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- Title
Investigating the Effect of the Iron Ore Pellet Addition on the Interaction Among Blast Furnace Burden in the Cohesive Zone.
- Authors
Sudhir, S.; Soren, Shatrughan; Chowdhury, G. M.
- Abstract
The efficient operation of a blast furnace requires burden materials with high softening temperatures and a narrow softening–melting range. This leads to the formation of a thinner cohesive zone in the lower part of the furnace, which improves permeability. In this study, softening–melting tests were conducted on pellets with different levels of basicity, combined with other iron-bearing materials such as iron ore and sinter. The results demonstrated an enhancement in the softening–melting properties of all iron-bearing materials when used as integrated burdens. This improvement can be attributed to the interaction among the ferrous burden materials at high temperatures. Furthermore, it was observed that the degree of interaction among ferrous burden increases as the proportion of pellets in the burden is increased up to 30%, replacing some of the iron ore. This suggests that the inclusion of pellets contributes to the overall improvement in the softening–melting behavior of the integrated burden.
- Subjects
IRON ores; BLAST furnaces; HEAT resistant materials; IRON-based superconductors
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2024, Vol 76, Issue 7, p3311
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-023-06339-8