Method for preparing 5182 big flat ingot with high performance by short flow process
A large slab, high-performance technology, applied in the field of smelting and casting of new non-ferrous metal materials, can solve the problems of high melt temperature of aluminum liquid, coarse slab grains, difficulty in Na removal technology, etc., and achieve the effect of reducing power consumption
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[0030] Example 1: The weighted content of Fe and Si in the electrolytic aluminum solution and the electrolytic remelted aluminum ingot are respectively: 0.12% and 0.07%. The chemical composition of the ingredients is: Mg4.9%; Mn0.36%; Fe0.17%; Cu0.05%; Si0.03%; Cr0.04%; Ti is added online in the form of Al5Ti1B, and the addition amount is 1.5Kg / ton Left and right control, Zn0.02%; electrolytic aluminum liquid ratio 40%, 5052 first grade waste 15%, Fe, Si, Mn and Cu are added in the form of intermediate alloys, the addition amount depends on the chemical composition of the ingredients, and the balance is electrolytic remelting Aluminum ingots. Feeding sequence: first add first-level waste, then electrolytic remelted aluminum ingot, Al-Cu master alloy, Al-Mn master alloy, Al-Si (first add half) and Al-Fe (first add half) master alloy, electrolysis Liquid aluminum; the remaining part of the master alloy is added after chemical online analysis in front of the furnace in the refini...
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[0040] Example 2: The weighted content of Fe and Si in the electrolytic aluminum solution and the electrolytic remelted aluminum ingot are: 0.11% and 0.08%, respectively. The chemical composition of the ingredients is: Mg5.0%; Mn0.35%; Fe0.19%; Cu0.05%; Si0.05%; Cr0.04%; Ti is added online in the form of Al5Ti1B, and the addition amount is 1.5Kg / ton Left and right control, Zn0.02%; electrolytic aluminum liquid ratio 68%, 5052 first-class waste 8%, Fe, Si, Mn and Cu are added in the form of master alloys, the addition amount depends on the chemical composition of the ingredients, and the balance is electrolytic remelting Aluminum ingots. Feeding sequence: first add first-level waste, then electrolytic remelted aluminum ingot, Al-Cu master alloy, Al-Mn master alloy, Al-Si (first add half) and Al-Fe (first add half) master alloy, electrolysis Aluminum liquid; the remaining part of the master alloy is added after chemical online analysis in front of the furnace in the refining pr...
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[0046] Embodiment 3: The weighted content of Fe and Si in the electrolytic aluminum solution and the electrolytic remelted aluminum ingot are: 0.12% and 0.09%, respectively. The chemical composition of the ingredients is: Mg4.8%; Mn0.34%; Fe0.19%; Cu0.05%; Si0.03%; Cr0.04%; Ti is added online in the form of Al5Ti1B, and the addition amount is 1.5Kg / ton Left and right control, Zn0.02%; electrolytic aluminum liquid ratio 49.5%, 5052 first-class waste 12%, Fe, Si, Mn and Cu are added in the form of intermediate alloys, the addition amount depends on the chemical composition of the ingredients, and the balance is electrolytic remelting Aluminum ingots. Feeding sequence: first add first-level waste, then electrolytic remelted aluminum ingot, Al-Cu master alloy, Al-Mn master alloy, Al-Si (first add half) and Al-Fe (first add half) master alloy, electrolysis Aluminum liquid; the remaining part of the master alloy is added after chemical online analysis in front of the furnace in the ...
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