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    安徽和县香泉镇地热资源地质特征及其开发利用与保护建议

    Geological characteristics of geothermal resources in Xiangquan Town, Hexian County, Anhui Province and its exploitation, utilization and protection

    • 摘要: 安徽和县香泉镇因泉水香气飘溢而得名,泉水温度为47 ~ 50 ℃,水中富含硫、钙等多种矿物质和微量元素。根据在该区开展的地热地质调查、地球物理勘探、地球化学测量、抽水试验以及岩土水样分析测试等工作,在阐述和县香泉地热地质背景的基础上,对区内地热田热储、地热资源量及热水特征进行评价。结果表明:香泉镇地热田属裂隙-岩溶型带状热储,赋存中低温岩溶热水,水化学类型为SO4-Ca·Mg型,属氟、偏硅酸理疗热矿水。根据香泉镇地热资源分布特点、地热流体特征以及开发利用现状,提出供暖、理疗、温室种植、养殖的梯级开发利用方案,并提出开展区内地热流体动态监测、加强废水排放以及开发利用管理的保护建议。

       

      Abstract: Xiangquan Town of Hexian County, Anhui Province is named for the fragrance of the spring water in its territory. The temperature of the spring water is 47~50 ℃,and the water is rich in minerals and trace elements such as sulfur and calcium. According to the geothermal geological survey, geophysical exploration, geochemical survey, water pumping test and geotechnical water sample analysis and testing carried out in this area, and on the basis of describing the geothermal geological background of Xiangquan in Hexian County, the heat storage, the amount of geothermal resources and the characteristics of hot water of the geothermal field in this area are evaluated. The results show that the Xiangquan Town geothermal field belongs to the fissure karst zonal heat reservoir, with the occurrence of middle and low temperature karst hot water. The hydrochemical type is SO4-Ca·Mg and belongs to the fluorine and metasilicic acid therapy hot mineral water.According to the distribution characteristics of geothermal resources, characteristics of geothermal fluids and the development and utilization status of Xiangquan Town, a development and utilization scheme of heating, physiotherapy, greenhouse planting and aquaculture was put forward, and some protection suggestions were put forward to carry out dynamic monitoring of geothermal fluids, strengthen waste water discharge, development and utilization management in the study area.

       

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