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本文介绍了大明二矿在煤柱开采中，掘进期间过旧巷的瓦斯治理及回采过程中的防止自然发火，减小采空区向工作面的漏风压力差，控制一氧化碳气体向工作面漏出的技术应用情况，取得了十分明显的经济效益和应用效果。
In this paper, the paper introduces the gas treatment of overdriving old lane during coal pillar mining and prevention of spontaneous combustion during the coal pillar mining in Daming No.2 Mine, reducing the air leakage pressure difference between the goaf and the working face and controlling the leakage of carbon monoxide gas to the working face Technology application, has made very obvious economic benefits and application effects.