FIELD: thermal power engineering; primarily when using geothermal source water as coolant in condensate and feed water heating system of steam-power loop of power plant. SUBSTANCE: power plant has waste-heat exchanger using waste gases of gas-turbine plant as heating agent to raise temperature of geothermal water upstream and downstream of gas separator which communicates through its gas discharge line to combustion chamber of gas-turbine plant. Geothermal water heated by waste gases is used as heating agent for heat exchangers mounted in condensate-feedwater line of steam-power plant. EFFECT: improved efficiency in utilization of geothermal source heat energy. 1 dwg
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