CN106567728A - High gas coal seam group base plate drainage and gas extraction system - Google Patents
High gas coal seam group base plate drainage and gas extraction system Download PDFInfo
- Publication number
- CN106567728A CN106567728A CN201510686059.5A CN201510686059A CN106567728A CN 106567728 A CN106567728 A CN 106567728A CN 201510686059 A CN201510686059 A CN 201510686059A CN 106567728 A CN106567728 A CN 106567728A
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- Prior art keywords
- base plate
- gas
- lane
- gas extraction
- gas pumping
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- 239000003245 coal Substances 0.000 title claims abstract description 38
- 238000000605 extraction Methods 0.000 title claims abstract description 38
- 238000005086 pumping Methods 0.000 claims description 48
- 239000004575 stone Substances 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract 6
- 230000002265 prevention Effects 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000006424 Flood reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention relates to a high gas coal seam group base plate drainage and gas extraction system. The high gas coal seam group base plate drainage and gas extraction system is mainly suitable for the technical field of high gas outburst coal seam group mining and mainly composed of a main belt haulage roadway, a main rail haulage roadway, a main air return roadway, a connection roadway, base plate gas extraction roadways, a base plate centralized drainage roadway, base plate gas extraction rock cross-cuts, gas extraction chambers, inverse anti-explosion air doors, switching fields and forks. The high gas coal seam group base plate drainage and gas extraction system is characterized in that the base plate centralized drainage roadway is arranged in the middle of a coal seam group base plate; the gas extraction rock cross-cuts and the gas extraction roadways are arranged on the two sides of the drainage roadway; the gas extraction chambers are arranged on the two sides in the gas extraction rock cross-cuts and the gas extraction roadways; the gas extraction rock cross-cuts are connected with the gas extraction roadways through the forks; the gas extraction roadways are connected with the main air return roadway and connected with the main rail haulage roadway through base plate gas extraction connection roadways; and each gas extraction rock cross-cut fork and the interior of each base plate gas extraction connection roadway are each provided with two inverse anti-explosion air doors. The high gas coal seam group base plate drainage and gas extraction system has the advantages that by adoption of the system, downhole drainage, coal seam gas pre-extraction and rock cross-cut coal uncovering outburst prevention are achieved, and the safety of an extraction working face below is ensured; and the high gas coal seam group base plate drainage and gas extraction system has the characteristics of being simple in roadway system, strong in adaptability, high in safe reliability and the like.
Description
Technical field
Patent of the present invention is related to a kind of high gas layer group base plate draining, the gas drainage system in the projecting coal bed group's production technique field of high methane.
Background technology
Colliery major casualty has the big class of gas, coal-dust explosion, gas and coal outbursts, fire, floods, roof collapse etc. six, and generally the generation dead group of group large-scale within coal mines hinders accident and comes from this six big class.Wherein gas, coal and gas prominent accident are distinctive in coal mining, are a kind of security incidents for causing the dead group of group to hinder most serious in accident in coal mining enterprise.China's coal-mine is gaseous mine, and high methane and coal and gas outburst mine proportion are high.According to incompletely statistics, national high methane and coal and gas outburst mine more than 4500 are located, and in former State owned coal mine, high methane and coal and gas outburst mine account for 49.8%.
As the ratio of the increase of mining depth, the increase of gas emission, high methane and coal and gas outburst mine can also increase.China's gas accident has accounted for more than the 80% of coal mining accident, and the injures and deaths for causing account for the 90% of the serious accident number of casualties.Gas drainage under suction is the basis of Gas Disaster preventing and controlling, 2002, and China proposes control of coalmine gas first takes out and adopt afterwards, monitoring, with 12 word working policies of wind fixed output quota.At present our underground coal mine floods, gas, coal and gas prominent administration way are various, but accident still occurs again and again, it is therefore desirable to being directed to region coal mine features, research and probe is adapted to floods, gas, the technology of the coal and gas prominent comprehensive regulation of oneself safety of coal mines high-efficiency mining.
The content of the invention
Technical problem：Patent of the present invention will provide a kind of simple roadway system, strong adaptability, security reliability higher high gas layer group's base plate draining, gas drainage system, be capable of the coal mine underground water drainage of effective and safe, coal-bed gas take out in advance, the problem of stone door punching coal protrusion-dispelling.
