Method and apparatus for adding shot to molten steel

Details Method and apparatus for adding shot to molten steel Method and apparatus for adding shot to molten steel

C - Chemistry, Metallurgy

21

C

39/105, 53/90

C21C 7/00 (2006.01) B22D 11/10 (2006.01) B22D 11/11 (2006.01)

Patent

CA 1333527

A vertical first stream of molten metal flows from a ladle into the tundish of a continuous casting appara- tus. A second stream composed of solid, particulate alloying ingredient and a non-oxidizing carrier gas is directed into the first stream with a nozzle. The two streams each have unenclosed parts exposed to the atmo- sphere surrounding the ladle and the tundish. The nozzle is cooled with a non-oxidizing gas flowing through a nozzle cooling jacket and exhausted at the outlet end of the nozzle. The nozzle interior has a converging down- stream end portion for converging the second stream just before it leaves the nozzle.

603384

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