C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
C21C 5/52 (2006.01) F27B 3/19 (2006.01) F27B 3/06 (2006.01) F27B 3/08 (2006.01) F27D 3/15 (2006.01)
Patent
CA 2461568
The invention relates to an arc furnace (1), which can be tilted or remains stationary for tapping the melt or the slag and which comprises an eccentric and/or centric tap (9; 12). The invention also relates to a method for operating an arc furnace (1) of this type. The aim of the invention is to improve an arc furnace with regard to production and to operating characteristics by making structural changes thereto. To this end, the tap (9) is provided inside a separately mounted projection (6) that abuts against a terminating wall (4) of a lower vessel (2). In addition, at least one tapping channel (5) is provided, which connects the furnace trough (2a) and the projection (6) while passing through the terminating wall (4).
L'invention concerne un four à arc (1), de type basculant ou fixe pour la coulée de la fonte ou du laitier, ce four à arc présentant un trou de coulée excentré et/ou un trou de coulée centré (9 ; 12). L'invention concerne également un procédé permettant de faire fonctionner un tel four à arc (1). L'objectif de l'invention est d'améliorer, grâce à des modifications structurelles, aussi bien la production de ce four que le procédé pour le faire fonctionner. A cet effet, le trou de coulée (9) est situé dans une partie en saillie (6) adjacente à une paroi terminale (4) d'une cuve inférieure (2) et au moins un canal de coulée (5) traversant la paroi terminale (4) relie la cuve (2a) du four et ladite partie en saillie (6).
Heinrich Peter
Schubert Manfred
Riches Mckenzie & Herbert Llp
Sms Demag Aktiengesellschaft
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