Technical scheme：The purpose of the present invention is achieved through the following technical solutions：
1, a kind of high gas layer group base plate draining, gas drainage system, mainly by the big lane of Belt transport (1), connection roadway (2), the big lane of rail transport (3), total big lane of return air (4), take out connection roadway (5) in bottom, reverse explosion-proof air door (6), gas pumping chamber (7), base plate gas pumping lane (8), base plate central drainage lane (9), base plate gas pumping crossdrift (10), rise 1 (11) at slope in extraction lane, stop 1 (12) at slope in extraction lane, rise 2 (13) at slope in extraction lane, stop 2 (14) at slope in extraction lane, fork (15), give another the right of way field (16) composition；In coal seam group (17) base plate middle part arrangement base plate central drainage lane (9), base plate gas pumping crossdrift (10), base plate gas pumping lane (8) are respectively arranged in draining lane (9) both sides, according to working face of coal seam length, spacing takes 150m～250m to base plate gas pumping crossdrift (10)；Fork (15) is apart from base plate central drainage lane (9) apart from 100m～150m；
2nd, in gas pumping crossdrift (10) and gas pumping lane (8) two help arrange gas pumping chamber (7), spacing 15m～50m；By digging fork (11) connecting bottom board gas pumping crossdrift (10) and base plate gas pumping lane (8)；Base plate gas pumping lane (8) is connected with the big lane of total return air (4), and takes out connection roadway (5) bottom of by and be connected with the big lane of rail transport (3)；5 °～15 ° of 1 (11) gradient at slope is played in seat earth gas pumping lane, and 10 °～25 ° of 2 (13) gradient at slope is played in extraction lane.
3rd, (15) and bottom are taken out and install respectively in connection roadway (5) twice reversely explosion-proof air door (6) at seat earth gas pumping crossdrift fork, reverse explosion-proof air door (6) spacing 30m～40m of twice；Field (16) length 30m～60m that gives another the right of way is arranged in base plate central drainage lane.
Beneficial effect：As a result of such scheme, patent advantage of the present invention is as follows：
1st, this system considers drainage underground, takes out coal-bed gas, the problem of high gas and outburst mine protrusion-dispelling in advance simultaneously, preferred arrangement central drainage lane, gas pumping crossdrift and gas pumping, roadway system is simple, strong adaptability, higher security reliability the features such as.
2nd, this system connects gas pumping crossdrift and gas pumping lane by fork, and take out and install respectively in connection roadway twice reversely explosion-proof air door the bottom of with seat earth gas pumping crossdrift fork, effectively solving stone door punching coal problem of gas outburst, prevent coal and gas prominent pernicious gas from entering air intake lane, ensure lower section getting working face safety, reduce the further expansion of accident.
Description of the drawings
Fig. 1 is the system plane of arrangement schematic diagram of patent of the present invention.
Fig. 2 is the system arrangement generalized section of patent of the present invention.
Marginal data：1st, the big lane of Belt transport；2nd, connection roadway；3rd, the big lane of rail transport；4th, the big lane of total return air；5th, connection roadway is taken out at bottom；6th, reverse explosion-proof air door；7th, gas pumping chamber；8th, base plate gas pumping lane；9th, base plate central drainage lane；10th, base plate gas pumping crossdrift；11st, extraction lane is risen 1 at slope；12nd, extraction lane is stopped 1 at slope；13rd, extraction lane is risen 2 at slope；14th, extraction lane is stopped 2 at slope；15th, fork；16th, give another the right of way field；17th, coal seam group.
Specific embodiment
Further to illustrate that patent of the present invention is to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with accompanying drawing and preferably implement example, a kind of high gas layer group base plate draining according to patent of the present invention proposition, its specific embodiment of gas drainage system and its effect are described as follows：
1st, refer to shown in Fig. 1, Fig. 2, base plate central drainage lane (9) described in patent of the present invention is arranged at coal seam group (17) base plate middle part, base plate gas pumping crossdrift (10), base plate gas pumping lane (8) are respectively arranged in draining lane (9) both sides, according to working face of coal seam length, spacing takes 150m～250m to base plate gas pumping crossdrift (10)；Fork (15) is apart from base plate central drainage lane (9) apart from 100m～150m；
2nd, refer to shown in Fig. 1, Fig. 2, the gas pumping chamber (7) described in patent of the present invention in gas pumping crossdrift (10) and gas pumping lane (8) two help arrangement, spacing 15m～50m；By digging fork (11) connecting bottom board gas pumping crossdrift (10) and base plate gas pumping lane (8)；Base plate gas pumping lane (8) is connected with the big lane of total return air (4), and takes out connection roadway (5) bottom of by and be connected with the big lane of rail transport (3)；5 °～15 ° of 1 (11) gradient at slope is played in seat earth gas pumping lane, and 10 °～25 ° of 2 (13) gradient at slope is played in extraction lane.
3rd, refer to shown in Fig. 1, Fig. 2, twice described in patent of the present invention reverse explosion-proof air door (6) (15) and bottom at seat earth gas pumping crossdrift fork are taken out in connection roadway (5) and are installed respectively, reverse explosion-proof air door (6) spacing 30m～40m of twice；Field (16) length 30m～60m that gives another the right of way is arranged in base plate central drainage lane.
