F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
F27B 15/10 (2006.01) C21B 13/00 (2006.01)
Patent
CA 2046343
A fluidized bed type preliminary reducing furnace for an oxide raw material is provided with at least two reductive gas supply ports for supplying a reductive gas into the furnace. With this construction, the fine or granular raw material and the reductive gas supplied are sufficiently dispersed and mixed with each other in the furnace to thereby improve a reduction rate and an yield of the raw material. It is preferable to provide at least two raw material supply ports for supplying the raw material into the furnace.
Kanetsuna Teruo
Kimura Kazuo
Kawasaki Steel Corporation
Moffat & Co.
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