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Additive-manufacturing-oriented pulmonary alveolar bionic super heat exchanger structure and production method thereof

An additive manufacturing and heat exchanger technology, applied in the directions of additive manufacturing, additive processing, heat exchange equipment, etc., can solve the problem of heat exchangers and connecting pipes occupying production space, poor heat exchange effect, small heat exchange area, etc. problems, to achieve the effect of enhancing the anti-destructive ability, improving the heat exchange effect, and large heat exchange area

Active Publication Date: 2021-11-30
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional heat exchangers have the following disadvantages: small heat transfer area, poor heat transfer effect, suitable for use in small spaces such as homes, for places with large spaces such as factories, a large number of heat exchangers need to be installed to meet the use requirements, not only The investment is large, and more production space is occupied by the heat exchanger and the connecting pipeline; if the traditional tubular heat exchanger wants to improve the heat exchange efficiency, the most direct way is to use copper with high cost, and the thermal conductivity will be greatly improved. However, for the sake of cost performance, cheap stainless steel is still used in common occasions

Method used

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  • Additive-manufacturing-oriented pulmonary alveolar bionic super heat exchanger structure and production method thereof
  • Additive-manufacturing-oriented pulmonary alveolar bionic super heat exchanger structure and production method thereof
  • Additive-manufacturing-oriented pulmonary alveolar bionic super heat exchanger structure and production method thereof

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preparation example Construction

[0053] The present invention is a method for preparing an alveolar bionic super heat exchanger structure oriented to additive manufacturing technology. Firstly, the data model of the alveolar bionic super heat exchanger structure oriented to additive manufacturing technology is drawn, and then the cross-section of the data model is digitalized. Slice to obtain the slice data, import the slice data into the 3D printer, select the metal powder raw material according to the situation, and process it through the 3D printer to form a super heat exchanger structure based on the alveolar tissue structure for additive manufacturing. The specific steps are as follows:

[0054] S1. Determine the adjustable geometric parameters related to the structure of the alveolar bionic super heat exchanger according to specific needs and actual conditions, draw the three-dimensional data model of the structure through the commercial three-dimensional modeling software UG, and convert the obtained thr...

Embodiment 1

[0059] (1) Use the commercial 3D modeling software UG to draw a 3D data model of the alveolar bionic super heat exchanger structure for additive manufacturing technology. The side panel is a rectangular plate with a side length of 16.4mm, a height of 22.9mm, and a thickness of 1mm; the structural unit cell of the super heat exchanger forming the core body is shown in the following geometric model figure 2 , the radius of the widest part at both ends of the pipe is 4mm, the central curvature is 50mm, the angle between the pipe and the vertical direction is 45°, the length of the pipe is 20mm, and the thickness is 0.5mm. Convert the drawn 3D data model into STL format data and export it.

[0060] (2) Import the STL format data obtained in the previous step into the commercial model dissection software Cura, carry out digital cross-sectional slices to the three-dimensional data model, and obtain the slice data of the three-dimensional data model;

[0061] (3) Import the slice d...

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Abstract

The invention discloses an additive-manufacturing-oriented pulmonary alveolar bionic super heat exchanger structure and a production method thereof. The upper side and the lower side of a super heat exchanger structure core are correspondingly connected with an upper panel and a lower panel, wherein the super heat exchanger structure core comprises multiple super heat exchanger structure unit cells, the multiple super heat exchanger structure unit cells are periodically arranged between the upper panel and the lower panel, and liquid to be cooled is arranged in the super heat exchanger structure core, between the super heat exchanger structure core and the upper panel and between the super heat exchanger structure core and the lower panel. According to the additive-manufacturing-oriented pulmonary alveolar bionic super heat exchanger structure and the production method thereof, an additive-manufacturing-technology-oriented pulmonary alveolar bionic super heat exchanger is produced, the pulmonary alveolar bionic super heat exchanger structure is obtained, and has the advantages of being efficient in heat exchange, compact in structure and high in breaking strength, the designability is high, production is flexible, and the pulmonary alveolar bionic super heat exchanger structure has wide application prospects in the fields of aerospace, ships, high-end equipment and national defense military.

Description

technical field [0001] The invention belongs to the technical field of fluid heat exchange, and in particular relates to an alveolar bionic super heat exchanger structure oriented to additive manufacturing and a preparation method thereof. Background technique [0002] Heat exchangers are general-purpose equipment in many traditional industrial sectors. They are often used in petroleum, chemical, power, etc., and play an important role in daily production and life. Traditional heat exchanger forms include partitioned, hybrid and regenerative. Traditional heat exchangers have the following disadvantages: small heat transfer area, poor heat transfer effect, suitable for use in small spaces such as homes, for places with large spaces such as factories, a large number of heat exchangers need to be installed to meet the use requirements, not only The investment is large, and more production space is occupied by the heat exchanger and the connecting pipeline; if the traditional t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F19/02F28F21/00B22F10/20B22F10/38B33Y10/00B33Y80/00
CPCF28F21/00F28F19/02B22F10/20B22F10/38B33Y10/00B33Y80/00Y02P10/25
Inventor 韩宾李芸瑜王泽雨王钥张琦
Owner XI AN JIAOTONG UNIV
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