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1976年在平庄五家煤矿,利用阻化剂防止局部地区自然发火试验取得较好效果以来,采用阻化剂防止井下自然发火的矿井日渐增多,其中有褐煤矿井也有烟煤矿井。各矿采用阻化剂防火工艺过程可分为两类:一种是向氧化发热的煤体打钻孔压注阻
In the Pingzhuang coal mine in 1976, the use of retardant to prevent spontaneous combustion in some areas to obtain better results since the use of retardant to prevent underground spontaneous combustion of the growing number of mines, including brown coal mines also have bituminous coal mines. The mine using retardant fire retardant process can be divided into two categories: one is to oxidize the heat of coal drilling pressure injection resistance