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Wide-channel plate type heat exchanger and heat exchanger particle swarm optimization structure design method

A plate heat exchanger, particle swarm optimization technology, applied in the direction of heat exchanger type, heat exchanger shell, indirect heat exchanger, etc., can solve the problem of uncertain continuous distribution of shape parameters

Inactive Publication Date: 2019-08-23
CHINA UNIV OF MINING & TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a wide-channel plate heat exchanger and a particle swarm optimization structure design method for the heat exchanger to solve the problem of uncertain factors caused by the continuous distribution of shape parameters

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Embodiment 1

[0077] Embodiment 1: The present invention includes a wide-channel plate heat exchanger and a particle swarm optimization structure design method for the wide-channel plate heat exchanger.

[0078] The wide channel plate heat exchanger includes: plate bundle 1, connecting plate 2, side plate 3, baffle plate 4, casing 5, bottom plate 6, plate side shell 8 and tube side shell 10;

[0079] The bottom plate 6 is located on the bottom surface of the plate bundle 1, and there is a same hot water chamber at one corresponding two ends of the plate bundle 1; the hot water chamber has a side plate 3 extending outward at both ends of the side plate 3 There is a connecting plate 2, which is connected to the bottom plate 6 at one end of the side plate 3, and the plate side shell 8 is connected to the side plate 3; the hot water flow channel inlet 9 and the plate side shell 8 of the two hot water chambers are connected respectively. Hot water runner outlet 12;

[0080] There is a cold wate...

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Abstract

The invention discloses a wide-channel plate type heat exchanger and a heat exchanger particle swarm optimization structure design method, and belongs to the technical field of heat exchanger design.Six variables of a trapezoid boss on the surface of a single-layer heat exchange plate are extracted for forming structure parameters, and the design range is determined; an orthogonal method is adopted, and 25 sets of typical heat exchanger plates with different structures and operation conditions are generated; through Soliworks, the single-layer heat exchange plate is generated, and on the basis of Fluent numerical simulation software, a heat exchange nusselt number and the pressure drop of the corresponding heat exchanger plate structure are obtained; according to the obtained sample set,a heat exchange nusselt number and pressure drop comprehensive criterion relation model of a heat exchanger plate is fitted; the maximum heat exchange nusselt number and the minimum pressure drop serve as optimization targets, particle swarm optimization is adopted, and optimizing is carried out to obtain the structural parameters of the optimal heat exchanger plate; and the heat exchanger has theadvantages that the heat exchanger is suitable for finding shape parameters obviously affecting flowing and heat exchange characteristics of the plate type heat exchanger, under the condition that core parameters are continuously distributed, the shape parameter distribution range with the best heat exchange effect and meanwhile the minimum pressure drop losses can be searched.

Description

technical field [0001] The invention relates to the technical field of heat exchanger design, in particular to a wide channel plate heat exchanger and a particle swarm optimization structure design method for the heat exchanger. Background technique [0002] Plate heat exchanger is a highly efficient and compact heat exchange element, which has the outstanding advantages of compact structure, small volume and good economy. In particular, due to the effect of enhancing the heat transfer effect of the bellows, it is increasingly used in plate heat exchangers. Among them, the corrugation type, structural size, and internal flow characteristics of the bellows are important factors affecting the performance of the heat exchanger. Plate heat exchangers are divided into wide channel and detachable. The wide channel plate heat exchanger has a larger application range than the detachable plate heat exchanger due to the increased operating temperature and pressure. In order to impr...

Claims

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Application Information

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IPC IPC(8): F28D9/00F28F3/04F28F9/22F28F3/06
CPCF28D9/0037F28F3/046F28F3/06F28F9/22F28F2009/226
Inventor 郭一楠蒋东章程健吉建娇焦博韬巩敦卫
Owner CHINA UNIV OF MINING & TECH
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