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2017-09-09View Original

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Reply #22017-09-10

Reply #32017-09-10

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Reply #42017-09-10

*",原因是？

Reply #52017-09-10

Reply #62017-09-11

"*应

Reply #72017-09-11

"*与萃取水有关。

Reply #82017-09-13

Reply #92017-09-17

"*预塔一般在塔顶或者回流槽加入萃取水，出现塔温倒挂应该是表示萃取水已经过量的一个明显标志，逐步减少萃取水倒挂的温度温差会逐步缩小，最终恢复正常。温度倒挂并不会影响预塔轻组分的去除，但是会增加下游的能耗、增加精馏操作的难度及成本。多余过量的水会导致蒸汽耗量增加、去污水处理的底水增加，无形中增加了成本。虽然不是大问题，但是分析原因、了解物质组分的变化在温度压力不变的情况下为精馏塔工况带来的变化，可以增加主控人员对整套精馏系统的认识。

Reply #102017-09-18

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