Continuous-flow metal distributor of the type that includes...

B - Operations – Transporting – 22 – D

Patent

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Details

B22D 11/10 (2006.01) B22D 11/11 (2006.01) B22D 41/015 (2006.01)

Patent

CA 2235202

This invention concerns a ring-shaped part, made of a refractory material (28), designed to be installed in a continuous-flow metal distributor (1) which has a plasma torch (18) for reheating the liquid metal (4). Its inside wall (29) wall creates a bell-shaped space at the bottom, with an upper opening (30) and a lower opening allowing the said torch (18) to penetrate the said space. The invention also concerns a continuous-flow metal distributor (1) of the type that includes at least one plasma torch (18) for reheating the liquid metal (4), and at least one cover (24) through which the said torch (18) passes, and featuring a ring-shaped part, made of a refractory material (28), as described above. The said part (28) is attached to the said cover (24), or to the refractory wall (3) of the said distributor (1) and/or possibly to one or more partitions (10) defining a heating compartment (13) inside the said distributor (1). The bell-shaped part of its inside wall (29) points toward the bottom of the distributor (1).

L'invention a pour objet une pièce en matériau réfractaire (28), de forme annulaire, destinée à être implantée dans un répartiteur de coulée continue des métaux (1) comportant une torche à plasma (18) pour le réchauffage du métal liquide (4), et dont la paroi interne (29) définit un espace évasé vers le bas comportant une ouverture supérieure (30) et une ouverture inférieure et autorisant la pénétration de l'extrémité inférieure de ladite torche (18) dans ledit espace. L'invention a également pour objet un répartiteur de coulée continue des métaux (1) du type comportant au moins une torche à plasma (18) pour le réchauffage du métal liquide (4), et au moins un couvercle (24) traversé par ladite torche (18), caractérisé en ce qu'il comporte une pièce en matériau réfractaire (28) de forme annulaire telle que définie précédemment, ladite pièce (28) étant fixée audit couvercle (24), ou à la paroi réfractaire (3) dudit répartiteur (1) et/ou éventuellement à une ou des cloisons (10) délimitant un compartiment de réchauffage (13) à l'intérieur dudit répartiteur (1), et l'évasement de sa paroi interne (29) étant tourné en direction du fond du répartiteur (1).

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