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袁堂井901采区⑤分层为3#煤层最底开采分层,由于④分层带采煤柱5 m形成的煤体破碎带,导致⑤分层轨道巷煤柱侧340#棚～360#棚出现高温、高浓度标志性气体、煤焦油味等矿井煤层自燃征兆。在分析破碎煤体空间分布、浮煤厚度以及漏风状况基础上,采取钻孔注水控制火灾进一步扩展,采用气体分析了解火灾状态,采用钻孔测温定位技术准确确定火源位置,然后通过钻孔注复合高分子材料将煤层自燃火灾彻底消除,从而保障了煤矿的安全生产。
The area of 901 in Yuantang well ⑤ stratified into the lowest strata of No. 3 coal seam and stratified because of ④ stratified coal belt formed by coal pillar 5m, resulting in ⑤ 340 # shed ~ 360 # Shed appeared high temperature, high concentrations of landmark gases, coal tar smell coal seam spontaneous combustion signs. Based on the analysis of the spatial distribution of broken coal, the thickness of the floating coal and the air leakage, a borehole water injection was used to further expand the fire control. The gas analysis was used to understand the fire status and the location of the fire source was accurately determined by drilling temperature measurement and location technology. Note composite polymer materials will be completely eliminated spontaneous combustion fire, thereby ensuring the safe production of coal mines.