基于温度和风速均匀性的热风烘房结构优化  

Structural Optimization of Hot Air Drying Room Based on Temperature and Wind Speed Uniformity

作　　者：陈家乐 CHEN Jiale(School of Electromechanical and Architectural Engineering,Huaibei Institute of Technology,Huaibei Anhui 235000)

机构地区：[1]淮北理工学院机电与建筑工程学院,安徽淮北235000

出　　处：《湖北理工学院学报》2025年第2期1-4,24,共5页Journal of Hubei Polytechnic University

基　　金：安徽省高等学校科学研究项目(自然科学类)(项目编号:2022AH052271)。

摘　　要：针对现有热风烘干机因气流分布不均导致不同烘干层干燥质量差异显著的问题,文章优化了热风烘房的机械结构设计以提高温度与风速的均匀性。基于SolidWorks建立了热风烘房三维模型,采用Fluent软件对气流组织进行数值模拟。模拟结果显示,在原热风烘房的机械结构中,入口与出口区域风速显著偏高,其余区域风速偏低,导致各层之间干燥质量不同。通过拓展托盘前后空间、调整热风出口方向与数量、对比不同托盘间距和出口尺寸的组合方案筛选最优结构参数。当托盘间距为30 mm、热风出口数量为3个(单出口尺寸150 mm)、出口方向反向调整时,热风烘房整体气流分布均匀性最佳。To address the issue of the inconsistent drying quality across different layers in existing hot-air dryers caused by uneven airflow distribution,this study optimizes the mechanical structure of the hot-air drying chamber to improve the temperature and wind speed uniformity.A 3D model of the hot-air drying chamber was established based on SolidWorks,and the air-flow organization was numerically simulated through Fluent software.Simulation results revealed significantly higher wind speeds in inlet/outlet zones compared to other areas in the original structure,leading to quality variations between layers.By expanding the space in front of and behind the trays,adjusting the direction and number of hot-air outlets,and comparing different combination schemes of tray spacing and outlet sizes,the optimal structural parameters are screened.After the structural optimization,it is found that when the tray spacing is 30 mm,the number of hot-air outlets is 3(with a single-outlet size of 150 mm),and the outlet direction is adjusted in the reverse direction,the overall airflow distribution uniformity of the hot-air drying chamber is the best.

关 键 词：农副产品干燥 Fluent软件 热风烘房 热风流场分析 结构优化 

分 类 号：TS203[轻工技术与工程—食品科学] S237[轻工技术与工程—食品科学与工程]