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- W2387366757 abstract "The paper introduces the collection of coal sample of 17# coal seam in Dongrong 2~(nd) coal mine and the use of XKIII spontaneous combustion experimental apparatus of coal low-temperature for testing and simulating heat dissipation,leakage and height of remain coal on the spot,variation law of oxygen consumption velocity,rate of CO production,rate of CO_2 production,exothermic strength and limit parameters of coal spontaneous combustion with coal temperature going up are obtained by relying on ascension temperature of oxidation exothermic by coal itself,the characteristic of low-temperature oxidation exothermic of coal is studied,and critical temperature,dry temperature,the shortest spontaneous combustion period of experiment and spontaneous combustion tendency of coal are forecasted.The experiment shows that the shortest spontaneous combustion period is 46 d in the case of the starting temperature of coal sample of 20℃;the remain coal is not subject to the spontaneous combustion in the case of critical temperature of 60～75℃、the dry temperature of 90～110℃、the remain coal height of less than 0.7 m and the lower limit oxygen concentration of about 60℃." @default.
- W2387366757 created "2016-06-24" @default.
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- W2387366757 date "2006-01-01" @default.
- W2387366757 modified "2023-09-23" @default.
- W2387366757 title "Experiment of coal spontaneous combustion tendency of Dongrong 2~(nd) coal mine" @default.
- W2387366757 hasPublicationYear "2006" @default.
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