急倾斜煤层内巷道自然发火原因及对策  

Cause of Spontaneous Combustion in Coal Roadway in Steep Seam and Prevention Measures

作　　者：王海东 

机构地区：[1]窑街煤电有限责任公司天祝煤矿,甘肃兰州733211

出　　处：《矿业安全与环保》2003年第b06期99-100,102,共3页Mining Safety & Environmental Protection

摘　　要：结合窑街矿区急倾斜特厚煤层放顶煤开采的实践,对工作面两端巷道自然发火的原因及规律进行了探讨和分析,介绍了几种实用的防灭火技术和措施,并提出了在开采设计和技术管理中应注意的几个问题。In this paper, the author makes inquiry and analysis on the cause and law of spontaneous combustion at the roadway ends of the working face according to the caving mining practice of extra-thick steep seam in Yaojie Coal Mining Area, describes several practical fire prevention and control techniques and measures and poses several matters for attention in mining design and technical management.

关 键 词：急倾斜煤层 巷道 自然发火 煤体裂隙 发火期 顶板 直接灭火法 喷浆封闭法 包帮封顶注浆法 阻化剂防火法 预防措施 

分 类 号：TD752.2[矿业工程—矿井通风与安全]