影响分馏塔底结焦的因素有分馏塔底油浆的组成、温度、催化剂含量及停留时间。
Factors affecting coking at the bottom of the fractionator are composition of slurry, temperature, catalyst content and residence time.
分馏系统加注油浆防垢剂及控制合适的外甩油浆量和分馏塔底温度，可以有效防止结焦。
Coking in the fractionation system has been resolved by injecting slurry antifoulant and controlling the amount of slurry running down and the bottom temperature.
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