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Pore plate cascade type heat exchange device

A heat exchange device, orifice plate stacking technology, applied in the direction of heat exchanger type, heat exchanger shell, indirect heat exchanger, etc., to achieve the effect of saving metal materials, expanding application fields, and saving space

Inactive Publication Date: 2012-04-04
HUNAN CHUANGHUA LOW CARBON ENVIRONMENTAL PROTECTION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of existing plate heat exchangers and provide a cascade heat exchanger with orifice plates

Method used

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  • Pore plate cascade type heat exchange device
  • Pore plate cascade type heat exchange device
  • Pore plate cascade type heat exchange device

Examples

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Embodiment 1

[0016] refer to figure 1 : In this embodiment, a porous plate 1 and a heat insulating pad 2 are stacked alternately to form an orifice heat exchange element. There are cold and hot fluid separators 3 at both ends of the orifice heat exchange element. A diversion channel plate 4 is arranged between the combiners, and they are fixed as an integral component by fastening screws 5 . A hot fluid inlet 6 and a cold fluid outlet 7 are arranged on the hot and cold fluid divider at the right end; a cold fluid inlet 8 and a hot fluid outlet 9 are arranged on the cold and hot fluid divider at the left end.

[0017] refer to figure 2 :

[0018] Several rows of hot fluid communication holes 11 and cold fluid communication holes 12 are arranged side by side on each porous plate.

[0019] refer to image 3 :

[0020] There are several rows of cold diversion grooves 13 and heat diversion grooves 14 arranged staggered and parallel on the diversion groove plate; there are cold fluid throu...

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Abstract

The invention discloses a pore plate cascade type heat exchange device. A heat exchange element of the heat exchange device is a pore plate type heat exchange element formed by alternately overlapping a plurality of pieces of perforated plates and sealing heat-insulating pads or sealants which have the same shape and size as the perforated plates; a plurality of rows of cold fluid through holes and heat fluid through holes are staggered in parallel on each piece of perforated plate; a diversion trough plate is arranged between the pore plate type heat exchange element and a cold-heat fluid combiner-divider; and a plurality of rows of heat diversion troughs and cold diversion troughs are staggered on the diversion trough plate in parallel. The invention improves the heat exchange efficiency and can ensure that the temperature of a cold fluid outlet approaches to the temperature of a heat fluid inlet and the temperature of the heat fluid outlet approaches to the temperature of the cold fluid inlet; meanwhile, a common-rib effect is formed among holes of the heat exchange element, thereby saving metal materials, the space and energy sources and increasing the heat exchange area; and a circular hole structure and holes adjacent to the circular hole structure mutually form an arched structure, thereby achieving the high-pressure resistance and widening the application field of the invention.

Description

technical field [0001] The invention relates to a kind of heat exchange equipment, in particular to an orifice plate cascade heat exchange device. Background technique [0002] The existing partition heat exchangers can be divided into tube heat exchangers, plate heat exchangers, casing heat exchangers and shell-and-tube heat exchangers according to the structure of the heat transfer surface; among them, the plate heat exchanger The heat area is large and the heat transfer performance is good, but the existing plate heat exchanger has the following disadvantages: (1) The heat return loss of the existing plate heat exchanger is large. This is because according to the heat exchange principle, as long as there is enough heat exchange time In the heat exchange process, the temperatures of the hot and cold heat exchange fluids will eventually become equal; the outlet temperature of the cold fluid in various countercurrent heat exchange equipment can only be higher than the outlet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D9/00F28F3/08F28F9/22
Inventor 刘小江刘宾
Owner HUNAN CHUANGHUA LOW CARBON ENVIRONMENTAL PROTECTION TECH
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