邻近层影响下综采工作面瓦斯抽采技术实践  

Practice of Gas Drainage Technology in Fully Mechanized Mining Face under the Influence of Adjacent Strata

作　　者：田泽云 Tian Zeyun(Zhenchengdi Mine of Xishan Coal Power(Group)Co.,Ltd.,Shanxi Taiyuan 030200)

机构地区：[1]西山煤电(集团)有限责任公司镇城底矿通风科,山西太原030200

出　　处：《山东煤炭科技》2021年第9期104-106,共3页Shandong Coal Science and Technology

摘　　要：针对综采工作面顶、底板近距离范围内煤层多,工作面开采时邻近层瓦斯涌出影响大的问题,结合镇城底矿22213工作面实际条件,通过本煤层钻孔预抽、顶板裂隙带钻孔抽采和上隅角抽采相结合的方法治理综采工作面瓦斯。经综合抽采后,工作面煤体瓦斯抽采率达到52%,回采过程中瓦斯涌出稳定,上隅角未出现瓦斯超标现象,确保了安全生产。In view of the large number of coal seams in the close range of the top and bottom of the fully mechanized mining face and the great influence of the gas emission from the adjacent layers during the mining of the working face,combined with the actual conditions of the 22213 working face of Zhenchengdi Mine,the gas in the fully mechanized mining face is controlled by the combination of drilling pre drainage of this coal seam,drilling drainage of roof fracture zone and upper corner drainage.After comprehensive extraction,the gas extraction rate of coal body in the working face reaches 52%,the gas emission is stable in the mining process,and there is no gas exceeding the standard in the upper corner,ensuring safe production.

关 键 词：邻近层 瓦斯涌出 本煤层预抽 顶板钻孔 

分 类 号：TD712.6[矿业工程—矿井通风与安全]