Journal
ISIJ INTERNATIONAL
Volume 60, Issue 1, Pages 1-17Publisher
IRON STEEL INST JAPAN KEIDANREN KAIKAN
DOI: 10.2355/isijinternational.ISIJINT-2019-392
Keywords
fluidized bed; fine iron ore; sticking; agglomeration; iron whisker
Categories
Funding
- Natural Science Foundation of China [51804030, 51604020]
- Key Projects of the State Key Research and Development Plan [2016YFB0601304]
- China Scholarship Council
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The fluidized bed ironmaking technology has attracted the attention of many researchers for decades as a direct reduction ironmaking method with many advantages. This process has been applied as a pre-treatment method in many non-blast furnace ironmaking processes. However, the sticking problem hindered its development greatly. Defining the essential cause of sticking, and fundamentally solving this problem are the key steps encountered by this process. The research works related to the prevention of sticking problem during fluidized bed reduction of fine iron ore are comprehensively summarized in this article. The causes of sticking, the influencing factors of sticking and the solution of sticking are firstly discussed, followed by the analysis on the possible development direction of future fluidized bed ironmaking technology.
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