Metallurgical furnace for production of liquid steel

Details Metallurgical furnace for production of liquid steel Metallurgical furnace for production of liquid steel

1994-05-09

1995-09-19

Andrews, Melvyn

Metallurgical apparatus

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

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

C21C 542

Patent

active

054510350

ABSTRACT:
The invention relates to a furnace (1) for melting metal-bearing substances and/or production of liquid metal (4) of the type in which said metal (4) has above it a layer of slag (5) liable to be affected by a "foaming" phenomenon, in which a side wall of said furnace comprises an orifice (17) opening into an adjacent tank (22) capped with a vault (25), said tank (22) being capable of collecting a proportion of said slag (5) by overflowing through said orifice (17) when said foaming phenomenon takes on proportions that risk causing damage to said furnace (1).
The invention also relates to a process for the production of liquid metal employing such a furnace.

REFERENCES:
patent: 2997288 (1961-08-01), Schwechheimer et al.
patent: 3614082 (1971-10-01), Tsymbal
patent: 4444378 (1982-04-01), Reese
patent: 5050185 (1991-09-01), Bourge et al.
patent: 5279639 (1994-01-01), Kemeny et al.
Patent Abstracts of Japan JP 58073714 Apr. 1983.

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