0　前言在煤矿生产建设中 ,爆破工作引起瓦斯爆炸事故的原因很多 ,如炸药含水率过大、最小抵抗线过小、炮泥封孔长度不足等。据有关资料显示 ,发生在掘进工作面的瓦斯爆炸事故 ,由于放炮炮泥不足引起的占有一定的比例。所以 ,这一问题很值得研究和重视。1　炮泥不足易引爆瓦斯 0 Preface In the coal mine production and construction, blasting caused many gas explosion accidents, such as excessive moisture content of explosives, the minimum resistance line is too small, the length of the sealing hole is not enough and so on. According to the relevant information, the gas explosion occurred on the heading face occupies a certain proportion due to the lack of shotgun. Therefore, this issue is worth studying and paying attention to. A lack of mud easily detonated gas