摘要
晋煤集团赵庄二号井井田划分为东、西翼两个盘区,目前主采西翼盘区。3~#煤层位于二叠系山西组下部,距顶板K砂岩、K_8砂岩裂隙含水层较近,这两层砂岩含水层是威胁工作面安全开采的主要顶板含水层。为实现煤层安全开采并改善生产环境,预测综放开采下顶板"两带"发育高度,并评价西翼盘区顶板水害的危险性,为煤层的安全开采提供可靠的依据。
The Zhaozhuang No.2 well field of Jincheng Anthracite Mining Group is divided into the east wing panel and west wing panel,and the west wing panel is mainly mined currently.The 3#coal seam is located in the lower part of the Permian Shanxi Formation,which is close to the roof K sandstone and K8 sandstone fissure aquifer.These two sandstone aquifers are the main roof aquifers that threaten the safe mining of the working face.In order to achieve safe mining of coal seams and improve the production environment,this paper predicted the development height of the"two belts"of the roof under full mechanized caving mining and evaluated the risk of roof water damage in the west wing panel,which provides a reliable basis for safe mining of coal seams.
作者
张凯
ZHANG Kai(Zhaozhuang No.2 Well Exploration Team, Jincheng Anthracite Mining Group Co., Ltd., Zhangzi 046605, Shanxi, China)
出处
《能源与节能》
2019年第4期40-42,共3页
Energy and Energy Conservation
关键词
3#煤层
顶板水
疏放水
含水层
充水性评价
3#coal seam
roof water
drainage water
aquifer
water filling evaluation
