CN204419239U - Ground gas drainage system - Google Patents
Ground gas drainage system Download PDFInfo
- Publication number
- CN204419239U CN204419239U CN201420839890.0U CN201420839890U CN204419239U CN 204419239 U CN204419239 U CN 204419239U CN 201420839890 U CN201420839890 U CN 201420839890U CN 204419239 U CN204419239 U CN 204419239U
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- CN
- China
- Prior art keywords
- ground
- pipeline
- gas
- gas drainage
- hole
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- 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.)
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Abstract
The utility model relates to a kind of ground gas drainage system, comprises gas drainage pipeline, for laying the boring of gas drainage pipeline or tunnel and gas pumping station, gas drainage pipeline comprises the aboveground pipeline, connecting line and the down-hole pipeline that connect successively; Construct formation firedamp taking-out discharging drilling vertically downward in ground, connecting line is layed in firedamp taking-out discharging drilling, and boring connection lane connects firedamp taking-out discharging drilling and return airway, and down-hole pipe laying is in boring connection lane, return airway and top board suction road; Gas pumping station is constructed in ground and is connected with aboveground pipeline.The gas extracted out from top board suction road from down-hole extraction to ground release, avoids height gas that down-hole floss hole the discharges hidden danger to mine safety production band through gas drainage pipeline.
Description
Technical field
The utility model relates to a kind of technical field of mine safety, specifically a kind of gas drainage system.
Background technology
Gas Outburst refers to the increase of coal mining depth, the increase of gas bearing capacity, define geostatic stress effect in coal seam under, under the graviational interaction of gas release, rockburst is made to break through burden, the a large amount of gas of abrupt release and coal and a kind of address disaster caused, coal mining depth is darker, and the energy of gas abrupt release also can be larger.
The layout of down-hole gas sucking releasing pipe network system not only needs to consider that gas drainage system, coal mine excavation are disposed and underworkings ventilates, the impact of transport and pipeline maintenance repair, the hidden danger that the height gas that down-hole floss hole also will be avoided to discharge brings mine safety production.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of ground gas drainage system, after extraction is carried out to down-hole mining work plane high concentration gas, directly at ground release, avoid height gas that down-hole floss hole the discharges hidden danger to mine safety production band.
For solving above technical problem, the technical solution adopted in the utility model is:
A kind of ground gas drainage system, comprises gas drainage pipeline, for laying the boring of gas drainage pipeline or tunnel and gas pumping station, gas drainage pipeline comprises the aboveground pipeline, connecting line and the down-hole pipeline that connect successively; Construct formation firedamp taking-out discharging drilling vertically downward in ground, connecting line is layed in firedamp taking-out discharging drilling, and boring connection lane connects firedamp taking-out discharging drilling and return airway, and down-hole pipe laying is in boring connection lane, return airway and top board suction road; Gas pumping station is constructed in ground and is connected with aboveground pipeline.From top board suction road extract out gas through gas drainage pipeline from down-hole extraction to ground release.
As preferred technical scheme, described boring connection lane and the connection place of return airway arrange gantry pipe trench, gantry, ground pipe trench is lower than ground, connection place and offer gutter bottom the pipe trench of gantry, ground.Described top board suction road and the junction of return airway arrange ground gantry pipe trench, and gantry, ground pipe trench is lower than ground, connection place and offer gutter bottom the pipe trench of gantry, ground.Be connected with by upper lower pipeline by the extraction pipeline in the pipe trench of gantry, ground, ensure the useful area of return aircourse to greatest extent, minimally add mine resistance, avoid local, tunnel wind speed overrun issues.
As the preferred technical scheme of one, described boring connection lane filling non-automatic incombustible material after laying pipeline, and construct permanent fire dam at entrance to a lane.While playing control gas and fireproofing function, gas pipeline in lane is protected.
The utility model adopts ground to set up gas pumping station, the carrying out of down-hole gas sucking releasing pipe network system is arranged, designed, avoid greatly and reduce down-hole line arrangement on gas drainage system, coal mine excavation disposes and underworkings ventilates, transport and the impact of pipeline maintenance repair, after extraction is carried out to down-hole mining work plane high concentration gas, directly at ground release, avoid height gas that down-hole floss hole the discharges hidden danger to mine safety production band.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is gas drainage pipeline arrangement diagram in return airway.
Fig. 3 is gantry, ground pipe trench pipe laying schematic diagram of boring connection lane and return airway connection place.
Fig. 4 is pipe laying and filling schematic diagram in boring connection lane.
In figure, the aboveground pipeline of 1-, 2-connecting line, 3-down-hole pipeline, 4-gas drainage pipeline, 5-boring connection lane, 6-return airway, 7-top board suction road, 8-gas pumping station, gantry, 9-ground pipe trench, 10-gutter, the permanent fire dam of 11-, 12-loess, 13-flyash, 14-evacuated tube.
Detailed description of the invention
In order to make those skilled in the art better understand the utility model, below in conjunction with accompanying drawing, explanation clear, complete is further done to the utility model.
