Refractory nozzle for a metallurgical vessel
US6832707B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2003 |
| Grant date | Dec 21, 2004 |
| Priority date | — |
| Expiry date | Jan 31, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/60
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A refractory nozzle is provided for a metallurgical vessel, in particular for steel melts, wherein the nozzle has a flow-through opening with an upper end, a lower end, and an inner wall laterally enclosing the flow-through opening. In order to improve known discharge nozzles, in particular with regard to their thermal shock resistance, a heater and/or a thermal insulating material, that dissolves or bums upon contact with fluid steel, is arranged along the inner wall in the flow-through opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.