Effect of steel slag ratio on the sintering of vanadium-titanium magnetite ore

Zhang Jianliang; Wang Qi; Liu Chenxin; Cao Chaozhen; Li Zhen; Zhu Jianqiu; Hao Liangyuan

doi:10.7513/j.issn.1004-7638.2024.05.016

Volume 45 Issue 5

Oct. 2024

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2024 > 45(5): 123-129

Zhang Jianliang, Wang Qi, Liu Chenxin, Cao Chaozhen, Li Zhen, Zhu Jianqiu, Hao Liangyuan. Effect of steel slag ratio on the sintering of vanadium-titanium magnetite ore[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(5): 123-129. doi: 10.7513/j.issn.1004-7638.2024.05.016

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Zhang Jianliang, Wang Qi, Liu Chenxin, Cao Chaozhen, Li Zhen, Zhu Jianqiu, Hao Liangyuan. Effect of steel slag ratio on the sintering of vanadium-titanium magnetite ore[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(5): 123-129. doi: 10.7513/j.issn.1004-7638.2024.05.016

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Effect of steel slag ratio on the sintering of vanadium-titanium magnetite ore

doi: 10.7513/j.issn.1004-7638.2024.05.016

1.
School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
2.
HBIS Chengde Vanadium Titanium New Material Co., Ltd., Chengde 067000, Hebei, China
3.
BHP Billiton China, Shanghai 200131, China

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Received Date: 2024-01-04
Available Online: 2024-10-30
Publish Date: 2024-10-30

Abstract

Abstract

To optimize the recycling strategy of steel slag and enhance the economic and social benefits of steel companies, the study first analyzed the content of titanium and phosphorus elements in steel slag and conducted sintering pot tests based on different steel slag ratios. In the vanadium-titanium magnetite sintering process, with the increase of steel slag ratio, the perovskite phase in sinter increases, and bonding phases transform from SFCA to perovskite phases. This transformation leads to an uneven mineral phase in sinter and increases its complexity, which has a detrimental effect on the strength of the sintered ore. Additionally, with the increase of steel slag ratio, the phosphorus content in the finished sintered ore also increases. When the steel slag addition amount reaches 5%, the lowest sintering loss rate in the sintering pot test is 15.42%. At a steel slag ratio of 4%, the maximum yield of sintered ore is 86.49%, as the ratio continues to increase, the yield remains relatively stable.
- sintering,
- steel slag,
- ratio,
- metallurgical properties,
- microstructure

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References(31)

References

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