多煤层立体开采卸压影响关系量化分析  

Quantitative Analysis on Influence of Pressure Relief in Multi-seam Stereoscopic Mining

作　　者：张飞 尚玮炜 赵学良 王润超 罗华贵 ZHANG Fei;SHANG Wei-wei;ZHAO Xue-liang;WANG Run-chao;LUO Hua-gui(Technology Research Institute of Jincheng Anthracite Mining Group,Jincheng 048006,China)

机构地区：[1]山西晋煤集团技术研究院有限责任公司,山西晋城048006

出　　处：《煤炭技术》2020年第10期113-116,共4页Coal Technology

摘　　要：为准确分析晋煤集团3#、9#、15#煤立体开采耦合卸压影响关系,明确各主采煤层卸压影响范围,采集寺河二号井矿区内3#、9#、15#煤稳定采空区及正常回采工作面采空区混合瓦斯,测试各主采煤层采空区混合瓦斯组分及碳氢同位素值,并运用优化后的基于稳定碳氢同位素示踪分析五端元分源计算模型,计算出各主采煤层采空区本煤层及邻近层瓦斯来源比例,确定9#、15#煤均处于3#煤的远距离卸压影响范围内,15#煤处于9#煤底板弯曲变形带,9#煤处于15#煤采空区顶板弯曲下沉带。In order to accurately analyze the influence of pressure-relief coupling on No.3,No.9 and No.15 coal stereo mining in Shanxi Jincheng anthracite mining group Co.,Ltd.,and to define the influence range of pressure-relief in each main coal seam,collected the mixture gas in the goaf of No.3,No.9 and No.15 coal in Sihe No.2 mine area and in the goaf of normal working face is tested,and the mixture gas components and carbon and hydrogen isotope values in the goaf of each main coal seam are measured.Using the optimized five-terminal element model based on stable carbon and hydrogen isotope tracer analysis,the gas source proportion of the coal seam and the adjacent seam in the goaf of each main coal seam is calculated.It is confirmed that No.9 and No.15 coal are in the influence range of No.3 coal,No.15 coal is in the bending deformation zone of No.9 coal floor,and No.9 coal is in the bending subsidence zone of No.15 coal goaf roof.

关 键 词：多煤层 立体开采 卸压影响 采空区 瓦斯来源 稳定碳氢同位素 分源计算 

分 类 号：TD712[矿业工程—矿井通风与安全]