Electric heating – Metal heating – By arc
Patent
1981-07-13
1983-05-31
Paschall, M. H.
Electric heating
Metal heating
By arc
31511121, 31511151, 219121P, 219121PR, 219121PN, B23K 900
Patent
active
043862586
ABSTRACT:
A plasma reactor is developed on the fact that a high frequency plasma flame is larger in volume and lower in velocity and therefore a reaction material can stay therein for a relatively long period of time. The plasma reactor has a d.c. arc plasma torch provided in the upper part of the pipe which is an electrically insulative pipe high in heat-resistance and corrosion-resistance or is made up of electrically conductive components which are so designed as to prevent magnetic induction, a reaction material continuously introducing pipe opened in the vicinity of the arc plasma jet from the torch, and a high frequency coil wound around the firstly mentioned pipe coaxially with the torch.
REFERENCES:
patent: 3296410 (1967-01-01), Hedger
patent: 3373306 (1968-03-01), Karlovitz
patent: 3407281 (1968-10-01), Greene et al.
patent: 3586905 (1971-06-01), Bignell
patent: 3620008 (1971-11-01), Newbold
patent: 3862393 (1975-01-01), Dundas et al.
patent: 4024373 (1977-05-01), Bykhousky et al.
patent: 4035604 (1977-07-01), Meleka et al.
patent: 4266113 (1981-05-01), Denton et al.
AIAA Journal, "Stale Control of Flowing Plasma . . . Fields", vol. 5, No. 5, May 1967, pp. 1015-1016.
Akashi Kazuo
Ishizuka Ryuichi
Yoshida Toyonobu
Asahi Kasei Kogyo Kabushiki Kaisha
Nippon Mining Co., Ltd.
Paschall M. H.
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