Delayed coking cycle time reduction

Details Delayed coking cycle time reduction Delayed coking cycle time reduction

1997-06-20

1999-04-06

Yildirim, Bekir L.

Distillation: processes, thermolytic

By conduction using preheated charge container or preheated...

201 41, 202 84, 202 99, 202221, 202262, 202268, 208131, 208132, C10B 2904, C10B 1700

Patent

active

058913106

ABSTRACT:
The cycle time for a delayed coker unit is reduced by externally heating the coke drum 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.

REFERENCES:
patent: 4634500 (1987-01-01), Elliott et al.
patent: 5076895 (1991-12-01), Greenfield et al.
patent: 5083374 (1992-01-01), Miller
patent: 5804038 (1998-09-01), Nelsen

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