Aluminum alloy refining sodium removal method
An aluminum alloy, sodium removal technology, applied in the field of aluminum alloy refining, can solve the problems of poor sodium removal effect, high refining cost, time-consuming and laborious, etc.
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Embodiment 1
[0024] S1: The ADC12 aluminum alloy with a weight of one ton is put into a furnace for heating. When the temperature rises to 600°C, the aluminum alloy starts to melt, and a melt is obtained after the aluminum alloy is completely melted.
[0025] S2: Continue to heat the furnace with the furnace door open, raise the temperature of the melt in the furnace to 710°C, and keep the temperature stable for 10 minutes to fully react the sodium element in the melt. Compared with other metal elements, sodium element is more active and easy to oxidize. When the melt in the furnace is burned and heated, sodium contacts with oxygen in the air to generate oxidation scum, which can reduce part of the sodium element in the aluminum alloy.
[0026] S2': Add 10kg of ammonium acrylate and 0.8kg of ammonium phosphate as a strengthening agent to the melt, and fully stir the melt to make the sodium element in the melt fully contact with ammonium acrylate. Under the condition of ammonium phosphate a...
Embodiment 2
[0032] S1: The ADC12 aluminum alloy with a weight of one ton is put into a furnace for heating. When the temperature rises to 600°C, the aluminum alloy starts to melt, and a melt is obtained after the aluminum alloy is completely melted.
[0033] S2: Continue to heat the furnace with the furnace door open, raise the temperature of the melt in the furnace to 720°C, and control the temperature to be stable for 10 minutes to fully react the sodium element in the melt. Compared with other metal elements, sodium element is more active and easy to oxidize. When the melt in the furnace is burned and heated, sodium contacts with oxygen in the air to generate oxidation scum, which can reduce part of the sodium element in the aluminum alloy.
[0034] S2': Add 8kg of ammonium acrylate and 0.5kg of ammonium phosphate as a strengthening agent to the melt, and stir the melt fully to make the sodium element in the melt fully contact with ammonium acrylate. Under the condition of ammonium pho...
Embodiment 3
[0041] S1: The ADC12 aluminum alloy with a weight of one ton is put into a furnace for heating. When the temperature rises to 600°C, the aluminum alloy starts to melt, and a melt is obtained after the aluminum alloy is completely melted.
[0042] S2: Continue to heat the furnace with the furnace door open, raise the temperature of the melt in the furnace to 725°C, and keep the temperature stable for 8 minutes to fully react the sodium element in the melt. Compared with other metal elements, sodium element is more active and easy to oxidize. When the melt in the furnace is burned and heated, sodium contacts with oxygen in the air to generate oxidation scum, which can reduce part of the sodium element in the aluminum alloy.
[0043] S2': Add 10kg of ammonium acrylate and 0.5kg of ammonium phosphate as a strengthening agent to the melt, and fully stir the melt to make the sodium element in the melt fully contact with ammonium acrylate. Under the condition of ammonium phosphate as...
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