CN202220616U - Drilling extraction hole plugging device - Google Patents
Drilling extraction hole plugging device Download PDFInfo
- Publication number
- CN202220616U CN202220616U CN2011203255894U CN201120325589U CN202220616U CN 202220616 U CN202220616 U CN 202220616U CN 2011203255894 U CN2011203255894 U CN 2011203255894U CN 201120325589 U CN201120325589 U CN 201120325589U CN 202220616 U CN202220616 U CN 202220616U
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- Prior art keywords
- extraction
- hole
- grouting
- capsule
- plugging device
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Abstract
The utility model provides a drilling extraction hole plugging device, which comprises an extraction pipe and an elastic hole sealing capsule. One end of the extraction pipe is inserted into a gas extraction hole, the elastic hole sealing capsule is fixedly sleeved on the outer wall of the middle of the extraction pipe, two ends of the elastic hole sealing capsule are hermetically fixed to the outer wall of the extraction pipe, a cavity is formed between the middle of the elastic hole sealing capsule and the outer wall surface of the extraction pipe, a grouting port and a slurry outlet are arranged at two ends of the cavity respectively, the grouting port is arranged at the end close to an orifice of the extraction hole, and the slurry outlet is arranged at the end far away from the orifice of the extraction hole. The drilling extraction hole plugging device has the advantages that grouting and plugging are performed after the elastic hole sealing capsule is bulged by the aid of grouting pressure, plugging and grouting functions are integrated on the same device, plugging and grouting operation is simplified, gas leakage is decreased by means of elastic sealing of the elastic hole sealing capsule, and the plugging 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 carries out fixedly grouting behind shaft or drift lining of shutoff with polyurethane to the extraction pipe in the extraction hole, and the polyurethane shutoff is fixing not tight, runs slurry during slip casting easily from the aperture, the sealing of hole weak effect, and gas leakage is serious.
The utility model content
The utility model provides a kind of extraction borehole plugging device, is used for shutoff is carried out in the extraction hole of upwards offering, and reduces gas leakage, improves plugging effect.
The utility model provides a kind of extraction borehole plugging device, wherein, comprising:
Extraction pipe, an end are plugged in the extraction hole;
Elasticity sealing of hole capsule; Fixed cover is located on the outer wall at said extraction pipe middle part; The two ends of said elasticity sealing of hole capsule and the outer wall sealing and fixing of said extraction pipe form cavity between the middle part of said elasticity sealing of hole capsule and the outside wall surface of said extraction pipe, and the two ends of said cavity are respectively arranged with grouting port and grout outlet; Said grouting port is arranged on the end near aperture, said extraction hole, and said grout outlet is arranged on the end away from aperture, said extraction hole.
Aforesaid extraction borehole plugging device; Wherein, Preferably; The two ends of said elasticity sealing of hole capsule are provided with metal sleeve respectively, and the sealed at both ends of said elasticity sealing of hole capsule is socketed on the said metal sleeve, and said metal sleeve is away from the outer wall sealing and fixing of an end and the extraction pipe of said elasticity sealing of hole capsule; Said grouting port and grout outlet are arranged on the two ends of said metal sleeve.
Aforesaid extraction borehole plugging device, wherein, preferably, said grout outlet is provided with the diaphragm case that is used under the grouting pressure of setting, stopping slurries.
Aforesaid extraction borehole plugging device, wherein, preferably, said grouting port is provided with the joint that is used to connect Grouting Pipe.
The extraction borehole plugging device that the utility model 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; Grouting port and grout outlet are separately positioned on the two ends of slip casting cavity; When this set-up mode makes the extraction hole that plugging device is used for upwards offering; The block section is formed on away from the extraction hole in aperture inner; Slurries engage with elasticity sealing of hole capsule under action of gravity, thus make the slurries that solidify and elasticity sealing of hole capsule combine more firmly, shutoff is 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:
1-extraction pipe; 2-elasticity sealing of hole capsule; The 3-grouting port;
The 4-grout outlet; The 5-metal sleeve; The 6-joint.
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, and comprising extraction pipe 1 and elasticity sealing of hole capsule 2, an end of extraction pipe 1 is plugged in the gas pumping hole; Elasticity sealing of hole capsule 2 fixed covers are located on the outer wall at extraction pipe 1 middle part, and the two ends of elasticity sealing of hole capsule 2 and the outer wall sealing and fixing of extraction pipe 1 form cavity between the outside wall surface of middle part and extraction pipe 1, and the two ends of cavity are respectively arranged with grouting port 3 and grout outlet 4.
Particularly; The sealing of elasticity sealing of hole capsule 2 two ends and extraction pipe 1 outer wall can realize in the following manner: the two ends at elasticity sealing of hole capsule 2 are provided with metal sleeve 5 respectively; The sealed at both ends of elasticity sealing of hole capsule 2 is socketed in an end of metal sleeve 5, the other end of metal sleeve 5 respectively with the outer wall sealing and fixing of extraction pipe 1; Grouting port 3 and grout outlet 4 can be separately positioned on the two ends of cavity, promptly are opened in the two ends of metal sleeve 5.
