ADIABATIC COMPRESSED AIR ENERGY STORAGE SYSTEM WITH LIQUID THERMAL ENERGY STORAGE

摘要

An adiabatic compressed air energy storage (ACAES) system (10) includes a compressor system (16), an air storage unit (20), and a turbine system (18). The ACAES system further includes a thermal energy storage (TES) system (40) that includes a container (44), a plurality of heat exchangers (54, 56), a liquid TES medium conduit system (58) fluidly coupling the container to the plurality of heat exchangers (54, 56), and a liquid TES medium stored within the container (46). The TES system also includes a plurality of pumps (60, 62) coupled to the liquid TES medium conduit system and configured to transport the liquid TES medium (46) between the plurality of heat exchangers (54, 56) and the container (44), and a thermal separation system (48) positioned within the container (44) configured to thermally isolate a first portion of the liquid TES medium at a lower temperature (52) from a second portion of the liquid TES medium at a higher temperature (850).