C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
C21C 5/48 (2006.01) B22D 1/00 (2006.01) C21C 7/072 (2006.01) C22B 9/05 (2006.01) F27D 3/16 (2006.01)
Patent
CA 2099781
The invention concerns a nozzle assembly for introducing fluids into a melt, the nozzle assembly comprising a perforated nozzle brick (3), made of refractory material, which can be inserted in the wall (1) of the melt vessel (2) and which surrounds a cylindrical element (4) holding a nozzle tube (6, 7). In order to increase the useful life of the nozzle assembly, the cylindrical element (4) is surrounded by the nozzle brick (3) so that it can move longitudinally, and the nozzle tip is replaced, as it is consumed, by pushing the cylindrical element (4) in towards the interior of the melt vessel.
L'invention est une buse servant à introduire des fluides dans une coulée. Cette buse est constituée d'une brique (3) faite d'un matériau réfractaire qui peut être insérée dans la paroi (1) du bac de fusion (2) et qui entoure un élément cylindrique (4) retenant son tube d'alimentation (6,7). Pour augmenter la durée de vie de la buse, cet élément cylindrique (4) est entouré par la brique (3) de façon à pouvoir se déplacer longitudinalement à mesure que l'ajutage de la buse est remplacé quand il se consume, ledit ajutage le poussant vers l'intérieur du bac de fusion.
Raidl Georg
Schmelzer Walter
Wells William
Kortec Ag
Mannesmann Ag
Robic
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