Electric heating – Metal heating – By arc
Patent
1990-12-05
1993-10-19
Reynolds, Bruce A.
Electric heating
Metal heating
By arc
21912159, 266271, 266 45, 266 67, 373166, H05H 100, B23K 900
Patent
active
052548295
ABSTRACT:
A water-cooled plasma torch specially designed to drill into a refractory material is used in a method for opening a tap hole closed by a plug in a wall of a furnace. This method which is particularly well adapted for robotization, includes the step of melting and breaking up the plug closing the tap hole by means of a jet of swirling gas of high speed and high temperature, generated by the plasma torch. The main advantage of this method is that the stream of plasma gas leaving the torch has a well defined outline ensuring precise and reproducible tapping of the plug and, as a result, efficient closing of the tap hole with a new plug after the furnace has been emptied.
REFERENCES:
patent: 940561 (1909-11-01), Seward
patent: 1186358 (1916-06-01), Witz
patent: 3667748 (1972-06-01), Dienenthal et al.
patent: 3818174 (1974-06-01), Camacho
patent: 4037828 (1977-07-01), Terada et al.
patent: 4289949 (1981-09-01), Raaness et al.
patent: 4335265 (1982-06-01), Roberge et al.
patent: 4549065 (1985-10-01), Camacho et al.
patent: 4559439 (1985-12-01), Camacho et al.
patent: 4678888 (1987-07-01), Camacho et al.
Patent Abstracts of Japan, vol. 14, No. 407, Sept. 4, 1990, JP 2,155,575, Komatsu Ltd., Jun. 14, 1990.
Choi Hyun K.
Drouet Michel G.
Meunier Jean
Hydro - Quebec
Jeffery John A.
Reynolds Bruce A.
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