SYSTEM FOR CONTROLLING SECONDARY REFINING

PURPOSE: A system for controlling a secondary refining process is provided to reduce the variation of steel quality through precise control and automation of a secondary refining process. CONSTITUTION: A system for controlling a secondary refining process a vessel(110), a steel alloy facility(120),...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, BYUNG IL, YOO, CHANG KEUN, KIM, TAE SOO, YU, MIN KYOUNG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY 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 METALLURGY METALLURGY OF IRON OVENS PERFORMING OPERATIONS POWDER METALLURGY PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: A system for controlling a secondary refining process is provided to reduce the variation of steel quality through precise control and automation of a secondary refining process. CONSTITUTION: A system for controlling a secondary refining process a vessel(110), a steel alloy facility(120), a vacuum facility(130), a reflux facility(140), a sampling facility(150), an oxygen injection facility(160), and a control unit(200). The reflux facility injects argon to molten steel through the vessel so that the molten steel is fed back. The sampling facility measures the temperature of molten steel in a ladle. The oxygen injection facility injects oxygen to molten steel through the vessel. The control unit sets individual operation of the steel alloy facility, the vacuum facility, the reflux facility, the sampling facility, and the oxygen injection facility according to time and operates the facilities parallely according to time setting.