煤矿安全2017，Vol.48Issue(6)：35-39,5.DOI:10.13347/j.cnki.mkaq.2017.06.010
甲烷气氛下煤低温氧化产气规律实验研究
Experimental Study on Gas Production Discipline of Coal Low Temperature Oxidation Under the Condition of Methane Atmosphere
摘要
Abstract
To research the influence of mine goaf gas and different oxygen nitrogen ratios atmosphere on coal spontaneous combustion in goaf,coal sample low temperature oxidation experiment system was established,eighteen experimental plans were designed under the condition of diffrent oxygen nitrogen ratios,and the low temperature oxidation of combustion coal samples were carried out on experiment system under eighteen types atmosphere plans.Research shows that coal sample CO initial output temperature of high oxygen nitrogen ratio is lower than that of low oxygen nitrogen ratio,and high methane concentration inhibit CO production;C2H4 production decreases with the increase of methane concentration,reduces with oxygen nitrogen ratio decrease,and methane atmosphere inhibit C2H4 production;after the inflection temperature,CO2 production rate of high oxygen nitrogen ratio and low methane concentration is higher than that of low oxygen nitrogen ratio and high methane concentration;C2H6 production reaches peak value at 160 ℃,and then begins to slow down.关键词
氧氮比/甲烷气氛/低温氧化/产气规律/自燃Key words
oxygen-nitrogen ratio/methane atmosphere/low temperature oxidation/gas production discipline/spontaneous combustion分类
矿业与冶金引用本文复制引用
余照阳,杨胜强,胡新成..甲烷气氛下煤低温氧化产气规律实验研究[J].煤矿安全,2017,48(6):35-39,5.基金项目
国家自然科学基金资助项目(51174198) （51174198）
煤炭资源与安全开采国家重点实验室自主课题资助项目(SKLCRSM11X01) （SKLCRSM11X01）
贵州省科学技术厅联合基金资助项目(黔科合LH字[2016]7461号) （黔科合LH字[2016]7461号）
