Unheading device and method for coking drums
US4726109A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1986 |
| Grant date | Feb 23, 1988 |
| Priority date | — |
| Expiry date | Oct 9, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4973
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.