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Refrigeration adsorber and its manufacturing method

A manufacturing method and adsorber technology, which is applied in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of high heat transfer resistance of solid adsorbent, low heat and mass transfer efficiency of adsorber, and small amount of adsorbent loading , to achieve the effect of compact structure, good heat transfer and short mass transfer channel

Inactive Publication Date: 2009-06-10
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

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Effect test

Embodiment 1

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

Embodiment 2

[0036] like figure 1 and 2 As 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 outer diameter is 10 mm and the thickness is 1 mm, and the surface is drilled with through holes with a diameter of 1 mm and a hole spacing of 4 mm according to an equilateral triangle; the outer diameter of the hot (cold) carrier channel 6 is 25 mm and the thickness is 2 mm. Other implementations are the same as those in 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 worldwide attention due to its unique advantages of green environmental protection, solar energy, geothermal energy and industrial low-grade waste heat utilization. One of the keys to the implementation of this method is the heat and mass transfer performance of the refrigerated adsorber. In the adsorption refrigeration process, the refrigerant needs to enter the adsorber and directly contact the adsorbent for mass transfer, and the heat of the adsorption / desorption process is exchanged with the outside world through the outer wall of the refrigeration adsorber. The traditional refrigeration adsorber adopts a cylindrical or square structure, the adsorbent has a large stacking thickness, a long heat transfer distance, a larg...

Claims

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Application Information

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Patent Type & Authority Patents(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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