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Re: Minimum turndown of DCU heater

From: Coker Squirrel
Category: Safety
Date: 09 Jan 2005

Comments

Happy New Year CAT! The primary objective is to reduce coke lay-down (coking) in the tubes, not external deposits on the tubes. This would extend run lengths between spalling. Another benefit would be a lower tube skin temperature. This would extend the life of the tubes.


Last changed: November 12, 2008