Apparatus for metallurgical treatment of molten steel

Details Apparatus for metallurgical treatment of molten steel Apparatus for metallurgical treatment of molten steel

1992-02-14

1993-11-23

Andrews, Melvyn J.

Metallurgical apparatus

With means treating or handling gases exhausted by treating...

Offtake

266165, 266208, 373 9, C21C 540

Patent

active

052636909

ABSTRACT:
A unit for the metallurgical treatment of molten steel, located in steel teeming ladles, by heating and vacuum treatment. The ladle-metallurgical treatment unit serves for the mutual treatment of steel meltings by heating and vacuum treatment. It consists of two treatment stations, each of which is provided with a stationary tank 1, 2 for incorporating the steel teeming ladle 3, 4, and each is provided with a laterally movable vacuum lid mechanism 13. A heating device with a swiveling heating lid 9, which is arranged centrally between the two treatment stations, is brought into the working position over one of the two steel teeming ladles 3, 4. The invention provides a concentrated arrangement of the treatment stages for two steel teeming ladles, wherein only one heating device is required for heating, only one vaccum pump unit is required for the vacuum treatment, the treatment times and transport times of the steel teeming ladle between melting vessel, treatment unit and continuous teeming unit are shortened such that a continuous steel production, including its treatment, and longer teeming sequences in the continuous teeming unit are made possible.

REFERENCES:
patent: 3826646 (1974-07-01), Karlsson et al.
patent: 4459697 (1984-07-01), Bretthauer et al.

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