Method for starting operation of a resistance melter

Details Method for starting operation of a resistance melter Method for starting operation of a resistance melter

1976-01-16

1977-04-12

Envall, Jr., R. N.

13 6, C03B 502, F27D 1104, H05B 360

Patent

active

040176746

ABSTRACT:
A method for starting the operation of a resistance furnace, where heating occurs by passing a current through the charge between two furnace electrodes and the charge is a material which is essentially electrically nonconductive when in a solid physical state but which becomes more electrically conductive when in a molten physical state, by connecting electrical resistance heating wire between the furnace electrodes, placing the wire in contact with the charge material between the electrodes and passing a current through the wire to heat the wire to a temperature sufficient to melt the material between the furnace electrodes so that as the material melts, current begins to pass between the electrodes through the melted material, further heating and melting more material until all current between the electrodes passes through the charge material without the aid or presence of the resistance element.

REFERENCES:
patent: 2711435 (1955-06-01), Humphrey

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