COMPRESSED AIR ENERGY STORAGE POWER GENERATION DEVICE, AND COMPRESSED AIR ENERGY STORAGE POWER GENERATION METHOD

WIPO Patent Application WO/2016/203980

A1

This compressed air energy storage power generation device 2 is provided with: motors 26a, 26b which are driven by fluctuating input power; a compressor 4 which is mechanically connected to the motors 26a, 26b, and which compresses air; a pressure accumulation tank 6 which is fluidly connected to the compressor 4, and which stores compressed air compressed by the compressor 4; a multistage expander 8 which is fluidly connected to the pressure accumulation tank 6, is driven by the compressed air supplied from the pressure accumulation tank 6, and is provided with a plurality of expander main bodies 8a, 8b; and power generators 20a, 20b which are mechanically connected to the expander 8. Furthermore, the device 2 is provided with: a heat medium tank 14 for storing a heat medium; an expansion-side heat exchanger 16 for heating the compressed air by exchanging heat between the heat medium supplied from the heat medium tank 14 and the compressed air supplied to the expander 8; and an exhaust-side heat exchanger 22 for heating the compressed air by exchanging heat between exhaust air discharged from the expander 8 and the compressed air supplied to the low-pressure-stage expander main body 8b. Accordingly, provided is a compressed air energy storage power generation device 2 capable of improving system efficiency.

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TOSHIMA MASATAKE
KUBO YOHEI
MATSUKUMA MASAKI
SARUTA HIROKI
SAKAMOTO KANAMI

PCT/JP2016/066487

December 22, 2016

June 02, 2016

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KOBE STEEL LTD (JP)

F01K27/02; F01D17/08; F02C1/04; F02C6/16; F02C9/16

JP2013509528A	2013-03-14
JPH09324656A	1997-12-16
JPS643236A	1989-01-09

SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)

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