Zinc Accumulation and Behavior in Tuyere Coke

  • Kejiang Li
  • , Jianliang Zhang
  • , Zhengjian Liu
  • , Tianqiu Wang
  • , Xiaojun Ning
  • , Jianbo Zhong
  • , Runsheng Xu
  • , Guangwei Wang
  • , Shan Ren
  • , Tianjun Yang

Research output: Contribution to journalArticlepeer-review

38 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)1581-1588
Number of pages8
JournalMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume45
Issue number5
DOIs
StatePublished - Oct 2014
Externally publishedYes

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