PRECIPITATION BEHAVIOR OF TITANIUM BEARING BLAST FURNACE SLAG

被引：0
|
作者：
Hu Meilong [1 ]
Qu Zhengfeng [1 ]
Lv Xuewei [1 ]
Gan Yunhua [2 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
[2] South China Univ Technol, Sch Elect Power, Guangzhou 510640, Peoples R China
来源：
ADVANCES IN MOLTEN SLAGS, FLUXES, AND SALTS | 2016年
基金：
中国国家自然科学基金;
关键词：
Titania; Basicity; Precipitation behavior; Titanium bearing BF slag; CRYSTALLIZATION; KINETICS;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Effect of titania content and the basicity on precipitation behavior of bearing titanium blast furnace slag have been investigated with confocal scanning laser microscope. The results show that Ca2MgSi2O7 and Ca2Al2SiO7 are the main phases CaTiO3crystallized from the molten slag with 10 mass percent TiO2. While there is only one phase crystalized when the mass percent of TiO2 reaches 30%. On the other hand, CaMg0.39Al0.87Ti0.48Si1.26O6, CaTiSiO5, CaMgSi2O6 are the main crystallization phases when the basicity is 0.8, which differs from the thermaldynamics calculation. It is suggested that such a difference is due to the complicated crystallization of the multiple slag under large cooling rate. When the slag basicity is 1.1, which equals to industry basicity, the crystallization phase is CaTiO3 due to the crystallization temperature of CaTiO3 is higher than other phases.
引用
收藏
页码：1261 / 1270
页数：10
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