Ladle and impeller rotation for fluxing molten metal

Details Ladle and impeller rotation for fluxing molten metal Ladle and impeller rotation for fluxing molten metal

1996-07-17

1998-02-17

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75680, 75681, 75708, C22B 902, C22B 2106

Patent

active

057187428

ABSTRACT:
An improved method for processing a body of molten metal using an impeller and a rotatable container, the method including increasing shear forces in the body of molten aluminum and reducing vortex formation, the method comprising the steps of providing a body of molten metal in a container and projecting an impeller on a shaft into the body. The impeller is rotated in one direction and the container and the body of molten metal is rotated counter or in a direction opposite of rotating the impeller, the container and the impeller being rotated at a rate which minimizes vortex formation and which maximizes shear forces in the body for purposes of improved processing.

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