Method for preparing intermediate alloy by extracting elemental aluminum in aluminum ash through vacuum furnace

• Main Authors: WANG XIAOHU, CHENG JIUYUAN, LI LE, ZHANG HONGQIANG, ZHOU YAOBANG, LI FENGKE, WANG SHENGNING, WEI ZHENPENG, ZHANG KAIBAO, LIU WEISHANG, LI YANBO
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• Subjects: ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention discloses a method for preparing an Al-series intermediate alloy by extracting elemental aluminum in aluminum ash through a vacuum furnace, and the method comprises the steps of extraction of elemental aluminum in aluminum ash, refining of molten aluminum, alloying of the molten aluminum and ingot detection.According to the method, high-quality Al-Fe-series alloy, Al-Si-series alloy and Al-Mn-series alloy are provided for aluminum alloy foil production; according to the aluminum alloy intermediate alloy, the absorption rate of alloy elements is increased when the intermediate alloy is used, the problems of segregation of the alloy elements, inclusion generation and the like are solved, various defects of the aluminum alloy foil can be greatly reduced, and the yield and performance of the aluminum alloy intermediate alloy are improved. Energy consumption and secondary burning loss of molten aluminum in the aluminum melting process of a conventional preparation technology are avoided, the comprehe