Method and device for tapping molten metal from...

Details Method and device for tapping molten metal from... Method and device for tapping molten metal from...

C - Chemistry, Metallurgy

21

C

C21C 5/46 (2006.01)

Patent

CA 2366193

In order to impede entrainment or trailing of molten slag (1) while tapping molten metal (2) from a metallurgical vessel (5) having a tap hole (1) in the bottom (13) of said vessel, the molten slag (1) is blown away from the surface of the molten metal in the area of the tap hole (10) (2) by a gas jet (9) with high impulsive energy.

L'invention vise à permettre d'éviter, lors de la coulée d'une matière fondue métallique (2) contenue dans une cuve métallurgique (5) présentant un trou de coulée (10) situé au fond (13) de la cuve, que le laitier en fusion (1) ne s'écoule avec la matière fondue métallique ou à la suite de cette dernière. A cet effet, un jet de gaz (9) présentant une grande énergie d'impulsion est utilisé pour chasser de la surface de la matière métallique en fusion, le laitier en fusion (1) dans la zone du trou de coulée (10).

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