Claims (3)
1. a kind of high gas layer group base plate draining, gas drainage system, it is characterised in that have the following steps：It is main to be transported by adhesive tape
Shu great lanes (1), connection roadway (2), the big lane of rail transport (3), the big lane of total return air (4), bottom are taken out connection roadway (5), are reversely prevented
Quick-fried air door (6), gas pumping chamber (7), base plate gas pumping lane (8), base plate central drainage lane (9), base plate gas are taken out
Quarrying door (10), extraction lane play 1 (11), extraction lane at slope and stop at slope 1 (12), extraction lane and play 2 (13), extraction lane at slope
Only 2 (14) at slope, fork (15), field of giving another the right of way (16) composition；It is characterized in that：Arrange at coal seam group (17) base plate middle part
Base plate central drainage lane (9), in draining lane (9) both sides base plate gas pumping crossdrift (10), base plate gas pumping are respectively arranged
Lane (8), two help to arrange gas pumping chamber (7) in gas pumping crossdrift (10) and gas pumping lane (8)；By digging
Fork (11) connecting bottom board gas pumping crossdrift (10) and base plate gas pumping lane (8)；Base plate gas pumping lane (8) with it is total
The big lane of return air (4) connects, and takes out connection roadway (5) bottom of by and be connected with the big lane of rail transport (3)；In base plate gas pumping stone
(15) and bottom are taken out and install in connection roadway (5) reverse explosion-proof air door (6) at door fork.
2. a kind of high gas layer group base plate draining, the gas drainage system according to claims 1, is further characterized in that：
According to working face of coal seam length, spacing takes 150m～250m to described base plate gas pumping crossdrift (10)；Fork (15) away from
From base plate central drainage lane (9) distance 100m～150m：5 °～15 ° of 1 (11) gradient at slope is played in extraction lane, and extraction lane is risen at slope
2 (13) 10 ° of the gradients～25 °.
3. a kind of high gas layer group base plate draining, the gas drainage system according to claims 1, is further characterized in that：
Reverse explosion-proof air door (6) spacing 30m～40m of described twice；Give another the right of way field (16) length 30m～60m；Gas pumping stone
Two help gas pumping chamber (7) spacing 15m～50m in door (10) and gas pumping lane (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510686059.5A CN106567728A (en) | 2015-10-13 | 2015-10-13 | High gas coal seam group base plate drainage and gas extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510686059.5A CN106567728A (en) | 2015-10-13 | 2015-10-13 | High gas coal seam group base plate drainage and gas extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106567728A true CN106567728A (en) | 2017-04-19 |
Family
ID=58508507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510686059.5A Pending CN106567728A (en) | 2015-10-13 | 2015-10-13 | High gas coal seam group base plate drainage and gas extraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106567728A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163648A1 (en) * | 2006-01-19 | 2007-07-19 | Tom Eijkelenberg | Full opening and reclosable explosion vent apparatus |
| CN101050709A (en) * | 2006-04-03 | 2007-10-10 | 郭国政 | High water pressure releasing and blocking mining method for mining area |
| CN101603431A (en) * | 2009-07-14 | 2009-12-16 | 中国矿业大学 | A kind of method for reinforcing outburst-prone coal seam cross-cut coal uncovering |
| CN102562155A (en) * | 2011-07-20 | 2012-07-11 | 刘永立 | Automatic isolating door for poison gas generated after gas explosion of mine |
| CN102900460A (en) * | 2012-11-06 | 2013-01-30 | 中国矿业大学 | Method for performing through-going seam cutting, pressure relief, permeability enhancement and quick tunneling on soft and high-outburst coal seam |
| CN203822359U (en) * | 2014-04-23 | 2014-09-10 | 重庆市能源投资集团科技有限责任公司 | Distribution structure for gas extraction holes of coal face |
-
2015
- 2015-10-13 CN CN201510686059.5A patent/CN106567728A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070163648A1 (en) * | 2006-01-19 | 2007-07-19 | Tom Eijkelenberg | Full opening and reclosable explosion vent apparatus |
| CN101050709A (en) * | 2006-04-03 | 2007-10-10 | 郭国政 | High water pressure releasing and blocking mining method for mining area |
| CN101603431A (en) * | 2009-07-14 | 2009-12-16 | 中国矿业大学 | A kind of method for reinforcing outburst-prone coal seam cross-cut coal uncovering |
| CN102562155A (en) * | 2011-07-20 | 2012-07-11 | 刘永立 | Automatic isolating door for poison gas generated after gas explosion of mine |
| CN102900460A (en) * | 2012-11-06 | 2013-01-30 | 中国矿业大学 | Method for performing through-going seam cutting, pressure relief, permeability enhancement and quick tunneling on soft and high-outburst coal seam |
| CN203822359U (en) * | 2014-04-23 | 2014-09-10 | 重庆市能源投资集团科技有限责任公司 | Distribution structure for gas extraction holes of coal face |
Non-Patent Citations (1)
| Title |
|---|
| 王海东等: "顶底板抽采巷在高突工作面瓦斯治理中的应用", 《煤矿安全》 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170419 |
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