Method and plant for continuous direct casting of a metal strip

Details Method and plant for continuous direct casting of a metal strip Method and plant for continuous direct casting of a metal strip

B - Operations, Transporting

22

D

B22D 11/06 (2006.01) B21B 1/46 (2006.01)

Patent

CA 2527601

The invention relates to a method for continuous direct casting of a metal strip, whereby said strip is cast by solidification of liquid metal in an ingot mould with cooled moving walls and a hot rolling of said strip is carried out in line, characterised in that a product is applied to the surface of the strip on exit from the ingot, which leaves a layer of lubricant on the surface when the strip is hot rolled and which causes a gas to be given off which contributes to the protection of said surface from oxidation. The invention further relates to a continuous direct casting plant for a thin metal strip, of the type comprising an ingot mould with moving cooled walls, where the solidification of said strip takes place and an in-line hot rolling unit for said solidified strip, characterised in comprising means for application of a product to the surface of said strip at the exit from the ingot, which leaves a layer of lubricant on the surface at the entry to the hot rolling unit.

Procédé de coulée continue directe d'une bande métallique selon lequel on coule ladite bande par solidification de métal liquide dans une lingotière à parois mobiles refroidies et on effectue un laminage à chaud en ligne de ladite bande, caractérisé en ce qu'on envoie sur la surface de la bande, à sa sortie de la lingotière un produit laissant subsister une couche lubrifiante sur ladite surface au moment où la bande est laminée à chaud et causant un dégagement gazeux contribuant à protéger ladite surface de l'oxydation. Installation de coulée continue directe d'une bande mince métallique, du type comportant une lingotière à parois mobiles refroidies où a lieu la solidification de ladite bande et une installation de laminage à chaud en ligne de ladite bande solidifiée, caractérisée en ce qu'elle comporte des moyens pour appliquer sur la surface de ladite bande à sa sortie de la lingotière un produit laissant subsister une couche lubrifiante sur ladite surface à l'entrée de l'installation de laminage à chaud.

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