Slag controlling device for basic oxygen furnaces

Details Slag controlling device for basic oxygen furnaces Slag controlling device for basic oxygen furnaces

1988-07-13

1989-06-20

Kastler, S.

Metallurgical apparatus

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

By means introducing treating material

222603, 266217, B22D 4108

Patent

active

048403555

ABSTRACT:
Basic oxygen furnaces such as used in the production of steel comprise a vessel having a tap hole in an upper side wall section, the vessel being mounted for tilting motion with respect to its normal vertical position. Molten metal and slag thereon are separated in the area of the tap hole when the metal is being tapped by the introduction of gas such as argon or nitrogen through several slag controlling devices comprising refractory bodies defining a plurality of controlled passageways positioned around and about the tap hole.

REFERENCES:
patent: 4360190 (1982-11-01), Ato
patent: 4396179 (1983-08-01), LaBate
patent: 4483520 (1984-11-01), LaBate
patent: 4538795 (1985-09-01), LaBate
patent: 4632367 (1986-12-01), LaBate
patent: 4687184 (1987-08-01), LaBate et al.
patent: 4725047 (1988-02-01), LaBate
patent: 4767036 (1988-08-01), Schleimer et al.

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