Method and apparatus for treating a metal melt

Details Method and apparatus for treating a metal melt Method and apparatus for treating a metal melt

1975-09-17

1977-06-28

Envall, Jr., R. N.

H05B 720

Patent

active

040327043

ABSTRACT:
A metal melt is treated by injecting fluid material into the melt below its surface and which material does not add heat to the melt during the injecting, thus requiring the addition of heat to the melt during the injecting, to maintain the melt's temperature. This heat is added by forming an electric arc between an electrode and the melt, using a DC power supply connected to the electrode and to a connector in contact with a lower portion of the melt, with the electrode connected to make it a cathode and the connector connected with the power supply so that it, and, therefore, the melt, form an anode.

REFERENCES:
patent: 2789152 (1957-04-01), Ham et al.
patent: 3101385 (1963-08-01), Robinson
patent: 3905589 (1975-09-01), Schempp et al.
patent: 3918692 (1975-11-01), Oberg

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