峰峰矿务局1983年以前,井下放炮眼的充填材料因采用经烤焙的硬炮土装填,所以经常发生放炮爆燃事故,据有资料记载的统计曾发生放炮爆燃事故96起,其中引燃瓦斯20起。特别是羊渠河矿二坑于1968年7月12日因放炮爆燃引起的瓦斯煤尘爆炸事故,教训非常惨痛。 Fengfeng Mining Bureau before 1983, the downhole blasting stuffing material due to the use of roasted hard gun soil filling, so often blast deflagration accident occurred, according to statistics, there have been 96 blasting incidents have occurred, of which ignition 20 gas In particular, two sheep pit mines on July 12, 1968 due to deflagration caused by gas and coal dust explosion, the lesson is very painful.