Electric furnace construction

Details Electric furnace construction Electric furnace construction

1982-02-09

1984-03-06

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

F27D 100

Patent

active

044358121

ABSTRACT:
An electric furnace or electric arc or resistance melting furnaces comprises a housing with a refractory lining which defines a furnace hearth in the housing and with a plurality of electrodes extending through the refractory having one of their ends terminating in the hearth and the opposite ends extending out of the housing. A plate is arranged in spaced relationship to the housing on its exterior and is connected to the opposite ends of the electrodes. The plate is arranged to define a cooling space outside of the housing which surrounds the electrodes. A cooling fluid is circulated into the cooling space and over the electrodes.

REFERENCES:
patent: 941419 (1909-11-01), Keller
patent: 1234947 (1917-07-01), Sperling

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