地下煤矿存在着大量的可燃物 ,存在各种火源和潜在引发火灾的因素 ,并且新鲜空气被源源不断地送到 (矿井 ) ,这些因素的综合作用 ,使得地下煤矿火灾始终对矿工安全和矿井正常生产构成威胁。重大矿井火灾常产生灾难性后果 ,包括矿井被迫封闭、生产能力下降、矿藏资源遭受破坏等 There are a large number of underground coal mine combustible material, there are a variety of fire and potential fire-causing factors, and fresh air is continuously sent to (mine), the combined effect of these factors, making the underground coal mine fire has always been mine safety and mine Normal production poses a threat. Major mine fires often have catastrophic consequences, including forced closure of mines, reduced productivity, destruction of mineral resources, etc.