精馏段塔盘数为19，汽提段塔盘数为20，酚回收段塔盘数为5。
The actual plates of rectifying, stripping and phenol recovery section were 19, 20 and 5 respectively.
建立了前置烧焦罐式高效再生器催化裂化装置的提升管反应器和汽提段的动态数学模型。
A dynamic model of mechanism has been developed for the reactor and stripper of a fluid catalytic cracking unit (FCCU) with a high efficiency regenerator.
认为沉降器汽提段穿孔部位均发生在汽提蒸汽附近，汽提蒸汽流化异常状态是造成穿孔的根本原因。
It is concluded from the analysis that the culprit of cracking is the mal-fluidization of stripping steam as all the crackings of stripping section have devel - oped near the steam.
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