| 发明名称 |
LANCE FOR TOP INJECTION IN METALLURGICAL VESSELS AND METHOD FOR THE PRODUCTION OF SAID LANCE |
| 摘要 |
<p>The present invention relates to a lance for top injection in metallurgical vessels, which is used essentially for the refining process of pig iron and steel production. Lance for top injection in metallurgical vessels, which is used essentially for the refining process of pig iron and steel production. The lance (11) has at least one inner tube (13) and a cover of refractory concrete (16), the external profile of the cover of refractory concrete (16) being polygonal. Also described is a method for the production of said lance (11).</p> |
| 申请公布号 |
EP2712938(A1) |
申请公布日期 |
2014.04.02 |
| 申请号 |
EP20120786183 |
申请日期 |
2012.05.10 |
| 申请人 |
MAGNESITA REFRATARIOS S/A |
发明人 |
ALVES FREIRE, RUBENS;CRUZ ARANTES CAMPOS, LEONARDO;LIMA DE SIQUEIRA, JORGE;GUARNIER DOMINICANO, VICTOR |
| 分类号 |
C21C5/32;C21C1/00;C21C5/46;C21C5/52;C21C7/072;F27D3/16 |
主分类号 |
C21C5/32 |
| 代理机构 |
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