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安全快速通过底抽巷及联巷是三软煤层综放工作面安全高产高效的关键。介绍了过底抽巷前期的准备工作,制订了过巷期间的安全技术措施,通过对底抽巷的充填加固和切巷的调斜,实现了告成煤矿21031综放工作面安全快速通过老巷。
Safe and rapid passage through the bottom of Lane and Lane is three soft seam fully mechanized face safe, high yield and efficiency of the key. This paper introduces the preparatory work of pre-bottoms tunneling and formulates the safety technical measures during the tunnel crossing. Through the filling and reinforcement of bottom tunnel and the diagonal adjustment of cutting lane, 21031 fully mechanized coal caving face in Chengcheng Mine is realized safely and rapidly through the old lane .