摘要
以La_2O_3-SiO_2-Al_2O_3为基础渣系,采用半球法对设定区域的熔化温度进行了研究.结果表明,3种La_2O_3含量(45%,50%,55%)下,SiO_2/Al_2O_3质量比约为2时渣样的熔化温度最低;少量FeO,B_2O_3和MnO均可降低渣系的熔化温度,B_2O_3的效果尤为显著,同时添加少量FeO和B_2O_3对降低渣系熔化温度有叠加效应.65%La_2O_3-16%SiO_2-8%Al_2O_3-7%FeO-4%B_2O_3渣的熔化温度为1319℃,65%La_2O_3-19.3%SiO_2-9.7%Al_2O_3-2%FeO-4%B_2O_3渣的熔化温度为1386℃.
La2O3-SiO2-Al2O3 was selected as the basic slag system, a hemispherical method was used to study the melting temperature of specified areas. The results showed that, for different La2O3 mass contents （45%, 50% and 55%） in the La2O3-SiO2-Al2O3 slag, the melting temperature was the lowest when the SiO2/Al/O3 mass ratio was about 2. A small amount of the minor component, FeO, B203 and MnO could lower the La2O3-SiO2-Al2O3-based slag melting temperature, the effect of B2O3 was particularly significant. The addition of a small amount of FeO and B203 has an additive effect on decreasing the slag melting temperature. The melting temperatures of slags 65% La2O3-16%SiO2-8%Al2O3-7%FeO-4%B2O3 and 65%La2O3-19.3%SiO2-9.7%Al2O3-2%FeO-4%B2O3 were 1319 and 1386 ℃, respectively.
出处
《过程工程学报》
CAS
CSCD
北大核心
2017年第2期357-361,共5页
The Chinese Journal of Process Engineering
基金
国家自然科学基金资助项目(编号:51364029)
