METHOD AND DEVICE FOR DETECTING THE SLAG LEVEL IN A METALLURGICAL VESSEL
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United States of America Patent
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Jul 9, 2015
app pub date -
Jul 3, 2013
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Jul 5, 2012
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Abstract
A method and a device for detecting the slag level of a metal melt in a metallurgical vessel (1). At least one signal-generating detecting apparatus (6) is directed at the metallurgical vessel (1) and/or at least at a slag flow (3) out from the metallurgical vessel. In a phase A, a slag level SPA is directly determined from the signals by a processing unit (9). If such direct detection is not possible, the width BMi of the slag (3) flowing out is detected in at least one direction i and the slag level SPB is determined by the processing unit by the amount of slag SM flowing out. This also controls the amount of carbon carriers introduced into the metallurgical vessel to set the slag level.
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