CN104500138A - Coal and gas outburst warning method of coal mine heading face - Google Patents
Coal and gas outburst warning method of coal mine heading face Download PDFInfo
- Publication number
- CN104500138A CN104500138A CN201410547224.4A CN201410547224A CN104500138A CN 104500138 A CN104500138 A CN 104500138A CN 201410547224 A CN201410547224 A CN 201410547224A CN 104500138 A CN104500138 A CN 104500138A
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- methane
- coal mine
- coal
- increases rapidly
- alarming value
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- 239000003245 coal Substances 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 358
- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000011435 rock Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 238000010223 real-time analysis Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 5
- 206010003497 Asphyxia Diseases 0.000 abstract description 3
- 230000005856 abnormality Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 102220634580 Vacuolar protein-sorting-associated protein 36_T10S_mutation Human genes 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a coal and gas outburst warning method of a coal mine heading face. The warning method comprises a reasonable sensor setting method, monitors the methane concentration, the wind direction, the data change of an air velocity transducer and the sensor faults in real time, analyzes the data change of the transducer and the sensor fault information in real time, and sends out coal and gas outburst warning and outage blocking signals if the combination condition of information abnormalities accords with the warning condition. The warning method fully considers various characteristics of the coal and gas outburst of the coal mine heading face, is simple in implementation, can judge the coal and gas outburst of the coal mine heading face more accurately, can effectively prevent such accidents as gas explosion caused by the coal and gas outburst, and can prevent or reduce the casualties caused by the gas asphyxia and the gas explosion.
Description
Technical field
The present invention relates to a kind of driving face in coal mine coal and gas prominent alarm method, the method relates to sensor and the field such as to communicate.
Background technology
Coal is China's main energy sources, accounts for primary energy 70%.Coal industry is high risk industries, and the accidents such as gas, floods, fire, top board, coal dust annoying Safety of Coal Mine Production.In China's coal-mine generation severe and great casualty, majority is particularly serious gas accident, and the number of casualties that gas accident causes also is that in all coal mining accident, proportion is maximum.Therefore, gas accident control is very important.
Gas accident comprises the accidents such as gas explosion, coal and gas prominent, gas asphyxiation, gas combustion.Occur for avoiding or reducing coal and gas prominent accident, there has been proposed multiple coal or rock and gas outburst prevention treatment method, play an important role in Safety of Coal Mine Production work.But existing coal and gas prominent Real-Time Monitoring and forecasting procedure (comprising microseism, sound emission, electromagnetic radiation, infrared radiation etc.) rate of false alarm and rate of failing to report also higher, be difficult to the needs meeting Safety of Coal Mine Production.
Easily there is coal and gas prominent in the driving face of underground coal mine, if judge the coal and gas prominent in this region exactly, coal and gas prominent effectively can be avoided to cause the accidents such as gas explosion, avoid or reduce because gas asphyxiation and gas explosion cause casualties.
Summary of the invention
The present invention proposes a kind of driving face in coal mine coal and gas prominent alarm method, concrete grammar is as follows:
1. in coal road, half-coal rock roadway and the stone drifting work plane having Gas and return thereof, air intake lane, exploiting field, exploiting field return airway, a wing air intake lane, a wing return airway, total air intake lane, these regional locations of main return airway place gamut or the dense methane transducer of height; Air velocity transducer is placed at digging laneway return, exploiting field return airway, a wing return airway and these regional locations of main return airway; Wind transducer is placed at divide air port (hereinafter referred to as driving face air intake) place, air intake lane, exploiting field, a wing air intake lane, these regional locations of total air intake lane of driving face air intake; Relevant substation and power work normal, when sensing station arranges correct, the data variation of the above methane concentration of Real-Time Monitoring, wind direction, air velocity transducer and sensor fault, by data variation and the sensor fault information of analyte sensors, combined situation as abnormal information meets alert if, then send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
2. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that digging laneway return methane transducer monitors increases rapidly or reaches alarming value 1.0%CH4, when the wind speed that digging laneway return air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
3. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that exploiting field return airway methane transducer monitors increases rapidly or reaches alarming value 1.0%CH4, when the wind speed that exploiting field return airway air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
4. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that one wing return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4, when the wind speed that one wing return airway air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
5. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that main return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4, when the wind speed that main return airway air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
6. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that exploiting field return airway methane transducer monitors increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that one wing return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4; When the methane concentration that main return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
7. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When driving face air intake wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
8. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When air intake lane, exploiting field wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
9. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When one wing air intake lane wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
10. when driving face methane transducer fault or the methane concentration that monitors increase rapidly; Digging laneway return methane transducer fault or the methane concentration monitored increase rapidly; When total air intake lane wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
11. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When the methane concentration that air intake lane, exploiting field methane transducer monitors increases rapidly or reaches alarming value 0.5%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
12. when driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When the methane concentration that one wing air intake lane methane transducer monitors increases rapidly or reaches alarming value 0.5%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
13. increase rapidly when driving face methane transducer fault or the methane concentration that monitors; Digging laneway return methane transducer fault or the methane concentration monitored increase rapidly; When the methane concentration that total air intake lane methane transducer monitors increases rapidly or reaches alarming value 0.5%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
Accompanying drawing explanation
Fig. 1 underground monitoring system schematic diagram.
