Process and apparatus for melting a furnace charge

Details Process and apparatus for melting a furnace charge Process and apparatus for melting a furnace charge

1991-06-19

1992-11-24

Evans, Geoffrey S.

Industrial electric heating furnaces

Plural diverse heating means

Arc

373 60, 373 85, 373 88, 110214, 422168, 266186, 432 95, H05B 1100

Patent

active

051669501

ABSTRACT:
Process for melting a furnace charge, with post-combustion of the smokes by njecting an oxygenated gas in the furnace atmosphere as a series of jets flowing according to a tangential component in the space between electrodes and cylindrical furnace partition of the furnace, in a direction of injection so as to produce a rotary gas current about the vertical axis of the furnace and preferably in at least two series as two stepped levels to produce gas currents which rotate in opposite directions. Applications to electrical furnaces for the production of steel or ferro-alloys.

REFERENCES:
patent: 3423080 (1969-01-01), Keyser
patent: 3459867 (1969-08-01), Estes
patent: 3997711 (1976-12-01), Stark et al.
patent: 4077614 (1978-03-01), Udo et al.
patent: 4181504 (1980-01-01), Camacho
patent: 4493088 (1985-01-01), Lugscheider et al.
patent: 4635568 (1987-01-01), Angelo
patent: 4730336 (1988-03-01), Herneisen et al.
patent: 4740989 (1988-04-01), Steipe et al.
patent: 4827486 (1989-05-01), Brotzmann et al.

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