海宁三效蒸发器

1、蒸发操作的特点··················································3。四、加热蒸汽消耗量和各效蒸发水量的计算·······························8。

2、四、蒸发设备························································3。五、估计各效蒸发量和完成液浓度······································5。二、设计任务及操作条件···············································4。第三节三效蒸发器得工艺计算·················································5。

3、一、有效温差的再分配················································10。六、计算结果·························································12。第四节蒸发器的主要结构尺寸计算。一、化工原理课程设计。

4、–––––三效蒸发器的设计。南通大学化学化工学院。符号说明·····································································2。

5、第一节概述·································································3。一、蒸发及蒸发流程··················································3。二、加热室直径及加热管数目的确定·····································13、估计各效溶液的沸点和有效总温差··································6。一，各效由于溶液的蒸汽压下降所引起的温度差损失/···············7。

设计三效蒸发器

1、二，各效由于溶液静压强所因引起的温度差损失···················7。三，流体阻力产生压降所引起的温度差损失······················8。

2、四，各效料夜的温度和有效总温差·································8。三、重复上述计算步骤·············································10。一，计算各效溶液浓度··········································10。二，计算各效溶液沸点···········································10。

3、三，各效焓衡算·················································11。四，蒸发器传热面积的计算·······································12。

4、七、蒸发器选型························································4。第二节蒸发装置设计任务····················································4。一、加热管的选择和管数的初步估计·····································12。二、循环管的选择·····················································13。

5、三、设计题目······················································4。二、蒸发器的传热面积的估算··········································9。五、蒸发操作的分类··················································3。