半湿物料粘壁主要与喷雾干燥塔结构、雾化器结构、安装、操作以及热风在塔内的运动状态有关。物料熔点低于干燥温度时容易产生热熔性粘壁。
The wall sticking of half wet material is concerned to the structure, fixing and operation of spray drying tower and sprayer, the motion of hot air in tower.
本文用膨润土颗粒在悬浮态下干燥的实验测试数据,对该类物料的干燥机理进行了剖析,在此基础上回归了一个半理论半经验的干燥动力学模型。
With the analysis on the drying mechanism of sodium based bentonite, a semi-theoretical kinetic model is regressed by using the experimental data of drying the material in suspended state.
报春花喜好半阴,潮湿和肥沃的土壤,如果气候炎热和干燥,它们会休眠。
They like partial shade and moist, rich soil and go dormant if they are hot and dry.
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