Apparatus for introducing gas into a metallurgical vessel
US4741515A · kind A · utility
10Cited by
13References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 20, 1986 |
| Grant date | May 3, 1988 |
| Priority date | — |
| Expiry date | Oct 20, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21C5/35
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Apparatus for introducing reactive and nonreactive gases through the refractory lining of a metallurgical vessel, such as bottom injection of such gases into a BOF to improve mixed blowing efficiency. The apparatus comprises one or more refractory blocks which may be set within a metal canister. The refractory blocks have a plurality of slots each containing one or more small diameter nonreactive metal tubes for conveying gases. The refractory block may also contain means for measuring the rate of wear of the refractory blocks in the canister.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.