炼钢炉渣

HEATS

电弧炉炉渣的基本形成

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炼钢方法	' C$ b7 Y" p# t 炉渣的基本组成
6 _9 z2 D' D% Y8 D7 f 酸性炉炼钢	& ^9 \4 _' y/ g: E FeO+MnO                     约50% SiO2                                          约50%
碱性炉炼钢	氧 化 渣 d2 w* J. F9 }; h9 V 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%