F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
F27D 3/16 (2006.01) B22D 37/00 (2006.01) C21C 5/46 (2006.01)
Patent
CA 2134801
A method and system for providing a controlled gaseous environment in the metal processing at the opening to a receiver and around a free liquid stream downwardly entering the receiver opening. The method comprises laminarly emitting at least two gas flows to extend and intersect over the receiver opening thereby forming an upward plume enveloping the free liquid stream.
Cette invention concerne une méthode et un dispositif pour l'établissement d'une atmosphère gazeuse contrôlée à l'entrée d'un creuset ou lingotière et autour d'un flux libre vertical de liquide destiné à remplir ledit creuset ou lingotière. La méthode comprend l'émission d'au moins deux jets de gaz laminaires et concourantes au-dessus du creuset ou de la lingotière pour former un panache s'élevant en hauteur et enveloppant ledit flux libre de liquide.
Praxair Technology Inc.
Sim & Mcburney
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