CN203978370U - A kind of mash gas pumping drilling plugging device - Google Patents
A kind of mash gas pumping drilling plugging device Download PDFInfo
- Publication number
- CN203978370U CN203978370U CN201420366524.8U CN201420366524U CN203978370U CN 203978370 U CN203978370 U CN 203978370U CN 201420366524 U CN201420366524 U CN 201420366524U CN 203978370 U CN203978370 U CN 203978370U
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- sealing
- band
- pumping drilling
- plugging device
- gas pumping
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Abstract
The utility model discloses a kind of mash gas pumping drilling plugging device, comprise the gas exhaust pipe that is placed in mash gas pumping drilling, the outer wall of described gas exhaust pipe arranges plugging device, this plugging device is to be wrapped in the sealing of hole band that is full of sealing of hole composite material that gathers and be wound around at gas exhaust pipe outer wall between the shutoff band at gas exhaust pipe two ends and shutoff band, after sealing of hole composite material expands, sealing of hole band is random breaks, adopt the technical solution of the utility model, mash gas pumping drilling plugging device is put into mash gas pumping drilling together with gas exhaust pipe, after utilizing sealing of hole composite material to expand, the bulbs of pressure realize sealing of hole with pressure, increase sealing effectiveness, guarantee shutoff compactness, improve negative pressure of suction simultaneously, having overcome prior art adopts the mode of grouting to carry out shutoff to mash gas pumping drilling, the irregular defect that is difficult to guarantee shutoff compactness causing of inwall due to mash gas pumping drilling.
Description
Technical field
The utility model belongs to mining machinery field, and more particularly, the utility model relates to a kind of mash gas pumping drilling plugging device.
Background technology
In process of coal mining, gas a large amount of in coal seam need to be drawn out of by extraction technology, so that recycling; The basic step of gas pumping technology is, first in coal seam, holes, and secondly drawing-off gas pipe sent in boring to the 3rd sealing of hole; Owing to there is certain gap between gas exhaust pipe and drill hole wall, if shutoff is not carried out in this gap, and guarantee the closely knit of shutoff, otherwise have ventilative gap, cannot extract the gas in coal seam; So the quality of sealing quality has directly determined gas pumping effect; Prior art adopts the mode of grouting to carry out shutoff to gas hole mostly, because the inwall in hole is irregular, is difficult to guarantee the compactness of shutoff.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of mash gas pumping drilling plugging device that guarantees the compactness of shutoff.
To achieve these goals, the technical scheme that the utility model is taked is: a kind of mash gas pumping drilling plugging device providing, comprise the gas exhaust pipe that is placed in mash gas pumping drilling, the outer wall of described gas exhaust pipe arranges plugging device, this plugging device is to be wrapped in the sealing of hole band that is full of sealing of hole composite material that gathers and be wound around at gas exhaust pipe outer wall between the shutoff band at gas exhaust pipe two ends and shutoff band, and after sealing of hole composite material expands, sealing of hole band is random breaks.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, sealing of hole band is that soft material side seals is in conjunction with the pocket of parcel cavity, the middle part of cavity is provided with a sealing lines along pocket and cavity is divided into two lattice of isolation, different materials is housed in every lattice, and after being wound around, combine closely in the two ends of sealing of hole band.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, the two ends of sealing of hole band are provided with cemented joint.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, shutoff band is the shoestring that soft material is made, the two ends of shutoff band can strong bonded.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, gas exhaust pipe is placed in one end, mash gas pumping drilling bottom tube wall and is provided with screw thread outward, and described shutoff band is wrapped in screw thread place.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, shutoff band two ends are provided with buckle.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, shutoff band is rubber strip.
The disclosed a kind of mash gas pumping drilling plugging device of the utility model, comprise the gas exhaust pipe that is placed in mash gas pumping drilling, the outer wall of described gas exhaust pipe arranges plugging device, this plugging device is to be wrapped in the sealing of hole band that is full of sealing of hole composite material that gathers and be wound around at gas exhaust pipe outer wall between the shutoff band at gas exhaust pipe two ends and shutoff band, after sealing of hole composite material expands, sealing of hole band is random breaks, adopt the technical solution of the utility model, mash gas pumping drilling plugging device is put into mash gas pumping drilling together with gas exhaust pipe, after utilizing sealing of hole composite material to expand, the bulbs of pressure realize sealing of hole with pressure, increase sealing effectiveness, guarantee shutoff compactness, improve negative pressure of suction simultaneously, having overcome prior art adopts the mode of grouting to carry out shutoff to mash gas pumping drilling, the irregular defect that is difficult to guarantee shutoff compactness causing of inwall due to mash gas pumping drilling.
