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华莹山矿务局绿水洞矿1989年发生一起瓦斯爆炸事故,摧毁巷道约350m,直接经济损失6万余元。这起事故是停风、停电期间在某机巷无人作业的碛头发生的。清理事故现场时发现,距甩道石门148m处的金属支架向两边倒伏,故可认为该处就是爆源点。根据巷道
Huas Ying Shan Mining Lvshuang mine in 1989, a gas explosion accident, destruction of about 350m roadway, the direct economic loss of 60,000 yuan. The accident was a wind stop and the occurrence of unmanned moraines at a machine lane during a power outage. Clean up the scene of the accident and found that the stone throwing away from the metal stent 148m Department lodging on both sides, it can be considered that the Department is the source of explosion. According to roadway