DISPOSITIVO PER IL CONTROLLO DELLA PRESSIONE IN UNA SIVIERA

DISPOSITIVO PER IL CONTROLLO DELLA PRESSIONE IN UNA SIVIERA

A thermal recuperator for heating gas supplied to a vessel from which a hot gas is discharged and which allows the pressure in the vessel to be controlled substantially without regard to the pressure drop necessary to cause the hot gas to flow through the recuperator. The invention has particular ut...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: INGEMAR GREIS KLAUS KOBERSTEIN
Format: Patent
Sprache:ita
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:A thermal recuperator for heating gas supplied to a vessel from which a hot gas is discharged and which allows the pressure in the vessel to be controlled substantially without regard to the pressure drop necessary to cause the hot gas to flow through the recuperator. The invention has particular utility in the case of a metallurgical ladle provided with a ladle heater, the combustion air for which is heated in a recuperator receiving waste gas from the ladle. A conduit for the waste gas leaving the ladle is surrounded by one or more conduits for the combustion air, and an ejector fed with combustion air is arranged at the gas outlet of the waste gas conduit to accelerate the waste gases and facilitate their egress from the recuperator.