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根据采空区浮煤氧化自燃过程的主要影响因素，建立了采空区温度分布的数学模型，计算分析了采空区浮煤温度分布随工作面推进速度的变化规律，确定了工作面的最小推进速度．并用ＦＯＲＴＲＡＮ语言编程，在微机上成功地模拟了忻州窑矿８９１６综放面采空区自然发火的动态变化情况
According to the main influence factors of spontaneous combustion process of floating coal in goaf, a mathematic model of temperature distribution in goaf was established. The variation law of temperature distribution of floating coal in goaf with the advancing speed of working face was calculated and the minimum working face Advancing speed. And the program of FORTRAN language was used to simulate the dynamic change of spontaneous combustion in 8916 fully mechanized top-coal caving face in Xinzhouyao coal mine successfully.