Influence of Negative Pressure in High Level Roadway on Coupling Hazard Prevention of Gas and Coal Fire in Gob
The negative pressure of high level roadway extraction is one key factor which can influence coal spontaneous combustion and the gas extraction, to determine the reasonable negative pressure of extraction, combined with the actual situation of gas over-limit and spontaneous ignition in 401102 fully...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Safety in Coal Mines
2020-04-01
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| Series: | Meikuang Anquan |
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| Online Access: | https://www.mkaqzz.com/cn/article/id/6771 |