Method for manufacturing steel through smelting reduction

Details Method for manufacturing steel through smelting reduction Method for manufacturing steel through smelting reduction

C - Chemistry, Metallurgy

21

B

53/38

C21B 13/00 (2006.01) C21C 5/35 (2006.01)

Patent

CA 1330623

-14- Abstract of the Disclosure A method for manufacturing molten steel wherein iron ore and coal are continuously supplied onto molten metal containing carbon of 1% or less while blowing oxygen gas is being introduced onto the molten metal through a lance. Simultaneously with this operation, stirring gas is being introduced into the molten metal at a rate of 0.05 to 0.5 Nm3 /min/ton of molten metal through a tuyere. The slag and the molten steel produced, is continuously or periodically discharged.

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