Bottom unheading device and method for vertical vessels

Details Bottom unheading device and method for vertical vessels Bottom unheading device and method for vertical vessels

C - Chemistry, Metallurgy

10

B

196/72

C10B 25/14 (2006.01) C10B 25/10 (2006.01) C10B 33/00 (2006.01)

Patent

CA 1324973

BOTTOM UNHEADING DEVICE AND METHOD FOR VERTICAL VESSELS ABSTRACT OF THE DISCLOSURE An unheading device adapted for unheading vertical vessels such as coking drums and a method for remotely operating the device. The unheading device includes a cover unit for attachment to a lower flange of a coking drum which is fastened by a plurality of swing bolts that are disconnected by remotely operated detensioning equipment, and frame device which can lower the cover unit and a carriage that moves it laterally to one side. A chute attached to the frame can be raised into engagement with the coking drum lower flange for removal of coke from the drum. Following such coke removal, the chute is lowered and the cover unit is moved laterally and remotely reconnected to the coking drum lower flange. Also disclosed is a method for remotely operating the unheading device.

582121

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