CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM

A converter blowing control method according to the present invention is a converter blowing control method including calculating, by heat balance calculation and material balance calculation, an amount of oxygen to be supplied and an amount of a cooling material or a rising heat material to be char...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAHASHI, Yukio, KAWABATA, Ryo, SUGINO, Tomohiro, AMANO, Shota, KIKUCHI, Naoki, NONAKA, Toshiki, CHATANI, Harutaka
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING 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 FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	A converter blowing control method according to the present invention is a converter blowing control method including calculating, by heat balance calculation and material balance calculation, an amount of oxygen to be supplied and an amount of a cooling material or a rising heat material to be charged for controlling a temperature and a component concentration of molten steel at end of blowing in a converter to target values, and controlling the blowing in the converter based on the calculated amount of oxygen to be supplied and the calculated amount of a cooling material or a rising heat material to be charged. a temperature of molten iron used as a raw material for blowing, which is a target of the heat balance calculation, is used as a charged molten iron temperature used in the heat balance calculation, and measured during a period when the molten iron is charged into the converter.