催化裂化分馏塔底结焦是影响催化裂化装置长周期运行和正常生产的重要因素。本文通过对分馏塔底结焦现象的研究，分析其产生结焦的原因，提出合理的应对方案，减小和抑制分馏塔底结焦现象的发生，从而保证装置安全平稳运行。%Coking in the fractionator bottom is a key factor contributing to the long term operation of FCCU. This article describe the coking phenomenon in the fractionator bottom and analyzes the reason that why it arises. The solutions are offered to reduce the coking in the fractionator bottom and ensure the safe and stable operation of the unit.
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