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High-pressure heat-storing/or cold-storing device

A cold storage device and heat storage technology, which is applied in the direction of household refrigeration devices, heat storage equipment, energy storage, etc., can solve the problems of increased heat capacity of the tank wall, reduced heat/cold storage efficiency, and difficult recovery of heat/cold energy. Achieve the effect of high thermal energy grade, low cost and high pressure

Active Publication Date: 2013-05-01
葛洲坝中科储能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If such a thermal insulation structure is used to manufacture a high-pressure heat / cold storage device, a thick-walled pressure vessel is required as the tank shell, and the heat capacity of the tank wall will also be greatly increased, so that a large amount of heat / cooling is required in the process of heat / cold storage. Cold energy is used to cool the tank wall, but this part of heat / cooling energy is difficult to recover, which will greatly reduce the heat storage / cold efficiency
In addition, these storage tanks are usually only used for storage of high / low temperature fluid media, and are not filled with solid media for heat / cold storage

Method used

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  • High-pressure heat-storing/or cold-storing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] like figure 1As shown, it is embodiment 1 of the high-pressure heat storage / cold storage device of the present invention. In this embodiment, the top feed port and the top heat transfer medium nozzle are the same opening, and the bottom discharge port and the bottom heat transfer medium nozzle are same opening. Among them, including the base 1, the bottom discharge port and the bottom heat transfer medium nozzle 2, the bottom porous baffle 3, the inner shell support device 4, the thick-walled shell 5, the cooling / heating liquid layer 6, the insulation layer 7, the thin-walled Inner shell 8, solid heat storage / cold medium 9, top porous baffle 10, top feed inlet and top heat transfer medium nozzle 11, pressure pipe 12, top cooling / heating liquid nozzle 13, bottom cooling / heating Liquid nozzle 14. One end of the pressure pipe 12 communicates with the top heat transfer medium nozzle 11 , and the other end communicates with the insulation layer 7 after passing through the ...

Embodiment 2

[0047] like figure 2 As shown, it is Embodiment 2 of the high-pressure heat storage / cold storage device of the present invention. In this embodiment, the top feed port and the top heat transfer medium nozzle are different openings, and the bottom discharge port and the bottom heat transfer medium nozzle are different openings. Open your mouth. Among them, including base 1, bottom heat transfer medium nozzle 2, bottom porous baffle 3, inner shell support device 4, thick-walled outer shell 5, cooling / heating liquid layer 6, insulation layer 7, thin-walled inner shell 8, solid Heat storage / cold medium 9, top porous baffle 10, top heat transfer medium nozzle 11, pressure pipe 12, top feed inlet 15, top cooling / heating fluid nozzle 13, bottom cooling / heating fluid nozzle 14 , Bottom discharge port 16. One end of the pressure pipe 12 communicates with the top heat transfer medium nozzle 11 , and the other end communicates with the insulation layer 7 after passing through the thic...

Embodiment 3

[0054] like image 3 Shown is Embodiment 3 of the high-pressure heat / cold storage device of the present invention, which is an improvement of Example 1. In this embodiment, heat exchange tubes / tube bundles are arranged vertically inside the high-pressure heat / cold storage device. In the links of storage, release and heat preservation, high / low temperature heat transfer fluids of different pressures can pass through the heat exchange tubes / tube bundles to supplement heat / cold capacity for the internal heat storage / cold medium.

[0055] Among them, including base 1, bottom discharge port and bottom heat transfer medium nozzle 2, bottom cooling / heating liquid nozzle 14, bottom porous baffle 3, inner shell support device 4, thick-walled outer shell 5, cooling / heating liquid Layer 6, insulation layer 7, thin-walled inner shell 8, solid heat storage / cold medium 9, top porous baffle 10, top inlet and top heat transfer medium nozzle 11, pressure pipe 12, heat exchange tube / Tube bund...

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Abstract

The invention discloses a high-pressure heat-storing / or cold-storing device, which belongs to the field of high / low-temperature thermal energy storage. The high-pressure heat-storing / or cold-storing device is characterized in that an outer shell is used for bearing a high pressure; a cooling / heating liquid layer, a heat-preserving layer, a thin wall inner shell and an internal solid heat / cold storing medium are arranged in sequence from outside to inside; a solid material is taken as a heat / cold storing medium; and a high-pressure heat transfer medium flows through the surface of the heat / cold storing medium and undergoes heat exchange. The heat-storing / or cold-storing device disclosed by the invention has the advantages of high bearing pressure, low manufacturing cost, high efficiency, high thermal energy grade and the like, and is particularly suitable for heat-storing / or cold-storing occasions with large heat / cold storing and releasing temperature differences and frequent heat / cold storing and releasing.

Description

technical field [0001] The invention relates to the field of high / low temperature thermal energy storage, and is a device which utilizes solid heat storage / cold storage medium to store high / low temperature thermal energy and releases it when needed. Background technique [0002] The high-pressure heat storage / cold storage device disclosed by the invention can be applied to waste heat utilization in industrial processes, solar / wind energy heat storage, power peak shaving heat storage, advanced compressed air energy storage systems, and the like. [0003] Heat storage / cold technology is an effective means to effectively solve the contradiction between the supply and demand of heat / cold energy in terms of time and space, and to improve energy utilization. Among them, high-pressure heat storage / cold technology is mainly used for heat storage and / or cold storage under high-pressure conditions, and is a key technology for industrial waste heat utilization, solar / wind energy heat u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D20/00F25D3/00
CPCY02E70/30Y02E60/142Y02E60/14
Inventor 王亮陈海生柴磊谢宁宁盛勇谭春青
Owner 葛洲坝中科储能技术有限公司
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