| 发明名称 |
NOVEL NOZZLE FOR AN OXYGEN INJECTION LANCE FOR DECARBURISATION OF PIG IRON |
| 摘要 |
<p>A nozzle is disclosed for use in the decarburization of molten pig iron by means of a jet of oxygen from a lance provided with such nozzle. The nozzle according to the invention is characterized by a divergent portion which, beyond the neck, has a frustoconical part, with an apex angle of between 60 DEG and 70 DEG and preferably between 62 DEG and 66 DEG , and wherein an angle of 65 DEG is preferred. The nozzle according to the invention can be used in particular for the decarburization of chromium containing pig iron and makes it possible to achieve very high chromium and iron yields.</p> |
| 申请公布号 |
IN154747(B) |
申请公布日期 |
1984.12.15 |
| 申请号 |
IN1981CA94119 |
申请日期 |
1981.08.24 |
| 申请人 |
UGINE ACIERS |
发明人 |
BRANCAZ, JEAN;MARIZY, GEORGES |
| 分类号 |
C21C5/48;C21C5/00;C21C5/46;C21C7/072;(IPC1-7):C21C5/42 |
主分类号 |
C21C5/48 |
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