Compressed air dual energy storage system without external heating source
A technology of compressing air and external heating sources, which is applied in the direction of liquid variable displacement machinery, pump devices, engine components, etc., and can solve the problem of large volumes of high-pressure gas storage containers and high-pressure water-gas co-containment chambers, hindering technical engineering applications, and energy storage systems Cost increase and other issues, to achieve the effect of maximizing energy utilization, improving environmental friendliness, and saving equipment costs
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[0038] like figure 1 As shown, the present invention is a compressed air dual energy storage system without an external heating source, including a low-pressure compression section 1, a high-pressure compression section 3, a high-pressure expansion section 12 for power generation, and a low-pressure expansion section 14 for stabilizing and recovering The energy pre-expansion turbine 19, the large-scale underground gas storage mine 5 that stores air compression energy, the first water-gas co-containment cabin 6 and the second water-gas co-containment cabin 10 that realize the construction of a virtual high-level dam, and the first water-gas co-containment cabin 10 that recovers the heat of compressed air A heat recovery device 2, a second heat recovery device 4, a first heat storage heater 11 for heating the gas to be expanded, a second heat storage heater 13 and a preheater 18, and a water turbine for converting the mechanical energy of water into electrical energy 7. Water pu...
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