Handling of faults in the raw oil riser of a coaxial catalytic cracking unit

2025-09-08View Original

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In a coaxial catalytic cracking unit, what is the safe and effective way to handle the situation when the feed riser suddenly breaks, causing the inventory in the stripping section to get out of control (dropping to 0 instantly)?

Reply #22025-09-08

Does this situation mean the main wind needs to be turned off? It is still better to cut the feed to maintain the pressure difference for catalyst circulation

Reply #32025-09-10

Regarding this issue, I only know that it has occurred in the Changlian plant; I’m not sure about other facilities

Reply #42025-09-24

I would like to ask how to stop safely in order to avoid a large number of cross-connections

Reply #52025-09-24

May I ask how to stop safely?

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Handling of faults in the raw oil riser of a coaxial catalytic cracking unit

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