FIELD: process and apparatus for detecting slag in melt metal flow passing through casting nozzle of ladle. SUBSTANCE: first and second conductive pins are mounted one under another in wall of casting nozzle of ladle. First pins is in contact with flow of melt metal but it is electrically insulated relative to wall. Second pin has electric contact with wall and with flow of melt metal. Voltmeter is connected between two conductive pins for measuring potential difference between them in melt metal flowing through casting nozzle. Sharp potential change caused by passing of metal-slag interphase boundary through casting nozzle indicates slag presence in melt metal. EFFECT: enhanced reliability of slag detection, increased service life period of apparatus. 29 cl, 6 dwg
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