复杂条件下综采工作面安全高效开采技术研究  

Research on Safe and Efficient Mining Technology of Fully Mechanized Longwall under Complicated Conditions

作　　者：张宏忠[1] 

机构地区：[1]皖北煤电集团公司,安徽宿州234000

出　　处：《安徽理工大学学报（自然科学版）》2013年第3期39-44,共6页Journal of Anhui University of Science and Technology:Natural Science

摘　　要：针对钱营孜煤矿32煤煤层赋存结构复杂、顶板为富水软厚泥岩、断层及褶曲构造带较多等复杂工程地质条件,在分析部署安全高效工作面难点的基础上,提出钱营孜煤矿"一矿一面唯一型"安全高效开采模式,确定3213工作面为超长(287 m)大推进度(3 354 m)工作面并采用安全高效、可靠性较高的大功率综采工艺,制定包括超长工作面矿压规律研究、大推进度回采巷道围岩稳定控制和瓦斯治理以及安全辅助运输保障在内的安全高效开采保障技术体系,取得了良好的效果:提高了工作面生产效率及回采率,新增大量产值,给企业和社会带来了巨大的经济和社会效益。According to the complex engineering geological conditions of 32 coal seam’s complex occurrence, roof of water-rich soft thick mudstone , many faults and folds in Qianyingzi Coal Mine , on the basis of analysis of difficult aspects in safe and efficient mining face deployment ,“one mine, one face, unique type” safe and effi-cient mining model was proposed .Length of overlong longwall 3213 was determined as 287 m and large distance ming on the strik as 3 354 m, safe and efficient , high-power fully mechanized mining process of high reliability was adopted , with safe and efficient exploitation guarantee technology system including strata pressure regularity study for overlong longwall mining , stability control of rocks surrounding roadways for large distance mining on the strike , gas control and auxiliary transport safety ensurance .By the method good results were obtained , im-proving the mine face production efficiency and mining rate , adding large new output value , bringing great eco-nomic and social benefits for the enterprise .

关 键 词：复杂地质条件 安全高效开采模式 超长工作面 

分 类 号：TD823[矿业工程—煤矿开采]