| Issue |
Rev. Metall.
Volume 107, Number 5, May 2010
|
|
|---|---|---|
| Page(s) | 187 - 193 | |
| DOI | https://doi.org/10.1051/metal/2010021 | |
| Published online | 10 August 2010 | |
Highly effective use of Australian Pilbara blend lump ore in a blast furnace*
Utilisation performante du minerai rocheux Australien mélange Pilbara au haut fourneau
School of Metallurgical and Ecological Engineering, University of Science
and Technology Beijing,
Beijing, 100083, China
Received:
4
February
2010
Accepted:
25
February
2010
The Australian Pilbara blend lump ore, which entered the Chinese market in 2007, is a special blending ore. To master its behavior and effect in a BF adequately, the metallurgical properties and high temperature reactivity of the Pilbara blend lump ore and six other kinds of lump ore were researched. The reasonable proportion and mixing pattern of the Pilbara blend lump ore was studied by carrying out softening and dropping property tests, and this provides technological support for practical production.
Résumé
Le minerai rocheux Australien mélange Pilbara, qui a fait son apparition sur le marché Chinois en 2007, est un mélange particulier de minerais. Pour maîtriser précisément son comportement dans le haut fourneau et son effet sur la marche, nous avons procédé à des investigations sur les propriétés métallurgiques et la réactivité à haute température de ce mélange ainsi que de 6 autre types de minerais rocheux. On a défini les proportions convenables et les conditions de mélange du minerai rocheux de Pilbara grâce à des essais de ramollissement fusion ; ces résultats constituent une aide pour une utilisation performante de ce minerai au haut fourneau.
Key words: Blast furnace / Pilbara blend lump ore / metallurgical properties / reducibility / softening-melting / burden structure
Mots clés : Haut fourneau / minerai rocheux mélange Pilbara / propriétés métallurgiques / réductibilité / ramollissement-fusion / structure de la charge
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