陕西煤炭2026，Vol.45Issue(4)：55-59,5.DOI:10.20120/j.cnki.issn.1671-749x.2026.0410
祁东煤矿82煤层自燃标志气体优选及临界值确定研究
Optimization and critical value determination of spontaneous combustion marker gas in Qidong Coal Mine's 82 coal seam
邹军 1胡云强1
作者信息
- 1. 安徽恒源煤电股份有限公司,安徽淮北 234000
- 折叠
摘要
Abstract
In this paper,the spontaneous combustion marker gas and its critical value in the 82 coal seam of Qidong Coal Mine are studied.The 82 coal seam has a strong tendency to spontaneous combustion,and the geological conditions are com-plex,and the hydrogeological conditions have an impact on the monitoring of spontaneous combustion.Through the standard-ized temperature rise experiment,it was found that the concentrations of CO and C2H4 gases increased significantly with the increase of coal temperature,which could be used as key marker gases.CH4,C2H6 and C2H4 are directly related to the in-crease of coal temperature,and the detection of C2H8 indicates that the coal temperature exceeds 110 ℃,which can be used as an early warning reference.No C2H2 was detected in the experiment,which is speculated to be related to the experimental conditions and the characteristics of the coal sample.The study provides a scientific basis for the risk assessment and pre-ventive measures of spontaneous combustion in Qidong Coal Mine.关键词
祁东煤矿/标志气体优选/临界值确定/煤自燃Key words
Qidong Coal Mine/marker gas optimization/critical value determination/coal spontaneous combustion分类
矿业与冶金引用本文复制引用
邹军,胡云强..祁东煤矿82煤层自燃标志气体优选及临界值确定研究[J].陕西煤炭,2026,45(4):55-59,5.
