Utilization of High Sulfur Raw Materials in Iron Ore Pellets

被引：0
|
作者：
ZHU De-qing [1 ]
RUAN Zhi-yong [1 ,2 ]
CHUN Tie-jun [1 ]
PAN Jian [1 ]
机构：
[1] School of Minerals Processing and Bioengineering,Central South University
[2] Liuzhou Iron and Steel Group
来源：
Journal of Iron and Steel Research(International) | 2013年 / 20卷 / 10期
关键词：
pyrite cinder; high sulfur magnetite; iron ore pellet; metallurgical performance;
D O I：
10.13228/j.boyuan.issn1006-706x.2013.10.019
中图分类号：
TF046.4 [];
学科分类号：
080601 ;
摘要：
Pyrite cinder and high sulfur magnetite were used as raw materials to produce iron ore pellets.Good qualities of green balls and fired pellets were obtained from the feed comprising 50% pyrite cinder and 50% high sulfur magnetite concentrate at a small scale.Small-scale tests were proven by pilot-scale tests.The high grade fired pellets,assaying 63.22% Fe,were analyzed,and the compressive strength of fired pellets was over 2 500N/pellet.The fired pellets possessed excellent metallurgical performances,such as reducibility index higher than 67%,reduction swelling index lower than 15% and low temperature reduction degradation index (+3.15mm) higher than 1%,which can be used as the burden for blast furnace.
引用
收藏
页码：32 / 38
页数：7
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