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English Translations » 炼制(催化焦化深加工) » What are the reasons for poor cooling efficiency in the vent

What are the reasons for poor cooling efficiency in the vent water tank of a delayed coking unit?

2017-08-26View Original

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During the gas and water injection phase in the coking unit, the gas velocity is around 180 m/s; the oil at the bottom of the vent tower fails to cool down. What could be the reasons for this? The circulation volume is okay
Reply #22017-08-26
Reduce the temperature of the overhead circulation oil and appropriately increase the overhead circulation rate.
Reply #32017-08-26
Didn’t you install a return line for the vent tower?

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Translated at 2026-07-21 05:07:12

Original: https://bbs.hcbbs.com/thread-1830881-1-1.html

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