CN205591961U - Newly -built high blow mine in mountain area is worn layer and is taken out in advance and speedy drivage system - Google Patents
Newly -built high blow mine in mountain area is worn layer and is taken out in advance and speedy drivage system Download PDFInfo
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- CN205591961U CN205591961U CN201620281438.6U CN201620281438U CN205591961U CN 205591961 U CN205591961 U CN 205591961U CN 201620281438 U CN201620281438 U CN 201620281438U CN 205591961 U CN205591961 U CN 205591961U
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Abstract
The utility model relates to a newly -built high blow mine in mountain area is worn layer and is taken out in advance and speedy drivage system, this system are mainly dug tunnel, high -pressure water conservancy slot in advance, are worn the layer by the coal seam and take out drilling in advance, take out drilling yard, bottom plate gas drainage crossdrift, bottom plate central drainage lane, bottom plate gas drainage lane in advance and form, characterized by: arrange bottom plate gas drainage crossdrift, bottom plate central drainage lane, bottom plate gas drainage lane, the end at the coal seam group bottom plate and take out the connection roadway, help to arrange gas drainage drilling yard in bottom plate gas drainage crossdrift and bottom plate gas drainage lane two, arrange a layer gas drainage drilling in drilling yard, it is anti -reflection through the release of high -pressure spray slot to annotate filling material to pressing in the drilling slot. Its advantage: it is anti -reflection that this system passes through coal seam slot release, improves coal seam group gas drainage and rate, reduces the gas discharge volume of digging the tunnel in advance in the coal seam, and the while pressure is annotated filling material and is favorable to the maintenance in the coal road tunneling process to realize quick safe mesh of digging the lane.
Description
Technical field
This utility model relates to a kind of heading Quick Driving Technology field, the specifically newly-built high gas and outburst mine in a kind of mountain area
Wear layer to take out in advance and speedy drivage system.
Background technology
Coal and gas prominent is a kind of special dynamic phenomenon of underground coal mine, is one of bigger disaster of colliery harm, for a long time,
The gas explosion of China's coal-mine enterprise, coal and gas prominent disaster accident occur again and again, to coal mining enterprise and the lives and properties of worker
Cause massive losses.According to statistics, China's State owned coal mine high methane and projecting mine proportion are 45.97%, due to watt
The number of this death by accident accounts for the 32.03% of total death toll, and wherein coal and gas prominent accident accounts for more than 60% and occurs heading driver
Make face.Along with the transformation of China's Economic Development Mode, China's coal-mine industry realizes safe and efficient extremely urgent, safe and efficient realization
One of important means be exactly that face propulsion speed is fast, it is necessary to tunnel speedy drivage for ensureing.But, highlight at high methane
Carrying out tunnelling in coal seam, gas emission is big, and coal and gas prominent is dangerous big, has had a strong impact on mine and has realized high yield height
The paces of effect.The problems such as slow for mountain area newly-built high gas and outburst mine heading driving speed in outburst hazard is big, it is impossible to
During exploitation protective layer, it is little to there is single hole gas pumping effective range in conventional gas pumping method, and extraction rate is low, it is impossible to efficient solution
The harm that certainly in heading tunneling process, gas pours out, to this end, should from the discussion high methane coal of many aspects system with watt
The problem of this projecting mine heading speedy drivage.
Utility model content
Technical problem: the newly-built high gas and outburst mine in a kind of mountain area of offer is worn layer and taken out in advance and speedy drivage system by this utility model,
This system is anti-reflection by coal seam cutting release, improves coal seam group gas pumping rate, reduces the gas emission in pre-tunnel laneway road, coal seam,
Maintenance during pressure injection filler is conducive to coal roadway tunneling simultaneously, thus it is quick to realize newly-built high gas and outburst mine coal seam group
Safety digs the purpose in lane.
Technical scheme: the purpose of this utility model is achieved through the following technical solutions:
1, the newly-built high gas and outburst mine in a kind of mountain area is worn layer and is taken out in advance and speedy drivage system, it is characterised in that have the following steps: main
Will by coal seam group (1), pre-tunnel laneway road, coal seam (2), high-pressure hydraulic slot (3), wear layer Gas pre-drainage boring (4), take out watt in advance
Connection is taken out at this drill site (5), base plate gas pumping crossdrift (6), base plate central drainage lane (7), base plate gas pumping lane (8), the end
Network lane (9), floor rail main haulage roadway (10), connection roadway (11), base plate adhesive tape main haulage roadway (12), return air connection roadway (13),
Total big lane of return air (14) composition.
