraction hole.
4. according to claim 1 or 2 or 3 described extraction borehole plugging devices, it is characterized in that said first grout outlet and second grout outlet are respectively arranged with the diaphragm case that is used under the grouting pressure of setting, stopping slurries.
5. according to claim 1 or 2 or 3 described extraction borehole plugging devices, it is characterized in that said first grouting port, second grouting port and said first grout outlet are provided with the joint that is used to be connected Grouting Pipe respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203258445U CN202220581U (en) | 2011-09-01 | 2011-09-01 | Plugging device for extraction drill hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203258445U CN202220581U (en) | 2011-09-01 | 2011-09-01 | Plugging device for extraction drill hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202220581U true CN202220581U (en) | 2012-05-16 |
Family
ID=46042608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203258445U Expired - Fee Related CN202220581U (en) | 2011-09-01 | 2011-09-01 | Plugging device for extraction drill hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202220581U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926700A (en) * | 2012-11-23 | 2013-02-13 | 平顶山市安泰华矿用安全设备制造有限公司 | Grouting bag type hole packer with multi-section seal |
| CN102966329A (en) * | 2011-09-01 | 2013-03-13 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
| CN103206190A (en) * | 2013-03-11 | 2013-07-17 | 晋城凤凰实业有限责任公司 | Rapid inflation grouting hole-sealing method |
-
2011
- 2011-09-01 CN CN2011203258445U patent/CN202220581U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966329A (en) * | 2011-09-01 | 2013-03-13 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
| CN102966329B (en) * | 2011-09-01 | 2015-02-04 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
| CN102926700A (en) * | 2012-11-23 | 2013-02-13 | 平顶山市安泰华矿用安全设备制造有限公司 | Grouting bag type hole packer with multi-section seal |
| CN103206190A (en) * | 2013-03-11 | 2013-07-17 | 晋城凤凰实业有限责任公司 | Rapid inflation grouting hole-sealing method |
| CN103206190B (en) * | 2013-03-11 | 2016-01-13 | 晋城凤凰实业有限责任公司 | Fast aeration slip-casting hole-sealing method |
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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: 20120516 Termination date: 20160901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |