A method for desulfurizing iron melts with minimal slag...

Details A method for desulfurizing iron melts with minimal slag... A method for desulfurizing iron melts with minimal slag...

C - Chemistry, Metallurgy

21

C

C21C 1/02 (2006.01) C21C 7/064 (2006.01)

Patent

CA 2130996

- 19 - Abstract The invention relates to a method for desulfurizing iron smelts with minimal slag formation, and to an apparatus for carrying it out. The method for desulfurizing iron smelts is characterized by the steps of bringing a slag with the chemical analysis values Image and impurities due to the raw materials, to a temperature of 1400 to 1800°C in a tilting low-shaft furnace or an electric furnace or crucible furnace adapted for the inventive method, by resistance-heating the slag by means of elec- trodes immersed in the slag, and desulfurizing the sulfur- containing iron smelt with this slag, and discharging the smelt either discontinuously or continuously below the de- sulfurization slag, the ratio of iron smelt to slag not ex- ceeding the value of 10:1 parts by weight and the desulfu- rization slag being regenerated continuously and/or discon- tinuously.

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