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厚煤层综采放顶煤工作面防火问题一直是制约沈北矿区采煤主工艺改革的瓶颈。沈阳煤业(集团)公司在清水煤矿-260水平煤柱回收面进行综采放顶煤试验,通过采取综合防火措施取得成功。文章介绍了在各个阶段,不同时期复杂地质条件下采取的有针对性的防火措施。
The fire prevention of fully mechanized top coal caving face in thick seam has always been the bottleneck restricting the reform of the main process of coal mining in Shenbei mining area. Shenyang Coal Mining (Group) Company conducted a fully mechanized top coal caving test at the level of -260 horizontal coal pillar recovery face of Qingshui Coal Mine and achieved success through comprehensive fire prevention measures. The article introduces the targeted fire prevention measures taken in various stages and complex geological conditions in different periods.