煤矿安全2017，Vol.48Issue(10)：24-27,4.DOI:10.13347/j.cnki.mkaq.2017.10.007
水分对受载原煤瓦斯解吸影响的实验研究
Experimental Study on Effect of Moisture on Gas Desorption of Loaded Raw Coal
摘要
Abstract
To study the influence laws of moisture on coal seam gas flow,taking raw coal samples in Zhaogu Mine of Jiaozuo Mining Area as the experimental object,we use thermofluid-solid coupled experiment to complete methane desorption experiment of loaded raw coal with the moisture content of 0.9％,1.5％,2.2％,3.3％ respectively under different gas pressure conditions.The experimental results show that the cumulative gas desorption capacity of the loaded raw coal in 100 min is linearly decreased with the increase of moisture when the moisture content is less than 3.3％;the desorption velocity index and the gas desorption velocity at 1 min is decreased when the moisture of the loaded raw coal is increased;the trend of attenuation of gas desorption velocity decreases,and gas desorption is more stable,and the possibility of coal and gas outburst at working face is reduced.关键词
受载原煤/瓦斯解吸/水分/影响规律/煤与瓦斯突出Key words
loaded raw coal/methane desorption/moisture/influence law/coal and gas outburst分类
矿业与冶金引用本文复制引用
王春霞,艾德春,杨付领..水分对受载原煤瓦斯解吸影响的实验研究[J].煤矿安全,2017,48(10):24-27,4.基金项目
采矿工程省级特色重点学科资助项目(黔学位合字ZDXK[2015]9号) （黔学位合字ZDXK[2015]9号）
贵州省科学技术联合基金资助项目(黔科合J字LKLS[2013]16号) （黔科合J字LKLS[2013]16号）
贵州省矿山压力与岩层控制工程中心资助项目(黔教合KY字[2012]027号) （黔教合KY字[2012]027号）
