Blast furnace smelting of zinc
US4371151A · kind A · utility
0Cited by
5References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 1, 1978 |
| Grant date | Feb 1, 1983 |
| Priority date | — |
| Expiry date | Aug 1, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21B7/16
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A tuyere for a blast furnace, the main body of the tuyere being in the form of a tube with a central bore and the nose portion of the tuyere having a downwardly-inclined hood-like extension of the upper wall of the tube, whereby gas passing through the nose of the tuyere is deflected downwardly by the said extension, which extension has a gas outlet aperture of greater area than the cross-sectional area of the bore of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.