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Actions and control of the hearth of the CST blast furnace No. 2

Published online by Cambridge University Press:  31 March 2005

J.-A.-Pereira Novaes ,
R. da Cruz Jr ,
M. Correa da Silva ,
J. Issamu Gushiken ,
R.-J. Tauffer Barros  and
M. Azevedo de Oliveira
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Abstract

The operation of blast furnace No. 2 started in July 1998, raising the CST yearly hot metal production from 3.6 Mt to the present level of 5.0 Mt. In July 2004, after a 6 years long operation, blast furnace No. 2 cumulated a production of 8.16 Mt, moreover ensuring good performance. The paper presents the actions that have been taken to control hearth wear, while sustaining high productivity and low fuel consumption. The results obtained are submitted to a detailed analysis with appropriate reference to the approach that has been followed and the controls that have been implemented.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 102 , Issue 3 , March 2005 , pp. 183 - 188
Copyright
© La Revue de Métallurgie, 2005

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