METHOD FOR OPERATING BLAST FURNACE

The amount of a carbon iron composite used is appropriately adjusted when the carbon iron composite is used in a blast furnace, whereby a stable operation is provided. Ore and coke including the carbon iron composite and conventional coke are charged into the blast furnace. The percentage of the car...

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Bibliographic Details
Main Authors SUMI, Hiroyuki, ANYASHIKI, Takashi, SATO, Hideaki, FUJIMOTO, Hidekazu, SATO, Takeshi
Format Patent
LanguageEnglish
French
German
Published 29.08.2018
Subjects
CHEMISTRY
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
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Summary:The amount of a carbon iron composite used is appropriately adjusted when the carbon iron composite is used in a blast furnace, whereby a stable operation is provided. Ore and coke including the carbon iron composite and conventional coke are charged into the blast furnace. The percentage of the carbon iron composite used is 2% to 50% by mass of the coke. The percentage of the carbon iron composite used is preferably 25% by mass or more. The carbon iron composite preferably has a particle size of 15 mm to 40 mm. The carbon iron composite preferably has an iron content of 10% to 40% by mass.
Bibliography:Application Number: EP20100826928