Heating – Work chamber having heating means
Patent
1975-09-17
1977-01-25
Envall, Jr., R. N.
Heating
Work chamber having heating means
214 21, 432239, F27D 300
Patent
active
040052524
ABSTRACT:
A gas collection apparatus for use in open electrical smelting furnaces is disclosed. The apparatus comprises an annular body about the outer circumference of the furnace and sealed to the top edge of the furnace on one side thereof with a sloped wall extending into the furnace on the other side to a depth below the normal height of the charge in the furnace.
REFERENCES:
patent: 2671124 (1954-03-01), Bagley
patent: 3721743 (1973-03-01), Shiina et al.
patent: 3895175 (1975-07-01), Krogsrud
Elkem-Spigerverket
Envall, Jr. R. N.
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