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文章针对低位放顶煤采煤工艺及顶板管理的实践，分析和探讨了放顶煤技术应用于坚硬煤层开采的可行性，并找出了“两硬”煤层综放开采的技术途径，初步确定了忻州窑矿低位放顶煤中间巷预爆破工艺的合理参数。
This paper analyzes and discusses the feasibility of using top coal caving technology in hard coal seam mining, and finds out the technical ways of fully mechanized top coal caving in “two hard” coal seam, initially determined The reasonable parameters of the pre-blasting process of the low caving Middle Lane in Xinzhou kiln.