Device for feeding fluidizing gas to the openings in a grid for supporting a bed of particles to be fluidized
US4968492A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Aug 16, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J8/44
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The device for feeding fluidizing gas to the openings (1) in a fluidizing grid (2) comprises an end piece (4) fitted on each bottom inlet (3) to each opening (1) and having a length e lying in the range between 0 and 0.5 times the diameter d of the end piece, and a cup (5a) into which the end piece extends, with the bottom (6) of the cup being at a distance i from the end piece, which distance may optionally be adjustable. The entire device is housed in a fluidizing gas feed box (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.