FIELD: metallurgy.
SUBSTANCE: procedure consists in introducing calculated amount of crystal silicon into aluminium melt in electrolyser through prepared "windows" in crust of electrolysis bath. Crystallised silicon is introduced in form of fine and dust-like fractions of up to 20 mm dimension placed into iron containers for additional alloying melt with iron. As fine and dust-like fractions there are used wastes of crystallised silicon production. Containers with silicon are introduced in the zone of electrolyser at highest intensity of melt circulation.
EFFECT: raised physical-mechanical properties of aluminium melt due to complete dissolution and uniform distribution of alloying additives in melt.
4 cl, 1 tbl
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