Zinc Accumulation and Behavior in Tuyere Coke

A case study of zinc oxide, which represents the first report on the occurrence, crystalline features, formation mechanism, and influence of this mineral in tuyere coke, was conducted in this study. A number of zinc oxides, some of which were in hexagonal wurtzite habit, were observed to distribute...

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Bibliographic Details
Published in:Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2014-10, Vol.45 (5), p.1581-1588
Main Authors: Li, Kejiang, Zhang, Jianliang, Liu, Zhengjian, Wang, Tianqiu, Ning, Xiaojun, Zhong, Jianbo, Xu, Runsheng, Wang, Guangwei, Ren, Shan, Yang, Tianjun
Format: Article
Language:English
Subjects:
Applied sciences
Blast furnaces
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coke
Coke fired furnaces
Communication
Degradation
Exact sciences and technology
Materials Science
Metallic Materials
Metallurgy
Metals. Metallurgy
Minerals
Nanotechnology
Production of metals
Structural Materials
Surfaces and Interfaces
Thin Films
Tuyeres
Zinc
Zinc oxide
Zinc oxides
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Summary:A case study of zinc oxide, which represents the first report on the occurrence, crystalline features, formation mechanism, and influence of this mineral in tuyere coke, was conducted in this study. A number of zinc oxides, some of which were in hexagonal wurtzite habit, were observed to distribute mainly in coke pores, cracks, surfaces, and around coke minerals. The accumulation of zinc in tuyere coke may enhance the degradation of coke and increase the generation and accumulation of coke fine in a blast furnace, which would cause bad effect on blast furnace operation. Investigations into zinc behavior in tuyere coke can be important for further interpretations of coke degradation in the high temperature zone of a blast furnace.
ISSN:1073-5615
1543-1916
DOI:10.1007/s11663-014-0143-7