Process for the production of iron from iron ores and...

Details Process for the production of iron from iron ores and... Process for the production of iron from iron ores and...

C - Chemistry, Metallurgy

21

B

39/2, 53/30

C21B 11/00 (2006.01) B29C 47/06 (2006.01) C21B 13/08 (2006.01)

Patent

CA 1053007

ABSTRACT OF THE DISCLOSURE The present invention provides a process for the production of iron from iron ores, in which the ore is being heated and reduced in a rotary kiln by a treatment with solid carbon and with flame gas flowing in a countercurrent, the reduced iron is being collected and overheated in a first hearth furnace and is being fed in batches into a second hearth furnace, and is being converted there to pig iron, cast iron or steel, characterized in that the hot exhaust gases formed in the second hearth furnace are passed into the first hearth furnace and then through the rotary kiln together with the hot exhaust gases produced in the first hearth furnace.

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