Unheading device and method for coking drums

Details Unheading device and method for coking drums Unheading device and method for coking drums

1986-10-09

1988-02-23

Echols, P. W.

Metal working

Method of mechanical manufacture

Repairing

2940203, 202241, C10B 4302

Patent

active

047261099

ABSTRACT:
A device for remotely unheading delayed coking drums and method for remotely operating the device. The device includes a head unit for attachment to a lower flange of a coking drum and fastening means by which a plurality of swing bolts are disconnected by remotely operated detensioning equipment, and a platform device which lowers the header unit, moves it laterally to one side, and tips it for cleaning. A chute attached to the platform is brought into engagement with the coke drum lower flange for removal of coke from the drum. Following the coke removal, the chute is removed and the head unit is remotely reconnected to the coker drum lower flange. The invention also discloses a method for remotely operating the unheading device.

REFERENCES:
patent: 3160573 (1964-12-01), Nepomniashtshy
patent: 3836434 (1974-09-01), Novy
patent: 4611613 (1986-09-01), Kaplan
patent: 4626320 (1986-12-01), Alworth et al.

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