Method and furnace for making a molten product

Details Method and furnace for making a molten product Method and furnace for making a molten product

H - Electricity

05

B

H05B 7/00 (2006.01) H05B 3/03 (2006.01)

Patent

CA 2192068

A method and a furnace for melting a solid material to form an electrocast product, including at least two electrodes (4, 5). According to the method, the melting process is started by contacting the tops (13) of the electrodes (4, 5) with said solid material (23) to be melted while holding the electrodes close enough together to enable an electric current to flow therebetween, an electric arc is then generated between said electrodes to melt the solid material adjacent the tops (13) of the electrodes (4, 5), and said tops are subsequently gradually moved apart without breaking the contact with the material or cutting off the current flow between the electrodes.

L'invention est relative à un procédé et un four pour la fusion d'une matière solide, dans le but de former un produit électrofondu, comprenant au moins deux électrodes (4 et 5) suivant lequel, pour le démarrage de la fusion, on met les extrémités (13) des électrodes (4 et 5) en contact avec ladite matière solide (23) à fondre en les rapprochant suffisamment l'une de l'autre pour pouvoir créer entre ces électrodes un courant électrique, et l'on crée ensuite un arc électrique entre ces électrodes de manière à fondre la matière solide se trouvant à proximité des extrémités (13) des électrodes (4 et 5) et l'on écarte ensuite graduellement ces extrémités l'une de l'autre, tout en les maintenant en contact avec cette matière et en veillant à ce que le passage du courant entre les électrodes persiste.

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