FIELD: mining.
SUBSTANCE: proposed plant includes the following component parts which form continuous path: injection well for cold water pumping, heating section in mine rock and outlet well; turbogenerator connected to the latter for steam conversion to electric energy; in-series connected steam condenser, collecting tank for condensed water and cleaning plant connected to injection well. Injection well is inclined; heating section is located in mine rock at the depth of 3-5 km horizontally as far as possible or close to horizontal position, for water heating on surface and steam generation there used is chain of in-series connected solar battery, electric heater and/or heat exchanger with low-temperature boiling liquid, which are connected through an outlet to turbogenerator.
EFFECT: plant allows effective use of geothermal energy in any regions where there is no access to hot temperature layers and enlarges its application capabilities.
1 dwg
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