一种新的石门揭煤工艺的探讨
Discussion on A New Rock Cross-cut Coal Uncovering Technology
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摘要: 提出了一种新的石门揭煤的工艺,即将揭煤巷道的1段密封住,并注入一定压力的空气,以解决石门揭煤过程中存在的周期过长,安全性差的问题。针对该工艺中的几个关键问题,通过实验室实验和现场试验进行了分析说明,结果表明:该工艺可以取得较好的安全效果,达到有效防止突出的目的。Abstract: A kind of rock cross-cut uncovering technology was put forward.The problems of long cycle and poor safety in the process of rock cross-cut coal uncovering were solved by sealing a section of uncovering coal roadway and injecting certain pressure of air.Several key issues of this technology were analyzed and illustrated by laboratory experiment and field investigation.The result showed that the technology can achieve better security result and realized the purpose of preventing effectively.