阐述了延迟焦化装置焦化分馏塔塔顶结盐的现象，并分析了结盐的原因，提出了一些处理方案和相应的预防措施。
Phenomena of salt coagulation in catalytic fractionating column were expounded and the reason of salt coagulation was analyzed.
催化裂化装置改造后，液化气产量增加，需要提高气体分馏装置的处理能力。
After the technological innovation of the FCC plant, the yield of LPG was increased, the capacity of LPG fraction plant had to be enlarged.
探讨了采用规整填料使催化裂化分馏塔处理能力翻番和提高分馏效率的有效途径。
The adoption of high efficiency structured packing as an effective way to increase the capacity of the FCCU fractionator as well as to increase its fractionation efficiency is investigated.
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