Industrial electric heating furnaces – Arc furnace device – Furnace body detail
Patent
1980-10-21
1982-08-17
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Furnace body detail
F27D 112
Patent
active
043453325
ABSTRACT:
The invention relates to a cover for a vessel for a metal melting furnace, in particular an electric arc furnace, with cooling-pipe coils connected to the cover frame and distributed across it, at least one of which cooling-pipe coils is exposed to the furnace hearth, all of which coils lie adjacent to each other.
REFERENCES:
patent: 3967048 (1976-06-01), Longenecker
patent: 4207060 (1980-06-01), Zangs
Envall Jr. Roy N.
Mannesmann DeMag AG
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