Process of producing liquid carbon-containing iron

Details Process of producing liquid carbon-containing iron Process of producing liquid carbon-containing iron

C - Chemistry, Metallurgy

21

B

53/27

C21B 13/12 (2006.01) C21B 13/14 (2006.01) F27D 17/00 (2006.01)

Patent

CA 1224336

ABSTRACT OF THE DISCLOSURE: An improved process for producing liquid carbon- containing iron, wherein sponge iron produced by direct reduction with solid carbonaceous reducing agents is subsequently melted in an electric arc furnace. In order to render the melting of the sponge iron, particularly of the part of said sponge iron which has inferior metallurgi- cal properties, simple and economical as possible, the exhaust gas from the direct reduction process is used to produce electrical energy and the so produced energy is supplied to the electric reducing furnace. Moreover, the sponge iron is charged into the electric reducing furnace at a rate corresponding to the rate of production of the electrical energy and comprises at least one part with inferior metallurgical properties.

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