In practical application, above-mentioned plugging device can be used for gas pumping is carried out in the extraction hole of upwards offering, and earlier with the position, aperture, elasticity sealing of hole capsule 2 corresponding extraction hole in the plugging device, extraction pipe 1 is inserted in the extraction hole, through grouting port 3 beginning slip castings again.Increase along with grouting pressure; Slurries are filled in the cavity between elasticity sealing of hole capsule 2 and the extraction pipe 1 gradually; Thereby it is tight that elasticity sealing of hole capsule 2 is expanded to extraction hole port closing, continues pressurization slip casting slurries are flowed out to the extraction hole from grout outlet 4, and slurries solidify promptly realizes shutoff.
Preferably, be provided with diaphragm case, when initial slip casting at grout outlet 4; Can stop under the grouting pressure of setting that slurries flow out from grout outlet 4, behind elasticity sealing of hole capsule 2 Expansion sealing apertures, continue pressurization slip casting; Slurries bursting diaphragm case after the pressurization, thus slurries are injected in the extraction hole.
Further, grouting port 3 is provided with joint 6, 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; Grouting port and grout outlet are separately positioned on the two ends of extraction pipe; When this set-up mode makes the extraction hole that plugging device is used for upwards offering; The block section is formed on away from the extraction hole in aperture inner, and combining of the slurries that solidify and elasticity sealing of hole capsule is more firm, 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, asks the while with reference to Fig. 1, comprising:
Step 110, with position, aperture, elasticity sealing of hole capsule 2 corresponding extraction hole, in the extraction hole, insert extraction pipe 1.
Step 120, in the cavity of 1 of elasticity sealing of hole capsule 2 and extraction pipe, inject slurries through grouting port 3, when judging elasticity sealing of hole capsule 2 complete distending shutoff extraction holes, pressurization slip casting is so that slurries solidify fixedly elasticity sealing of hole capsule 2 of back.
When shutoff was carried out in the extraction hole of upwards offering, in position, aperture, extraction hole, this moment, grouting port 3 was arranged on outside the hole with elasticity sealing of hole capsule 2 correspondences; Grout outlet 4 is arranged on the depths away from the aperture; After elasticity sealing of hole capsule 2 bulges, continue slip casting, slurries flow out from grout outlet 4; Under action of gravity, flow to elasticity sealing of hole capsule 2, after slurries solidify elasticity sealing of hole capsule 2 and extraction hole are fixed.
The extraction borehole method for blocking that the utility model embodiment provides is when carrying out the slip casting shutoff to the extraction hole of upwards offering, and plugging effect is 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 (4)
1. an extraction borehole plugging device is characterized in that, comprising:
Extraction pipe, an end are plugged in the extraction hole;
Elasticity sealing of hole capsule; Fixed cover is located on the outer wall at said extraction pipe middle part; The two ends of said elasticity sealing of hole capsule and the outer wall sealing and fixing of said extraction pipe form cavity between the middle part of said elasticity sealing of hole capsule and the outside wall surface of said extraction pipe, and the two ends of said cavity are respectively arranged with grouting port and grout outlet; Said grouting port is arranged on the end near aperture, said extraction hole, and said grout outlet is arranged on the end away from aperture, said extraction hole.
2. extraction borehole plugging device according to claim 1; It is characterized in that; The two ends of said elasticity sealing of hole capsule are provided with metal sleeve respectively; The sealed at both ends of said elasticity sealing of hole capsule is socketed on the said metal sleeve, and said metal sleeve is away from the outer wall sealing and fixing of an end and the extraction pipe of said elasticity sealing of hole capsule; Said grouting port and grout outlet are arranged on the two ends of said metal sleeve.
3. extraction borehole plugging device according to claim 1 and 2 is characterized in that, said grout outlet is provided with the diaphragm case that is used under the grouting pressure of setting, stopping slurries.
4. extraction borehole plugging device according to claim 1 and 2 is characterized in that said grouting port is provided with the joint that is used to connect Grouting Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203255894U CN202220616U (en) | 2011-09-01 | 2011-09-01 | Drilling extraction hole plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203255894U CN202220616U (en) | 2011-09-01 | 2011-09-01 | Drilling extraction hole plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202220616U true CN202220616U (en) | 2012-05-16 |
Family
ID=46042643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203255894U Withdrawn - After Issue CN202220616U (en) | 2011-09-01 | 2011-09-01 | Drilling extraction hole plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202220616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966370A (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 |
| CN103075127A (en) * | 2012-12-27 | 2013-05-01 | 中国矿业大学 | Device and method for sealing drill hole by flexible filling material |
-
2011
- 2011-09-01 CN CN2011203255894U patent/CN202220616U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966370A (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 |
| CN102966370B (en) * | 2011-09-01 | 2015-04-29 | 淮南矿业(集团)有限责任公司 | Drainage borehole plugging device and method |
| CN103075127A (en) * | 2012-12-27 | 2013-05-01 | 中国矿业大学 | Device and method for sealing drill hole by flexible filling material |
| WO2014101653A1 (en) * | 2012-12-27 | 2014-07-03 | 中国矿业大学 | Drilling hole sealing apparatus and method using flexible filling material |
| CN103075127B (en) * | 2012-12-27 | 2016-02-24 | 中国矿业大学 | A kind of flexible filling material drilling and sealing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120516 Effective date of abandoning: 20150429 |