Method for quenching heated coke to limit coke drum stress

Details Method for quenching heated coke to limit coke drum stress Method for quenching heated coke to limit coke drum stress

C - Chemistry, Metallurgy

10

B

202/7

C10B 39/04 (2006.01) C10B 39/06 (2006.01)

Patent

CA 1273892

ABSTRACT The present invention provides a method of quenching heated coke in a coke drum. Quench water is fed into the coke drum to cool the coke, and the stress in the coke drum wall is monitored during the quenching. The rate of feeding the quench water into the coke drum is regulated to prevent the stress in the coke drum wall from exceeding a predetermined limit. The stress is monitored by measur- ing either the longitudinal thermal gradient or the rates of change in the drum wall temperature over time.

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