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Title:
CARBON DIOXIDE GAS-LIQUID PHASE CHANGE-BASED ENERGY STORAGE APPARATUS CAPABLE OF CONVERTING HEAT ENERGY INTO MECHANICAL ENERGY
Document Type and Number:
WIPO Patent Application WO/2022/166384
Kind Code:
A1
Abstract:
The present invention relates to a carbon dioxide gas-liquid phase change-based energy storage apparatus capable of converting heat energy into mechanical energy, comprising: a gas storage holder; a liquid storage tank; an energy storage assembly, the energy storage assembly being disposed between the gas storage holder and the liquid storage tank, carbon dioxide changing from gas to liquid by means of the energy storage assembly, and the energy storage assembly comprising a compressor; an energy release assembly, the energy release assembly being disposed between the gas storage holder and the liquid storage tank, and carbon dioxide changing from liquid to gas by means of the energy release assembly; a heat exchange assembly that can transfer part of energy generated in the energy storage assembly to the energy release assembly; and a driving assembly, the driving assembly being connected to the energy storage assembly, and the driving assembly comprising an energy input member and a first driving member. Part of carbon dioxide flowing out of the compressor can be diverted to the driving assembly, carbon dioxide diverted to the driving assembly can absorb external heat energy by means of the energy input member and drive the first driving member to work, and the first driving member can drive the compressor to work. The apparatus can utilize waste heat generated in industrial production, thereby reducing the waste of heat energy and saving energy.

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Inventors:
XIE YONGHUI (CN)
YANG FENG (CN)
WANG XIAOYONG (CN)
GUO YONGLIANG (CN)
ZHANG DI (CN)
WANG YUQI (CN)
SUN LEI (CN)
WANG QIN (CN)
Application Number:
PCT/CN2021/136346
Publication Date:
August 11, 2022
Filing Date:
December 08, 2021
Export Citation:
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Assignee:
EXA ENERGY TECH SHENZHEN CO LTD (CN)
International Classes:
F28D20/02; F25B9/00
Foreign References:
CN112985142A2021-06-18
CN112880451A2021-06-01
CN112985144A2021-06-18
CN112985143A2021-06-18
CN112985145A2021-06-18
CN110374838A2019-10-25
CN107461227A2017-12-12
CN109441741A2019-03-08
CN111749743A2020-10-09
CN102758690A2012-10-31
US20160298498A12016-10-13
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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