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Heat exchanger, and especially manufacturing method of adsorption type heat exchanger

A technology of heat exchanger and manufacturing method, which is applied in the directions of heat exchanger fixing, heat exchange equipment, manufacturing tools, etc., can solve problems such as reducing the efficiency of adsorption heat exchangers

Inactive Publication Date: 2015-05-06
MAHLE BEHR GMBH & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the conventional immersion process, the liquid solder is driven by capillary forces into the flat tube and at least partially closes it, reducing the efficiency of the adsorption heat exchanger

Method used

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  • Heat exchanger, and especially manufacturing method of adsorption type heat exchanger
  • Heat exchanger, and especially manufacturing method of adsorption type heat exchanger
  • Heat exchanger, and especially manufacturing method of adsorption type heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] figure 1 Shown is a heat exchanger 1 , preferably an adsorption heat exchanger, which is formed from a plurality of tubes 2 , for example flat tubes, arranged parallel to one another. Each end of the tube 2 is received by a bottom 3, 4 respectively, wherein each base 3, 4 has a number of beads 5 corresponding to the number of tubes 2, and each end of the tube 2 has a Embedded in one of these curls 5 . The bottom 4 is closed by means of a water tank 6 , which rests on the bottom 3 . The two housing half-shells 8 , 9 surround the composite structure formed by the flat tube 2 and the base 3 , 4 .

[0025] In this heat exchanger with adsorption pump function, the working medium (such as methanol) is driven by temperature in the tube 2 to oscillate from one side of the functional chamber (where the tube 2 is filled with activated carbon) to the other side of the functional chamber. One side (where the tube 2 is provided with cotton rope). The tubes 2 , the bases 3 , 4 as...

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Abstract

The invention relates to a heat exchanger, and especially a manufacturing method of an adsorption type heat exchanger. A plurality of composition parts of the heat exchanger are composed of iron-based material, such as pipes, a housing part enclosing the bottoms of the pipes and surrounding the bottoms and the pipes are assembled and then brazing is subsequently performed. The method can reliably braze joint welding lines in different widths. When the composition parts, made of steel or stainless steel, of the heat exchanger are assembled, welding films are disposed between the joint welding lines of the composition parts of the heat exchanger, the joint welding lines are then filled with low-melting-point welding materials, and the brazing without a welding flux is then performed.

Description

technical field [0001] The invention relates to a method of manufacturing a heat exchanger, especially an adsorption heat exchanger. Background technique [0002] In the case of heat exchangers with iron-based components, the requirements to be met relate to the tightness of the channels used to transfer the fluid out and the fluid to be transferred. If the leakage rate exceeds an application-specific threshold, the heat exchanger must be rejected. Iron-based heat exchangers, which have to meet demanding sealing standards, are usually joined by means of welding (in particular laser welding) or by high-temperature brazing. It is important here that the joining seam between the joining points does not exceed a certain width (for example 0.2 mm), otherwise the quality of the joint would be impaired or a gas-tight joint would not be possible. However, due to the manufacturing tolerances of the semi-finished products and the forming process, the width of such seams usually cann...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/00B23P15/26F25B30/04B23K35/26B23K1/00
CPCB23K1/0012B23K35/0222B23K35/0233B23K35/26B23K35/262B23K2101/14B23K2103/04F25B37/00F25B35/04F25B30/04Y10T29/49359B23K2103/02B23K2103/05Y02A30/27F28F2275/02F28F2275/04B23P15/26
Inventor 汉斯-海因里希·安格曼斯蒂芬·布伦纳
Owner MAHLE BEHR GMBH & CO
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