Document Type and Number:
Japanese Patent JPS5626684
Kind Code:
B2
Abstract:
PURPOSE:To aim the decrease of heat energy and productivity increase by preheating in nonoxidizing state the solid iron raw material to be charged into converter etc. with the sensible heat of reducible high temp. waste gas from converter, electric furnace etc.
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Application Number:
JP4172276A
Publication Date:
June 20, 1981
Filing Date:
April 13, 1976
Export Citation:
International Classes:
C21C5/28; C21C5/52; F27D13/00; F27D17/00