Heat treatment method and apparatus using thermal plasma, and he

Details Heat treatment method and apparatus using thermal plasma, and he Heat treatment method and apparatus using thermal plasma, and he

2000-04-06

2000-12-05

Paschall, Mark

Electric heating

Metal heating

By arc

21912137, 21912148, 21912143, 21912151, B23K 1000

Patent

active

061569933

ABSTRACT:
In the method, apparatus and the substance produced thereby: a plasma flame 1 is produced by a plasma torch 11; the plasma flame 1 is passed through a plasma flame furnace 21 which controls the heat of the plasma flame 1; then, the plasma flame 1 is injected into a reactor column 31 to heat the substance. The substance may be a particle. The plasma flame 1 has a wide flame area in which a temperature of flame is uniform.

REFERENCES:
patent: 5066125 (1991-11-01), Rogers et al.
patent: 5222448 (1993-06-01), Morgenthaler et al.
patent: 5340023 (1994-08-01), Itoh et al.
patent: 5560844 (1996-10-01), Boulos et al.
patent: 5749937 (1998-05-01), Detering et al.
patent: 5908566 (1999-06-01), Seltzer

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