Liu Yuanyi, Li Wenguang, Tan Houzhang, Zhang Lan, Wang Xuebin. Experimental study on deflagration parameters of dust-CO/H2 hybrid mixture[J]. Explosion And Shock Waves, 2017, 37(2): 215-220. doi: 10.11883/1001-1455(2016)05-0215-06
Citation:
Liu Yuanyi, Li Wenguang, Tan Houzhang, Zhang Lan, Wang Xuebin. Experimental study on deflagration parameters of dust-CO/H2 hybrid mixture[J]. Explosion And Shock Waves, 2017, 37(2): 215-220. doi: 10.11883/1001-1455(2016)05-0215-06
Liu Yuanyi, Li Wenguang, Tan Houzhang, Zhang Lan, Wang Xuebin. Experimental study on deflagration parameters of dust-CO/H2 hybrid mixture[J]. Explosion And Shock Waves, 2017, 37(2): 215-220. doi: 10.11883/1001-1455(2016)05-0215-06
Citation:
Liu Yuanyi, Li Wenguang, Tan Houzhang, Zhang Lan, Wang Xuebin. Experimental study on deflagration parameters of dust-CO/H2 hybrid mixture[J]. Explosion And Shock Waves, 2017, 37(2): 215-220. doi: 10.11883/1001-1455(2016)05-0215-06
In the present work, we carried out an experimental study of the influence of the coal dust categories, concentration and particle size on the coal dust-CO/H2 hybrid mixture's deflagration characteristics in a semi-open environment. The results indicate that the influence of the dust on the hybrid mixture's deflagration is mainly the outcome of the competitive relation between two opposite effects, the heat absorption for volatile releasing and the reaction of the released volatile. For the high volatile coal dust, the deflagration reaction of the released volatile dominates, which makes the deflagration severity gradually rise with the rising of the volatile content; while for the low volatile coal dust, the heat absorption for the volatile dominates, which reduces the deflagration severity. For bitumite like the Yinbei coal, with the increase of the dust concentration, the deflagration severity varies with a U-shaped tendency, while for the coke dust with a low volatile content, the change of the deflagration severity with the dust concentration is not obvious.
Wang Yude, Qu Zhiming. Experimental study of the impact of coal dust concentration and particles on combustion and explosion characteristic[J]. China Mining Magazine, 2013, 22(8):136-140. doi: 10.3969/j.issn.1004-4051.2013.08.034
Liu Yi, Sun Jinhua, Chen Dongliang, et al. On lower limit of explosive coal dust in coal dust mixture with methane[J]. Journal of Safety and Environment, 2007, 7(4):129-131. doi: 10.3969/j.issn.1009-6094.2007.04.033
Zhang Yinhe, Zhang Yansong, Ren Jianxi. The study on the influence of coal dust on deflagration of low concentration methane[J]. Mining Safety & Environmental Protection, 2007, 33(6):20-21. http://cdmd.cnki.com.cn/Article/CDMD-10145-1016011559.htm
[7]
Khalil Y F. Experimental investigation of the complex deflagration phenomena of hybrid mixtures of activated carbon dust/hydrogen/air[J]. Journal of Loss Prevention in the Process Industries, 2013, 26(6):1027-1038. doi: 10.1016/j.jlp.2013.03.006
[8]
Castellanos D, Carreto-Vazquez V H, Mashuga C V, et al. The effect of particle xize polydispersity on the explosibility characteristics of Aluminum dust[J]. Powder Technology, 2014, 254:331-337. doi: 10.1016/j.powtec.2013.11.028
Hu Shuangqi, Jin Riya, Tan Yingxin. Study on the explosive characteristics of super fine coal dust in tube[J]. Journal of North University of China (Natural Science Edition), 2008, 29(3):228-231. doi: 10.3969/j.issn.1673-3193.2008.03.009
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