Liquid air energy storage system and method

The invention discloses a liquid air energy storage system and method. The system comprises an air compression unit, an air purification unit, an air liquefaction storage unit, an air expansion power generation unit, a cold storage unit and a heat storage unit. The air compression unit, the air puri...

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Bibliographische Detailangaben
Hauptverfasser:	WANG JIANFENG, ZHOU MINGJUN, XU YING, DING NING, YANG FAN, JIA ZHAOYING, ZHANG JUNNIU, WANG ZHENXING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEAT EXCHANGE IN GENERAL HEAT PUMP SYSTEMS HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MACHINES OR ENGINES IN GENERAL MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRIGERATION OR COOLING SEPARATION STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a liquid air energy storage system and method. The system comprises an air compression unit, an air purification unit, an air liquefaction storage unit, an air expansion power generation unit, a cold storage unit and a heat storage unit. The air compression unit, the air purification unit and the air liquefaction storage unit are sequentially connected through an air liquefaction circulation pipeline, compression heat energy generated in the air compression process is stored to the heat storage unit through a heat storage circulation pipeline, and cold energy of the cold storage unit is transmitted to the air liquefaction storage unit through a cold storage circulation pipeline; the air liquefaction storage unit and the air expansion power generation unit are connected through an air power generation circulation pipeline, compression heat is transmitted to the heat storage unit through a heat storage circulation pipeline, and cold energy generated in the evaporation and gasification pr