B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 41/42 (2006.01) B22D 41/36 (2006.01) B22D 41/50 (2006.01) B22D 41/58 (2006.01)
Patent
CA 2268185
The invention relates to a plant for transferring liquid metal, in particular steel, between an upstream container (2) and a downstream container (10), comprising: an upstream container (2); a tapping spout (28); a downstream container (10), a flow regulator (26) for regulating the flow of liquid metal through the tapping spout (28); a set of refractory assemblies (8, 12, 30, 32, 64, 66, 74) which are placed between the upstream container and the downstream container, delimiting the tapping spout (28) via which the liquid metal flows from the upstream container (2) into the downstream container (10), each refractory assembly of the tapping spout (28) having at least one mating surface (22) forming a joint with a corresponding surface of an adjacent refractory assembly; a shroud channel (18; 40) placed around the tapping spout (28) near at least one mating surface (22) between refractory assemblies (8, 12, 30, 32, 64, 66, 74), this shroud channel having an inlet (44) capable of allowing the introduction of materials; in which plant means (32, 34; 36) are provided for introducing a sealing agent into the shroud channel (40; 18).
L'invention a trait à une installation servant à transférer du métal liquide, de l'acier notamment, d'un conteneur amont (2) vers un conteneur aval (10). Cette installation comporte un conteneur amont (2), un chenal de coulée de métal (28), un conteneur aval (10), un régulateur de débit (26) destiné à réguler le débit de métal liquide traversant le chenal de coulée (28) ainsi qu'un jeu de systèmes réfractaires (8, 12, 30, 32, 64, 66, 74) placés entre le conteneur amont et le conteneur aval, délimitant le chenal de coulée de métal (28) par lequel le métal s'écoule du conteneur amont (2) vers le conteneur aval (10), chaque système réfractaire du chenal de coulée (28) ayant au moins une face formant une surface de contact (22) pour la face correspondante d'un système réfractaire adjacent. L'installation est également pourvue d'une conduite enveloppante (18, 40) placée autour du chenal de coulée (28) à proximité d'au moins l'une des surfaces de contact (22) entre les systèmes réfractaires (8, 12, 30, 32, 64, 66, 74) et pourvue d'une admission (44) permettant l'introduction de matériaux. Cette installation comporte de surcroît, des équipements (32, 34, 36) destinés à l'introduction d'un agent d'étanchéité dans la conduite enveloppante (40, 18).
Richard Francois-Noel
Simoes Jose
Robic
Vesuvius Crucible Company
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