Electric arc plasma torch

Details Electric arc plasma torch Electric arc plasma torch

1985-02-14

1986-06-24

Paschall, M. H.

Electric heating

Metal heating

By arc

219121PR, 219121PQ, 219 75, B23K 900, B23K 916

Patent

active

045969183

ABSTRACT:
The plasma torch has a hot cathode (3) connectable to the negative poles of a main current course and of an arcing current source, an anode (2) connectable to the positive pole of the main current source, and an intermediate arcing electrode (6) connectable to the positive poles of both sources. An inert gas is introduced (at 8) between the cathode (3) and the arcing electrode (6). A plasma-producing gas is introduced (at 4) between the arcing electrode (6) and the anode (2). A fuel supply line (17) may open into the space between the arcing electrode (6) and the anode.

REFERENCES:
patent: 3387110 (1968-06-01), Wendler et al.
patent: 3832513 (1974-08-01), Klasson
patent: 3869593 (1975-03-01), New et al.
J. Aubreton, P. Fauchais, Les Fours a Plasma, Rev. Gen. Therm., Fr. No. 200-201, Aout-Septembre 1978, p. 681, SVV.
R. Muller, The Use of Hydrogen Plasma Processes in the Petrochemical and Iron-Producing Industries, World Hydrogen Energy Conference IV, Pasadena, U.S., 1982.

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