METHOD FOR REUSING LOW PHOSPHORUS CONVERTER SLAG

PURPOSE:To reduce consumption and loss quantity of fluorite at the time of using low P converter slag as slag-making agent in a dephosphorizing furnace. CONSTITUTION:At the time of reusing the low P converter slag 5 obtd. at the time of decarbonize-refining molten iron already executing the dephosph...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAGAWA KEITA, FUJIWARA KIYOTO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce consumption and loss quantity of fluorite at the time of using low P converter slag as slag-making agent in a dephosphorizing furnace. CONSTITUTION:At the time of reusing the low P converter slag 5 obtd. at the time of decarbonize-refining molten iron already executing the dephosphorized treatment in the converter 2 and receiving the converter slag 5 removed from the converter 2 into a slag pan 3, in the condition of pre-charging auxiliary material of at least the fluorite 4, etc., in the slag pan 3, the above converter slag 5 is received, and after the above auxiliary material 4 is melted and mixed in the converter slag 5, this auxiliary material is used to the dephosphorizing treatment in the dephosphorizing furnace 1 or a ladle 6.