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一、工作面概况及自然发火情况芙蓉煤矿上平峒6415采煤工作面于1983年8月发生一次自然发火事故。简要介绍如下。6415采煤工作面位于上平峒一盘区东翼中部 B_2煤层内,煤层倾角7°～9°,工作面走向长270m,倾斜长90m。工作面之上的B_3、B_4、C_5煤层工作面均已回采。B_2与 B_3煤层之间距平均一米。芙蓉煤矿属高硫无烟
First, the general situation of the face and natural fire situation Furong Coal Mine Pingdingshan 6415 coal mining face in August 1983 a spontaneous fire accident. Brief introduction is as follows. The 6415 coal mining face is located in the B_2 coal seam in the central part of the east wing of a plateau in the upper part of Pingdingshan. The coal seam dip angle is between 7 ° and 9 °. The working face is 270m long and the slope is 90m long. B_3, B_4 and C_5 coalface above working face have been recovered. The interval between B_2 and B_3 is one meter on average. Furong Coal Mine is a high sulfur smoke-free