SLAG COMPONENT ANALYSIS METHOD, SLAG BASICITY ANALYSIS METHOD, AND MOLTEN IRON REFINING METHOD

Provided is a slag component analysis method capable of quickly and accurately measuring slag components generated during refining of molten iron. The method comprises: irradiating a surface of slag to be analyzed with a pulse laser a plurality of times to turn part of the slag into plasma; dispersi...

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Hauptverfasser:	SUGAWARA Seiya, INOSE Masao
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COLORIMETRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING METALLURGY METALLURGY OF IRON PHYSICS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RADIATION PYROMETRY TESTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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creator	SUGAWARA Seiya INOSE Masao
description	Provided is a slag component analysis method capable of quickly and accurately measuring slag components generated during refining of molten iron. The method comprises: irradiating a surface of slag to be analyzed with a pulse laser a plurality of times to turn part of the slag into plasma; dispersing excitation light obtained from the slag turned into plasma and acquiring an emission spectrum of an element contained in the slag per one pulse laser irradiation or per a plurality of pulse laser irradiations; and deriving a target component concentration or component amount ratio from the acquired emission spectrum, wherein the slag to be analyzed is slag generated in a converter-type refining furnace, and in the process of turning part of the slag into plasma, the pulse laser is applied from a side of the converter-type refining furnace tilted to remove the slag generated in the converter-type refining furnace.
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The method comprises: irradiating a surface of slag to be analyzed with a pulse laser a plurality of times to turn part of the slag into plasma; dispersing excitation light obtained from the slag turned into plasma and acquiring an emission spectrum of an element contained in the slag per one pulse laser irradiation or per a plurality of pulse laser irradiations; and deriving a target component concentration or component amount ratio from the acquired emission spectrum, wherein the slag to be analyzed is slag generated in a converter-type refining furnace, and in the process of turning part of the slag into plasma, the pulse laser is applied from a side of the converter-type refining furnace tilted to remove the slag generated in the converter-type refining furnace.</description><language>eng ; fre ; ger</language><subject>CHEMISTRY ; COLORIMETRY ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT ; MEASURING ; METALLURGY ; METALLURGY OF IRON ; PHYSICS ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; RADIATION PYROMETRY ; TESTING ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241106&DB=EPODOC&CC=EP&NR=4336172A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241106&DB=EPODOC&CC=EP&NR=4336172A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUGAWARA Seiya</creatorcontrib><creatorcontrib>INOSE Masao</creatorcontrib><title>SLAG COMPONENT ANALYSIS METHOD, SLAG BASICITY ANALYSIS METHOD, AND MOLTEN IRON REFINING METHOD</title><description>Provided is a slag component analysis method capable of quickly and accurately measuring slag components generated during refining of molten iron. 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language	eng ; fre ; ger
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subjects	CHEMISTRY COLORIMETRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING METALLURGY METALLURGY OF IRON PHYSICS PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RADIATION PYROMETRY TESTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
title	SLAG COMPONENT ANALYSIS METHOD, SLAG BASICITY ANALYSIS METHOD, AND MOLTEN IRON REFINING METHOD
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