Method and apparatus for processing reduced iron

Details Method and apparatus for processing reduced iron Method and apparatus for processing reduced iron

C - Chemistry, Metallurgy

21

B

53/32, 39/53

C21B 13/02 (2006.01)

Patent

CA 1048275

ABSTRACT OF THE DISCLOSURE Method and apparatus for producing reduced iron in which granular iron oxide charged into a vertical furnace is reduced by reducing gas comprising mainly carbon monoxide and hydrogen, the substantial portion of the waste gas generated in the reduction process being regenerated in a recirculating system. The reduced iron which has been reduced in the vertical furnace is continuously discharged at a temperature above 500°C under the condition isolated from exterior atmosphere and received in a plurality of air tight sealable component adjusting receptacles. The reduced iron received in the receptacles is subjected to component adjustment at a temperature ranging from 700 to 1100°C by using the regenerated reducing gas and, thereafter, it is discharged from the receptacles under the condition isolated from the exterior atmosphere so as to be received in air tight sealable cooling receptacles thereby cooling the game to a temperature lower than 100°C, the reduced iron being thereafter discharged from the receptacles.

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