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针对易自燃煤层综放开采的实际情况,对孤岛综放面撤架期间自然发火的影响因素进行了分析,提出了调节工作面通风系统、加强自然发火预测预报、发火隐患区域压注防灭火材料为主的自然发火防治技术体系,有效防治了自燃火灾事故,确保了工作面的安全撤除。
In view of the actual conditions of fully mechanized top coal caving mining in spontaneous combustion of coal seam, the influencing factors of spontaneous combustion during the period of withdrawal of fully mechanized caving face are analyzed. The ventilation system of the working face is adjusted to enhance the predictions of spontaneous combustion and to suppress fire extinguishing materials Based spontaneous fire prevention and control technology system, effective prevention and control of spontaneous combustion fire accidents, to ensure the safety of face removal.