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BI Shike, WAN Zhijun, ZHANG Hongwei, WANG Mingkai, WANG Jingchao, LIU Zhigang, WANG Chong. Research on development and utilization of geothermalresources in Tangkou Coal Mine[J]. COAL SCIENCE AND TECHNOLOGY, 2018, (4).
Citation: BI Shike, WAN Zhijun, ZHANG Hongwei, WANG Mingkai, WANG Jingchao, LIU Zhigang, WANG Chong. Research on development and utilization of geothermalresources in Tangkou Coal Mine[J]. COAL SCIENCE AND TECHNOLOGY, 2018, (4).

Research on development and utilization of geothermalresources in Tangkou Coal Mine

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  • Available Online: April 02, 2023
  • Published Date: April 24, 2018
  • In order to utilize deep geothermal resources of Shandong Tangkou Coal Mine from deep ground, based on the geologic data and hydrological drilling data of Tangkou Coal Mine, a survey was made on account of the genetic reason and occurrence condition of Ordovician geothermal resources in the mine, a geothermal water exploitation model was proposed by using existing roadway and shaft in the coal mine. According to the occurrence conditions of different heat sources, an integrated utilization scheme about mine geothermal resource was presented. Research showed that under the influence of thick strata layers and major deep fault, the geothermal resources of Tangkou coal mine was mainly occurred in the Ordovician strata in the south of the mine, the average temperature of geothermal water was 44 ℃ and the water was corrosive but not easy to scale. Geothermal wells were drilled in the underground drilling chamber, by using the production model of two production wells and one injections in the same layer, the geothermal water was piped to the ground heat exchange station to conduct centralized heat exchange, which can provide a hot water supply of 3 000 m3 per day. The total amount of geothermal resources in thermal reservoir was 5.02×1017 J, combined with other available resources, mine drainage, mine waste wind and mine life water, it could provide a heat supply of 12.45 MW.Developing and using the mine geothermal resources can reduce the carbon emissions and protect the mine environment, which provides new ideas for the development of mine geothermal science and the construction of green mines.
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