Fluidized bed apparatus and method using same
US5332139A · kind A · utility
7Cited by
15References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1993 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | May 3, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2208/0046
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus is disclosed for heat treating a product. The apparatus includes a retort having a volume sized to receive a bed of fluidized particles having a predetermined elevation within the volume and a plurality of electrically powered infrared radiation sources. The sources are submerged within the bed of fluidized particles. Use of the apparatus to reclaim foundry sand is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.