Apparatus for the melting and treatment of metal

Details Apparatus for the melting and treatment of metal Apparatus for the melting and treatment of metal

1994-12-01

1996-01-02

Andrews, Melvyn

Metallurgical apparatus

Geographic or structural installation

Having refining vessel with travelling support

266165, C21B 1314

Patent

active

054801273

ABSTRACT:
In a method for melting and treating metals and metal alloys, especially steels, solid charge material is melted in a ladle. Then while passing a gas through the melt at least part of the time, at least one of the treatments of decarburization, dephosphorization, deoxidation, desulfurization, alloying and removing nonmetallic inclusions is performed in the same ladle. An apparatus for the practice of the method has two tracks (W1, W2) for the ladle (5), which are aligned in an approximate T-shape to one another, a preheating station (9) and a slag removal station (14) being arranged in the top part of the T and, at the intersection between the top part and the stem between the preheating station (9) and the slag removal station (14), the first treatment station (10) with a heating system is disposed, and at the free end of the stem of the T a second treatment station (16) for the vacuum treatment is disposed.

REFERENCES:
patent: 3411764 (1968-11-01), Falk
patent: 3467167 (1969-09-01), Mahin
patent: 3575695 (1971-04-01), Miyashita
patent: 3885956 (1975-05-01), Obst
patent: 3885957 (1975-05-01), Richter
patent: 4814006 (1989-03-01), Gorjup et al.
patent: 5196157 (1993-03-01), Inoue
Swaney et al. "Development of a small sized ladle metallurgy system" Metallurgical Plant and Technology International May 1990 pp. 64-73.

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