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From: lucke
Category: Process
Date: 13 Jan 2005
Hola, if I remember correctly, the suction strainers of your charge pumps have been removed long time ago due to the reasons you mentioned, right? The pumps have coke crushers and therefore was no need for extra pressure drop. Do you see any changes in bottom level when the t peaks occure? Did you check the level instruments? Have you checked the t peaks against the status of the drum cycle? Do you see any correlation to drum switches or changes in quench oil flow or drum vapour flow? Saludos, Eberhard