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REN Jiangpeng. Experimental Study on Mark Gas of Spontaneous Combustion in No. 11 Coal Seam of Baozigou Mine[J]. Safety in Coal Mines, 2018, 49(7): 16-18,23.
Citation: REN Jiangpeng. Experimental Study on Mark Gas of Spontaneous Combustion in No. 11 Coal Seam of Baozigou Mine[J]. Safety in Coal Mines, 2018, 49(7): 16-18,23.
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Experimental Study on Mark Gas of Spontaneous Combustion in No. 11 Coal Seam of Baozigou Mine

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  • Published Date: July 19, 2018
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  • In order to do a better job for prevention and control of coal spontaneous combustion in Baozigou Coal Mine, the article analyzes the experimental data of spontaneous combustion, studies the laws and characteristics of coal spontaneous combustion in Baozigou Coal Mine, analyzes and optimizes the mark gas, and determines the critical oxygen concentration for coal spontaneous combustion. The results show that the critical temperature of CO, C2H4 and C3H6 gas is at 62 ℃, 165 ℃ and 220 ℃, respectively. CO can be used as the mark gas for predicting coal spontaneous combustion, and the critical oxygen concentration of coal spontaneous combustion is 7.0%.
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    • References (12)
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