Sealing of hole band is that soft material side seals is in conjunction with the pocket of parcel cavity, the middle part of cavity is provided with a sealing lines along pocket and cavity is divided into two lattice of isolation, different materials is housed in every lattice, after being wound around, combine closely in the two ends of sealing of hole band, the composite expanded material of two components is carried out to prefabricated bag, hybrid reaction when material is used at the scene, bonding, expansion and the sealing performance of dependence expanding material excellence realizes the fast sealing of mash gas pumping drilling, guarantees the compactness of the irregular mash gas pumping drilling shutoff of inwall; The two ends of sealing of hole band are provided with cemented joint, guarantee after sealing of hole band has been wound around to avoid moving process to produce displacement.
Shutoff band is the shoestring that soft material is made, the two ends of shutoff band can strong bonded, shutoff band is wrapped in to the two ends of gas exhaust pipe, random trickling after avoiding composite material to expand, obstruction is placed in the drainage holes of mash gas pumping drilling bottom gas exhaust pipe, at gas exhaust pipe, being placed in mash gas pumping drilling oral area winding shutoff band avoids expanding material excessive to aperture, waste sealing of hole composite material, the two ends of shutoff band can strong bonded, avoid gas exhaust pipe to send into shutoff band in mash gas pumping drilling process and be subjected to displacement, guarantee the result of use of shutoff band.
Gas exhaust pipe is placed in one end, mash gas pumping drilling bottom tube wall and is provided with screw thread outward, and described shutoff band is wrapped in screw thread place; This structure facilitates the setting of the drainage holes of gas exhaust pipe, facilitates the winding of shutoff band simultaneously; Shutoff band two ends are provided with buckle, and this structure facilitates the use of shutoff band; Shutoff band is rubber strip, utilizes discarded conveyer belt, cost-saving; Adhesive tape has certain elasticity simultaneously, and more convenient winding guarantees the tight ness rating being wound around.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Below the expressed content of each width accompanying drawing of this manual and the mark in figure are briefly described:
Fig. 1 is the schematic diagram of a kind of mash gas pumping drilling plugging device of the utility model;
Fig. 2 is the schematic diagram of sealing of hole band in a kind of mash gas pumping drilling plugging device of the utility model shown in Fig. 1;
Fig. 3 is the schematic diagram of shutoff band in a kind of mash gas pumping drilling plugging device of the utility model shown in Fig. 1.
In figure, be labeled as: 1, gas exhaust pipe; 2, shutoff band; 3, sealing of hole band; 4, cavity; 5, cemented joint; 6, potted line; 7, buckle.
The specific embodiment
Contrast accompanying drawing below, by the description to embodiment, to the specific embodiment of the present utility model as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and operating principle, manufacturing process and operation using method etc., be described in further detail, with help those skilled in the art to utility model of the present utility model conceive, technical scheme has more complete, accurate and deep understanding.
Fig. 1 is the schematic diagram of a kind of mash gas pumping drilling plugging device of the utility model; Fig. 2 is the schematic diagram of sealing of hole band in a kind of mash gas pumping drilling plugging device of the utility model shown in Fig. 1; Fig. 3 is the schematic diagram of shutoff band in a kind of mash gas pumping drilling plugging device of the utility model shown in Fig. 1; A kind of mash gas pumping drilling plugging device of the utility model as shown in the figure, comprise the gas exhaust pipe 1 that is placed in mash gas pumping drilling, the outer wall of gas exhaust pipe 1 arranges plugging device, this plugging device is to be wrapped in the sealing of hole band 3 that is full of sealing of hole composite material that gathers and be wound around at gas exhaust pipe 1 outer wall between the shutoff band 2 at gas exhaust pipe two ends and shutoff band 2, and after sealing of hole composite material expands, sealing of hole band 3 is random breaks; Sealing of hole band 3 is soft material side seals in conjunction with the pocket of parcel cavity 4, and the middle part of cavity 4 is provided with a sealing lines 6 along pocket and cavity 4 is divided into two lattice of isolation, and different materials is housed in every lattice, and after being wound around, combine closely in the two ends of sealing of hole band 3; The two ends of sealing of hole band 3 are provided with cemented joint 5; The shoestring that shutoff band 2 is made for soft material, the two ends of shutoff band 2 can strong bonded; Gas exhaust pipe 1 is placed in one end, mash gas pumping drilling bottom tube wall and is provided with screw thread outward, and shutoff band 2 is wrapped in screw thread place; Shutoff band 2 two ends are provided with buckle 7; Shutoff band 2 is rubber strip.
