C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
C21B 7/12 (2006.01)
Patent
CA 2619756
A ladle (2) or other container for molten metal (5) is provided with an outlet nozzle (4) that allows a stream of molten metal to flow by heating the nozzle (4) to the melting temperature of the metal (5). The nozzle (4) is, for example, tubular and made of AI2O3 or SiO2 and is surrounded by a graphite tube (8) in thermal contact with the nozzle (4). The nozzle (4) is heated by heating the surrounding graphite tube (S) inductively. Once the temperature of the nozzle (4) exceeds the liquidus temperature of the metal (5) in the ladle (2), the metal (5) will flow out of the ladle (2) through the nozzle (4).
L'invention concerne une poche (2) ou un autre contenant de métal liquide (5), pourvue d'une buse de sortie (4) permettant à un flux de métal fondu de s'écouler par chauffage de la buse (4) à la température de fusion du métal (5). La buse (4) est par exemple tubulaire et réalisée en Al2O3 ou SiO2, et entourée par un tube de graphite (8) se trouvant en contact thermique avec la buse (4). La buse (4) est chauffée par chauffage par induction du tube de graphite (S) qui l'entoure. Lorsque la température de la buse (4) excède la température de fusion du métal (5) dans la poche (2), le métal (5) s'écoule de la poche (2) par la buse (4).
Mott John R.
Stanley Earl K.
Advanced Metals Technology Company Llc
Ridout & Maybee Llp
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