["烯烃分離問題", "本帖最後由 liaifeng 于 22218-8-3

2018-01-28View Original

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本帖最后由 liaifeng 于 2018-8-3 22:30 编辑烯烃分离工艺中，如何避免反应气自水洗塔和碱洗塔后带水的现象？

Reply #22018-01-28

碱洗塔水洗段液位不要控制太高，另外水洗段除沫网是不是有损坏。

Reply #32018-02-01

控制好碱洗塔的压差，压差波动过大，容易导致反应气带水

Reply #42018-02-01

除沫器、碱洗塔压差，操作压力波动！

Reply #52018-03-05

气相负荷控制在设计范围内，稳定操作压力，防止出现雾沫夹带。温度也很关键，以水洗塔为例：进气温度低于洗涤温度，水向气相蒸发。进气温度高于排气温度，气相中水蒸气发生部分冷凝，水洗塔液位会上升。另外，水洗水和碱液可能发泡造成带水，那就需要向系统中加消泡剂。

Reply #62020-07-11

气相负荷超过设计负荷多，水洗塔填料堵压差高，水洗量过大，除沫网损坏等

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["烯烃分離問題", "本帖最後由 liaifeng 于 22218-8-3

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