Reduction of metal stresses in delayed coking drums

Details Reduction of metal stresses in delayed coking drums Reduction of metal stresses in delayed coking drums

1997-09-08

1998-09-08

Bhat, Nina

Distillation: processes, thermolytic

Quenching char with an inert material

201 43, 202227, 2022671, 202270, 208131, C10B 3900, C10B 4500, C10B 2900

Patent

active

058040382

ABSTRACT:
The metal stresses in a delayed coke drum are reduced by externally cooling the coke drum near the junction of the drum shell and the supporting skirt thereof during the quench step. This reduces the metal stresses at the area around the welds of the drum skirt.

REFERENCES:
patent: 4634500 (1987-01-01), Elliot et al.
patent: 5628603 (1997-05-01), Antalffy et al.

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