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随着开采深度的增加,矿井老巷、老空区增多,高瓦斯不易自燃煤层瓦斯燃烧事故也随之增多,准确分析引火源是预防和处理此类事故的关键。引用矿压、煤自燃、采空区瓦斯流动、瓦斯燃烧等理论,以祁东矿6135工作面瓦斯燃烧事故为例进行分析,确立煤自燃是此次瓦斯燃烧事故的点火源;在准确分析引火源产生和火灾传递过程的基础上,制定了封闭火区治理方案并实施,火区得到快速治理。
With the increase of mining depth, the number of old lanes and old empty areas increases, and the gas combustion accidents in coal seam with high gas and non-spontaneous combustion increase. Accurate analysis of ignition sources is the key to prevent and treat such accidents. Based on the theories of mine pressure, coal spontaneous combustion, gas flow in coal mined area and gas combustion, the gas combustion accident in 6135 working face of Qidong Mine is analyzed as an example to establish that spontaneous combustion of coal is the ignition source of this gas combustion accident. Source and fire transmission process based on the development of a closed fire district management plan and implementation, the fire district was quickly managed.