Method for melting scrap or other materials and apparatus for im

Industrial electric heating furnaces – Arc furnace device – Plural furnace units

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373 80, F27D 1700

Patent

active

047363835

ABSTRACT:
In a method for melting a material selected from the group consisting of scrap or other similar materials with at least one melting furnace in a crucible equipped with electric arc heating, comprising directly pre-heating the material with the exhaust gases of the melting furnace and charging the material from the pre-heating vessel into a melting vessel prior to charging the heated scrap, each melting vessel is positioned below a stationary pre-heating vessel; and after charging the heated scrap, each melting vessel is positioned back above a stationary melting surface.

REFERENCES:
patent: 1208817 (1916-12-01), Moffat
patent: 4455660 (1984-06-01), Buhler
patent: 4506370 (1985-03-01), Yoshimatsu
patent: 4611339 (1986-09-01), Saitoh

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