FEUERFESTE VERBINDUNG SOWIE INDUKTIONSSPULE HIERFUER

The invention relates to a refractory nozzle between a vessel containing a metal melt and a withdrawal device for the metal melt, in particular a refractory outlet for molten steel. To avoid the metal melt freezing in and to avoid deposits of constituents of the metal melt on the inner surface (2) o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BRUECKNER, RAIMUND
Format:	Patent
Sprache:	ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INDUCTANCES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAGNETS PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a refractory nozzle between a vessel containing a metal melt and a withdrawal device for the metal melt, in particular a refractory outlet for molten steel. To avoid the metal melt freezing in and to avoid deposits of constituents of the metal melt on the inner surface (2) of the wall of the outlet, the invention essentially proposes that the inner wall (1) of the outlet be composed completely or partially of a ceramic material which is electrically conductive at least at the liquidus temperature of the metal melt and can be inductively heated by means of an induction coil (4), or contains such a material. The invention also relates to the particular design of an induction coil (4) which is economic to use for this purpose or, indeed, in another context.