摘要
石门揭煤一般采取"四位一体"的方法,当煤层相距较近时如何进行揭煤工作,围绕这一问题,介绍了临焕矿含有煤层群的石门揭煤过程,提出了具有煤层群时井筒石门揭煤的方法。
The uncovering of rock door generally adopts the ＂four - in - one＂ approach. This paper discusses how to uncover them when the coal beds are close with each other, in which the process of uncovering the rock door of Linhuan Mine with group coal beds is introduced and the methods of uncovering mine cylinder rock door are put forward when there are group coal beds.
出处
《工业安全与环保》
2008年第11期39-40,共2页
Industrial Safety and Environmental Protection
关键词
石门揭煤
煤层群
煤气
uncovering of rock door
group coal bed
gas
