CN206722799U - A kind of reusable bag type paste gas drainage hole sealing device - Google Patents
A kind of reusable bag type paste gas drainage hole sealing device Download PDFInfo
- Publication number
- CN206722799U CN206722799U CN201720499216.6U CN201720499216U CN206722799U CN 206722799 U CN206722799 U CN 206722799U CN 201720499216 U CN201720499216 U CN 201720499216U CN 206722799 U CN206722799 U CN 206722799U
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- pouch
- expansion
- sealing device
- expansion pouch
- pipe
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Abstract
A kind of reusable bag type paste gas drainage hole sealing device is the utility model is related to, is made up of following part：Expand the end of pouch I and be provided with cone rubber back-up ring, cone rubber back-up ring end is provided with screen casing, and expansion pouch I is connected with expansion pouch II by communicating pipe, and the diameter after expansion pouch I and expansion II complete bulging of pouch is more than the diameter of coal bed drilling；Gas pumping pipe is connected through expansion pouch II with expansion pouch I, Dilated rubber hose is provided between expansion pouch I and expansion pouch II, water injection pipe I directly connects with expansion pouch II, and water injection pipe II directly connects with Dilated rubber hose, and the diameter after the complete bulging of Dilated rubber hose is more than the diameter of coal bed drilling.Three sections of sealing of hole parts of the utility model drilling are blocked by the way of water filling, realize effective sealing of coal bed drilling, and hole sealing device is reused, and reduces sealing of hole cost.The utility model has the characteristics of easy to operate, simple in construction, good sealing effect, remarkable in economical benefits.
Description
Technical field
Coal bed gas extraction technical field is the utility model is related to, particularly a kind of reusable bag type paste gas is taken out
Adopt hole sealing device.
Background technology
China is both the country that coal production is maximum in the world, is the country that coal mine gas disaster is most frequent in the world again,
And drilling gas extraction is to administer the effective way of Gas Disaster.Therefore the sealing quality to be drilled during gas pumping is for carrying
High methane extracting result and solve the problems, such as that Gas Disaster has important practical significance.
The current hole sealing technology used both at home and abroad is broadly divided into three major types, i.e. non-band pressure hole sealing technology, " a two stifled notes " band
Press hole sealing technology and secondary hole sealing technology.Non-band press seal hole operation process is simple, and sealing of hole speed is fast, can be quick within a short period of time
Sealing of hole work is completed, but sealing of hole distance is shorter, sealing quality is poor, and gas extraction concentration is relatively low, and later stage gas density decays
Speed is larger；" two stifled a note " hole sealing technology complex process with pressure, it is high to operating personnel's technical requirements, during sealing of hole there is
The uncontrollability of sealing quality；Secondary hole sealing technical operating procedure is cumbersome, longer the time required to sealing of hole, and sealing of hole cost is high.In addition,
Above-mentioned hole sealing device is disposable, it is necessary to consume substantial amounts of material, is unfavorable for cost declining and increases benefit.Therefore, if
Sealing quality can be ensured under the conditions of efficient by counting a kind of hole sealing device, and and can enough reuses reduction production cost and seemed
It is very urgent.
The content of the invention
The purpose of this utility model is solve above shortcomings in the prior art, there is provided one kind is applied to coal seam watt
A kind of reusable bag type paste gas drainage hole sealing device of this extraction.
The utility model adopts the following technical scheme that：A kind of reusable bag type paste gas drainage hole sealing device, bag
Include screen casing (1), cone rubber back-up ring (2), expansion pouch I (3), Dilated rubber hose (4), communicating pipe (5), gas pumping pipe (6), swollen
Swollen pouch II (7), water injection pipe I (10) and water injection pipe II (13), expansion pouch I (3) end are provided with cone rubber back-up ring (2), bored
Shape rubber back-up ring (2) end is provided with screen casing (1), and expansion pouch I (3) is connected with expansion pouch II (7) by communicating pipe (5),
Expand the diameter that the diameter after pouch I (3) and expansion pouch II (7) bulging completely is more than coal bed drilling；Gas pumping pipe (6) is worn
Cross expansion pouch II (7) to be connected with expansion pouch I (3), Dilated rubber hose is provided between expansion pouch I (3) and expansion pouch II (7)
(4), water injection pipe I (10) directly connects with expansion pouch II (7), and water injection pipe II (13) directly connects with Dilated rubber hose (4), expansion
Diameter after sebific duct (4) bulging completely is more than the diameter of coal bed drilling.