Ground gas drainage system shown in Fig. 1, comprises 4 times gas drainage pipelines, for laying the boring of gas drainage pipeline or tunnel and gas pumping station.Gas drainage pipeline adopts DN900 type pipeline, and support the use with 2BEC120 type water ring vacuum pump, gas drainage pipeline comprises the aboveground pipeline 1, connecting line 2 and the down-hole pipeline 3 that connect successively; Construct vertically downward and form firedamp taking-out discharging drilling 4 in ground, connecting line 2 is layed in firedamp taking-out discharging drilling 4 and connects underground pipeline.Boring connection lane 5 connects firedamp taking-out discharging drilling 4 and return airway 6, and down-hole pipeline 3 is layed in boring connection lane 5, return airway 6 and top board suction road 7, and as shown in Figure 2, many times down-hole pipeline 3 is placed on support body.Gas pumping station 8 is constructed in ground and is connected with aboveground pipeline 1, and gas pumping station 8 is provided with evacuated tube 14.
As shown in Figure 3, arrange gantry, ground pipe trench 9 in boring connection lane 5 and the connection place of return airway 6, gantry, ground pipe trench 9 is lower than ground, connection place and offer gutter 10 bottom gantry, ground pipe trench 9.Identical with aforesaid way, arrange gantry, ground pipe trench 9 in top board suction road 7 and the junction of return airway 6, gantry, ground pipe trench 9 is lower than ground, connection place and offer gutter 10 bottom gantry, ground pipe trench 9.
As shown in Figure 4; after ground gas boring puts in place; boring connection lane 5 length is all more than 6 meters; form blind lane; consider the factor of the aspect such as gas, fire prevention; after gas pipeline has been laid, utilize the non-automatic incombustible material such as loess 12 and flyash 13 to carry out filling in boring connection lane 5, and construct permanent fire dam 11 at entrance to a lane, while playing control gas and fireproofing function, gas pipeline in lane is protected.
The claimed scope of the utility model is not limited to above detailed description of the invention; to those skilled in the art; the utility model can have various deformation and change, all in design of the present utility model and any amendment, the improvement done within principle be equal to replacement and all should be included within protection domain of the present utility model.
Claims (5)
1. a ground gas drainage system, comprising gas drainage pipeline, for laying the boring of gas drainage pipeline or tunnel and gas pumping station, it is characterized in that: gas drainage pipeline comprises the aboveground pipeline (1), connecting line (2) and the down-hole pipeline (3) that connect successively; Construct vertically downward and form firedamp taking-out discharging drilling (4) in ground, connecting line (2) is layed in firedamp taking-out discharging drilling (4), boring connection lane (5) connects firedamp taking-out discharging drilling (4) and return airway (6), and down-hole pipe laying is in boring connection lane (5), return airway (6) and top board suction road (7); Gas pumping station (8) is constructed in ground and is connected with aboveground pipeline (1).
2. ground gas drainage system according to claim 1, it is characterized in that: described boring connection lane (5) arranges gantry pipe trench, ground (9) with the connection place of return airway (6), gantry, ground pipe trench (9) is lower than ground, connection place and offer gutter (10) in bottom, gantry, ground pipe trench (9).
3. ground gas drainage system according to claim 1 and 2, it is characterized in that: the junction of described top board suction road (7) and return airway (6) arranges gantry pipe trench, ground (9), gantry, ground pipe trench (9) is lower than ground, connection place and offer gutter (10) in bottom, gantry, ground pipe trench (9).
4. ground gas drainage system according to claim 1 and 2, is characterized in that: described boring connection lane (5) is filling non-automatic incombustible material after laying pipeline, and constructs permanent fire dam (11) at entrance to a lane.
5. ground gas drainage system according to claim 3, is characterized in that: described boring connection lane (5) is filling non-automatic incombustible material after laying pipeline, and constructs permanent fire dam (11) at entrance to a lane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839890.0U CN204419239U (en) | 2014-12-26 | 2014-12-26 | Ground gas drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839890.0U CN204419239U (en) | 2014-12-26 | 2014-12-26 | Ground gas drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204419239U true CN204419239U (en) | 2015-06-24 |
Family
ID=53469621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420839890.0U Expired - Fee Related CN204419239U (en) | 2014-12-26 | 2014-12-26 | Ground gas drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204419239U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257334A (en) * | 2015-09-30 | 2016-01-20 | 中国矿业大学 | Surface drilling pressure relief gas extraction and overlying strata isolated grouting filling synchronous implementing method |
| CN107035401A (en) * | 2017-05-26 | 2017-08-11 | 中节能宁夏新能源股份有限公司 | A kind of abandoned mine fire damp administers new technology |
-
2014
- 2014-12-26 CN CN201420839890.0U patent/CN204419239U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257334A (en) * | 2015-09-30 | 2016-01-20 | 中国矿业大学 | Surface drilling pressure relief gas extraction and overlying strata isolated grouting filling synchronous implementing method |
| CN107035401A (en) * | 2017-05-26 | 2017-08-11 | 中节能宁夏新能源股份有限公司 | A kind of abandoned mine fire damp administers new technology |
| CN107035401B (en) * | 2017-05-26 | 2018-04-10 | 中节能宁夏新能源股份有限公司 | A kind of abandoned mine fire damp administers new technology |
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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 |
Granted publication date: 20150624 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |