Combined type regenerator and liquid air energy storage system

A technology of energy storage system and cold accumulator, which is applied in household refrigeration equipment, lighting and heating equipment, household appliances, etc.

Pending Publication Date: 2020-12-25
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] For this reason, the present invention proposes a combined cold storage device, which can effectively solve the t

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  • Combined type regenerator and liquid air energy storage system

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Embodiment Construction

[0025] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0026] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...

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Abstract

The invention relates to the technical field of cold accumulation equipment, in particular to a combined type regenerator and a liquid air energy storage system. The combined type regenerator comprises a first connecting main pipe, a second connecting main pipe and a plurality of cold accumulation tanks, all the cold accumulation tanks are separately connected with the first connecting main pipe through first connecting branch pipes, all the cold accumulation tanks are separately connected with the second connecting main pipe through second connecting branch pipes, all the cold accumulation tanks are connected in series through third connecting branch pipes, first control valves are separately arranged on positions, between every two adjacent first connecting branch pipes, of the first connecting main pipe, second control valves are separately arranged on the position, between every two adjacent second connecting branch pipes, of the second connecting main pipe, and third control valves are separately arranged on each third connecting branch pipe. According to the combined type regenerator and the liquid air energy storage system, independent or combined control can be carried outon each cold accumulation tank, modular flexible regulation and control on each cold accumulation tank are realized, different operation modes of series connection, parallel connection or series-parallel connection combination among the cold accumulation tanks can be realized, and the cold accumulation efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of cold storage equipment, in particular to a combined cold storage device and a liquid air energy storage system. Background technique [0002] Liquid air energy storage is one of the technologies that can realize large-scale long-term energy storage. The cold storage part is the core of the system, and the efficiency of the cold storage equipment is a key factor affecting the system efficiency. Therefore, how to realize high-efficiency cold storage of cold storage equipment is particularly critical. [0003] At present, in the existing liquid air energy storage system, the packed bed structure is used for cold storage, because of the advantages of high safety factor and low cost, it has been widely researched and applied. However, the liquid air energy storage system has restrictions on the temperature of the gas (or liquid) at the outlet of the cold storage equipment, and the existing packed bed cold sto...

Claims

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Application Information

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IPC IPC(8): F25D3/10F25D29/00
CPCF25D3/10F25D29/00
Inventor 王俊杰郭璐娜季伟高诏诏陈六彪郭嘉崔晨
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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