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Two-sided liquid film reversal intercrossing double-dimension corrugated board absorber heat exchanging elements

A heat exchange element and corrugated plate technology, which is applied in the field of double-sided liquid film reverse cross double-scale corrugated plate absorber heat exchange element, can solve the problem of neglecting the utilization of heat transfer surface, and achieve the increase of effective heat transfer area and the The effect of increased heat and mass transfer coefficient and uniform distribution of liquid film

Inactive Publication Date: 2007-09-19
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing liquid film inversion scheme only forms favorable conditions for liquid film distribution and liquid film inversion on the surface that occupies half of the heat transfer surface, while ignoring the disadvantage of utilizing the other half of the heat transfer surface.

Method used

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  • Two-sided liquid film reversal intercrossing double-dimension corrugated board absorber heat exchanging elements
  • Two-sided liquid film reversal intercrossing double-dimension corrugated board absorber heat exchanging elements
  • Two-sided liquid film reversal intercrossing double-dimension corrugated board absorber heat exchanging elements

Examples

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Embodiment Construction

[0015] A double-sided liquid film inverted cross double-scale corrugated plate absorber heat exchange element, including at least two sets of double-scale corrugated plate heat transfer plate bundles 1, the two sets of double-scale corrugated plate heat transfer plate bundles 1 are arranged up and down, and A pair of intersecting rake-shaped deflectors 2 are arranged between each corresponding pair of plates 12 of two sets of double-scale corrugated plate heat transfer plate bundles 1. The rake-shaped deflectors 2 include an upper side 21, and below the upper side 21 there is a The guide tongue 22 is provided with a liquid barrier 23 on the side of the upper side 21, the liquid barrier 23 is located between two adjacent guide tongues 22, and the width of the liquid barrier 23 along the length direction of the upper side 21 is larger than that of the guide The width of the tongue 22, the double-scale corrugated plate heat transfer plate bundle 1 is composed of double-scale corru...

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PUM

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Abstract

The present invention discloses a double side liquid film reverse cross double scale ripple plate absorber heat exchanging element, which includes at least two groups double scale ripple plate heat conduction plate bundles (1) disposed vertically that has a double crossing harrow type guide devices (2) mounted between each corresponding pair of plates. The harrow type guide device (2) includes an upper edge (21), the lower surface of the upper edge (21) is disposed with a guide tongue (22), and the side surface of the upper edge (21) is disposed with a liquid blocking piece (23). The present invention can realize the reverse for the double side liquid film, and fully uses the heat conduction surface of the heat exchanging element, improves the absorb ability of the solution liquid film on the heat exchanging element, and has excellent strengthen heat conduction and mass transfer characteristics.

Description

technical field [0001] The invention relates to a heat exchange element of a corrugated plate absorber, in particular to a heat exchange element of a double-sided liquid film reverse crossing double-scale corrugated plate absorber. Background technique [0002] Liquid film heat and mass transfer is a widely used heat and mass transfer technology. However, the existing research results on the falling film absorption process of lithium bromide solution show that along the direction of the liquid film flowing downward, as the absorption process continues, the temperature of the outer layer of the liquid film is higher and the solution mass fraction gradually decreases; In the first layer, the temperature gradually decreases and the mass fraction of the solution changes little, that is, the outer layer cannot be cooled down, and the inner layer cannot be diluted. Liquid film inversion technology is a more effective measure to improve heat and mass transfer. However, the existi...

Claims

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Application Information

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IPC IPC(8): F28F13/14F28F3/08
Inventor 陈亚平
Owner SOUTHEAST UNIV
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