Refining ferrous melt

Details Refining ferrous melt Refining ferrous melt

F - Mech Eng,Light,Heat,Weapons

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307/19

F27B 14/04 (2006.01) B22D 1/00 (2006.01) C21C 7/00 (2006.01) C21C 7/064 (2006.01) C21C 7/10 (2006.01) H05B 7/20 (2006.01)

Patent

CA 1115759

ABSTRACT OF THE DISCLOSURE: A method of refining a ferrous melt, comprising the step of introducing the ferrous melt into a ladle; applying and sealing a cover to said ladle; introducing a stirring gas into the melt in said ladle through a porous plug in the base of said ladle; heating the melt in said ladle by passing a direct electric current through said melt between two elec- trodes in contact therewith and by additionally generating an arc with direct current between another electrode spaced from above the melt; and introducing a gas into said melt through at least one of said electrodes. And an apparatus to carry out said method.

306590

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