Article (Scientific journals)
XDEM study of burden distribution in iron ore pellet firing
Amani, H; Alamdari, E. K; Peters, Bernhard et al.
2022In Ironmaking and Steelmaking, 49 (6), p. 615-625
Peer reviewed
 

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Keywords :
Coupled CFD-DEM; heat and mass transfer; burden distribution; coke breeze; iron ore pellets
Abstract :
[en] In the current study, a pseudo-2D XDEM packed bed reactor model is used to assess burden distribution effects in the firing of magnetite iron ore pellets. The model couples heat, mass, and momentum balances of the gas phase in each CFD cell to the relevant transport phenomena of each pellet. It was found that the model predictions in terms of temperature and final composition conform well with experimental measurements. Moreover, numerical results show that both of the tested methods, namely, physical (size-separated charge) and chemical (local addition of carbon) burden distributions can improve the thermal state of the firing bed. Furthermore, the results highlight that using size separated feed leads to homogeneity enhancement in final product quality; however, the local addition of carbon can severely deteriorate the quality.
Disciplines :
Materials science & engineering
Author, co-author :
Amani, H
Alamdari, E. K
Peters, Bernhard ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Estupinan Donoso, Alvaro Antonio  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
External co-authors :
yes
Language :
English
Title :
XDEM study of burden distribution in iron ore pellet firing
Publication date :
12 March 2022
Journal title :
Ironmaking and Steelmaking
Publisher :
Taylor & Francis
Volume :
49
Issue :
6
Pages :
615-625
Peer reviewed :
Peer reviewed
Focus Area :
Computational Sciences
Physics and Materials Science
FnR Project :
FNR13564670 - Experimental And Numerical Investigation On Synthesis Of Tungsten And Tungsten Carbide, 2019 (01/05/2020-31/08/2023) - Alvaro Antonio Estupinan Donoso
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