System and method for producing steel in a top-blown vessel

Details System and method for producing steel in a top-blown vessel System and method for producing steel in a top-blown vessel

C - Chemistry, Metallurgy

21

C

39/105, 53/91

C21C 5/32 (2006.01) C21C 5/35 (2006.01)

Patent

CA 1237583

ABSTRACT OF THE DISCLOSURE A system and method is provided for refining molten metal in a top-blown vessel, particularly, by removal of the carbon content. The system includes various means for selecting, regulating the composition and controlling the rate of flow of the top-blown gases. The system further includes various means for introducing an inert gas from beneath the molten bath surface during top blowing and regulating the composition and controlling the rate of flow of the inert gas as a function of the top-blown gas composition and flow rate. A method for introducing the gases is also provided.

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