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Plate-shell heat exchanger with oval corrugated plates

A corrugated plate and elliptical technology, which is applied in the field of elliptical corrugated plate and shell heat exchangers, can solve the problems of unsatisfactory heat transfer coefficient of circular corrugated plates, affecting heat transfer effect, affecting heat transfer, etc., to achieve overall Simple and compact structure, enhanced heat transfer, large heat transfer area

Inactive Publication Date: 2014-10-08
HARBIN ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One is that there is a gap at the connection between the corrugated plate and the guide block, so leakage is easy to occur, which affects heat transfer; the other is that the heat transfer coefficient of the circular corrugated plate is not ideal, which affects the heat transfer effect

Method used

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  • Plate-shell heat exchanger with oval corrugated plates
  • Plate-shell heat exchanger with oval corrugated plates
  • Plate-shell heat exchanger with oval corrugated plates

Examples

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Embodiment Construction

[0028] Such as figure 1 , figure 2 As shown, the elliptical corrugated plate plate-shell heat exchanger of the present invention consists of a plate-side inlet 1, a plate-side outlet 7, a shell-side inlet 6, a shell-side outlet 11, a shell-side inlet chamber 14, a shell-side outlet chamber 12, The corrugated plate bundle 10, the support plate 3 (a pair), the guide block 4 (a pair, which also has the function of a support), the cover plates 2 and 8 on both sides, and the shell 5 are composed of components such as the corrugated plate bundle A guide block 4 is provided between 10 and the shell 5, and the guide block 4 divides the annular area between the corrugated plate bundle 10 and the shell 5 into a shell-side inlet chamber 14 and a shell-side outlet chamber 12, The corrugated plate bundle 10 is welded to the support plate 3 (a pair) through corner holes, and is placed in the housing 5 through the support plate 3 (a pair) and the guide block 4 (a pair). The two ends of th...

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Abstract

The invention relates to a plate-shell heat exchanger with oval corrugated plates. The multiple oval corrugated plates form a corrugated plate bundle, each corrugated plate is provided with two corner holes correspondingly, the corrugated plate bundle is arranged in a shell, the shell is provided with a plate pass inlet and a plate pass outlet, and the plate pass inlet and the plate pass outlet are communicated through the corner holes in the corrugated plates; a guide block is formed between the corrugated plate bundle and the shell and divides the annular area between the corrugated plate bundle and the shell into a shell pass inlet cavity and a shell pass outlet cavity; the shell is provided with a shell pass inlet and a shell pass outlet correspondingly. The plate-shell heat exchanger is characterized in that the corrugated plates are oval, and the two corner holes of each corrugated plate are formed in the upper portion and the lower portion of the corrugated plate respectively.

Description

technical field [0001] The invention relates to an oval corrugated plate-shell heat exchanger. Background technique [0002] Plate heat exchangers are widely used in energy, power, heating, refrigeration and other fields due to their high heat transfer efficiency and compact structure. With the maturity of plate heat exchanger technology, it has replaced the traditional shell and tube heat exchanger in some fields. However, the existing rectangular plate heat exchanger generally has the problem of low pressure bearing capacity. In common high pressure fields such as petrochemical industry, the application of plate heat exchanger has been greatly restricted. Developing a plate heat exchanger that can withstand high pressure and has a compact structure has broad application prospects in the field of energy and power. Although there are some fully welded plate and shell heat exchangers at present, their working pressure generally does not exceed 4.5MPa, and their volume is r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D9/00F28F3/08
Inventor 谷德林阎昌琪孙刚李丹丹张小彬丁铭李鹤梁丹丹沈根
Owner HARBIN ENG UNIV
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