A kind of mash gas pumping drilling plugging device of the utility model, comprise the gas exhaust pipe 1 that is placed in mash gas pumping drilling, the outer wall of gas exhaust pipe 1 arranges plugging device, this plugging device is to be wrapped in the sealing of hole band 3 that is full of sealing of hole composite material that gathers and be wound around at gas exhaust pipe 1 outer wall between the shutoff band 2 at gas exhaust pipe two ends and shutoff band 2, after sealing of hole composite material expands, sealing of hole band 3 is random breaks, adopt the technical solution of the utility model, mash gas pumping drilling plugging device is put into mash gas pumping drilling together with gas exhaust pipe 1, after utilizing sealing of hole composite material to expand, the bulbs of pressure realize sealing of hole with pressure, increase sealing effectiveness, guarantee shutoff compactness, improve negative pressure of suction simultaneously, having overcome prior art adopts the mode of grouting to carry out shutoff to mash gas pumping drilling, the irregular defect that is difficult to guarantee shutoff compactness causing of inwall due to mash gas pumping drilling.
Sealing of hole band 3 is that soft material side seals is in conjunction with the pocket of parcel cavity 4, the middle part of cavity 4 is provided with a sealing lines 6 along pocket and cavity 4 is divided into two lattice of isolation, different materials is housed in every lattice, after being wound around, combine closely in the two ends of sealing of hole band 3, the composite expanded material of two components is carried out to prefabricated bag, hybrid reaction when material is used at the scene, bonding, expansion and the sealing performance of dependence expanding material excellence realizes the fast sealing of mash gas pumping drilling, guarantees the compactness of the irregular mash gas pumping drilling shutoff of inwall; The two ends of sealing of hole band 3 are provided with cemented joint 5, guarantee after sealing of hole band 3 has been wound around to avoid moving process to produce displacement.
The shoestring that shutoff band 2 is made for soft material, the two ends of shutoff band 2 can strong bonded, shutoff band 2 is wrapped in to the two ends of gas exhaust pipe, random trickling after avoiding composite material to expand, obstruction is placed in the drainage holes of mash gas pumping drilling bottom gas exhaust pipe 1, at gas exhaust pipe 1, being placed in mash gas pumping drilling oral area winding shutoff band 2 avoids expanding material excessive to aperture, waste sealing of hole composite material, the two ends of shutoff band 2 can strong bonded, avoiding gas exhaust pipe 1 to send into shutoff band 2 in mash gas pumping drilling process is subjected to displacement, guarantee the result of use of shutoff band 2.
Gas exhaust pipe 1 is placed in one end, mash gas pumping drilling bottom tube wall and is provided with screw thread outward, and shutoff band 2 is wrapped in screw thread place; This structure facilitates the setting of the drainage holes of gas exhaust pipe 1, facilitates the winding of shutoff band 2 simultaneously; Shutoff band 2 two ends are provided with buckle 7, and this structure facilitates the use of shutoff band 2; Shutoff band 2 is rubber strip, utilizes discarded conveyer belt, cost-saving; Adhesive tape has certain elasticity simultaneously, and more convenient winding guarantees the tight ness rating being wound around.
Sealing of hole step is as follows: first, mash gas pumping drilling to be sealed is cleaned out, used gas exhaust pipe 1 or airduct that float coal in hole is blown out.
Shutoff band 2 is strapped in to gas exhaust pipe 1 screw thread place, to stop that sealing of hole expanding material flows in gas exhaust pipe 1 by the drainage holes of gas exhaust pipe 1; Then sealing of hole band 3 is strapped on gas exhaust pipe 1 outer wall successively, sealing of hole band 3 is wrapped on gas exhaust pipe 1, two ends by sealing of hole band 3 are provided with cemented joint 5, and sealing of hole band 3 is fixing, until sealing of hole band 3 bondage positions meet the requirement of hole sealing depth, finally at gas exhaust pipe 1, be placed in to adopt and bore mouth position place bondage shutoff band 2, in case sealing of hole expanding material is excessive to aperture; Shutoff band 2 ends are provided with buckle 7, and shutoff band 2 is wrapped in gas exhaust pipe 1, by buckle 7 by 2 fixations of shutoff band.
