煤矿开采对地下水环境的影响及保护对策研究

摘要

在煤矿建设及煤炭开采过程中,由于顶板冒落、裂隙、断层及采空区等引发地表移动变形,改变了地下水的赋存环境,对地下水水质、水量及补给等产生一定影响.通过对山西某地千万吨级立井开拓矿井井田区域地下水环境现状监测及分析,根据井田构造及水文地质条件等,探讨在建设及开采过程中对地下水环境的影响,并通过研究地下水含水层、补给、径流、排泄等条件以及地下水环境质量现状,结合煤矿建设及开采过程中可能对地下水环境产生的各类影响,分析提出了相应的地下水环境保护对策.%During the construction of coal mine and coal mining process, the surface deformation caused by roof caving, fis-sures and faults and the goaf often change of groundwater environment. They have a certain impact on the groundwater quality and water supply and etc. . Through the development of mine monitoring and analysis of regional groundwater environment situation in Shanxi province tens of millions of tons of shaft, this paper explores its impact on the groundwater environment in the construction and mining process according to the minefield structural and hydrogeological conditions, through the research of the groundwater aquifer, recharge, runoff and discharge conditions and the present situation of the groundwater environmental quality. The combi-nation of all kinds of possible impacts on groundwater environment in coalmine construction and mining in the process of analysis, putting forward the corresponding countermeasures of groundwater environmental protection.