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根据炭窑坪煤业现场实践和理论分析,阐述了位于10#煤层运输大巷遇到地质变化带时的瓦斯管理及治理技术的基本方法。10#煤层运输大巷遭遇地质构造时,位于临近层的瓦斯由顶板裂隙导入工作面,造成工作面瓦斯异常的情况。该矿采取低位注浆封堵、高位打孔抽放的措施进行治理,有效保证了工作面循环作业的正常进行。
According to the site practice and theoretical analysis of charcoal kiln coal industry, the basic methods of gas management and treatment technology when the transportation lanes in 10 # coal seam meet the geological change zone are expounded. When the geological structure of 10 # seam roadway was encountered, the gas in the adjacent layer was introduced into the work face through the crack in the roof, resulting in abnormal gas in the work face. The mine to take the low grouting block, high drilling and drainage measures for governance, effectively ensure the normal face cycle work.