C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 9/56 (2006.01) C21D 9/573 (2006.01) F26B 13/18 (2006.01) F27B 9/14 (2006.01) F27D 3/00 (2006.01)
Patent
CA 2381220
The invention relates to an apparatus for supporting material to be treated in continuously operated thermal treatment furnaces, where the supporting of the material is realized by means of support elements installed externally to the thermal treatment furnace, in the vicinity of the orifice of the furnace, said apparatus comprising at least two support elements that are installed movably, so that the mutual positions of the support elements can be adjusted by means of a drive arrangement of the support apparatus. According to the invention, in connection with the housing element (1) used for supporting of the support elements (4), there is installed at least one gas flow control element (5), which enables the flowing of the gas used for treating the material (3) between the support element (4) and the control element (5), said control element (5) also constituting part of the sealing of the thermal treatment furnace (6).
L'invention porte sur un appareil destiné à supporter un matériau à traiter dans des fours de traitement thermique à fonctionnement continu. Le support du matériau est réalisé au moyen d'éléments de support installés à l'extérieur du four, à proximité de l'ouverture du four. Cet appareil comprend au moins deux éléments de support installés amovibles de façon à pouvoir régler les positions mutuelles des éléments de support au moyen d'un dispositif de commande de l'appareil. Selon cette invention, au moins un élément (5) de régulation de l'écoulement du gaz, installé dans le raccordement avec l'élément (1) du corps utilisé pour supporter les éléments (4) de commande, permet au gaz utilisé pour traiter le matériau (3) de s'écouler dans le passage formé entre l'élément (4) de support et l'élément (5) de régulation, ce dernier constituant également une partie du système d'étanchéité du four (6) de traitement thermique.
Arffman Heikki
Leinonen Risto
Uurtamo Heikki
Yli-Niemi Jussi
Yrjana Taisto
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Outokumpu Oyj.
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