Coke drum deheading device

Details Coke drum deheading device Coke drum deheading device

1994-06-30

1996-03-19

Manoharan, Virginia

Distillation: apparatus

Apparatus

Elements

49249, 202248, 202262, 202270, 248654, 414216, 414401, 4146843, C10B 3300, C10B 4300

Patent

active

055000940

ABSTRACT:
A vessel unheading device and method especially suited to handle shot coke produced in a delayed coker unit of a petroleum refining process. The device includes a car having mounted thereon one or more bottom head retracting support members which can be laterally positioned below the head assembly. The support member includes a vertically retractable member suitable for elevating a bearing plate mounted at an upper end thereof into pivotable load bearing engagement with the head, and a horizontally retractable member having one end attached to the bearing plate and another end attached to the vertically retractable member for applying a pivot force. Shot coke or other debris is captured from the opened vessel by a mobile chute wheeled into position adjacent the unheading car. Following complete retraction, the head is transported to a remote location for maintenance.

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patent: 5294157 (1994-03-01), Smith et al.
Nagy et al., Oil & Gas Journal, pp. 77-80, May 29, 1989.
Hahn & Clay FACT Closure Installation, Operation, and Maintenance Manual, May 1991.

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