CN205743984U - A kind of stope working surface of coal mines gas at upper corner automatic extraction system - Google Patents
A kind of stope working surface of coal mines gas at upper corner automatic extraction system Download PDFInfo
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- CN205743984U CN205743984U CN201620399976.5U CN201620399976U CN205743984U CN 205743984 U CN205743984 U CN 205743984U CN 201620399976 U CN201620399976 U CN 201620399976U CN 205743984 U CN205743984 U CN 205743984U
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- working surface
- fire dam
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Abstract
This utility model embodiment discloses a kind of stope working surface of coal mines gas at upper corner automatic extraction system, belongs to gas pumping field.Including methane gas extraction pipeline, gas pumping pumping plant, gas pumping pipe network system, gas concentration sensor, controller and fire dam, fire dam side is gas atmosphere district, opposite side is detection zone, methane gas extraction pipeline one end is stretched in the gas atmosphere district of fire dam side, the other end is connected with the gas pumping pumping plant of detection zone, and gas pumping pumping plant is connected by pipeline with gas pumping pipe network system；The outside of fire dam is provided with gas concentration sensor, and gas concentration sensor is electrically connected with the controller, and controller electrically connects with gas pumping pumping plant.In this utility model, a kind of stope working surface of coal mines gas at upper corner automatic extraction system structure is simple, and by the automatic extraction of face upper corner angle gas, gas at upper corner extraction efficiency is greatly improved.
Description
Technical field
This utility model relates to gas pumping field, particularly to a kind of stope working surface of coal mines gas at upper corner automatic extraction system.
Background technology
In order to administer gas at upper corner concentration overrun issues, traditional face upper corner angle gas drainage system is to arrange gas drainage system at upper corner, gas at upper corner is implemented long extraction, the region of upper corner so can be caused to leak out seriously, for have spontaneous fire tendency coal seam this can cause serious hidden danger.If using manual detection gas at upper corner concentration, the unlatching of Non-follow control gas at upper corner extraction pumping plant, on the one hand increments cost of labor, on the one hand manually can not monitor gas at upper corner concentration in real time, likely miss the best opportunity of gas pumping, cause gas at upper corner concentration to transfinite.
Utility model content
This utility model provides a kind of stope working surface of coal mines gas at upper corner automatic extraction system, it is provided that a kind of simple in construction, automaticity are high, safe and reliable stope working surface of coal mines gas at upper corner automatic extraction system.
This utility model provides a kind of stope working surface of coal mines gas at upper corner automatic extraction system, including:
Methane gas extraction pipeline, gas pumping pumping plant, gas pumping pipe network system, gas concentration sensor, controller and fire dam, fire dam side is gas atmosphere district, opposite side is detection zone, methane gas extraction pipeline one end is stretched in the gas atmosphere district of fire dam side, the other end is connected with the gas pumping pumping plant of detection zone, and gas pumping pumping plant is connected by pipeline with gas pumping pipe network system；
The nearside of fire dam is provided with gas concentration sensor, and gas concentration sensor is electrically connected with the controller, and controller electrically connects with gas pumping pumping plant.
Preferably, controller arranges gas density extreme value is 0.5%.
Preferably, gas concentration sensor is located at the upper corner of described detection zone.
Preferably, gas concentration sensor is located on the fire dam at upper corner.
In this utility model, a kind of stope working surface of coal mines gas at upper corner automatic extraction system is provided, simple in construction, automaticity is high, safety, efficiently, extracting result is good, automatic extraction by face upper corner angle gas density outer to fire dam, gas at upper corner concentration extraction efficiency is greatly improved, not only makes gas at upper corner concentration overrun issues obtain effective control, and effectively prevent because long-time extraction causes upper corner region to be leaked out serious problem, both it is effectively utilized the gas resources of upper corner, turn avoid spontaneous fire.
Accompanying drawing explanation
A kind of stope working surface of coal mines gas at upper corner automatic extraction system principle diagram that Fig. 1 provides for this utility model；
A kind of stope working surface of coal mines gas at upper corner automatic extraction system structure schematic diagram that Fig. 2 provides for this utility model.
1-methane gas extraction pipeline, 2-gas pumping pumping plant, 3-gas pumping pipe network system, 4-gas concentration sensor, 5-controller, 6-fire dam.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a detailed description of the invention of the present utility model is described in detail, it is to be understood that protection domain of the present utility model is not limited by detailed description of the invention.
Shown in Fig. 1 and Fig. 2, a kind of stope working surface of coal mines gas at upper corner automatic extraction system that this utility model embodiment provides includes methane gas extraction pipeline 1, gas pumping pumping plant 2, gas pumping pipe network system 3, gas concentration sensor 4, controller 5 and fire dam 6, fire dam side is gas atmosphere district, opposite side is detection zone, methane gas extraction pipeline 1 one end is stretched in the gas atmosphere district of fire dam 6 side, the other end is connected with the gas pumping pumping plant 2 of detection zone, and gas pumping pumping plant 2 is connected by pipeline with gas pumping pipe network system 3；The outside of fire dam 6 is provided with gas concentration sensor 4, and gas concentration sensor 4 electrically connects with controller 5, and controller 5 electrically connects with gas pumping pumping plant 2.
Methane gas extraction pipeline 1 one end is stretched in the gas atmosphere district of fire dam 6 side, the other end is connected with gas pumping pumping plant 2, it is used for carrying methane gas, gas pumping pumping plant 2 is used for extracting the methane gas needing detection, and be pipelined in gas pumping pipe network system 3, gas pumping pipe network system 3 is used for detecting the gas sample of gas pumping pumping plant 2 extraction.
