Improved method of melting solid materials

Details Improved method of melting solid materials Improved method of melting solid materials

B - Operations, Transporting

09

B

B09B 1/00 (2006.01) B09B 3/00 (2006.01) B09C 1/06 (2006.01) C03B 5/00 (2006.01) C03B 5/027 (2006.01) E02D 3/11 (2006.01)

Patent

CA 2291643

A method of melting solid materials while controlling melt shape, without the expenditure of energy to melt unwanted quantities of surrounding materials, and an apparatus to effect the method. The method comprises the use of a planar starter path (48) between the electrodes (40) so as to initiate melting and/or vitrification in a plane rather than in a discrete linear path between the electrodes (40). Because melting is initiated along a significant portion of the linear dimension of the electrodes (40), creating a melted zone that is deeper than it is thick, the aspect ratio (depth "Y"/width "Z") of the melted mass (138) is greater than 1Ø

L'invention concerne un procédé de fusion de matières solides dans lequel on peut moduler la forme de la matière en fusion sans dépense d'énergie pour la fusion de quantités indésirables de matières environnantes, et un appareil permettant la mise en oeuvre dudit procédé. Ledit procédé consiste à utiliser un chemin de départ plan (48) entre les électrodes (40) de sorte que la fusion et/ou la vitrification soient amorcées dans un plan et non pas dans un chemin rectiligne discret entre les électrodes (40). Etant donné que la fusion est amorcée le long d'une majeure partie sensible de la dimension linéaire des électrodes (40), par la création d'une zone fondue plus profonde qu'épaisse, le rapport dimensionnel (profondeur "Y"/largeur "Z") de la masse fondue (138) est supérieur à 1,0.

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