Method of regenerating catalyst in a swirl type regenerator containing a dilute phase baffle
US4036779A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1976 |
| Grant date | Jul 19, 1977 |
| Priority date | — |
| Expiry date | Oct 20, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J8/26
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A regenerator design and method are provided which rely upon a segmented regeneration gas distributor grid to vary regeneration gas flow upwardly through the bed of catalyst above. The design includes an expanding annular section formed by a curved vertically extending baffle positioned adjacent and downstream of the catalyst tangential inlet and a radical dilute phase baffle extending from slightly beneath the bed surface to above the cyclone inlets. The width of the dilute phase baffle is from the wall of the regenerator to the center thereof, and beyond the rim of the catalyst outlet. Further, all cyclone diplegs between the outlet and inlet should be positioned to discharge tangentially to the swirl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.