化工原理课程设计-1-字符说明...........................................................................................................................................................-2-第一节概述...............................................................................................................................................-3-一．蒸发及蒸发流程...............................................................................................................................-3-二．蒸发操作的分类...............................................................................................................................-3-三．蒸发操作的特点...............................................................................................................................-3-四、蒸发设备...........................................................................................................................................-4-五、蒸发器选型.......................................................................................................................................-4-第二节蒸发装置设计任务..............................................................................................................................-5-一、设计题目...........................................................................................................................................-5-二、设计任务及操作条件........................................................................................................................-5-第三节三效蒸发器得工艺计算....................................................................................................................-5-一、估计各效蒸发量和完成液浓度........................................................................................................-5-二、估计各效溶液的沸点和有效总温差................................................................................................-6-三加热蒸汽消耗量和各效蒸发水量的计算..........................................................................................-8-四、蒸发器的传热面积的估算................................................................................................................-9-五、有效温差的再分配............................................................................................................................-9-六、重复上述计算步骤..........................................................................................................................-10-七、计算结果.........................................................................................................................................-11-第四节蒸发器的主要结构尺寸计算....................................................................................................-12-一、加热管的选择和管数的初步估计..................................................................................................-12-二、循环管的选择.................................................................................................................................-12-三、加热室直径及加热管数目的确定..................................................................................................-12-四、分离室直径与高度的确定....................................................................................
