炼钢方法

炉渣的基本组成

酸性炉炼钢

FeO+MnO                     约50%

SiO2                                          约50%

碱性炉炼钢

氧 化 渣

CaO/ SiO2                             2%~3.5%

Al2O3                                       10%~15%

FeO                                5%~30%

还 原 渣

CaO/ SiO2                              2%~3.5%

Al2O3                                        10%~15%

CaF2                                          2%~5%

FeO                                 <0.8%