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I-shaped tree type cross flow heat exchanger

A cross-flow, heat exchanger technology, applied in the direction of heat exchanger type, heat exchanger shell, indirect heat exchanger, etc., can solve the problems of pump power consumption and heat transfer performance mismatch, unreasonable fluid delivery path, etc. Achieve the effect of reducing pump power consumption, improving flow heat transfer efficiency, and offsetting flow length

Inactive Publication Date: 2011-06-01
SOUTHEAST UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that existing tube-bundle cross-flow heat exchangers have unreasonable fluid delivery paths in heat exchange tube bundles, mismatched pump power consumption and heat transfer performance in the structural design of existing tube-bundle cross-flow heat exchangers

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  • I-shaped tree type cross flow heat exchanger
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  • I-shaped tree type cross flow heat exchanger

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing.

[0021] figure 1 , figure 2 A schematic structural view of the "I" shape tree cross-flow heat exchanger of the present invention is given. A cross-flow heat exchanger with a characteristic heat exchange tube bundle of "I" shape tree structure, which is composed of main parts such as "I" shape tree heat exchange tube bundle 5, a shell 6, a tube box, and a tube sheet. The cross-sectional shape of the shell 6 is generally rectangular, the tube box is divided into left tube box 2 and right tube box 8, the tube sheet is divided into left tube sheet 3 and right tube sheet 7, left tube box 2, right tube box 8 and left tube sheet 3. The right tube sheets 7 are respectively located on both sides of the shell 6, and the "I"-shaped tree-shaped heat exchange tube bundles 5 are spread out in a planar manner, and the main communication pipes 4 located on both sides of the "I"-shaped tr...

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Abstract

The invention discloses an I-shaped tree type cross flow heat exchanger which comprises a heat exchange tube bundle, a shell, a tube box and a tube plate, wherein the tube box and the tube plate are positioned at two sides of the shell; two ends of the heat exchange tube bundle are fixed on the tube plate, and are communicated with the tube box after penetrating through the tube plate; the heat exchange tube bundle is of the I-shaped tree structure; the I-shaped tree structure at least comprises one tree unit structure, wherein each tree unit structure comprises heat exchange tube bundles with two layers of tree structures and tail end communicating pipelines, and the last stage branch ports of the heat exchange tube bundles of the two layers of tree structures are communicated by the tail end communicating pipelines. According to the invention, the shell space is fully utilized, the heat exchange area required by the heat exchange of fluid is increased greatly, the path optimization functions of fluid transportation and energy transmission are realized, the power consumption of a fluid flow pump can be decreased effectively, and the flow heat exchange can be intensified, and the aim of efficient heat exchange and energy conservation is achieved.

Description

technical field [0001] The invention relates to a heat exchange device, in particular to an "I"-shaped tree-shaped cross-flow heat exchange with "I"-shaped tree-shaped heat exchange tube bundles designed to enhance the comprehensive performance of flow and heat exchange. device. Background technique [0002] Cross-flow heat exchanger is a main type of partition heat exchanger, which has the characteristics of high heat transfer efficiency, compact structure and good economy. It is widely used in mechanical power, refrigeration and low temperature, automobile, aviation and aerospace and other fields. It is used to solve the heat transfer of single-phase flow and multi-phase flow and the heat transfer reaction in the reactor. [0003] The tube-bundle heat exchange surface structure is a commonly used method in the design of cross-flow heat exchangers. The tube-bundle cross-flow heat exchanger usually arranges many parallel tube bundles in a shell, and the hot and cold fluids...

Claims

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Application Information

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IPC IPC(8): F28D7/00F28F1/00F28F9/00F28F13/00
Inventor 陈永平杨立波张程宾施明恒
Owner SOUTHEAST UNIV
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