METHOD AND DEVICE FOR MANUFACTURING TITANIUM INGOT IN WHICH SCRAP IS USED

PROBLEM TO BE SOLVED: To use recovered titanium scraps as a melting raw material, to add an additive, and to melt high-quality ingots.SOLUTION: Scraps 13 to which individual identification information 22 is assigned are passed through an automatic readout instrument, and the information is acquired...

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Bibliographische Detailangaben
Hauptverfasser:	TAKI CHIHIRO, TANAKA HISAMUNE, YAMAMOTO NORIO, ASAOKA TAKAYUKI, ODA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To use recovered titanium scraps as a melting raw material, to add an additive, and to melt high-quality ingots.SOLUTION: Scraps 13 to which individual identification information 22 is assigned are passed through an automatic readout instrument, and the information is acquired and stored in a data server. In the initial stage of ingot 11 manufacturing, from the information stored in the data server, a computation unit calculates the necessary combination and the feed speed of each of scraps 13, sponge titanium, and additive so as to satisfy the target ingot 11 chemical composition and manufacturing speed. A signal corresponding to the result of calculating the combination and feed speed is sent from the computation unit to a feed speed controller of a feeder for each of the scraps 13, sponge titanium, and the additive, and feeding is started. In the stage after the start of ingot 11 manufacturing, a detector for detecting the drawn portion of ingots 11 reads the actual ingot 11 manufacturing speed, and the computation unit controls the feed speed of the scraps, sponge titanium, and the additive on the basis of the actual manufacturing speed.