METHOD OF START HEATING OF NON-ELECTROCONDUCTIVE MATERIALS IN INDUCTION FURNACE Russian patent published in 1994 - IPC

FIELD: electrometallurgy. SUBSTANCE: method involves the steps of: introducing a non-cooled conductive loop into an initial charge, heating the loop till forming a melt around the loop, heating the loop till breaking and occurring an electric arc at the ends of the loop and maintaining the burning of arc till complete combustion or melting of the loop. EFFECT: enhanced efficiency. 3 dwg, 1 tbl