METHOD FOR OPERATING A VACUUM MELTING SYSTEM, AND VACUUM MELTING SYSTEM OPERATED ACCORDING TO SAID METHOD
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United States of America Patent
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Apr 23, 2015
app pub date -
Mar 21, 2013
filing date -
Apr 11, 2012
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Abstract
A method operates a vacuum melting system for metallurgically treating molten steel. A vacuum melting system is operated according to the method. The acoustic signals generated in a ladle which receives the molten steel are detected by at least one structure-borne noise detector which is directly or indirectly acoustically coupled to the ladle, and the acoustic signals are used to ascertain the height or the thickness of the foamed slag which can be found in the ladle over the molten bath of the molten steel.
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