Plasma melting furnace

Details Plasma melting furnace Plasma melting furnace

H - Electricity

05

B

307/16

H05B 7/02 (2006.01) F27D 11/08 (2006.01) H05B 7/00 (2006.01) H05H 1/34 (2006.01)

Patent

CA 1175874

ABSTRACT OF THE DISCLOSURE: A plasma melting furnace includes a furnace body, a cover- ing cap, one or more electrodes penetrating the bottom of the furnace body, and at least three plasma burners pene- trating; the furnace wall or the covering cap and arranged so as to be inclined towards the bottom. In order to a- chieve a high melting performance with a simultaneously low energy consumption, charging openings are provided in the covering cap for the continuous melting of small- sized material, such as light scrap and iron sponge. Their vertical axes are located in a plane extending through the annular symmetry of the normal projection of the axes of two neighboring plasma burners as well as be- tween two vertical planes each extending perpendicular to the normal projections of the individual burner axes. One of the two planes is laid through the point of impact of the direct plasma jets on the melt and the second plane extends parallel thereto at the distance of a third of the length of the projections of the direct plasma jets from their exit out of the burners as far as to their point of impact.

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