Method of quenching heated coke to limit coke drum stress

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

1985-07-15

1987-01-06

Richman, Barry S.

Distillation: processes, thermolytic

Quenching char with an inert material

202227, 374 45, C10B 3904, C10B 3906

Patent

active

046345000

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 measuring either the longitudinal thermal gradient or the rates of change in the drum wall temperature over time.

REFERENCES:
patent: 3611787 (1971-10-01), D'Annessa et al.
patent: 3936358 (1976-02-01), Little
patent: 4168224 (1979-09-01), Jansma
patent: 4358343 (1982-11-01), Goedde et al.
patent: 4409067 (1983-10-01), Smith

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