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Fin-sleeve type three mediums composite heat-exchanger

A heat exchanger, casing type technology, applied in the direction of heat exchanger types, indirect heat exchangers, tubular elements, etc., can solve the problem of inability to achieve synchronous heat exchange of three media, and achieve the effect of synchronous heat exchange

Inactive Publication Date: 2008-01-16
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current finned heat exchangers, collar heat exchangers and other products can only realize synchronous heat exchange between two media, but cannot realize synchronous heat exchange between three media

Method used

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  • Fin-sleeve type three mediums composite heat-exchanger
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  • Fin-sleeve type three mediums composite heat-exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] As shown in Fig. 1, Fig. 2 and Fig. 3, the fin-tube type three-medium composite heat exchanger of the present invention includes a shell, a fan 7 located in the shell and a heat exchanger body, and the heat exchanger body includes An outer casing 5 coiled in a serpentine (or S-shaped) shape, an inner casing 6 fitted in the lumen of the outer casing, and fins 4 combined with the outer wall of the outer casing; the outer diameter of the inner casing is smaller than that of the outer casing The aperture of the tube, and the liquid (or two-phase) medium channel 2 is formed by the annular space between the outer wall of the inner casing and the inner wall of the outer casing, the lumen of the inner casing forms the liquid (or two-phase) medium channel 1, and the fins and The outer surface of the outer casing constitutes a gaseous (or gas mixed with spray liquid) medium channel 3 . When exchanging heat with the medium in channel 3 alone, channel 1 is closed, fan 7 is turned o...

Embodiment 2

[0021] In order to simplify the processing technology and reduce the manufacturing cost, the fin-tube type three-medium composite heat exchanger of the present invention can be realized by adopting the structural methods shown in Fig. 4, Fig. 5 and Fig. 6: that is, the common At the bend, the ∩-shaped bent end of the inner sleeve passes through the pipe wall of the ∩-shaped bent end of the outer sleeve and is placed outside the ∩-shaped bent end of the outer sleeve. Its working principle and the structure of other parts are all the same as in Embodiment 1.

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Abstract

A fin-pipe three-medium compound heat exchanger that is widely used for synchronous heat exchange among three mediums in a same heat exchanger is characterized in that the heat exchanger comprises an outer sleeve (5), an inner sleeve (6) disposed in the cavity of the outer sleeve, and fins (4) combined with the outer wall of the outer sleeve; the outer diameter of the inner sleeve is smaller than the aperture of the outer sleeve, a ring-shaped space between the outer wall of the inner sleeve and the inner wall of the outer sleeve forms a first medium passage (2), the cavity of the inner sleeve forms a second medium passage (1), and the outer wall of the outer sleeve and fins form a third medium passage (3). The inventive heat exchanger can be used for synchronous heat exchange among liquid heat source, gas heat source and refrigerating working medium, and can also be used for synchronous heat exchange of other three mediums with difference combinations, such as gas, liquid or saturated medium.

Description

technical field [0001] The invention relates to the field of heat exchanger processing and manufacturing, in particular to a fin-tube type three-medium compound heat exchanger in which three media perform synchronous heat exchange in the same heat exchanger. Background technique [0002] At present, there is no heat exchanger product that can realize synchronous heat exchange of three media in the same heat exchanger. Current finned heat exchangers, collar heat exchangers and other products can only realize synchronous heat exchange between two media, but cannot realize synchronous heat exchange between three media. Contents of the invention [0003] The purpose of the present invention is to provide a fin-tube type three-medium composite heat exchanger in which three media perform synchronous heat exchange in the same heat exchanger to address the shortcomings of the above-mentioned prior art. The composite heat exchanger can be applied to various types of heat pump syst...

Claims

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Application Information

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IPC IPC(8): F28D7/10F28D1/02F28F1/24
CPCF28D1/0408
Inventor 周光辉刘寅
Owner ZHONGYUAN ENGINEERING COLLEGE
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