Influence of unburned pulverized coal on the viscosity of blast furnace slag

被引：2
|
作者：
Wang, Junjie [1 ]
An, Shengli [1 ]
Chai, Yifan [1 ]
Gao, Xing [1 ]
Liang, Yanfeng [1 ]
Wang, Yici [1 ]
Liu, Jinzhou [2 ]
机构：
[1] Inner Mongolia Univ Sci & Technol, Sch Mat & Met, Baotou 014010, Peoples R China
[2] Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing, Peoples R China
来源：
IRONMAKING & STEELMAKING | 2023年 / 50卷 / 01期
基金：
中国国家自然科学基金;
关键词：
ironmaking; unburned pulverized coal; solid particles; volume fraction; blast furnace slag; heterogeneous melt; viscosity; relative viscosity; COKE; MGO; BF;
D O I：
10.1080/03019233.2022.2091309
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In order to explore the influence of unburned pulverized coal in ironmaking on the viscosity of blast furnace slag, the impact of temperature, volume fraction of solid particles and the rotating speed on the viscosity of CaO-MgO-Al2O3-SiO2 heterogeneous slag were studied by experiment. The calculation model of relative viscosity of heterogeneous slag containing unburned pulverized coal is corrected. The results showed that the viscosity of heterogeneous slag increased with the increase of the volume fraction of the solid particles, and decreased with the increase of the rotating speed. For the heterogeneous slag with the same composition, the relative viscosity is not affected by the temperature and decreases with the increase in the rotating speed. The impact of unburned pulverized coal solid particles on the viscosity of the slag was much larger than the predicted value of the Einstein-Roscoe equation.
引用
收藏
页码：109 / 121
页数：13
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