丰城矿区煤与瓦斯动力灾害分析及对策.pdfVIP

Vol郾43 No郾1 矿业安全与环保 第43卷摇 第1期 Feb郾2016 摇 摇 摇 摇 摇 摇 摇 摇 摇 MINING SAFETY ENVIRONMENTAL PROTECTION摇 摇 摇 摇 摇 摇 摇 2016年2月 王中华,孟贤正,陈国红.丰城矿区煤与瓦斯动力灾害分析及对策[J].矿业安全与环保,2016,43(1):104-107. 文章编号:1008-4495(2016)01-0104-04 丰城矿区煤与瓦斯动力灾害分析及对策 1,2 1,2 1,2 王中华 ,孟贤正 ,陈国红 (1.瓦斯灾害监控与应急技术国家重点实验室,重庆400037;2. 中煤科工集团重庆研究院有限公司,重庆400037) 摘要:丰城矿区煤与瓦斯动力灾害严重,开采的单一B 煤层为缓倾斜中厚煤层,瓦斯压力大、含量 4 高,煤层松软、透气性低。 根据丰城矿区的瓦斯赋存特点,统计分析了该矿区186 次突出事故的特点及 规律;针对矿区随着开采深度增加地应力主导型突出比重增大的特点,提出建立分型治灾措施,建立瓦 斯立体抽采系统,并探索使用深孔预裂爆破、顶板走向长钻孔、水力扩孔、水力压裂等新技术措施,为矿 区防治瓦斯动力灾害提供理论指导。 关键词:煤与瓦斯动力灾害;分型治灾措施;瓦斯抽采;立体抽采系统 中图分类号:TD712摇 摇 摇 文献标志码:C摇 摇 摇 网络出版时间:2016-02-02 23:12 网络出版地址:http:/ / / kcms/ detail/ 50.1062.TD2312.040.html Analysis and Countermeasures on Coal and Gas Outburst inFengcheng Coal MiningArea 1,2 1,2 1,2 WANGZhonghua ,MENGXianzheng ,CHEN Guohong (1.State Key Laboratory of Gas DisasterMonitoring and Emergency Technology,Chongqing400037,China; 2.China Coal Technology and Engineering Group Chongqing Research Institute,Chongqing400037,China) Abstract:The dynamic disasters of coal and gas outburst are serious in Fengcheng Coal Mining Area,the single B coal 4 seam being mined is a gently inclined medium-thick seam featured by high gas pressure and content,loose and low gas permeability. In this paper statistical analysis was made on the characteristics and regularity of 186 coal and gas outbursts according to the gas occurrence featur