2, described high methane projecting coal bed group (1) backplane base plate gas pumping crossdrift (6), base plate central drainage lane
(7), connection roadway (9), floor rail main haulage roadway (10), connection roadway (11), the end, taken out in base plate gas pumping lane (8), the end
The big lane of plate Belt transport (12), return air connection roadway (13), the big lane of total return air (14)；At base plate gas pumping crossdrift (6) and
Base plate gas pumping lane (8) two is helped to arrange gas pumping gas treatment technique (5), arranges that wearing layer gas pumping bores in drill site (5)
Hole (4), anti-reflection by high-pressure spray slot (3) release, and pressure injection filler in boring slot (3).
3, described base plate gas pumping lane (8) slope section inclination angle a is 6 °～10 °, and the end takes out connection roadway slope section angle of inclination beta and is
18 °～22 °；Roadway's sides Gas pre-drainage drill site (5) spacing is 8～20m；Each drill site (5) is arranged and is worn a layer pre-draining borehole (4)
It it is 6～8.
Beneficial effect: owing to have employed such scheme, this utility model advantage compared with conventional art is as follows:
This utility model relates to a kind of tunnel speedy drivage systems technology field, the specifically newly-built high gas and outburst mine in a kind of mountain area
Wear layer to take out in advance and speedy drivage system.Slow and the outburst hazard for mountain area newly-built high gas and outburst mine heading driving speed
The problem such as big, it is impossible to during exploitation protective layer, it is little that traditional gas pumping method exists single hole gas pumping effective range, extraction rate
Low, it is impossible to effectively to solve the harm that in heading tunneling process, gas pours out.This system is by wearing a layer pre-draining borehole, coal
Layer slot release is anti-reflection, improves coal seam group gas pumping rate, reduces the gas emission in pre-tunnel laneway road, coal seam, pressure injection filling simultaneously
Material is conducive to the maintenance during coal roadway tunneling, thus realizes high gas and outburst mine coal seam group and fast and safely dig the purpose in lane.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A generalized section of this utility model Fig. 1.
Marginal data: 1, coal seam group；2, coal seam pre-tunnel laneway road；3, high-pressure hydraulic slot；4, a layer Gas pre-drainage boring is worn；5、
Gas pre-drainage drill site；6, base plate gas pumping crossdrift；7, base plate central drainage lane；8, base plate gas pumping lane；9, the end, takes out
Connection roadway；10, floor rail main haulage roadway；11, connection roadway；12, base plate adhesive tape main haulage roadway；13, return air connection roadway；
14, the big lane of total return air；A, slope section inclination angle, base plate gas pumping lane；Connection roadway slope section inclination angle is taken out at β, the end.
Detailed description of the invention
By further illustrating the technological means and effect that this utility model taked by reaching predetermined goal of the invention, below in conjunction with attached
Figure and preferably implement example, takes out and quickly in advance to wearing layer according to the newly-built high gas and outburst mine in a kind of mountain area that the utility model proposes
Its detailed description of the invention of driving system and effect thereof are described as follows:
1, refer to shown in Fig. 1, Fig. 2, structure described in the utility model main by coal seam group (1), pre-tunnel laneway road, coal seam (2),
High-pressure hydraulic slot (3), wear layer Gas pre-drainage boring (4), a Gas pre-drainage drill site (5), base plate gas pumping crossdrift (6),
Connection roadway (9), floor rail main haulage roadway (10), connection are taken out in base plate central drainage lane (7), base plate gas pumping lane (8), the end
Network lane (11), base plate adhesive tape main haulage roadway (12), return air connection roadway (13), the big lane of total return air (14) composition.
2, refer to shown in Fig. 1, Fig. 2, described high methane projecting coal bed group (1) backplane base plate gas pumping stone
Connection roadway (9), floor rail main haulage roadway are taken out in door (6), base plate central drainage lane (7), base plate gas pumping lane (8), the end
(10), connection roadway (11), base plate adhesive tape main haulage roadway (12), return air connection roadway (13), the big lane of total return air (14)；The end of at
Plate gas pumping crossdrift (6) and base plate gas pumping lane (8) two are helped to arrange gas pumping gas treatment technique (5), in drill site (5)
Interior layout wears a layer mash gas pumping drilling (4), anti-reflection by high-pressure spray slot (3) release, and intrinsic pressure to boring slot (3)
Note filler.
3, referring to shown in Fig. 1, Fig. 2, described base plate gas pumping lane (8) slope section inclination angle a is 6 °～10 °, and the end takes out
Connection roadway slope section angle of inclination beta is 18 °～22 °；Roadway's sides Gas pre-drainage drill site (5) spacing is 8～20m；Each drill site (5)
It is 6～8 that layout wears a layer pre-draining borehole (4).
