Forehearth with weir, particularly for use in a basalt smelting

Details Forehearth with weir, particularly for use in a basalt smelting Forehearth with weir, particularly for use in a basalt smelting

1977-03-03

1978-06-27

Dost, Gerald A.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By separating metal in a molten mass from undesired...

266166, 266240, F27D 1500

Patent

active

040970329

ABSTRACT:
A forehearth of a smelting furnace which includes a weir used in conjunction with a float essentially in the form of a U disposed in a horizontal position, with the opening of the U disposed adjacent to the discharge opening of the weir, the float having a thickness sufficient to act to dam or stop passage of molten material from the forehearth through the weir, but allowing such molten material to pass under the float, and through the opening of the U, and thence through the discharge weir.

REFERENCES:
patent: 848840 (1907-04-01), Moore
patent: 2435696 (1948-02-01), Pluta et al.
patent: 2718389 (1955-09-01), Perrin
patent: 3389898 (1968-06-01), Schimmel et al.
patent: 3706449 (1972-12-01), Anderson et al.

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