Metallurgical vessel comprising a tapping device and method...

F - Mech Eng,Light,Heat,Weapons – 27 – D

Patent

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F27D 3/15 (2006.01) B22D 11/10 (2006.01) B22D 11/113 (2006.01) B22D 39/00 (2006.01) B22D 41/14 (2006.01) C21C 5/46 (2006.01) F27B 3/19 (2006.01) F27D 3/14 (2006.01) F27D 3/00 (2006.01) F27D 9/00 (2006.01)

Patent

CA 2367997

The invention relates to a metallurgical vessel (1) comprising a tapping device (5) for the slag-free extraction of molten metal (3) from a molten metal bath (3) located in said vessel (1). According to the invention, a first limb (11) of a discharge channel (10) penetrates the fireproof vessel wall (15), and an overflow edge (14) which is located in the area where both limbs (11, 12) of the discharge channel (10) connect is arranged higher than the upper edge (18) of the entry opening (17) of the discharge channel. The molten metal (3) can be heated in the discharge channel (10) in a preferably inductive manner.

L'invention concerne une cuve métallique (1) dotée d'un dispositif de coulée (5) destiné au soutirage sans scories de métal liquide (3) d'un bain de métal fondu (3) se trouvant dans la cuve (1). Une première branche (11) d'un canal d'écoulement (10) traverse la paroi de cuve (15) réfractaire. Un bord de déversement (14), situé dans la zone de liaison des deux branches (11, 12) du canal d'écoulement (10), est plus haut que le bord supérieur (18) de l'ouverture d'entrée (17) du canal d'écoulement. Le métal en fusion (3) se trouvant dans le canal d'écoulement (10) peut être chauffé, de préférence, de façon inductive.

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