针对目前高铝钢用结晶器保护渣中SiO2易被钢液中的Al还原而导致连铸无法顺行的问题,设计了低SiO2试验渣系并进行粘-温曲线及熔点测试试验.结果表明:低SiO2渣系具有良好的基本理化性质,具有工业应用的潜能;通过热力学分析及钢-渣界面反应试验证明,当保护渣中SiO2含量低于6%时为非反应性保护渣.
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