Screen casing (1) is provided with several suction holes.
Water injection pipe I (10) is provided with pressure gauge I (8) and valve I (9).
Water injection pipe II (13) is provided with pressure gauge II (11) and valve II (12).
The beneficial effects of the utility model are：A kind of reusable bag type paste gas drainage hole sealing device front end is sieve
Pipe, the coal cinder in drilling can be avoided to enter extraction pipeline is blocked in drainage tube；Front portion is provided with cone rubber back-up ring to facilitate envelope
Aperture apparatus enters drilling；Three sections of sealing of hole parts of drilling are blocked by the way of water filling, and the pressure of water filling can base area
Matter condition determines, expansion pouch and Dilated rubber hose can be made to be brought into close contact with borehole wall, realizes effective sealing of coal bed drilling；
Valve is provided with water injection pipe, hole sealing device can be reused, reduces sealing of hole cost.With it is easy to operate, simple in construction,
The characteristics of good sealing effect, remarkable in economical benefits.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawings and with reference to example：
Referring to Fig. 1, a kind of reusable bag type paste gas drainage hole sealing device, by screen casing 1, cone rubber back-up ring 2,
Expand pouch I 3, Dilated rubber hose 4, communicating pipe 5, gas pumping pipe 6, expansion pouch II 7, pressure gauge I 8, valve I 9, water injection pipe I
10th, pressure gauge II 11, valve II 12 and water injection pipe II 13 are formed；Expansion pouch I 3 end is provided with cone rubber back-up ring 2, taper rubber
The end of glue back-up ring 2 is provided with screen casing 1, and several a diameter of 10mm suction hole is provided with screen casing 1；Expand pouch I 3 and swelling bag
Bag II 7 is connected by communicating pipe 5, and the diameter after expansion pouch I 3 and expansion II 7 complete bulging of pouch is more than coal bed drilling
Diameter；Gas pumping pipe 6 is connected through expansion pouch II 7 with expansion pouch I 3, is expanded and is set between pouch I 3 and expansion pouch II 7
There is Dilated rubber hose 4, water injection pipe I 10 directly connects with expansion pouch II 7；Water injection pipe II 13 directly connects with Dilated rubber hose 4, expansion
Diameter after 4 complete bulging of sebific duct is more than the diameter of coal bed drilling；Pressure gauge I 8 and valve I 9 are installed on water injection pipe I 10；Note
Pressure gauge II 11 and valve II 12 are installed on water pipe II 13.
In specific implementation, extraction pipeline is blocked in drainage tube in order to avoid the coal cinder in drilling enters, in hole sealing device
Front end sets screen casing 1, and several suction holes are disposed with screen casing 1；It is provided with for the ease of hole sealing device into drilling in front portion
Cone rubber back-up ring 2；In order to which the water filling situation to drilling and sealing of hole pressure are monitored, pressure gauge I is installed on water injection pipe I 10
8 and valve I 9, pressure gauge II 11 and valve II 12 are installed on water injection pipe II 13.
