Trough shear diffusor apparatus for fluxing molten metal and met

Details Trough shear diffusor apparatus for fluxing molten metal and met Trough shear diffusor apparatus for fluxing molten metal and met

1986-12-08

1987-12-22

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 591, 75 68R, 75 93R, 266220, C21C 700

Patent

active

047144947

ABSTRACT:
A system for purification of molten metal to remove impurities such hydrogen gas and alkali elements therefrom is disclosed which comprises passing the molten metal through an enclosed passageway at a velocity of at least about 0.1 cm/sec and introducing a sparging gas into the passageway whereby the velocity of the molten metal will shear off bubbles of the sparging gas as they are formed resulting in smaller bubbles with larger gas/molten metal interface area to achieve maximum contact between the sparging gas and the molten metal to enhance removal of impurities from the molten metal.

REFERENCES:
patent: 2826489 (1958-03-01), Wagner
patent: 3227547 (1966-01-01), Szekely
patent: 3743263 (1973-07-01), Szekely
patent: 3839019 (1974-10-01), Bruno et al.

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