Delayed coking cycle time reduction

Details Delayed coking cycle time reduction Delayed coking cycle time reduction

C - Chemistry, Metallurgy

10

G

C10G 9/14 (2006.01) C10B 55/00 (2006.01)

Patent

CA 2282475

The cycle time for a delayed coker unit is reduced by externally heating the coke drum (10, 12) near the junction of the drum shell and the supporting skirt thereof prior to beginning the hot coker feed fill step. This reduces the thermal stresses at the area around the welds of the drum skirt.

On réduit la durée du cycle dans une unité de cokéfaction différée par échauffement externe du four à coke (10, 12) à proximité de la jonction entre la paroi du four et la jupe support du four, avant d'entamer la phase de charge du cokeur à chaud. Cela permet de réduire les contraintes thermiques dans les zones proches des soudures de la jupe du four.

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