中北大学学报（自然科学版）Issue(4)：449-452,4.DOI:10.3969/j.issn.1673-3193.2014.04.017
水平管道内甲烷-煤尘混合爆炸压力的研究
Study on Methane-Coal Dust Explosion Pressure in a Horizontal Pipeline
摘要
Abstract
In order to research the effect of methane-coal dust mix explosion in a horizontal pipe ,and control gas-methane explosion in mine ,an experimental research was carried out to have an insight to the change of explosion pressure on different methane-coal dust concentration ,and coal dust particle size by using an autono-mous horizontal pipeline gas-dust explosion experimental device .The results show that the maximum explo-sion pressure increases firstly and then decreases with the addition of methane-coal dust concentration ,and the explosion pressure reach maximum when the methane-coal dust concentration is 5% methane and 400 g/m3 coal dust concentration ;Different methane-coal dust concentration has different maximum explosion pressure , the grow th and decline of maximum explosion pressure have significant differences ,the greatest one is 42%and 52 % respectively ;The relationship between coal dust particle size and explosion pressure linearly decreas-es .In the range of 43 ~ 125 μm ,the larger coal dust particle size is ,the smaller explosion pressure is .关键词
甲烷/煤尘/爆炸压力/煤尘粒径Key words
methane/coal dust/explosion pressure/coal dust particle size分类
矿业与冶金引用本文复制引用
游天龙,谭迎新,许航..水平管道内甲烷-煤尘混合爆炸压力的研究[J].中北大学学报（自然科学版）,2014,(4):449-452,4.基金项目
山西省国际合作计划项目 （）
