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介绍了七星矿东四采区12煤层、209重点瓦斯掘进工作面,运用二氧化碳气体成功治理一起外因火灾事故的实例,对今后高瓦斯掘进工作面火灾的防治和防止灾害扩大积累了一点经验。
This paper introduces 12 coal seams in No. 4 mining area of Qixing Coal Mine and 209 key gas tunneling workfaces, and successfully manages a case of external fire accident with carbon dioxide gas. It has accumulated some experiences in the prevention and control of fire and prevention of disaster expansion in the future high - gassy heading face.