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江苏省徐州市是严重缺水城市之一。随着国民经济的迅猛发展和人民生活水平的提高及卫生条件的不断改善,供水不足的矛盾日益突出。煤矿企业缺水问题一相当严重,但每天都有大量的矿井水排到矿外,即浪费宝贵的地下资源,又对矿区周边水环境构成一定的污染。大刘煤矿开采山西组9号煤采用疏水降压,防治底板太原组灰岩岩溶承压水,把疏水钻孔排出的水量综合利用,选择优化方案,建立了矿区工业生活用水系统,经过多年供水,效果良好。
Xuzhou City, Jiangsu Province, is one of the serious water-scarce cities. With the rapid development of the national economy and the improvement of people’s living standards and the continuous improvement of sanitary conditions, the contradiction between the shortage of water supplies has become increasingly prominent. A serious problem of water shortage in coal mining enterprises, but every day a large number of mine water discharged to the mine, that is, waste of valuable underground resources, but also on the surrounding water environment constitutes a certain pollution. Coal mining in Shanxi No. 9 coal mine using Hydrophobic step-down, prevention and control of the floor of the Taiyuan limestone karst confined water, the drainage of water from the comprehensive utilization of drilling, selection optimization program, the establishment of mining industrial water systems, after years of water supply , Good effect.