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Wing-shaped structure, heat exchange plate, heat exchanger and heat exchange method

A heat exchange plate and airfoil technology, applied in airfoil structure, heat exchange plate, heat exchanger and heat exchange field, can solve the problems of limited space for heat transfer capacity improvement, easy scaling, blockage of flow channels, etc. Effects of nucleation and growth, number reduction, flow strength enhancement

Pending Publication Date: 2022-03-25
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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  • Claims
  • Application Information

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Problems solved by technology

However, the printed circuit board heat exchanger in the prior art has limited space for improving the heat transfer capacity, and it is easy to foul and block the flow channel

Method used

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  • Wing-shaped structure, heat exchange plate, heat exchanger and heat exchange method
  • Wing-shaped structure, heat exchange plate, heat exchanger and heat exchange method
  • Wing-shaped structure, heat exchange plate, heat exchanger and heat exchange method

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Embodiment Construction

[0044] In view of this, the present invention provides a airfoil structure, a heat exchange plate, a heat exchanger, and a heat transfer method, which has a high heat transfer efficiency, and can reduce the deposition of scale-based substances, which is more suitable for practical purposes. .

[0045] The inventors have been hard work, found that in the prior art, see figure 1 Attachment figure 2 Attach image 3 During the operation of the heat exchanger with the airfoil structure 7, although the inlet is provided with a filter, the fluid is inevitably containing some impurities. After a long run, it will scale in the airfoil channel, resulting in clogging or change The heat effect decreases. In addition, from the distribution of the flow rate of the airfoil channel, such as image 3 As shown, the width of the airfoil structure is faster, that is, the high speed region 4 is formed here, and the heat exchange effect is best. The fluid shocks to the leading edge of the airfoil structu...

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Abstract

The invention provides a wing-shaped structure, a heat exchange plate, a heat exchanger and a heat exchange method, and belongs to the technical field of heat exchangers. The wing-shaped structure comprises a shell, at least one flow channel is formed in the shell in the axial direction, each flow channel comprises a plurality of communicated containing cavities, each containing cavity is divided into a plurality of sub containing cavities with different inner diameters, and the sub containing cavities with the different inner diameters are communicated through miniature discrete channels. The heat exchange plate comprises a base plate and a plurality of wing-shaped structures, and the wing-shaped structures are fixedly arranged on the base plate. The heat exchanger comprises the heat exchange plate. The heat exchange method comprises the steps that working fluid enters the sub-containing cavities from the micro discrete channels of the wing-shaped structures; the working fluid in the sub-containing cavity enters the next sub-containing cavity through the micro discrete channel again, and circulation is carried out; and the working fluid leaves the wing-shaped structure after passing through the last sub-accommodating cavity on the flow path. The heat exchanger has the advantage of being high in heat transfer efficiency, and deposition of scale substances can be reduced.

Description

Technical field [0001] The present invention relates to the field of heat exchanger, and more particularly to a airfoil structure, heat exchange plate, heat exchanger, and heat exchange method. Background technique [0002] The heat exchanger is one of the important equipment in the fields of petrochemical, energy motivation. At present, most of the heat is converted by a heat exchanger. Therefore, the advantages and disadvantages of heat exchanger can directly affect the high low energy consumption in various fields. In recent years, with the supercritical CO 2 The hot development of the power generation system, the printed circuit board heat exchanger as an important part of the system, is also widely concerned. The printed circuit board heat exchanger has the characteristics of compact structure, high heat exchange efficiency, and can withstand high temperature and high pressure. However, the prior art printed circuit board heat exchanger heat transfer capacity is limited, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F13/06F28F19/00F28F3/00
CPCF28F13/06F28F19/00F28F3/00Y02P20/10
Inventor 成克用淮秀兰李勋锋刘斌
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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