Sealing system for a fluid catalyst cracking regenerator
US9233354B1 · kind B1 · utility
2Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2014 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Jul 31, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2208/00991
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A regenerator for an FCC apparatus. The regenerator includes a riser inside of a shell. The riser includes a cone and a cone skirt. An annulus is formed between the riser and the shell. A sealing system for keeping catalyst out of a portion of the annulus comprises a first sealing element and a second sealing element disposed above the second sealing element. The second sealing element comprises a ring having one or more plates being movable to accommodate the thermal expansion of the riser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.