Based on a 2×350 MW coal-fired unit

this paper studies and analyzes the compressed air energy storage process system

parameter selection

heat source selection for supplementary heating

coal fired unit reconstruction scheme and so on through supporting the construction of supplementary heating compressed air energy storage system.It is considered that by adopting the process scheme of adiabatic compression

hot water storage

artificial cavern near the coal-fired unit with suitable geological conditions

a compressed air energy storage unit with a certain capacity can be built

which can realize the deep adjustment and peak of the coal-fired unit.Coal fired units can provide supplementary heat source

cooling water

demineralized water and other resources to compressed air energy storage system.The electrical conversion efficiency of the supplementary heating system is slightly higher than that of the non-supplementary heating system.