Method of operation of a top-and-bottom blown converter
US4402739A · kind A · utility
2Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1982 |
| Grant date | Sep 6, 1983 |
| Priority date | — |
| Expiry date | Jul 13, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21C5/35
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In the operation of a top-and-bottom blown converter, top-blowing oxygen gas is blown such that the center of a hot spot created by the oxygen gas jet from each of the nozzles of a top-blowing multi-nozzle lance is positioned outside a bubbling region of the molten metal surface which rising bubbles of gas from bottom-blowing tuyeres reach.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.