Gas concentration sensor 4 is arranged on the face upper corner angle of fire dam nearside, it is used for detecting the gas density signal of face upper corner angle, gas concentration sensor 4 can detect gas at upper corner concentration in real time, the signal collected sends to controller 5, and controller 5 is used for the keying of control gas extraction pumping plant 2.
Operationally, gas concentration sensor 4 detects gas at upper corner concentration in real time, send the signal collected to controller 5, controller 5 receives the signal that gas concentration sensor 4 gathers, with presetting gas density ratio of extreme values relatively, when the gas concentration gathered is higher than 0.5% when, controller 5 sends open command to gas pumping pumping plant 2, open gas pumping pumping plant 2, when the gas concentration gathered is less than 0.5% when, controller 5 sends shutdown signal to gas pumping pumping plant 2, closes extraction pumping plant；The methane gas in fire dam 6 will be extracted by methane drawing pipeline 1 when gas pumping pumping plant 2 is opened, be pipelined to the methane gas of extraction in gas pumping pipe network system 3 detect.
This utility model can realize the automatic extraction of face upper corner angle gas, greatly improves gas at upper corner extraction efficiency, effectively controls gas at upper corner overrun issues, and avoid the upper corner region caused because of long-time extraction and leak out serious problem.
Only several specific embodiments of the present utility model disclosed above, but, this utility model embodiment is not limited to this, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (4)
1. a stope working surface of coal mines gas at upper corner automatic extraction system, it is characterised in that including:
Methane gas extraction pipeline (1), gas pumping pumping plant (2), gas pumping pipe network system (3), gas are dense
Degree sensor (4), controller (5) and fire dam (6), described fire dam side is gas atmosphere district,
Opposite side is detection zone, and the device in Gas of fire dam (6) side is stretched in described methane gas extraction pipeline (1) one end
In atmosphere district, the other end is connected with the described gas pumping pumping plant (2) of detection zone, described gas pumping pumping plant
(2) it is connected by pipeline with described gas pumping pipe network system (3)；
The nearside of described fire dam (6) is provided with gas concentration sensor (4), described gas concentration sensor
(4) electrically connecting with controller (5), described controller (5) is electrically connected with described gas pumping pumping plant (2)
Connect.
A kind of stope working surface of coal mines gas at upper corner automatic extraction system the most according to claim 1,
It is characterized in that, it is 0.5% that described controller (5) arranges gas density extreme value.
A kind of stope working surface of coal mines gas at upper corner automatic extraction system the most according to claim 1,
It is characterized in that, described gas concentration sensor (4) is located at the upper corner of described detection zone.
A kind of stope working surface of coal mines gas at upper corner automatic extraction system the most according to claim 3,
It is characterized in that, described gas concentration sensor (4) is located on the fire dam (6) at described upper corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620399976.5U CN205743984U (en) | 2016-04-24 | 2016-04-24 | A kind of stope working surface of coal mines gas at upper corner automatic extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620399976.5U CN205743984U (en) | 2016-04-24 | 2016-04-24 | A kind of stope working surface of coal mines gas at upper corner automatic extraction system |
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| Publication Number | Publication Date |
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| CN205743984U true CN205743984U (en) | 2016-11-30 |
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| CN201620399976.5U Expired - Fee Related CN205743984U (en) | 2016-04-24 | 2016-04-24 | A kind of stope working surface of coal mines gas at upper corner automatic extraction system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108180034A (en) * | 2017-12-28 | 2018-06-19 | 太原理工大学 | A kind of application process that coal mine gas at upper corner is administered based on aqueous vapor scroll fluid |
| CN108180033A (en) * | 2017-11-30 | 2018-06-19 | 中国矿业大学(北京) | A kind of closed goaf gas discharges automatic control technique and equipment |
| CN108468850A (en) * | 2018-03-16 | 2018-08-31 | 田野 | The closed gas pumping control device of underground coal mine |
| CN111911220A (en) * | 2020-08-14 | 2020-11-10 | 辽宁工程技术大学 | Method for automatically monitoring and removing carbon monoxide at corner on working face |
-
2016
- 2016-04-24 CN CN201620399976.5U patent/CN205743984U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108180033A (en) * | 2017-11-30 | 2018-06-19 | 中国矿业大学(北京) | A kind of closed goaf gas discharges automatic control technique and equipment |
| CN108180033B (en) * | 2017-11-30 | 2020-05-15 | 中国矿业大学(北京) | Automatic regulating and controlling equipment for gas release in closed goaf |
| CN108180034A (en) * | 2017-12-28 | 2018-06-19 | 太原理工大学 | A kind of application process that coal mine gas at upper corner is administered based on aqueous vapor scroll fluid |
| CN108180034B (en) * | 2017-12-28 | 2020-07-28 | 太原理工大学 | Application method for treating gas at upper corner of coal mine based on water-gas vortex fluid |
| CN108468850A (en) * | 2018-03-16 | 2018-08-31 | 田野 | The closed gas pumping control device of underground coal mine |
| CN111911220A (en) * | 2020-08-14 | 2020-11-10 | 辽宁工程技术大学 | Method for automatically monitoring and removing carbon monoxide at corner on working face |
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| 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: 20161130 Termination date: 20180424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |