CAS OpenIR
Modelling of Defluidization of ZrO2/Fe Particles in High Temperature Gas Fluidization: Influence of Fe Contents
Zhang, Jianbo1; Du, Zhan2; Fan, Chuanlin2; Pan, Feng2
2021
Source PublicationISIJ INTERNATIONAL
ISSN0915-1559
Volume61Issue:7Pages:2034-2040
AbstractThe contents of Fe on the surface of iron ore fines had a great influence on the fluidization behavior during high temperature fluidized bed reduction, which would cause defluidization when exceeding a critical value. In this paper, simplistically, ZrO2/Fe particles with different Fe contents on the surface were used as raw materials. Through modification of previous models, a quantitative relationship was established to predict the defluidization temperature of ZrO2/Fe particles with different Fe contents, and the calculation results corresponded well with the experimental data obtained from the defluidization test. The model in this paper firstly explained the dependence of defluidization behavior on the contents of Fe in high temperature gas fluidization, and it could well predict the metallization degree of commercial iron ore fines when defluidization occurred during fluidized bed reduction. Therefore, the model could be used as a reference to select suitable operating conditions for treating fine iron oxide particles in high temperature gas fluidization processes, such as direction reduction and chemical looping.
KeywordFe contents defluidization behavior quantitative relationship high temperature gas fluidization
DOI10.2355/isijinternational.ISIJINT-2021-028
Language英语
WOS KeywordFINE IRON-ORES ; BED REDUCTION ; STICKING ; BEHAVIOR ; POWDER ; FE2O3 ; MECHANISM ; SURFACE ; CO
Funding ProjectNational Natural Science Foundation of China[21908227] ; Open Research Fund of State Key Laboratory of Multiphase Complex Systems[M PCS-2019-D-01]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China ; Open Research Fund of State Key Laboratory of Multiphase Complex Systems
WOS IDWOS:000680579000002
PublisherIRON STEEL INST JAPAN KEIDANREN KAIKAN
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49917
Collection中国科学院过程工程研究所
Corresponding AuthorDu, Zhan
Affiliation1.Ansteel Res Inst Vanadium & Titanium Iron & Steel, State Key Lab Vanadium & Titanium Resources Compr, Panzhihua 61700, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jianbo,Du, Zhan,Fan, Chuanlin,et al. Modelling of Defluidization of ZrO2/Fe Particles in High Temperature Gas Fluidization: Influence of Fe Contents[J]. ISIJ INTERNATIONAL,2021,61(7):2034-2040.
APA Zhang, Jianbo,Du, Zhan,Fan, Chuanlin,&Pan, Feng.(2021).Modelling of Defluidization of ZrO2/Fe Particles in High Temperature Gas Fluidization: Influence of Fe Contents.ISIJ INTERNATIONAL,61(7),2034-2040.
MLA Zhang, Jianbo,et al."Modelling of Defluidization of ZrO2/Fe Particles in High Temperature Gas Fluidization: Influence of Fe Contents".ISIJ INTERNATIONAL 61.7(2021):2034-2040.
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