Research on thermodynamic characteristics of metallurgical slag

被引：0
|
作者：
Guo, Yongchun [1 ]
Li, Mengyao [1 ]
机构：
[1] Xian Aeronaut Polytech Inst, Xian 710089, Peoples R China
来源：
METALLURGICAL RESEARCH & TECHNOLOGY | 2023年 / 121卷 / 01期
关键词：
blast furnace (BF); slag; activity; reference slag method;
D O I：
10.1051/metal/2023084
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
This article uses Sn as the metal flux and CaF2-CaO as the reference slag to experimentally measure the activity of CaO at T = 1773 similar to 1873 K. The effects of different w(Al2O3) and temperature(T) on CaO activity were investigated. The results are as follows: when w(MgO) = 6%, R(w(CaO)/w(SiO2)) = 1.20, w(Al2O3) = 12%, 14%, 16% and 18%, with the increase of w(Al2O3), the activity and activity coefficient of CaO in slag gradually decrease; with the increase of temperature (T), the activity and activity coefficient of CaO in slag gradually increase; the activity coefficient of Ca in Sn decrease with increasing temperature.
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页数：7
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