注浆治理5.5 m大采高综采面破碎带技术工艺创新研究  

Technology innovation research on grouting treatment in fracture zone of fully mechanized face with 5.5 m large mining height

作　　者：段云龙 马志愿 张春文 武冲锋 王薛庆 Duan Yunlong;Ma Zhiyuan;Zhang Chunwen;Wu Chongfeng;Wang Xueqing(Yangquan Shangshe Coal Co.,Ltd.,Jinneng Holding Coal Group,Yangquan 045199,China;Shijiazhuang Guosheng Mining Technology Co.,Ltd.,Shijiazhuang 050035,China;Taiyuan Coal Gasification Yinying Coal Industry Co.,Ltd.,Jinneng Holding Coal Group,Taiyuan 045011,China)

机构地区：[1]晋能控股煤业集团阳泉市上社煤炭有限责任公司,山西阳泉045199 [2]石家庄国盛矿业科技有限公司,河北石家庄050035 [3]晋能控股煤业集团太原煤气化荫营煤业有限公司,山西太原045011

出　　处：《煤炭与化工》2023年第12期11-13,18,共4页Coal and Chemical Industry

摘　　要：针对上社煤炭5.5 m厚煤层一次采全高综采面揭露断层后出现不同特征的冒落空洞和片帮范围,分区域采用不同性能指标的注浆材料进行综合注浆治理,针对揭露煤层厚、采高大(≥5.5 m)、易片帮冒顶等特殊地质条件,对注浆压力等参数进行动态优化以适应大采高煤壁的特殊性,调整注浆顺序等技术参数,控制综采面灾害的延伸范围。应用结果表明,工作面煤壁完整性增强,松散煤岩体固结密实,支架顶梁快速构建了再生胶结假顶支撑层,增强了顶板再次冒落对工作面支架的破坏性冲击,为采煤机滚筒切割之后的及时移架支护作业创造安全的作业环境。该工艺推广应用前景广阔,经济效益和社会效益明显。In view of the different characteristics of caving cavity and spalling range after exposing the fault in the 5.5 m thick coal seam of Shangshe Coal,the grouting materials with different performance indexes were used for comprehensive grouting treatment in different regions.In view of the special geological conditions such as thick exposed coal seam,large mining height(≥5.5 m),easy spalling and roof fall,the grouting pressure and other parameters were dynamically optimized to adapt to the particularity of large mining height coal wall,adjust the technical parameters such as grouting sequence,and control the extension range of disasters in fully mechanized mining face.The application results showed that the integrity of the coal wall of the working face was enhanced,the loose coal and rock mass was consolidated and compacted,and the roof beam of the support quickly constructed the regenerated cemented false roof support layer,which enhanced the destructive impact of the roof re-caving on the working face support,and created a safe working environment for the timely moving support operation after the shearer drum cutting.The application prospect of this process was broad,and the economic and social benefits were obvious.

关 键 词：煤矿加固煤岩体用聚氨酯材料 厚煤层一次采全高综采面 冒顶区 注浆加固 注浆充填 

分 类 号：TD353[矿业工程—矿井建设]