Packed bed for magnetic refrigerator

A magnetic refrigerator, packed bed technology, applied in refrigerators, refrigeration and liquefaction, machines using electrical/magnetic effects, etc., can solve the problems of loss of refrigeration, affecting the refrigeration effect of the refrigeration system, affecting the opening and closing of valves, etc. To achieve the effect of increasing the temperature span

Active Publication Date: 2020-06-09
HENGDIAN GRP DMEGC MAGNETICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution cannot put powdery magnetic working fluid into it, and the powder will flow out of the packed bed with the flow of heat exchange fluid, and flow out of the refrigerated packed bed, which means leaving the effective range of the magnetic field, which will lose the cooling effect; in addition , if the powdery magnetic refrigeration material enters the valve body at both ends of the packed bed, it will affect the opening and closing of the valve and affect the cooling effect of the overall refrigeration system

Method used

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  • Packed bed for magnetic refrigerator
  • Packed bed for magnetic refrigerator
  • Packed bed for magnetic refrigerator

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Embodiment 1: as figure 1 , as shown in 2, 3, 4, a packed bed for a magnetic refrigerator, including a packed bed shell 1 and a small packing 2, the packed bed shell is a tubular structure, and the packed bed shell has at least two effective chambers 5 parallel to each other , the packed bed casing has at least one turning cavity 6, one end of the packed bed casing is the first port 3, the other end of the packed bed casing is the second port 4, and the small packing pieces are arranged in the effective cavity. Ribs 7 are also arranged inside the packed bed shell, and the ribs are used to fix the position of the small fillers in the effective cavity. The stiffened plate includes several base plates 8, guide posts 9 and several mounting holes 10 arranged on the base plates. Several base plates are connected end to end, and the base plates are connected by rotation. The guide posts are arranged at the rotational joints of the base plates. Matching guide groove 11. The m...

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PUM

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Abstract

The invention belongs to the field of magnetic refrigeration, and particularly relates a magnetic refrigeration material packed bed structure which improves temperature span and heat exchange efficiency and is easy to machine. The packed bed structure comprises a packed bed shell and small fillers, wherein the packed bed shell is of a tubular structure, at least two effective cavities which are parallel to each other are formed in the packed bed shell, at least one steering cavity is formed in the packed bed shell, one end of the packed bed shell is a first end opening, the other end of the packed bed shell is a second end opening, and the small fillers are arranged in the effective cavities. According to the packed bed structure, the temperature span can be effectively increased, and thestructure is suitable for powdery magnetic materials.

Description

technical field [0001] The invention belongs to the field of magnetic refrigeration, and in particular relates to a magnetic refrigeration material packed bed structure that improves temperature span and heat exchange efficiency and is easy to process. Background technique [0002] Room temperature magnetic refrigeration technology has the characteristics of green environmental protection, high efficiency and energy saving, stable and reliable, and has attracted worldwide attention in recent years. Since the energy consumption of the refrigeration industry accounts for more than 15% of the total energy consumption of the society, the price of mechanical parts and refrigerants for traditional compressor refrigeration is currently rising, and the gas refrigerant used in gas compression refrigeration will damage the environmental system, so the room temperature magnetic refrigerator The advantages of this technology make it possible to partially replace traditional gas compress...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B21/00
CPCF25B21/00Y02B30/00
Inventor 王占洲孙永阳洪群峰韩相华
Owner HENGDIAN GRP DMEGC MAGNETICS CO LTD
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