Gas exhaust pipe 1 is provided with to screw thread one end and first sends into mash gas pumping drilling, send in the process of gas exhaust pipe 1 and firmly rub sealing of hole band 3, make sealing of hole expanding material wherein fully mixed expanded, until gas exhaust pipe 1 is sent into the precalculated position of mash gas pumping drilling, after about 30 minutes, material is completely curing, can directly access drainage system and carry out gas pumping.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving, design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (7)
1. a mash gas pumping drilling plugging device, comprise the gas exhaust pipe that is placed in mash gas pumping drilling, it is characterized in that: the outer wall of described gas exhaust pipe arranges plugging device, this plugging device is to be wrapped in the sealing of hole band that is full of sealing of hole composite material that gathers and be wound around at gas exhaust pipe outer wall between the shutoff band at gas exhaust pipe two ends and shutoff band, and after sealing of hole composite material expands, sealing of hole band is random breaks.
2. according to a kind of mash gas pumping drilling plugging device claimed in claim 1, it is characterized in that: described sealing of hole band is that soft material side seals is in conjunction with the pocket of parcel cavity, the middle part of cavity is provided with a sealing lines along pocket and cavity is divided into two lattice of isolation, different materials is housed in every lattice, and after being wound around, combine closely in the two ends of sealing of hole band.
3. according to a kind of mash gas pumping drilling plugging device claimed in claim 2, it is characterized in that: the two ends of described sealing of hole band are provided with cemented joint.
4. according to a kind of mash gas pumping drilling plugging device claimed in claim 1, it is characterized in that: described shutoff band is the shoestring that soft material is made, and the two ends of shutoff band can strong bonded.
5. according to a kind of mash gas pumping drilling plugging device claimed in claim 1, it is characterized in that: described gas exhaust pipe is placed in one end, mash gas pumping drilling bottom tube wall and is provided with screw thread outward, and described shutoff band is wrapped in screw thread place.
6. according to a kind of mash gas pumping drilling plugging device claimed in claim 4, it is characterized in that: described shutoff band two ends are provided with buckle.
7. according to a kind of mash gas pumping drilling plugging device described in claim 1 or 4 or 5, it is characterized in that: described shutoff band is rubber strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366524.8U CN203978370U (en) | 2014-07-03 | 2014-07-03 | A kind of mash gas pumping drilling plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420366524.8U CN203978370U (en) | 2014-07-03 | 2014-07-03 | A kind of mash gas pumping drilling plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978370U true CN203978370U (en) | 2014-12-03 |
Family
ID=51975829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420366524.8U Expired - Fee Related CN203978370U (en) | 2014-07-03 | 2014-07-03 | A kind of mash gas pumping drilling plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978370U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930725A (en) * | 2017-05-02 | 2017-07-07 | 贵州盘江精煤股份有限公司 | A kind of coal mine gas extraction drill hole ring-type hole sealing device |
| CN108150127A (en) * | 2018-02-13 | 2018-06-12 | 安徽佳泰矿业科技有限公司 | Mine gas extraction drilling and sealing device and method for sealing |
| CN109025896A (en) * | 2018-08-30 | 2018-12-18 | 重庆川九建设有限责任公司 | A kind of dolomite spy water hole method for blocking |
-
2014
- 2014-07-03 CN CN201420366524.8U patent/CN203978370U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930725A (en) * | 2017-05-02 | 2017-07-07 | 贵州盘江精煤股份有限公司 | A kind of coal mine gas extraction drill hole ring-type hole sealing device |
| CN108150127A (en) * | 2018-02-13 | 2018-06-12 | 安徽佳泰矿业科技有限公司 | Mine gas extraction drilling and sealing device and method for sealing |
| CN108150127B (en) * | 2018-02-13 | 2024-03-19 | 安徽佳泰矿业科技有限公司 | Hole sealing device and hole sealing method for mine gas extraction drilling |
| CN109025896A (en) * | 2018-08-30 | 2018-12-18 | 重庆川九建设有限责任公司 | A kind of dolomite spy water hole method for blocking |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20200703 |