LANCE FOR BLOW-REFINEMENT IN CONVERTER

A lance for blow-refinement in a converter comprises a primary nozzle generating a high-velocity, high-pressure primary oxygen jet, and an auxiliary nozzle generating an auxiliary oxygen jet. The auxiliary oxygen jet formed by the auxiliary nozzle has a velocity lower than the speed of sound. The au...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TACHIBANA, RINZO, YOSHIKAWA, FUMIAKI, TAKASHIBA, NOBUYOSHI, KOJIMA, SHINJI, YAMADA, TAKAYASU
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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