Metallurgical plasma melting process

Details Metallurgical plasma melting process Metallurgical plasma melting process

1982-09-29

1986-12-02

Paschall, M. H.

Electric heating

Metal heating

By arc

219121PY, 219121PB, 373 18, 373 24, B23K 1500

Patent

active

046266542

ABSTRACT:
A metallurgical plasma melting process wherein a plasma burner and a separate start-up burner disposed alongside same in the same port have their axes intersecting in the furnace at an acute angle. Only the start-up burner is operated initially to form a crater in material in the furnace. Thereafter the plasma burner is ignited and the start-up burner is turned off when the plasma burner is operating at full efficiency.

REFERENCES:
patent: 3422206 (1969-01-01), Baker et al.
patent: 3779182 (1973-12-01), Camacho
patent: 3894573 (1975-07-01), Paton et al.
patent: 4263468 (1981-04-01), Primke et al.

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