FIELD: melting of ingots and remelting of returned metal. SUBSTANCE: metal is melted due to transfer of overheated melt of flux salt from lower part of chamber to furnace heating zone up to zone of metal melting with bringing flux to top of metal which is located in basket above the level of melt in furnace. Metal is melted and immediately removed without further heating. Preferably, use is made of flux melt containing calcium chloride and calcium fluoride. EFFECT: higher efficiency. 9 cl, 3 dwg, 1 tbl
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Authors
Dates
1994-09-30—Published
1991-10-23—Filed