发明名称 SPOSOB POPRAWY BILANSU CIEPLNEGO PODCZAS SWIEZENIA STALI
摘要 <p>In the method of producing steel in a converter equipped with tuyeres that are shrouded with a protective medium which are disposed below the melt surface, oxygen is also introduced above the melt during at least a major part of the refining time with sufficient velocity to suck in large amounts of reaction products thereby increasing the proportion of the scrap that may be charged.</p>
申请公布号 PL211603(A1) 申请公布日期 1979.08.27
申请号 PL19780211603 申请日期 1978.12.09
申请人 MAXIMILIANSHUETTE EISENWERK 发明人 BROTZMANN KARL
分类号 C21C5/30;C21C5/34;C21C5/35;(IPC1-7):21C/ 主分类号 C21C5/30
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