MELTING METHOD OF ALUMINUM MATERIAL, AND MELTING UNIT OF ALUMINUM MATERIAL

• Main Authors: TANIGUCHI KENICHI, YAMAGUCHI KENICHI, YOSHIDA SOU
• Format: Patent
• Language: English; Japanese
• Published: 26.01.2017
• Subjects: 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; 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; TREATMENT OF ALLOYS OR NON-FERROUS METALS

PROBLEM TO BE SOLVED: To provide a melting method of an aluminium material capable of melting surely the aluminium material, and improving greatly a metal recovery rate; and to provide a melting unit of the aluminium material.SOLUTION: A molten salt flux layer 20 comprising molten salt flux containing at least KCl, NaCl and cryolite is formed on molten aluminum 3, and an aluminium material 1 is fed on the molten salt flux layer 20, to thereby melt at least a part of the aluminium material 1, while the aluminium material 1 is settling down in the molten salt flux layer 20.SELECTED DRAWING: Figure 3 【課題】アルミニウム材を確実に溶解することができ、メタル回収率を大幅に向上することが可能なアルミニウム材の溶解方法、及び、アルミニウム材の溶解装置を提供する。【解決手段】アルミニウム溶湯３の上に、少なくともＫＣｌ及びＮａＣｌと氷晶石とを含有する溶融塩フラックスからなる溶融塩フラックス層２０を形成し、アルミニウム材１を溶融塩フラックス層２０の上に投入し、アルミニウム材１が溶融塩フラックス層２０内を沈降している間に、アルミニウム材１の少なくとも一部を溶融することを特徴とする。【選択図】図３