A multifunctional energy storage system

An energy storage system and multi-functional technology, applied in the direction of steam engine devices, machines/engines, mechanical equipment, etc., can solve problems such as difficult to achieve reasonable matching of energy supply, inability to cope well, single system energy supply mode, etc., to achieve improvement Utilize benefits, realize collection and storage, and achieve energy-saving benefits

Active Publication Date: 2016-12-07
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0004] Although the enhanced geothermal system using carbon dioxide to obtain geothermal energy can bring certain economic benefits, thereby reducing the high cost of carbon dioxide capture and storage technology, but in the face of complex energy (cold, heat, electricity) needs and changes at the user end, the system The energy supply mode is single, which cannot be well dealt with, and it is difficult to achieve a reasonable match between energy supply and user demand

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  • A multifunctional energy storage system

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Embodiment Construction

[0037] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0038] Such as figure 1 As shown, the multifunctional energy storage system of the present invention consists of a carbon dioxide storage tank 1, a carbon dioxide storage tank gas supply valve 2, a carbon dioxide storage tank gas supply filter 3, a carbon dioxide storage tank gas supply check valve 4, and a carbon dioxide storage tank gas supply Pressure regulating device 5, carbon dioxide injection well pressure gauge 6, carbon dioxide injection well temperature gauge 7...

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Abstract

The invention relates to a multifunctional energy storage system which mainly comprises a carbon dioxide circulating storage system, an underground brine water circulating storage system, a heat storage system and a cold storage system. According to the invention, the underground storage of carbon dioxide, the storage of underground brine water, the storage of heat energy and the absorption of geothermal energy are finished by utilizing surplus electricity at an energy storage stage, and the multi-mode supply of cold, heat and electricity is realized by utilizing carbon dioxide as a working medium at an energy releasing stage. The system can utilize renewable energy resources as electricity sources to realize the closed cyclic utilization of carbon dioxide and underground brine water; and meanwhile the system effectively utilizes the geothermal energy resource, has no pollutant emission during the operation process and has good economic benefits and energy-saving and environmental-protection benefits.

Description

technical field [0001] The invention relates to the technical field of distributed energy supply and energy storage, specifically, it is a multi-functional energy storage system that uses carbon dioxide as the main working medium and realizes combined supply of electricity, heat and cooling through underground storage of carbon dioxide and utilization of geothermal energy . Background technique [0002] Since the industrial revolution, the global climate has undergone significant changes characterized by warming due to the large amount of carbon dioxide emitted into the atmosphere. Climate warming directly affects the global ecological environment and poses a huge challenge to human survival and development. At present, in terms of carbon dioxide emissions, carbon dioxide capture and storage (CCS) technology has become one of the important means to reduce carbon dioxide emissions to the atmosphere. This technology can capture and compress carbon dioxide and inject it into t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K25/10F01K13/00
CPCF01K13/00F01K25/103
Inventor 张远杨科洪慧白井艳徐建中
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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