METHOD FOR REFINING SPONGE TITANIUM AND DEVICE THEREFOR

PROBLEM TO BE SOLVED: To provide a refining method by which, at the time of separating impurities such as magnesium chloride and metallic magnesium remaining in a sponge titanium at high temperature under the reduced pressure, introducing the impurities into a capacitor vessel and performing condens...

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Bibliographische Detailangaben
1. Verfasser:	HIROTA MASAMI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RETORTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a refining method by which, at the time of separating impurities such as magnesium chloride and metallic magnesium remaining in a sponge titanium at high temperature under the reduced pressure, introducing the impurities into a capacitor vessel and performing condensation, thereby separating the same away, a separating vessel is not deformed, and to provide a vacuum separating device. SOLUTION: In this refining method in which, as for the sponge titanium obtained by bringing metallic magnesium into reaction with titanium tetrachloride in a separating vessel 5 contained in a heating furnace, impuritis are removed under a reduced pressure, the pressure in the heating furnace 1 and the separating vessel 5 is reduced, and furthere, in the process of the pressure reduction, the pressure in the separating vessel 5 is made the same as that in a space part 1a between the separating vessel 5 and the heating furnace 1 or higher than that.