Ladle heating of hot metal on discharge from the blast furnace

The heating of hot metal in the ladle on discharge from the blast furnace is considered. In this case, the heating is due to aluminum flux, which is an exothermal slag-forming powder made from slag wastes obtained in secondary aluminum production. The proposed technology reduces the slag-metal build...

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Bibliographic Details
Published in:Steel in translation 2011-11, Vol.41 (11), p.918-923
Main Authors: Klimanchuk, V. V., Kosolap, N. V., Gladkii, P. A., Luk’yanenko, I. A., Mastitskii, A. I.
Format: Article
Language:English
Subjects:
Aluminum
Chemistry and Materials Science
Construction
Discharge
Heating
Iron and steel making
Ladle metallurgy
Ladles
Materials Science
Slags
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Summary:The heating of hot metal in the ladle on discharge from the blast furnace is considered. In this case, the heating is due to aluminum flux, which is an exothermal slag-forming powder made from slag wastes obtained in secondary aluminum production. The proposed technology reduces the slag-metal buildup and increases the life of the refractory lining to 500 filling cycles. Effective heat insulation of the hot-metal surface reduces the heat losses to 15–20°C prior to mixer delivery. The slag runoff is reduced by 25–45% (rel.).
ISSN:0967-0912
1935-0988
DOI:10.3103/S096709121111012X