SHAFT FURNACE HAVING MEANS FOR CHARGING AND ADJUSTING A PREMIXTURE OF ORE AND COKE

A method for operating a shaft furnace is performed by charging different ore/coke ratio mixture in radially different positions in the furnace. The ore/coke mixture ratio may be determined according to desired heat distribution in radial direction. For this, at least two mutually independently dete...

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Main Authors SERIZAWA, YASUNORI, FUKUSHIMA, NORIO, SAKURAI, SHOJI, YOSHIDA, KAZUHIKO, SUZUKI, SHIGEYASU, MASUKAWA, MASANOBU
Format Patent
LanguageEnglish
Published 18.07.1995
Edition6
Subjects
BLASTING
CHEMISTRY
FURNACES
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
HEATING
KILNS
LIGHTING
MANUFACTURE OF IRON OR STEEL
MECHANICAL ENGINEERING
METALLURGY
METALLURGY OF IRON
OPEN SINTERING OR LIKE APPARATUS
OVENS
RETORTS
WEAPONS
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Summary:A method for operating a shaft furnace is performed by charging different ore/coke ratio mixture in radially different positions in the furnace. The ore/coke mixture ratio may be determined according to desired heat distribution in radial direction. For this, at least two mutually independently determined ore/coke mixture ratio mixtures are provided in each charge cycle of the burden. The mixture to be charged in the central portion of the furnace may have a higher coke content or a lower ore content for better permeability to the heating gas.
Bibliography:Application Number: KR19870009275