Paired straight hearth (PSH) furnaces for metal oxide reduction
US6257879A · kind A · utility
7Cited by
4References
12Claims
0Family size
Inventors
Key dates
| Filing date | Feb 22, 2000 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Feb 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/122
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Equipment for the reduction of metal oxides with carbonaceous reductants includes a pair of straight moving hearth furnaces each having a charging end and a discharging end. Each furnace has a train of detachable hearth sections to enable each hearth section to be removed at the discharging end of one furnace and attached at the charging end of the other furnace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.