连续盘式热风干燥器干燥盘结构设计与传热分析

为使食品得到更好的干燥以及提高干燥生产效率,在分析盘式干燥器工作原理的基础上,对干燥盘零件进行了几何结构设计、应力及变形分析,给出所选制造材料厚度的计算公式;分析干燥盘在工作中与物料颗粒的传热过程,总结出传热系数公式。参考该文相关理论生产的盘式干燥器运行良好,干燥效果显著。

Structure design and heat transfer analysis of drying tray part of hot-air disc dryer

To make the food be dried better as well as improve the drying efficiency, based on the analysis of the working principle of rotary disc dryer, for its critical part drying tray, the geometry structure design, the stress and its deformation were analyzed. Moreover, the calculating formulas of the thickness of the steel material manufactured for the drying tray were also provided. After analyzing the heat transfer process between drying tray and bulk solids bed in the work, the heat transfer coefficient formula was then summed up. According to the relevant theory given in this study, rotary disc dryer was built and ran well, and its drying effect was remarkable.