During drilling and sealing, gas drainage hole sealing device is sent into coal bed drilling first, then passes through water injection pipe I 10
Water filling is carried out to expansion pouch II 7, the water in pouch II 7 is expanded by flowing into communicating pipe 5 in expansion pouch I 3, treats water injection pipe I
The closure that valve I 9 completes drilling both ends can be closed when the pressure of pressure gauge I 8 reaches predetermined pressure on 10；Pass through water injection pipe again
II 13 carry out water filling into Dilated rubber hose 4, can be closed when the pressure of pressure gauge II 11 on water injection pipe II 13 reaches predetermined pressure
Valve closing door II 12 can be by drilling closure completely；Gas pumping is carried out finally by gas pumping pipe 6, during extraction, can be passed through
Pressure changing on pressure gauge I 8 and pressure gauge II 11 is monitored to sealing of hole situation；After extraction terminates, valve I 9 is opened
With valve II 12, the water drained in expansion pouch I 3, expansion pouch II 7 and Dilated rubber hose 4 can be by gas drainage hole sealing device
Take out and reused out of coal bed drilling.
Although the present invention is described in detail above, the invention is not restricted to this, those skilled in the art of the present technique
Various modifications can be carried out according to the principle of the present invention.Therefore, all modifications made according to the principle of the invention, all should be understood to
Fall into protection scope of the present invention.
Claims (4)
1. a kind of reusable bag type paste gas drainage hole sealing device, including screen casing (1), cone rubber back-up ring (2), expansion
Pouch I (3), Dilated rubber hose (4), communicating pipe (5), gas pumping pipe (6), expansion pouch II (7), water injection pipe I (10) and water filling
Pipe II (13), it is characterized in that：Expansion pouch I (3) end is provided with cone rubber back-up ring (2), and cone rubber back-up ring (2) end is provided with
Screen casing (1), expansion pouch I (3) and expansion pouch II (7) are connected by communicating pipe (5), expansion pouch I (3) and expansion pouch
Diameter after the bulging completely of II (7) is more than the diameter of coal bed drilling；Gas pumping pipe (6) is through expansion pouch II (7) with expanding
Pouch I (3) is connected, and Dilated rubber hose (4), water injection pipe I (10) and expansion are provided between expansion pouch I (3) and expansion pouch II (7)
Pouch II (7) directly connects, and water injection pipe II (13) directly connects with Dilated rubber hose (4), straight after Dilated rubber hose (4) bulging completely
Footpath is more than the diameter of coal bed drilling.
2. a kind of reusable bag type paste gas drainage hole sealing device according to claim 1, it is characterized in that：Screen casing
(1) several suction holes are provided with.
3. a kind of reusable bag type paste gas drainage hole sealing device according to claim 1, it is characterized in that：Water filling
Pipe I (10) is provided with pressure gauge I (8) and valve I (9).
4. a kind of reusable bag type paste gas drainage hole sealing device according to claim 1, it is characterized in that：Water filling
Pipe II (13) is provided with pressure gauge II (11) and valve II (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499216.6U CN206722799U (en) | 2017-05-05 | 2017-05-05 | A kind of reusable bag type paste gas drainage hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499216.6U CN206722799U (en) | 2017-05-05 | 2017-05-05 | A kind of reusable bag type paste gas drainage hole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206722799U true CN206722799U (en) | 2017-12-08 |
Family
ID=60508856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720499216.6U Expired - Fee Related CN206722799U (en) | 2017-05-05 | 2017-05-05 | A kind of reusable bag type paste gas drainage hole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206722799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685733A (en) * | 2019-10-10 | 2020-01-14 | 山东科技大学 | Pressurized hole sealing device for acid disturbance for coal mine and use method |
| CN113236342A (en) * | 2021-06-02 | 2021-08-10 | 山东科技大学 | Gas extraction device and method capable of repeatedly and circularly utilizing multi-angle bag |
-
2017
- 2017-05-05 CN CN201720499216.6U patent/CN206722799U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685733A (en) * | 2019-10-10 | 2020-01-14 | 山东科技大学 | Pressurized hole sealing device for acid disturbance for coal mine and use method |
| CN113236342A (en) * | 2021-06-02 | 2021-08-10 | 山东科技大学 | Gas extraction device and method capable of repeatedly and circularly utilizing multi-angle bag |
| CN113236342B (en) * | 2021-06-02 | 2022-08-09 | 山东科技大学 | Gas extraction device and method capable of repeatedly and circularly utilizing multi-angle bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20180505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |