201601

放顶煤开采影响因素及对策分析
发布人:网站管理员 发布时间:2016/1/8 点击次数:169次
  

放顶煤开采影响因素及对策分析
李中胜
(山西兰花集团东峰煤矿有限公司,山西晋城048000)
摘要: 针对放顶煤开采煤炭损失大的问题,从地质赋存与开采技术两方面分析了其关键影响因素,提出提高煤炭回
收率应从合理选择放顶煤支架、确定合理的放煤工艺和放煤步距、加强工作面管理三方面入手。
关键词: 放顶煤;顶煤损失;冒落性;因素;对策
中图分类号: TD823 文献标识码: A 文章编号: 2095-0802-(2016)01-0076-02
Analysis of Countermeasures and Influence Factors of Top Coal Caving
LI Zhongsheng
(Dongfeng Coal Mine Co., Ltd., Shanxi Lanhua Group, Gaoping 048000, Shanxi, China)
Abstract: According to the problems of big loss in top coal caving, this paper analyzed its key influence factors from the aspects
of geological occurrence and mining technology, and proposed that reasonable selection of caving supporting, ensuring reasonable
coal technology and coal drawing interval, and strengthening working face management can improve coal recovery.

Key words: top coal; top-coal loss; top-coal caving characteristic; factors; countermeasures