摘要
针对金家渠煤矿首采工作面采前煤层顶板受含水层威胁,顶板涌水量大、导水裂隙带发育完全等现状,综合应用理论分析、现场实测,基于“大井法”工作面顶板动态补给量预计,分析水源、通道和强度三方面工作面充水条件,预测了工作面开采前顶板水害类型和涌水量大小,提出了以顶板水和离层水为主的“控水采煤”防控技术方案,根据矿井排供水量关系,将疏控水技术与矿井水深度处理技术相结合,实现了该矿区首采工作面顶板水害综合防治开采。
In view of the fact that the roof of the coal seam is threatened by the aquifer before mining on the first mining face of Jinjiaqu coal mine,the water inflow of the working face is large,and the water-conducting fracture zone is fully developed,combining theoretical analysis and field measurement,based on the dynamic recharge prediction of working face roof by using"big well method",three aspects of water filling condition of working face of water source,channel and intensity are analyzed,the water disaster type and size of water inflow on the roof before mining are predicted,the mainly roof abscission layer of water and water"coal mining water control in deep water disasters prevention and control technology solutions are put forward,according to the mine drainage water supply relationship,combining the scanty water control technology with the depth of the mine water treatment technology,the comprehensive prevention mining of roof water damage is realized in the first mining face of the mining area.
作者
潘长斌
吕兆海
杨皓博
高雅
林金川
靳华
李德彬
PAN Changbing;LU Zhaohai;YAO Haobo;GAO Ya;LIN Jinchuan;JIN Hua;LI Debing(NingXia Coal Industry Co.,Ltd.,National Energy Group,Ningxia,750001,China;Xiaozhuang Mining Company,BCMG,Binxian,713500,China;Northwest Mine Hydrogeology Research Institute,Wuhai,016000,China)
出处
《华北科技学院学报》
2020年第1期19-25,共7页
Journal of North China Institute of Science and Technology
关键词
充水条件
控水开采
离层水
顶板水害防治
综合防治
Water filling conditions
Water-controlled mining
Delamination of water
Prevention and control of roof water damage
Integrated Control
