铜渣中铁相还原对冰砂-渣分离行为的影响

IF 0.9 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Journal of Mining and Metallurgy Section B-Metallurgy Pub Date : 2023-01-01 DOI:10.2298/jmmb220421003l

Y.-X. Liu, Y. Wei, S.-W. Zhou, B. Li, H. Wang

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引用次数: 0

摘要

Isa熔炼炉在同一出料孔中排出磨砂和炉渣。因此，电炉需要清理炉渣。本文研究了电炉铜渣的净化问题，特别是还原过程中铜渣的分离问题。对于Fe3O4 ~ FeO，当Fe3O4含量小于10%时，熔体中的发泡渣消失。随着金属铁的形成，起泡渣再次形成，阻碍了冰砂的沉降。当无烟煤添加量增加到2.61%时，渣中的铜含量增加到9.46%。详细分析了渣的显微组织和渣中金属铁的存在。研究结果为铜渣清洗过程中合理控制Fe3O4的转化提供了理论依据。

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Matte-slag separation behavior as a function of iron phase reduction in copper slag

The Isa smelting furnace discharges the matte and slag in the same tapping hole. As a result, an electric furnace needs to clean the slag. In the present study, the copper slag cleaning in an electric furnace, particularly the separation of the matte from the slag during the reduction process, was investigated. For Fe3O4 to FeO, the foaming slag in the melt disappeared when the Fe3O4 content was less than 10%. With the formation of the metallic iron, the foaming slag formed again, hindering the sedimentation of the matte. When the anthracite dosage increased to 2.61%, the copper content in the slag increased to 9.46%. The microstructure of the slag and the existence of the metallic iron found in the slag were analyzed in detail. The results obtained in this study provide a theoretical basis for the reasonable control of the transformation of Fe3O4 during the copper slag cleaning.

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来源期刊

Journal of Mining and Metallurgy Section B-Metallurgy 工程技术-冶金工程

CiteScore

2.00

自引率

40.00%

发文量

审稿时长

2 months

期刊介绍： University of Belgrade, Technical Faculty in Bor, has been publishing the journal called Journal of Mining and Metallurgy since 1965 and in 1997 it was divided in two independent journals dealing with mining and metallurgy separately. Since 2009 Journal of Mining and Metallurgy, Section B: Metallurgy has been accepted in Science Citation Index Expanded. Journal of Mining and Metallurgy, Section B: Metallurgy presents an international medium for the publication of contributions on original research which reflect the new progresses in theory and practice of metallurgy. The Journal covers the latest research in all aspects of metallurgy including hydrometallurgy, pyrometallurgy, electrometallurgy, transport phenomena, process control, solidification, mechanical working, solid state reactions, materials processing, surface treatment and relationships among processing, structure, and properties of materials.