B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 11/12 (2006.01)
Patent
CA 2645094
A process for the continuous casting of slabs or other metal products of elongate cross section, especially made of steel, is presented in which a molten metal is poured into a cooled mould (10), the product (14) solidified on the outside is continuously extracted from the mould and guided into a secondary cooling zone (12) downstream of said mould (10). To obtain a cast product exhibiting predominantly equiaxed solidification, the product (14) extracted from the mould (10) is subjected to electromagnetic stirring in the zero segment (20) of the secondary cooling zone (12) by means of at least two roll stirrers (24) incorporated into said zero segment.
On présente un procédé de coulée continue de brames ou autres produits métalliques de section allongée, notamment en acier, dans lequel on verse un métal en fusion dans une lingotière refroidie (10), on extrait en continu de la lingotière le produit (14) solidifié extérieurement et on le guide dans une zone de refroidissement secondaire (12) en aval de ladite lingotière (10). Afin d'obtenir un produit coulé présentant une solidification majoritairement équiaxe, on soumet le produit (14) extrait de la lingotière (10) à un brassage électromagnétique au niveau du segment zéro (20) de la zone de refroidissèment secondaire (12), au moyen d'au moins deux rouleaux-brasseurs (24) incorporés audit segment zéro.
Kunstreich Siebo
Yves Dominique
Robic
Rotelec
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