Refrigeration adsorber and its manufacturing method

A manufacturing method and technology for adsorbers, which are applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of large heat transfer resistance of solid adsorbents, low heat and mass transfer efficiency of adsorbers, and small loading of adsorbents. , to achieve the effect of compact structure, favorable heat transfer and short mass transfer channels

Inactive Publication Date: 2005-07-20
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The refrigeration adsorber can effectively solve the problems of low heat and mass transfer efficiency of the adsorber, large heat transfer resistance of the solid adsorbent, small amount of adsorbent loading, and bulky volume, etc., enabling the large-scale commercial application of the green refrigeration method driven by low-grade heat energy become possible

Method used

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  • Refrigeration adsorber and its manufacturing method
  • Refrigeration adsorber and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 As shown, the refrigeration adsorber includes an outer tube 3 and an inner tube 4 fitted therein. The outer circular pipe 3 is made of seamless steel pipe made of stainless steel, with an outer diameter of 255mm, a thickness of 6mm, and a length of 1000mm. The cover plate 8, the upper cover plate 2 has a hot (cold) carrier outlet 1, and the lower cover plate 8 has a hot (cold) carrier inlet 9. The inner circular pipe 4 is made of stainless steel seamless steel pipe with an outer diameter of 219 millimeters, a thickness of 6 millimeters and a length of 940 millimeters. The two ends are respectively fixed with upper and lower end covers 14, 11, and a heat seal is fixed between the upper and lower end covers 14, 11. (cold) carrier channel 6 (upper and lower end caps 14, 11 are equivalent to the tube plate of the carrier channel), and a tube plate 13 parallel to it is fixed at 30 mm below the upper end cover 14 (refrigerant channel 5 and heat (cold) The t...

Embodiment 2

[0036] Such as figure 1 and 2As shown, the outer diameter of the outer tube 3 is 250 mm, the thickness is 3 mm, and the length is 560 mm; the outer diameter of the inner tube 4 is 219 mm, the thickness is 8 mm, and the length is 500 mm; the refrigerant channel 5 Outer diameter is 10 millimeters, and thickness is 1 millimeter, and its surface drills out the through hole that diameter is 1 millimeter, hole spacing is 4 millimeters by equilateral triangle; The outer diameter of hot (cold) carrier channel 6 is 25 millimeters, and thickness is 2 mm. Other implementation modes are the same as the first embodiment.

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Abstract

The invention is a type of refrigerating absorber and its manufacturing method. It comprises inner and outer two round tubes suiting with each other. There is fixed with up and down cover boards, entrance and exit of carrier at each end of the outer round tube while passage of the carrier and passage of cryogen in the inner round tube. There is fixed pipe for cryogen in or out on the up cover board and up end cap while mouth for absorbent to be loaded. The absorbent is filled between the passage of cryogen and the passage of carrier. The manufacturing process is welding elements adopting the method of argon-arc welding with stainless steel. The invention makes advantages of jacket-style heat exchanger and heat exchanger with arranging pipes so it not only has high efficiency of diathermancy and mass transfer, fine pressure endure, but also has compact structure because of which it can reduce volume of the absorber to a large degree and increase charge of the absorbent.

Description

technical field [0001] The invention relates to the technical field of adsorption refrigeration, in particular to a refrigeration adsorber and a manufacturing method thereof. Background technique [0002] Adsorption refrigeration technology has attracted the attention of the world for its unique advantages of environmental protection, solar energy, geothermal energy and industrial low-grade waste heat utilization. One of the keys to the implementation of this method lies in the heat and mass transfer performance of the refrigerated adsorber. In the adsorption refrigeration process, the refrigerant needs to enter the adsorber to directly contact the adsorbent for mass transfer, and the heat in the adsorption / desorption process is exchanged with the outside world through the outer wall of the refrigerated adsorber. The traditional refrigeration adsorber adopts a cylindrical or square structure, the thickness of the adsorbent is large, the heat transf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B37/00
CPCY02B30/62Y02B30/64Y02A30/27Y02B30/00
Inventor 王红林陈砺
Owner SOUTH CHINA UNIV OF TECH
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