CLOSING PLATES MADE OF FIRE-RESISTANT MATERIAL FOR LINEAR OR ROTATORY SLIDE-VALVE SHUTTERS

A refractory plate used as a stationary and/or as a movable closure plate in a sliding closure unit for discharging molten metal from a metallurgical vessel includes a refractory plate body having parallel opposite planar surfaces. A first discharge opening extends through the body between the paral...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MUSCHNER, UDO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS PERFORMING OPERATIONS POWDER METALLURGY RETORTS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A refractory plate used as a stationary and/or as a movable closure plate in a sliding closure unit for discharging molten metal from a metallurgical vessel includes a refractory plate body having parallel opposite planar surfaces. A first discharge opening extends through the body between the parallel surfaces and is used for initial operation. At least one other discharge opening extends through the body between the parallel surfaces and is sealingly closed by a stopper plug of refractory material. Upon erosion damage to the first discharge opening, such damaged opening may be closed by a stopper plug of refractory material, the stopper plug may be removed from the other discharge opening, and the plate may be reversed such that the other discharge opening then is employed for further operation of the plate.