Dispersing gas into molten metal

Details Dispersing gas into molten metal Dispersing gas into molten metal

1988-07-22

1990-02-06

Rosenberg, Peter D.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

75 593, 75 61, 75 68R, 75 93R, C21C 700

Patent

active

048983675

ABSTRACT:
Gas is dispersed into molten metal by immersing a shaft-supported impeller into the molten metal and by pumping gas through the shaft and out of the impeller. The impeller is in the form of a rectangular prism having sharp-edged corners that shear the gaas into finely divided bubbles. The particular shape of the impeller provides an especially effective bubble-shearing and bubble-dispersing action.

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patent: 4717540 (1988-01-01), McRae

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