Circulating fluidizable bed co-processing of fines in a direct reduction system
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United States of America Patent
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Jul 25, 1995
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N/A
app pub date -
Aug 12, 1994
filing date -
Aug 12, 1994
priority date (Note) -
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Abstract
A method of producing direct reduced iron from pellets, lumps and fines of iron oxide. A mixture of iron oxide raw material is introduced to an apparatus which separates the lumps and pellets from the fines. The lumps and pellets are then introduced to a shaft furnace for direct reduction to iron. Fines are conveyed to a series of circulating fluidizable beds which allows intimate contact with reducing gas to facilitate the direct reduction of the iron oxide fines to metallized iron.
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