放顶煤工作面综合防灭火技术研究与应用

Study and application of technology of preventing coal self-ignition in caving working face of coal mine

对江苏大屯煤电公司龙东矿放顶煤工作面的防灭火实用技术进行了阐述。重点分析了放顶煤开采在掘进、回采、停采时期的煤炭自然发火的原因和所采取的针对性防治技术。

In this paper, the practical technology of preventing coal self-ignition in the caving working face of Longdong Coal Mine of Datun Coal and Electricity Group was described, and the causes of coal self-ignition were emphasized to analyze for the periods of the head-cutting, mining and coal mining pause in the caving working face. The preventing and controlling technology of the coal self-ignition was applied to the practical working fields and the good results of the coal self-ignition prevention were obtained for Longdong Coal Mine.