Plate-shell heat exchanger

A heat exchanger, plate and shell technology, applied in the field of heat exchange equipment, can solve the problems of low heat transfer efficiency, poor pressure bearing capacity, large structure, etc., achieve high heat transfer efficiency, overcome poor pressure bearing capacity, and save investment and the effect of taking up space

Active Publication Date: 2007-11-14
北京市京海换热设备制造有限责任公司
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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 provide a plate and shell heat exchanger to solve the technical problems of poor pressure bearing capacity, low heat transfer efficiency, bulky structure and poor robustness of the previous plate heat exchangers.

Method used

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Embodiment Construction

[0020] Specific embodiments of the present invention refer to accompanying drawings. The structure diagram in Figure 1 reflects the general assembly diagram of the plate and shell heat exchanger. The plate and shell heat exchanger has a shell 4, and the two ends of the shell 4 are the left and right side heads 2, 11 of the shell. At the left and right ends of the shell 4 are the tube side inlet 1 and the tube side outlet 10, which are respectively connected to the two ends of the tube side flow channel of the plate tube bundle 5 through the expansion joint 9 and the tube side outlet box 8. According to the customary name of the heat exchanger, the flow channel parallel to the axis of the shell is called the tube side. The purpose of connecting the outlet pipe box of the tube side with an outlet pipe with an expansion joint is that the tube bundle can be freely expanded and contracted in the shell by means of the expansion joint plate. Shell-side inlets and outlets 12 and 3 a...

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Abstract

This invention discloses a board shell type heat interchanger, its main package loam board tube control, shell, tube Cheng Yuke regulation import and export; States the board tube control by the stack-up to combine in the together compound flow channel ripple slab composes, in each piece of slab plane arranges in turn has V shape concavity ripple trough, states the ripple trough according to assume the mutually perpendicular neighboring, and two kind of different orientation's ripple trough vertical side becomes an acute angle separately with slab two orientation, states slab, reverse side relative combination, forms the mutually perpendicular in its neighboring two interior, and gap heat transfer tube Cheng Heke regulation two kind of compound flow channels; States the tube regulation flow channel both sides through to pass in and out the oral siphon box and the belt separately inflates the festival the export to connect; States the shell regulation both sides to connect separately with the shell regulation import and export. This invention has at the same time the disc heat interchanger heat transfer efficiency to be high, compact is good and the shell type heat interchanger sturdy construction the merit, simultaneously it has overcome former disc heat interchanger bearing pressure ability difference and the shell type heat interchanger heat transfer efficiency is low and structure huge shortcoming.

Description

technical field [0001] The invention relates to a heat exchange device, in particular to a device used for heat exchange between two fluid media in the fields of petroleum refining, chemical industry, electric power, metallurgy and the like. Background technique [0002] The heat transfer tubes used in the current shell and tube heat exchangers are circular tubes. According to national standards, the most commonly used tube diameters for shell and tube heat exchangers are 25mm and 19mm. The advantages of this kind of heat exchanger are firm structure and high elasticity, but the disadvantages are low heat transfer efficiency, poor compactness, and takes up a large space. In addition, a plate and shell heat exchanger has appeared in recent years, which is characterized by high compactness and heat transfer efficiency, but its disadvantage is that the corrugated shape of the plate is single and the heat transfer coefficient is not high. At the same time, its pressure bearing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D1/03
Inventor 赖周平程宝华戴宗惠王长明
Owner 北京市京海换热设备制造有限责任公司
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