METHOD OF LOCATING COAL SELF-HEATING FOCUS IN COAL MASS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to coal industry and is u0434u043bu00a0 prevention of endogenous fires in mines. the purpose of the u0440u0430u0437u0432u0438u0442u0438u00a0 hearth u0441u0430u043cu043eu043du0430u0433u0440u0435u0432u0430u043du0438u00a0 u0443u0433u043bu00a0. the design and u0438u0437u043cu0435u0440u00a0u044eu0442 temperature of air. with the development u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 heat transfer coefficient and the coefficient of thermal conductivity u0443u0433u043bu00a0.u0438u0437u043cu0435u0440u00a0u044eu0442 u0438u0437u043bu0443u0447u0430u0442u0435u043bu044cu043du0443u044e ability u0443u0433u043bu00a0, power flow with wall heat u0438u0437u043bu0443u0447u0435u043du0438u00a0 formulation. in this u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 position point where power u0438u0437u043bu0443u0447u0435u043du0438u00a0 u043cu0430u043au0441u0438u043cu0430u043bu044cu043du0430 and u0440u0430u0441u0441u0442u043eu00a0u043du0438u0435 from her to the point where the power u0438u0437u043bu0443u0447u0435u043du0438u00a0 is equal to half the maximum values s. after the temperature in the furnace u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 u0441u0430u043cu043eu043du0430u0433u0440u0435u0432u0430u043du0438u00a0 mathematical formula.the comparison of the temperature in the furnace u0443u0433u043bu00a0 u0441u0430u043cu043eu043du0430u0433u0440u0435u0432u0430u043du0438u00a0 with temperatures u0432u043eu0437u0433u043eu0440u0430u043du0438u00a0 and u0432u043eu0441u043fu043bu0430u043cu0435u043du0435u043du0438u00a0 u0443u0433u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 stage u0440u0430u0437u0432u0438u0442u0438u00a0 hearth u0441u0430u043cu043eu043du0430u0433u0440u0435u0432u0430u043du0438u00a0 u0443u0433u043bu00a0. at a temperature above the temperature in the furnace u0432u043eu0437u0433u043eu0440u0430u043du0438u00a0, but below the temperature u0432u043eu0441u043fu043bu0430u043cu0435u043du0435u043du0438u00a0, hearth u0441u0430u043cu043eu043du0430u0433u0440u0435u0432u0430u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 was u0441u0430u043cu043eu0432u043eu0437u0433u043eu0440u0430u043du0438u00a0 u0443u0433u043bu00a0. the temperature in the furnace temperature and more u0432u043eu0441u043fu043bu0430u043cu0435u043du0435u043du0438u00a0 u0438u043cu0435u0435u0442u0441u00a0 developed endogenous fire.