寺河矿二号井高瓦斯薄煤层110工法瓦斯综合治理技术  

Gas Comprehensive Control Technology of 110 Method in High Gas Thin Coal Seam of No.2 Well in Sihe Mine

作　　者：梁谦 董锦洋 LIANG Qian;DONG Jinyang(Sihe Coal Mine No.2 well,Jinneng Holding Group;School of Safety and Emergency Management Engineering,Taiyuan University of Technology)

机构地区：[1]晋能控股集团寺河煤矿二号井,山西省晋城市048000 [2]太原理工大学安全与应急管理工程学院

出　　处：《现代矿业》2022年第2期188-191,198,共5页Modern Mining

摘　　要：防止煤矿瓦斯超限是煤矿安全生产工作的重要组成部分。山西省寺河矿二号井为高瓦斯矿井,针对97307、97308工作面沿空留巷段存在瓦斯泄露和瓦斯积聚问题,采用Y型通风方式,并通过采空区漏风防治、钻孔及埋管抽采的方式进行综合治理。结果表明:Y型通风方式使工作面上隅角瓦斯减少0.2%~0.3%,使抽采量提高25%,采空区漏风防治使漏风量从95 m^(3)/min降为55 m^(3)/min,留巷段最高瓦斯浓度从1%降为0.6%。钻孔及埋管综合抽采使最终抽采率高达55%,有效提高了瓦斯抽采量,保证安全生产。Preventing coal mine gas from exceeding the limit is an important part of coal mine safety production.No.2 well of Sihe Mine in Shanxi Province is a high gas mine.In view of the problems of gas leakage and gas accumulation in the gob-side entry retaining section of 97307 and 97308 working faces,Y-type ventilation mode is adopted,and comprehensive treatment is carried out by air leakage prevention in goaf,drilling and buried pipe drainage.The results show that the Y-type ventilation reduces the gas in the upper corner of the working face by 0.2%~0.3%,and increases the extraction rate by 25%.The air leakage prevention in the goaf reduces the air leakage from 95 m^(3)/min to 55 m^(3)/min,and the maximum gas concentration in the retained roadway section decreases from 1%to 0.6%.The comprehensive extraction of borehole and buried pipe makes the final extraction rate as high as 55%,which effectively improves the amount of gas extraction and ensures safe production.

关 键 词：瓦斯治理 高位钻孔 110 工法 

分 类 号：TD712.6[矿业工程—矿井通风与安全]