Controlled addition of lithium to molten aluminum

Details Controlled addition of lithium to molten aluminum Controlled addition of lithium to molten aluminum

C - Chemistry, Metallurgy

22

B

22/183, 53/246

C22B 21/06 (2006.01) B22D 39/02 (2006.01) C22C 1/02 (2006.01)

Patent

CA 1323201

CONTROLLED ADDITION OF LITHIUM TO MOLTEN ALUMINUM ABSTRACT OF THE DISCLOSURE Lithium feed to an aluminum-lithium alloy production system is achieved at a highly controlled rate by advancing a plunger at a predetermined volu- metric rate into a body of molten lithium retained in a holding vessel to displace the lithium toward an over- flow port through which it is fed into a mixing vessel where it is combined with molten aluminum. Control of the aluminum feed rate is achieved by maintaining a constant head height upstream of an orifice. The thus metered streams of molten lithium and aluminum are then combined in a vortex bowl, whose outlet is then fed to a casting station. K3/00751-20

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