Method of controlling the nozzle damper of a metallurgical vessel
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United States of America Patent
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-
Oct 26, 1982
Grant Date -
N/A
app pub date -
Jul 2, 1980
filing date -
Jul 3, 1979
priority date (Note) -
Expired
status (Latency Note)
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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.
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