Method of controlling the nozzle damper of a metallurgical vesse

Details Method of controlling the nozzle damper of a metallurgical vesse Method of controlling the nozzle damper of a metallurgical vesse

1980-07-02

1982-10-26

Rosenberg, P. D.

Metallurgical apparatus

With control means responsive to sensed condition

With means responsive to condition of treated material

266 44, 266 45, 266 78, C21D 1100

Patent

active

043557872

ABSTRACT:
Disclosed is a method of controlling the nozzle damper (slide valve) of a vessel for the metallurgical casting, in response of the variation of the molten metal level of the volume of molten metal tapped from said vessel the nozzle opening is stepwise controlled in response to, the value of the vertical level of the molten metal above said nozzle damper at the respective tapping time or after the respective tapping period with the molten metal volume calculated from the time integral of the respective previous actual damper opening areas.

REFERENCES:
patent: 3084925 (1963-04-01), Stauffer
patent: 4230308 (1980-10-01), Gueguen
Stahl u. Eisen, 1977, vol. 7, pp. 318-324.

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