煤矿安全2018，Vol.49Issue(4)：72-74,3.DOI:10.13347/j.cnki.mkaq.2018.04.019
无煤柱开采条件下的易自燃煤层防灭火技术
Fire Preventing and Extinguishing Technology Under Condition of No Pillar Mining in Easy Spontaneous and Combustion Coal Seam
张永明 1王刚 1陈宝义1
作者信息
- 1. 煤科集团沈阳研究院有限公司,辽宁 抚顺 113122
- 折叠
摘要
Abstract
Taking Ⅱ 020802 working face of Wulan Coal Mine as an example, we research the fire prevention technology of easy spontaneous combustion coal seam under the condition of no pillar mining. We obtained coal seam spontaneous combustion characteristic parameters of Ⅱ 020802 working face by experiment, and found the support stress characteristics, fracture development and air leakage path of coal rock mass with no pillar mining on the basis of theoretical analysis. In the process of mining, coal mine, taking the stereoscopic monitoring as the main method and assisting targetedly by plugging, grouting, nitrogen injection as well as the implementation of high -level drilling steam fog inhibitor, uses comprehensive fire prevention measures according to the actual situation to smoothly ensure safety of working face.关键词
自然发火/无煤柱开采/支撑应力/立体监测/高位钻孔/阻化剂Key words
spontaneous combustion/no pillar mining/support stress/stereoscopic monitoring/high-level drilling/inhibitor分类
矿业与冶金引用本文复制引用
张永明,王刚,陈宝义..无煤柱开采条件下的易自燃煤层防灭火技术[J].煤矿安全,2018,49(4):72-74,3.