Fig. 2 driving face in coal mine sensor mounting location schematic diagram.
Detailed description of the invention
Described alarm method need gather each sensor signal by underground monitoring system, realizes data analysis by monitoring server, is comprised by underground monitoring system as shown in Figure 1:
1. monitoring server (1); Be responsible for gathering each sensor signal, storing, and monitor methane concentration, wind direction, the data variation of air velocity transducer and sensor fault, send warning and fail secure signal by analysis data variation and fault message, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS).
2. monitoring host computer (2); Production management personnel check data variation and the sensor fault of sensor by monitoring host computer, manually can send warning and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), issue dispatch command notice and withdraw from coal mine underground operators.And history monitor data can be transferred from monitoring server.
3. monitor guest machine (3); When monitoring host computer breaks down, carry out work by monitoring guest machine.
4. the network switch (4); Be responsible for management and the exchanges data of the equipment of the mining Ethernet of all accesses.
5. down-hole switch (5); Be responsible for access and the exchanges data of substation.
6. substation (6); Be responsible for access and the exchanges data of sensor.
7. methane transducer (7); When methane concentration reaches warning concentration, send alarm signal; When methane concentration reaches power-off required concentration, cut off relevant range power supply.
8. air velocity transducer (8); When wind speed is abnormal, send alarm signal.
9. wind transducer (9); When there is wind current control, send alarm signal.
At driving face T1, T2, air intake lane, exploiting field T5, exploiting field return airway T6 in driving face return, one wing air intake lane T7, a wing return airway T8, total air intake lane T9, these regional locations of main return airway T10, place gamut or height dense methane transducer T1J, T2J, T5J, T6J, T7J, T8J, T9J, T10J respectively; Wherein T8J and T10J alarming value is set as methane concentration 0.7%; T5J, T7J, T9J alarming value is set as methane concentration 0.5%; T1J, T2J, T6J alarming value is set as methane concentration 1.0%.
At digging laneway return T2, exploiting field return airway T6, a wing return airway T8 and these regional locations of main return airway T10, place air velocity transducer T2S, T6S, T8S, T10S respectively;
At point air port T3, air intake lane, exploiting field T5, a wing air intake lane T7, always air intake lane these regional locations of T9 of driving face air intake, place wind transducer T3F, T5F, T7F, T9F respectively.
Driving face sensor setting position as shown in Figure 2, specifically comprises:
1. driving face position, methane transducer (201) T1J.
2. digging laneway return position, methane transducer (202) T2J and air velocity transducer (203) T2S.
3. point tuyere position of driving face air intake, air velocity transducer (204) T3F.
Monitoring server real time sensor data, when finding that certain methane transducer catastrophic failure or the methane concentration monitored increase rapidly or reach alarming value, then judges this methane transducer data exception; When certain wind transducer of discovery is reported to the police, then judge this wind transducer data exception; The wind speed that reference monitors simultaneously is not less than air velocity transducer during normal value; Judging whether to meet alert if according to following breakdown judge table, as met, reporting to the police.
Claims (13)
1. a driving face in coal mine coal and gas prominent alarm method, it is characterized in that: underground coal mine, in coal road, half-coal rock roadway and the stone drifting work plane having Gas and return thereof, air intake lane, exploiting field, exploiting field return airway, a wing air intake lane, a wing return airway, total air intake lane, main return airway place gamut or the dense methane transducer of height; Air velocity transducer is placed at digging laneway return, exploiting field return airway, a wing return airway and main return airway; Wind transducer is placed in divide air port (hereinafter referred to as driving face air intake) place, air intake lane, exploiting field, a wing air intake lane, total air intake lane of driving face air intake; Relevant substation and power work normal, when sensing station arranges correct, the data variation of the above methane concentration of Real-Time Monitoring, wind direction, air velocity transducer and sensor fault, the data variation of real-time analysis sensor and sensor fault information, combined situation as Information abnormity meets alert if, then send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
2. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that digging laneway return methane transducer monitors increases rapidly or reaches alarming value 1.0%CH4, when the wind speed that digging laneway return air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
3. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that exploiting field return airway methane transducer monitors increases rapidly or reaches alarming value 1.0%CH4, when the wind speed that exploiting field return airway air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
4. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that one wing return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4, when the wind speed that one wing return airway air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
5. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that main return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4, when the wind speed that main return airway air velocity transducer monitors is not less than normal value, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine operation people. member.
6. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that exploiting field return airway methane transducer monitors increases rapidly or reaches alarming value 1.0%CH4; The methane concentration that one wing return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4; When the methane concentration that main return airway methane transducer monitors increases rapidly or reaches alarming value 0.7%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
7. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When driving face air intake wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
8. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When air intake lane, exploiting field wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
9. alarm method as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When one wing air intake lane wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
10. alarm method as claimed in claim 1, is characterized in that: driving face methane transducer fault or the methane concentration monitored increase rapidly; Digging laneway return methane transducer fault or the methane concentration monitored increase rapidly; When total air intake lane wind transducer monitors wind current control, send coal and gas prominent and report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
11. alarm methods as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increase rapidly or reach alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When the methane concentration that air intake lane, exploiting field methane transducer monitors increases rapidly or reaches alarming value 0.5%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
12. alarm methods as claimed in claim 1, it is characterized in that: driving face methane transducer fault, or the methane concentration monitored increase rapidly or reach alarming value 1.0%CH4; Digging laneway return methane transducer fault, or the methane concentration monitored increases rapidly or reaches alarming value 1.0%CH4; When the methane concentration that one wing air intake lane methane transducer monitors increases rapidly or reaches alarming value 0.5%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
13. alarm methods as claimed in claim 1, is characterized in that: driving face methane transducer fault or the methane concentration monitored increase rapidly; Digging laneway return methane transducer fault or the methane concentration monitored increase rapidly; When the methane concentration that total air intake lane methane transducer monitors increases rapidly or reaches alarming value 0.5%CH4, send coal and gas prominent to report to the police and fail secure signal, cut off underground coal mine whole non-intrinsically safe secured electrical device power supply (DPS), notice withdraws from coal mine underground operators.
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| CN201410547224.4A CN104500138B (en) | 2014-10-16 | 2014-10-16 | Driving face in coal mine coal and gas prominent alarm method |
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| CN201410547224.4A CN104500138B (en) | 2014-10-16 | 2014-10-16 | Driving face in coal mine coal and gas prominent alarm method |
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| CN104500138A true CN104500138A (en) | 2015-04-08 |
| CN104500138B CN104500138B (en) | 2019-05-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647557A (en) * | 2016-10-21 | 2017-05-10 | 中国矿业大学(北京) | Mine explosion monitoring alarm and control system |
| CN107725110A (en) * | 2017-12-01 | 2018-02-23 | 中国矿业大学(北京) | Based on ranging and the driving face calamity forecast system to test the speed |
| CN109458222A (en) * | 2018-10-10 | 2019-03-12 | 国家能源投资集团有限责任公司 | The method and device of compressed-air system is latched when gas exceeding limit |
| CN109952575A (en) * | 2016-11-10 | 2019-06-28 | 3M创新有限公司 | System and method for supervising local analytics |
| CN110985129A (en) * | 2019-12-31 | 2020-04-10 | 中煤科工集团重庆研究院有限公司 | Coal and gas outburst catastrophe identification method for coal mining working face |
| CN111648828A (en) * | 2020-06-16 | 2020-09-11 | 福州大学 | Intelligent control sulfur iron mine underground working face SO2Method of concentration |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1333778A1 (en) * | 1986-02-27 | 1987-08-30 | Государственный Проектно-Конструкторский И Научно-Исследовательский Институт По Автоматизации Угольной Промышленности | Arrangement for gas protection of coal mines |
| CN101922309B (en) * | 2009-06-09 | 2012-11-14 | 公安部天津消防研究所 | Method for preventing mine gas from exploding and implementation device thereof |
| CN203201593U (en) * | 2013-04-22 | 2013-09-18 | 四川煤矿安全监察局安全技术中心 | Automatic and fast power-off device for gas counter-current warning |
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2014
- 2014-10-16 CN CN201410547224.4A patent/CN104500138B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647557A (en) * | 2016-10-21 | 2017-05-10 | 中国矿业大学(北京) | Mine explosion monitoring alarm and control system |
| CN106647557B (en) * | 2016-10-21 | 2024-02-06 | 中国矿业大学(北京) | Mine explosion monitoring alarm and control system |
| CN109952575A (en) * | 2016-11-10 | 2019-06-28 | 3M创新有限公司 | System and method for supervising local analytics |
| CN109952575B (en) * | 2016-11-10 | 2023-12-29 | 3M创新有限公司 | System and method for supervising local analysis |
| CN107725110A (en) * | 2017-12-01 | 2018-02-23 | 中国矿业大学(北京) | Based on ranging and the driving face calamity forecast system to test the speed |
| CN109458222A (en) * | 2018-10-10 | 2019-03-12 | 国家能源投资集团有限责任公司 | The method and device of compressed-air system is latched when gas exceeding limit |
| CN110985129A (en) * | 2019-12-31 | 2020-04-10 | 中煤科工集团重庆研究院有限公司 | Coal and gas outburst catastrophe identification method for coal mining working face |
| CN110985129B (en) * | 2019-12-31 | 2021-06-01 | 中煤科工集团重庆研究院有限公司 | Coal and gas outburst catastrophe identification method for coal mining working face |
| CN111648828A (en) * | 2020-06-16 | 2020-09-11 | 福州大学 | Intelligent control sulfur iron mine underground working face SO2Method of concentration |
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| Publication number | Publication date |
|---|---|
| CN104500138B (en) | 2019-05-07 |
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