CN203717022U - Mobile gas extraction device for goaf - Google Patents
Mobile gas extraction device for goaf Download PDFInfo
- Publication number
- CN203717022U CN203717022U CN201420026711.1U CN201420026711U CN203717022U CN 203717022 U CN203717022 U CN 203717022U CN 201420026711 U CN201420026711 U CN 201420026711U CN 203717022 U CN203717022 U CN 203717022U
- Authority
- CN
- China
- Prior art keywords
- goaf
- extraction
- gas
- winch
- drainage tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 45
- 238000005086 pumping Methods 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 230000005012 migration Effects 0.000 claims 1
- 238000013508 migration Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model provides a mobile gas extraction device for a goaf. The device is foremd by combination and connection of a gas extraction pipe formed by an extraction tube (1), a tripod (2), anchor rods (3) and an orifice plate flowmeter (4) and an extraction pipe traction unit formed by a traction ring (5), a chain (6), a turning wheel set (7) and a winch (8). During the operation, the winch (8) drags the chain (6) to drive the extraction tube (1) to move towards the goaf upper corner position intermittently to reach an extraction position, the extraction device is started, and upper corner high-concentration gas of the goaf is discharged out of the goaf through the extraction tube (1). The winch drives the extraction tube (1) to move forwards along with the frontward moving of the exploitation working face, and tripods (2) with retaining plates are fixed on the wall, so that continuous extraction of the upper corner gas of the goaf is achieved.
Description
Technical field
The utility model relates to mine worked-out section gas pumping and administers technical field, relates in particular to the portable gas pumping device in a kind of goaf.
background technology
Because colliery longwall top coal caving intensity is large, the something lost coal that remains in goaf is a lot, and the gas amount that goaf gushes out is increased, and causes the gas of upper corner and tailentry often to transfinite, Gas Disaster accident odds increases greatly, the safety in production of serious threat mine.Therefore, particularly important to the improvement of goaf and upper corner gas.
Conventional goaf gas extraction way is pipe laying extraction at present, concrete mode is to bury extraction pipeline underground one time along goaf at work plane return air district sublevel entry, when imbedding (the alternately step pitch of extraction mouth is determined by investigation) after the certain depth of goaf, access extraction system is carried out extraction, imbed again second time extraction pipeline, so circulate until working face mining completes simultaneously.But along with the advance of the face, first time pipeline gos deep into goaf gradually, upper corner gas control effect variation gradually, until just can reach the inhibition of good upper corner gas density after second time pipeline comes into operation, total effect poor (extracting result has discontinuity) for some time during this, and pipe laying extraction input is larger, need to drop into a large amount of extraction pipelines, has wasted a large amount of manpower and materials.Based on this, research and develop the portable extraction piping installation that a reusable edible and moment remain on best extraction point extremely important.
Summary of the invention
The purpose of this utility model is to provide a kind of goaf portable gas pumping device, solves existing pipe laying extraction technology and exists the discontinuous and extraction pipeline of extraction point to be retained in goaf to cause the problem that can not reuse.
For overcoming the above problems, the utility model is achieved through the following technical solutions:
The portable gas pumping device in described a kind of goaf, comprises the methane gas extraction pipeline being made up of drainage tube, tripod, anchor pole and orifice flowmeter and is connected the extraction pipeline draw-gear being made up of tow lug, chain cable, break-in wheels and winch forming.
Described methane gas extraction pipeline, drainage tube is placed on tripod separated by a distance, and tripod is fixed on wall by anchor pole.
Described extraction pipeline draw-gear, tow lug is fixedly installed in extraction pipeline front end, and is connected with winch through chain cable, between chain cable and winch, changes winch power thrusts by fixing break-in wheels, ensures that extraction pipeline is parallel with wall, and convenient mobile.
Described drainage tube, by movement, maintains fixed range all the time with coal-face.
Described tripod, with baffle plate, prevents drainage tube landing, the increase of tripod quantity, and situation about moving according to drainage tube road direction coal-face determines.
The beneficial effects of the utility model are as follows:
The portable gas pumping device in a kind of goaf that the utility model provides, can make drainage device extraction point rest on all the time upper corner position, goaf, better extraction goaf upper corner high concentration gas, and the extraction point of this device is spatially continuous, mobility is strong, simple to operate, the extraction pipeline that has solved pipe laying extraction is retained in goaf and causes the difficult problem that can not reuse.
