Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied...
Patent
1979-04-23
1980-07-29
Rosenberg, P. D.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
13 9R, 75 12, C21C 552, H05B 718
Patent
active
042147360
ABSTRACT:
Apparatus for melting metal chips comprising a preheating chamber, a prereducing chamber, and a melting chamber, the latter comprising a metallurgical vessel having a refractory wall with arc heater means mounted on the wall and extending therethrough which arc heater means provides an electric plasma arc which extends through an opening in the refractory wall, and the arc heater means comprising a downstream cylindrical electrode extending through the refractory wall for improved heating efficiency.
REFERENCES:
patent: 2978315 (1961-04-01), Schenck
patent: 4080194 (1978-03-01), Fey
Fey Maurice G.
Harvey, II Francis J.
Meyer Thomas N.
Wolf Charles B.
Johns L. P.
Rosenberg P. D.
Westinghouse Electric Corp.
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