During use, first compose deposit according to the actual geologic information of mine, coal-bed gas parameter, coal and gas prominent qualification, coal seam group
Situation hydrological geological conditions, determines base plate gas pumping crossdrift (6), the size of base plate gas pumping lane (8) interior drill site (5)
With boring number, and layer-through drilling (4) length, whole pitch of holes, and carry out in advance construction pre-treatment water damage, crack, tomography,
The prediction scheme technical measures of the risk factors such as Gas Outburst.Layer pre-draining borehole (4) 30～40m is worn when digging heading (2) positional distance in advance
During position, should stop taking out in advance.Construct complete wear a layer pre-draining borehole (4) after, by water under high pressure to coal seam cutting (3), and pass through
Pressure injection stock pump is to boring slot (3) pressure injection filler, it is achieved coal seam pressure relief, raising coal strength, when tunneling heading,
A large amount of heading gas emissions that reduce, and the maintenance of favourable heading.
Claims (2)
1. the newly-built high gas and outburst mine in mountain area is worn layer and is taken out in advance and speedy drivage system, it is characterized in that: main by coal seam group (1), pre-tunnel laneway road, coal seam (2), high-pressure hydraulic slot (3), wear layer Gas pre-drainage boring (4), Gas pre-drainage drill site (5), base plate gas pumping crossdrift (6), base plate central drainage lane (7), base plate gas pumping lane (8), connection roadway (9) is taken out at the end, floor rail main haulage roadway (10), connection roadway (11), base plate adhesive tape main haulage roadway (12), return air connection roadway (13), total big lane of return air (14) composition；It is characterized in that: connection roadway (9), floor rail main haulage roadway (10), connection roadway (11), base plate adhesive tape main haulage roadway (12), return air connection roadway (13), the big lane of total return air (14) are taken out in described high methane projecting coal bed group (1) backplane base plate gas pumping crossdrift (6), base plate central drainage lane (7), base plate gas pumping lane (8), the end；Help to arrange gas pumping gas treatment technique (5) at base plate gas pumping crossdrift (6) and base plate gas pumping lane (8) two, arrange in drill site (5) and wear a layer mash gas pumping drilling (4), anti-reflection by high-pressure spray slot (3) release, and pressure injection filler in boring slot (3).
The newly-built high gas and outburst mine in a kind of mountain area the most according to claim 1 is worn layer and is taken out in advance and speedy drivage system, it is further characterized in that: described base plate gas pumping lane (8) slope section inclination angle a is 6 °～10 °, and it is 18 °～22 ° that connection roadway slope section angle of inclination beta is taken out at the end；Roadway's sides Gas pre-drainage drill site (5) spacing is 8～20m；Each drill site (5) arranges that wearing a layer pre-draining borehole (4) is 6～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281438.6U CN205591961U (en) | 2016-03-30 | 2016-03-30 | Newly -built high blow mine in mountain area is worn layer and is taken out in advance and speedy drivage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620281438.6U CN205591961U (en) | 2016-03-30 | 2016-03-30 | Newly -built high blow mine in mountain area is worn layer and is taken out in advance and speedy drivage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591961U true CN205591961U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620281438.6U Expired - Fee Related CN205591961U (en) | 2016-03-30 | 2016-03-30 | Newly -built high blow mine in mountain area is worn layer and is taken out in advance and speedy drivage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205591961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812551A (en) * | 2016-03-30 | 2017-06-09 | 六盘水师范学院 | A kind of newly-built high gas and outburst mine in mountain area is worn layer and is taken out and speedy drivage system in advance |
| CN113006867A (en) * | 2021-04-27 | 2021-06-22 | 中国矿业大学 | Combined prevention and control method for multiple disasters before coal mining on high-gas low-lying island working face |
-
2016
- 2016-03-30 CN CN201620281438.6U patent/CN205591961U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812551A (en) * | 2016-03-30 | 2017-06-09 | 六盘水师范学院 | A kind of newly-built high gas and outburst mine in mountain area is worn layer and is taken out and speedy drivage system in advance |
| CN113006867A (en) * | 2021-04-27 | 2021-06-22 | 中国矿业大学 | Combined prevention and control method for multiple disasters before coal mining on high-gas low-lying island working face |
| CN113006867B (en) * | 2021-04-27 | 2021-12-21 | 中国矿业大学 | Combined prevention and control method for multiple disasters before coal mining on high-gas low-lying island working face |
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| 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: 20160921 Termination date: 20170330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |