Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1995-12-22
1997-12-16
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
75315, 75751, C22B 116
Patent
active
056980094
ABSTRACT:
A method for agglomerating iron ore particles pre-reduced to produce hot pig iron, wherein hot iron ore particles pre-reduced in the pre-reduction furnace are simply mixed with aluminum powder or aluminum-containing metal powder before being loaded in the smelting reduction furnace so that they will be agglomerated, thereby being capable of not only simplifying the agglomeration, but also eliminating the adverse effect on the quality of ingot iron caused by impurities such as S or P. Aluminum dross, which is a waste, may be used as the aluminum-containing metal powder for agglomerating the iron ore particles. In this case, a reduced energy consumption and disposal of wastes can be achieved.
REFERENCES:
patent: 4978387 (1990-12-01), Kepplinger
patent: 5397379 (1995-03-01), Barker et al.
Min Dong Joon
Park Yoon Chul
Andrews Melvyn
Pohang Iron & Steel Co. Ltd.
Research Institute of Industrial Science & Technology
Voest-Alpine Industriean-lagenbau GmbH
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