复合顶板煤层采空区自燃“三带”划分技术研究  

Research on Division Technology of"Three Zones"of Spontaneous Combustion in Goaf of Composite Roof Coal Seam

作　　者：高翔 吕士磊 陆春辉 罗勇 余国锋[1,2] 肖殿才 任帅 GAO Xiang;LYU Shilei;LU Chunhui;LUO Yong;YU Guofeng;XIAO Diancai;REN Shuai(State Key Laboratory of Deep Coal Safety Mining and Environmental Protection,Huainan Mining(Group)Co.,Ltd.,Huainan 232000,China;Ping'an Coal Mining Engineering Technology Research Institute Co.,Ltd.,Huainan 232000,China;Ping'an Coal Mine Gas Control National Engineering Research Center Co.,Ltd.,Huainan 232000,China)

机构地区：[1]淮南矿业(集团)有限责任公司深部煤炭安全开采与环境保护全国重点实验室,安徽淮南232000 [2]平安煤炭开采工程技术研究院有限责任公司,安徽淮南232000 [3]平安煤矿瓦斯治理国家工程研究中心有限责任公司,安徽淮南232000

出　　处：《煤炭技术》2025年第1期131-134,共4页Coal Technology

基　　金：安徽省自然科学基金(2008085ME145,2108085QE209)。

摘　　要：针对泊江海子矿113107工作面侏罗系复合顶板易掉顶和暴露煤线,遗煤氧化可能导致煤层自燃的问题,综合运用实验室实验、现场监测和数值模拟等方法,对113107工作面采空区自燃“三带”及防灭火技术进行了研究。研究得到了煤自然发火标志气体及临界值,为煤层自然发火预测提供了预警指标;确定了113107工作面采空区自燃“三带”分布范围;为类似工程的防灭火安全技术研究提供了参考。In response to the problem of Jurassic composite roof easily falling off and exposing coal lines in the 113107 working face of Bojianghaizi mine,and the possibility of coal seam spontaneous combustion caused by residual coal oxidation,laboratory experiments,numerical simulations,and onsite monitoring methods were comprehensively used to study the"three zones"of spontaneous combustion and fire prevention and extinguishing technology in the goaf of 113107 working face.The research has obtained the indicator gas and critical value of coal spontaneous combustion,providing early warning indicators for predicting coal seam spontaneous combustion;The distribution range of the"three zones"of spontaneous combustion in the goaf of working face 113107 has been determined;providing a reference for the research of fire prevention and control safety technology in similar projects.

关 键 词：自燃煤层 数值模拟 标志气体 自燃“三带” 

分 类 号：TD75[矿业工程—矿井通风与安全]