Energy conversion system used in intensified geothermal system with CO2 as working medium
An energy conversion system and working fluid technology, applied in geothermal energy systems, geothermal energy power generation, etc., can solve problems affecting geothermal fluid heat absorption, water loss, and low efficiency, so as to improve heat utilization rate, reduce emissions, and simplify the system Effect
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[0015] The present invention will be described in detail below with reference to the drawings and embodiments.
[0016] Such as figure 1 As shown, the present invention includes ultra-high pressure CO 2 Thermal power generation system 10 and organic Rankine thermal power generation system 20, ultra-high pressure CO 2 The thermal power generation system 10 uses CO that absorbs heat in the geothermal reservoir 2 As a working fluid, the thermal energy is converted into electric energy by turbine expansion and work; the Rankine cycle working fluid and CO after work in the organic Rankine thermal power generation system 20 2 Exhaust steam heat exchange, after Rankine cycle, the heat energy is converted into electric energy. Therefore, the conversion efficiency of the present invention can be improved, the heat utilization rate of the geothermal system can be improved, and part of the CO 2 Long-term storage, reducing CO 2 Emissions to the atmosphere.
[0017] Such as figure 1 , figure 2 ...
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