炮眼封泥不足对煤矿爆破安全的影响

Influences on the Coal Mine Safety of Inadequate Blasthole Lute

运用爆破作业的相关机理分析了炮眼封泥不足对采掘工作面造的危害及相关事故发生的原因,提出了因炮眼封泥不足造成瓦斯煤尘爆炸事故的防范措施。

To analyses the harmfulness to excavation face because of the lack of blast hole lute and the reasons of some accidents interrelated, this article applies mechanism of blast operation combining accident cases and raises some measures against gas and coal dust blast.