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通过分析急倾斜煤层水平分段综放开采后围岩破坏、移动规律,利用SF6示踪气体检测,得出阿刀亥煤矿井上下漏风规律,结果表明:急倾斜煤层采空区自燃火区呈立体蔓延趋势,进而发展为立体火区,该结果为制定急倾斜煤层采空区自燃火灾防治方案提供科学依据。
Through the analysis of surrounding rock failure and movement rules after horizontal section fully mechanized top coal caving mining in steep inclined seam and using SF6 tracer gas detection, the law of air leakage above and below Adahai coal mine was obtained. The results show that the spontaneous combustion zone Three-dimensional trend of spread, and then developed into a three-dimensional fire zone, the results provide a scientific basis for the development of spontaneous combustion fire prevention and control program of goafs in steep coal seam.