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抚顺老虎台矿-580m 东第5探巷,于1981年9月2日6点30分,发生一起重大的自然发火事故。这次自然发火事故的原因是:东第5探巷有一处30m 长的旧砂旋,该砂旋没充满,砂旋高顶浮煤长期氧化并受附近抽放瓦斯钻孔负压作用而发火。日常检查无预兆,检查发现此处着火就浓烟滚滚,火区内有抽放瓦斯钻孔和一趟抽放瓦斯管路,钻孔涌出瓦斯也在助燃,增大了灾害威胁。火势以20.8m/h 的速度继续蔓延,在此情况
Fushun Tiger Station -580m East fifth exploration Lane, at 6:30 on September 2, 1981, a major spontaneous fire accident. The reason for this spontaneous fire accident was that there was a 30-m-long old sand swirl in the No. 5 exploration roadway, which was not full, the sand-swirling high-top floating coal was oxidized for a long time and became angry by the negative pressure of nearby drainage gas drilling holes . Daily inspections without warning, the inspection found that there is smoke on the billowing billowing, the fire area has drained gas drilling and a drainage gas pipeline, gushed borer gas is also supporting combustion, increasing the threat of disasters. Fire continues to spread at a rate of 20.8m / h, in this case