小煤窑破坏区下复采工作面自然发火隐患治理技术研究与应用  

Research and Application on Control Technology of Hidden Danger ofSpontaneous Ignition in Remining Face in Damaged Area of Small Coal Kiln

作　　者：张宏升 卢树德 ZHANG Hong-sheng;LU Shu-de(School of Resources and Environmental Engineering,Lanzhou Petrochemical University of Vocational and Technology,Lanzhou 730060,China;Wangjiashan Coal Mine Branch,Gansu Jingmei Energy Co.,LTD.,Baiyin 730913,China)

机构地区：[1]兰州石化职业技术大学资源环境工程学院,甘肃兰州730060 [2]甘肃靖煤能源有限公司王家山煤矿分公司,甘肃白银730913

出　　处：《兰州石化职业技术大学学报》2024年第2期23-27,共5页Journal of Lanzhou Petrochemical University of Vocational Technology

摘　　要：通过对小窑破坏区下东一203复采工作面自然发火情况进行分析,采用钻探技术进行验证,提出了灌浆、注氮防灭火、开区均匀技术、采空区有害气体引排泄压、加强预测预报工作及现场监督管理等防灭火技术。该综合防灭火技术应用于东一203采煤工作面,实现了工作面的安全顺利回采、回撤。Based on the analysis of the spontaneous ignition of the secondary mining face of Dong-203 in the damaged area of small kiln,and the verification by drilling technology,this paper puts forward some anti-fire technologies,such as grouting,nitrogen injection anti-fire,uniform opening area technology,harmful gas drainage pressure in goaf,strengthening prediction and prediction work,and on-site supervision and management,etc.The comprehensive anti-fire technology is applied to the mining face of Dong-203.The safe and smooth mining and withdrawal of the working face are realized.

关 键 词：复采工作面 自然发火 防灭火技术 

分 类 号：TD751[矿业工程—矿井通风与安全]