Furnace installation operated by direct electrical heating acco

Details Furnace installation operated by direct electrical heating acco Furnace installation operated by direct electrical heating acco

1974-12-10

1976-04-13

Envall, Jr., R. N.

13 22, F27B 2100

Patent

active

039506029

ABSTRACT:
In a furnace installation for producing silicon carbide in an intermittent operation, carbon electrodes arranged in the bottom of the furnace. A horizontally arranged resistance core is electrically connected to the carbon electrodes by vertically extending elements of an electrically conductive material having a higher specific conductivity than the core material. The resistivity of the connection between the electrodes and the core and the current passing through the connection produces a temperature lower than that necessary to form silicon carbide, and thereby prevents the destruction of the connections and electrodes normally caused by the downward movement of the silicon carbide roller.

REFERENCES:
patent: 870326 (1907-11-01), Tone
patent: 3647384 (1972-03-01), Dessureault
patent: 3702369 (1972-11-01), Bell

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