“双碳”背景下浅部煤层瓦斯赋存特征及治理分析——以阳泉矿区白羊岭煤矿为例  

Analysis of gas occurrence characteristics and control in shallow coal seam under the background of"Double Carbon":a case study of Baiyangling Coal Mine in Yangquan Mining Area

作　　者：朱炎铭[1] 王猛[1] 张泽宇 马如英 张书雪 单雅迪 闫一超 ZHU Yan-ming;WANG Meng;ZHANG Ze-yu;MA Ru-ying;ZHANG Shu-xue;SHAN Ya-di;YAN Yi-chao(Key Laboratory of Coalbed Methane Resource&Reservoir Formation Process,Ministry of Education,China University of Mining&Technology,Xuzhou 221008,China;Shanxi Xinyuan Coal Co.,Ltd.,Jinzhong 045400,China;School of Energy Resources,China University of Geosciences,Beijing 100083,China;Shanxi Lu′an Taihang Lubrication Technology Co.,Ltd.,Changzhi 046000,China)

机构地区：[1]中国矿业大学煤层气资源与成藏过程教育部重点实验室,江苏徐州221008 [2]山西新元煤炭有限责任公司,山西晋中045400 [3]中国地质大学(北京)能源学院,北京100083 [4]山西潞安太行润滑科技股份有限公司,山西长治046000

出　　处：《煤炭科技》2022年第4期10-18,共9页Coal Science & Technology Magazine

基　　金：国家自然科学基金重点项目(42072199)。

摘　　要：煤矿浅部煤层瓦斯的综合治理与利用,对实现“碳达峰、碳中和”具有重要意义。以阳泉矿区白羊岭煤矿为研究对象,基于瓦斯含量、涌出量数据分析,对15号浅部煤层瓦斯赋存特征与治理开展研究。结果表明,从井田西北向南东方向,15号煤层瓦斯含量表现为先减小再增大的趋势,局部地区瓦斯含量较低;矿井绝对瓦斯涌出量82.20 m^(3)/min、相对瓦斯涌出量37.16 m^(3)/t,其预测值呈现自东南向西北逐渐增大的趋势;煤层埋深、顶底板岩性及构造位置控制着瓦斯赋存,断层和陷落柱发育破坏了煤层和盖层的连续性和致密性,导致了瓦斯的逸散,而宽缓背斜核部瓦斯富集;提出了高浓度瓦斯的精准抽采利用,低浓度瓦斯的监测和利用,加快远程性、区域性、智能性的瓦斯监测、开采、防治工作,以及加强绿色矿山修复和建设4项煤层瓦斯综合开采利用要点。Comprehensive control and utilization of gas in shallow coal seam is of great significance to achieve"carbon peaking and carbon neutrality".Based on the data analysis of gas content and gas emission quantity,the gas occurrence characteristics and control of No.15 shallow coal seam in Baiyangling Coal Mine are investigated.The results show that from the northwest to the southeast of the mine field,the gas content of the No.15 coal seam shows a trend of first decreasing and then increasing,and the gas content in some areas is relatively low.The absolute and relative outflows of methane are considerable,82.20 m^(3)/min and 37.16 m^(3)/t,respectively,and their predicted values show a trend of increasing gradually from southeast to northwest.The burial depth of the coal seam,the lithology of the roof and floor,and the structural position control the occurrence of gas.The development of faults and collapse columns destroys the continuity and compactness of the coal seam and the caprock,leading to the escape of gas,while the gas is enriched in the core of the broad anticline.Hence,in this article,the four points of comprehensive mining and utilization of coal seam gas are put forward:accurate extraction and utilization of concentrated gas;monitor and utilization of low-concentration gas;accelerating remote,regional,and intelligent gas monitoring,mining,prevention,and control;and strengthening green mine restoration and construction in coal mining areas.

关 键 词：瓦斯赋存 控制机理 瓦斯治理 白羊岭煤矿 

分 类 号：TD712.6[矿业工程—矿井通风与安全]