Flexible minimum energy utlilisation electric arc furnace system and processes for making steel products

A combined arc furnace, ladle metallurgical furnace and vacuum degassing system having the flexibility to produce at least non-vacuum arc remelt, vacuum arc remelt, vacuum oxygen decarburised non-vacuum arc remelt, and vacuum oxygen decarburised vacuum arc remelt steels from one off to continuous ca...

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Bibliographische Detailangaben
Hauptverfasser:	Ericksen, Christian H, Liimatainen, Bruce C, Underys, Algirdas A, Guliana, John A, Brada, Guy A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY METALLURGY OF IRON PRETREATMENT OF RAW MATERIALS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PRODUCTION AND REFINING OF METALS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A combined arc furnace, ladle metallurgical furnace and vacuum degassing system having the flexibility to produce at least non-vacuum arc remelt, vacuum arc remelt, vacuum oxygen decarburised non-vacuum arc remelt, and vacuum oxygen decarburised vacuum arc remelt steels from one off to continuous casting end uses in steady state or randomised order which utilises only a minimum of energy attributable to preheating hot metal contacting components of the system followed by heat loss reduction of the components and use of a carryover heel in the arc furnace, in which the throughput of the system is limited solely by the melting capacity of the arc furnace.