Brief description of the drawings
Fig. 1 is the top view of the portable gas pumping device in a kind of goaf of the utility model;
Fig. 2 is the extraction fixing device for pipe schematic diagram of the portable gas pumping device in a kind of goaf of the utility model.
In figure, be labeled as: 1: drainage tube; 2: tripod; 3: anchor pole; 4: orifice flowmeter; 5: tow lug; 6: chain cable; 7: break-in wheels; 8: winch.
Detailed description of the invention
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
The portable gas pumping device in described a kind of goaf, as shown in Figure 1, comprise the methane gas extraction pipeline being formed by drainage tube 1, tripod 2, anchor pole 3 and orifice flowmeter 4 and be connected the extraction pipeline draw-gear being formed by tow lug 5, chain cable 6, break-in wheels 7 and winch 8 and form; Drainage tube 1 is placed on separated by a distance and baffled tripod 2, and tripod 2 is fixed on wall by anchor pole 3; The tow lug 5 of extraction pipeline draw-gear is fixedly installed in drainage tube 1 front end, and is connected with winch 8 through chain cable 6, between chain cable 6 and winch 8, changes winch power thrusts by fixing break-in wheels 7; When work, winch 8 draws chain cable 6 and drives that drainage tube 1 is intermittent to be moved to upper corner position, goaf, arrives extraction point, starts drainage device, and goaf upper corner high concentration gas is arranged from goaf by drainage tube 1, and orifice flowmeter 4 is realized gas flow monitoring; Along with the reach of exploitation work plane, winch drives drainage tube reach, increases baffled tripod is installed simultaneously on wall, realizes the continuous extraction of goaf upper corner gas.
Claims (3)
1. the portable gas pumping device in goaf, comprise the methane gas extraction pipeline being formed by drainage tube (1), tripod (2), anchor pole (3) and orifice flowmeter (4) and the extraction pipeline draw-gear being formed by tow lug (5), chain cable (6), break-in wheels (7) and winch (8), it is characterized in that: drainage tube (1) moves to coal-face by draw-gear.
2. the portable gas pumping device in a kind of goaf as claimed in claim 1, it is characterized in that: drainage tube (1) is placed on separated by a distance and baffled tripod (2), the increase of tripod (2) quantity, situation about moving to coal-face according to drainage tube (1) determines.
3. the portable gas pumping device in a kind of goaf as claimed in claim 1 or 2, is characterized in that: extraction pipeline draw-gear ensures that drainage tube (1) is parallel with wall, and convenient migration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026711.1U CN203717022U (en) | 2014-01-16 | 2014-01-16 | Mobile gas extraction device for goaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026711.1U CN203717022U (en) | 2014-01-16 | 2014-01-16 | Mobile gas extraction device for goaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717022U true CN203717022U (en) | 2014-07-16 |
Family
ID=51156186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420026711.1U Expired - Fee Related CN203717022U (en) | 2014-01-16 | 2014-01-16 | Mobile gas extraction device for goaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717022U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329114A (en) * | 2014-09-16 | 2015-02-04 | 太原理工大学 | Underground drilling intermittent gas extraction method |
| CN106979030A (en) * | 2017-04-07 | 2017-07-25 | 煤科集团沈阳研究院有限公司 | A kind of variable load extraction pipeline and pumping method based on catalyzing denaturing principle |
| CN112682089A (en) * | 2020-12-28 | 2021-04-20 | 北京天地华泰矿业管理股份有限公司 | Telescopic gas pipeline device of taking out |
-
2014
- 2014-01-16 CN CN201420026711.1U patent/CN203717022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329114A (en) * | 2014-09-16 | 2015-02-04 | 太原理工大学 | Underground drilling intermittent gas extraction method |
| CN106979030A (en) * | 2017-04-07 | 2017-07-25 | 煤科集团沈阳研究院有限公司 | A kind of variable load extraction pipeline and pumping method based on catalyzing denaturing principle |
| CN112682089A (en) * | 2020-12-28 | 2021-04-20 | 北京天地华泰矿业管理股份有限公司 | Telescopic gas pipeline device of taking out |
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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: 20140716 Termination date: 20180116 |