Journal of Hebei University of Water Resources and Electric Engineering

Journal of Hebei University of Water Resources and Electric Engineering ›› 2022, Vol. 32 ›› Issue (3): 7-13.DOI: 10.16046/j.cnki.issn2096-5680.2022.03.002

• Column on Water Conservancy Engineering and Water Conservancy Informatization • Previous Articles     Next Articles

Study on the Evolution of Underground Reservoir Seepage in Coal Mine

HUANG Hui1, WANG En-zhi2, LIU Xiao-li2, LI Xiao-long1, HU Xiao-long1   

  1. 1. Lingxin Coal Mine, CHN Energy Ningxia Coal Industry Co., Ltd., 751410, Lingwu, Ningxia, China;
    2. State Key Laboratory of Hydroscience and Hydropower Engineering, Tsinghua University, 100084, Beijing, China
  • Received:2022-05-17 Revised:2022-07-21 Online:2022-09-30 Published:2023-10-26

煤矿地下水库渗流场演化规律分析

黄辉, 王恩志, 刘晓丽, 李小龙, 虎晓龙   

  1. 1.国家能源集团宁夏煤业有限责任公司灵新煤矿,宁夏灵武市磁堡镇黎家新庄 751410;
    2.清华大学水沙科学与水利水电工程国家重点实验室,北京市海淀区清华园1号 100084
  • 通讯作者: 刘晓丽(1978-),男,山东泰安人,研究员,主要从事水岩耦合作用及地下工程方面的教学和科研工作,E-mail:xiaoli.liu@tsinghua.edu.cn
  • 作者简介:黄 辉(1984-),男,宁夏中宁人,高级工程师,主要从事煤矿生产与管理等方面的工作。E-mail:hui.huang@ceic.com
  • 基金资助:
    宁夏回族自治区重点研发计划项目(2018BCG01003);国家自然科学基金面上项目(52079068)

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Abstract: Mining underground causes the deformation and damage of overburden strata, and changes the original runoff of groundwater. Construction of underground reservoir in the goaf can not only protect the loss of groundwater resources, but also reduce the pollution of high salinity mine water to the ecological environment. In this paper, the self-developed simulation software is used to simulate the change of ground water in the mining process, and explore the evolution of seepage field in coal mine underground reservoir. Moreover, the safety of underground reservoir under different working conditions is revealed. The results can predict the flow characteristics of groundwater and provide theoretical support and technical guidance for groundwater protection. It is an important way to realize water conservation mining and efficient utilization of unconventional water resources in ecologically fragile coal mining areas.

Key words: coal mining, rock mass deformation, underground reservoir, groundwater seepage

摘要： 煤矿的地下开采引起上覆岩体的变形、破坏,显著改变着地下水的原始径流。利用煤矿采空区修建地下水库,不仅能够保护矿区地下水资源流失,也能减小高矿化度矿井水排放对矿区生态环境的污染。文中利用自主研发的数值计算软件,模拟了煤矿工作面回采过程中地水位的变化,探究了煤矿地下水库渗流场的演化规律,揭示了不同工况下地下水库的安全性。研究结果能够预测地下水的流动特性,为地下水的保护提供理论支撑和技术指导,是实现生态脆弱煤矿区保水开采和非常规水资源的高效利用的重要途径。

关键词: 煤矿开采, 岩体变形, 地下水库, 地下水渗流

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