高瓦斯强冲击无煤柱综放开采防火技术研究

Study on Fire Prevention Technology of High-gas,Strong-impact, and No Pillar on Fully Mechanized Caving Mining

针对兴安煤矿高瓦斯、强冲击地压、易自燃煤层、段间无煤柱、多手段抽采瓦斯综放开采的情况,采取加强观测与预报,科学确定工作面推进速度和风量,科学确定注氮量和注氮时间,积极预防等综合防火措施,取得了显著治理效果。

Xing＇an Colliery as an example,the paper introduces the fire prevention and control technology of high gas,strong rock burst and spontaneous combustion coal seam with fully mechanized top-coal caving in the condition of adopting multiple measures of gas drainage,impingement restriction,non-coal pillar and spontaneous combustion by research,computer simulation and experiment.The application of this technology has achieved significant effects of coupling disaster management,reduced the cost of disaster prevention and improved the ability of prevention,disaster resistance and disaster prevention,which provides analogy and reference for natural fire prevention of similar mine and is of great significance for ensuring safety and efficient production of coal mine.