A structure optimization method of a liquid-cooled plate heat exchanger

A technology of plate heat exchanger and optimization method, applied in the direction of indirect heat exchanger, heat exchanger type, heat exchanger shell, etc., can solve the problem that the heat dissipation effect cannot be considered alone, the pressure drop increases, and the heat dissipation improvement effect is small, etc. question

Active Publication Date: 2021-09-14
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this design cannot only consider the heat dissipation effect, but also from the perspective of system economy, try to avoid the situation where the pressure drop increases sharply after adding fins and the heat dissipation improvement effect is minimal

Method used

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  • A structure optimization method of a liquid-cooled plate heat exchanger
  • A structure optimization method of a liquid-cooled plate heat exchanger
  • A structure optimization method of a liquid-cooled plate heat exchanger

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Embodiment Construction

[0047] The present disclosure will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0048] like Figure 1-4 A liquid-cooled plate heat exchanger with a square structure is shown, including a bottom plate 10 and a cover plate 20. The bottom plate 10 and the cover plate 20 are square structures, and the cover plate 20 and the bottom plate 10 are assembled together to form a square cavity. The cooling liquid (preferably water) flows in the cavity, and baffles 401-404 and ribs 501-504 are arranged on the bottom plate 10, and the baffles include the first baffle 401 located in the center of the bottom plate, surrounded by the second A second baffle 402 outside the first baffle 401, a third baffle 403 outside the second baffle 402, and a fourth baffle 404 outside the third baffle 403;

[0049] As preferred, such as Figure 1-3 As shown, the first baffle 401 includes four pieces, and each first baffle 401 includes two baffle walls...

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Abstract

The invention provides a method for optimizing the structure of a liquid-cooled plate heat exchanger, including a bottom plate and a cover plate, the ribs are cylindrical, the length of the baffle wall of the fourth baffle is C, and four fourth baffles The length of the side of the fourth square is L, the distance between the centers of two adjacent ribs is S, and the diameter of the ribs is D, then the following requirements are met: (2*C) / L=a‑b* LN(D / S), where LN is a logarithmic function, 0.2157

Description

technical field [0001] The invention belongs to the technical field of heat exchangers, and in particular relates to a plate heat exchanger in which a flow guiding structure and fins are combined. Background technique [0002] The plate heat exchanger is the heat exchanger with the highest heat exchange efficiency among all kinds of heat exchangers at present. It has the advantages of small space occupation and convenient installation and disassembly. It is composed of stamped concave-convex stainless steel plates. The concave-convex lines between two adjacent plates are combined at 180 degrees. Therefore, the concave-convex ridges between the two plates of the plate heat exchanger form staggered contact points, and the contact points After being combined by vacuum welding, the high-pressure staggered flow structure of the plate heat exchanger is formed. These staggered flow structures make the hot and cold liquids in the plate heat exchanger generate strong turbulence and a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D9/00F28F3/06F28F9/22F28F9/24F28F27/02
CPCF28D9/0037F28F3/06F28F9/22F28F9/24F28F27/02
Inventor 张佳卉杨勇刘江权刘洋李源浩石军赵春伟曹元福籍力
Owner CHINA NORTH VEHICLE RES INST
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