“三软”不稳定厚煤层放顶煤开采防突技术研究  

Study on Outburst Prevention Technology of Top Coal Caving Mining in "Three Soft" Unstable Thick Coal Seams

作　　者：姚一慧 YAO Yihui(Installation Branch Company of Fengyu Coal Industry Co.,Ltd.,Huozhou Coal Electricity Group,Huozhou 031400,Shanxi,China)

机构地区：[1]霍州煤电丰峪煤业安装分公司,山西霍州031400

出　　处：《能源与节能》2020年第8期137-138,共2页Energy and Energy Conservation

摘　　要：霍州煤电丰峪煤业紫晟煤矿地质条件复杂,煤层赋存不稳定,放顶煤开采瓦斯突出是该煤矿重点解决的安全问题。重点介绍了本煤层顺层钻孔预抽瓦斯解决突出问题的方法,取得了明显效果。Zisheng Coal Mine of Fengyu Coal Industry Co.,Ltd.of Huozhou Coal Electricity Group has complex geological con-ditions and unstable coal seam occurrence.Top coal caving mining gas outburst is the key safety problem to be solved in the coal mine.This paper mainly introduced the method of pre-draining gas along the seam to solve the outburst problem,and the obvious effect was obtained.

关 键 词：“三软”不稳定厚煤层 放顶煤开采 防突技术 

分 类 号：TD712.6[矿业工程—矿井通风与安全]