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| Analysis of Temperature Field Characteristics and Structural Optimization of Coating Machine Oven |
| Received:December 20, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.06.020 |
| Key Words:coating machine oven analogue simulation analysis of temperature field characteristics structural optimization |
| Fund Project:2024年陕西省重点项目-关键核心技术攻关-区域创新能力提升（2024QY2-GJHX-29）。 |
| Author Name | Affiliation | Postcode | | KUANG Yan* | Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | HOU Heping* | Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | SUN Yuxiang | Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | LIU Shanhui | Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | JING Hui | Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | ZHANG Yiming | Weinan Zheng Qi Printing & Packaging Machinery Co., Ltd., Weinan, Shaanxi Province, 714000 | 714000 |
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| Abstract:3D modeling and fluid simulation software were used to simulate the flow field of the coating machine oven，and discovered that the temperature of the drying oven flow field was uneven in the length direction and the temperature variance at each nozzle was large. Aiming at the above problems， the structure of the oven was optimized from the angle radius of the deflectors， the position of the air inlet， and the number of the deflectors. Multiple sets of comparative simulation experiments were designed. The result showed that increasing the corner radius of the deflectors would increase the temperature of the two air noses close to the back of the deflectors， and the change of the position of the air inlet of the oven would significantly increase the temperature distribution on the surface of the substrate. Increasing the number of deflectors and rationally setting its structure size and space position could reduce the temperature distribution of the substrate surface by making the hot air stay in the middle of the air chamber of the oven. According to the above conclusions， the oven model was further optimized to reduce the average temperature difference at each air nozzle from ±4.5 ℃ to ±2.5 ℃， which could provide reference and theoretical basis for subsequent oven design or optimization. |
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