Rotary blade-type apparatus for dissolving alloy elements and di

Details Rotary blade-type apparatus for dissolving alloy elements and di Rotary blade-type apparatus for dissolving alloy elements and di

1987-09-17

1989-02-07

Andrews, Melvyn J.

Metallurgical apparatus

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

By means introducing treating material

75 68R, 266235, C22B 2106

Patent

active

048026565

ABSTRACT:
The invention relates to an apparatus for dissolving alloy elements and dispersing gas in an aluminum bath comprising a vertical shaft (1) pierced along its axis by a duct (2) intended for passing the gas, connected in its upper part to a gas source and to a drive motor and comprising in its lower part which is immersed in the bath a disc (3) with the same axis as the shaft. It is characterized in that the disc is provided with blades (4) which extend along the generatrices of a right prism of parallelogrammatic section, have a rounded end, are inclined with respect to the horizontal at an angle of at most 45 degrees, have their faces between the two planes containing the upper and lower faces of the disc and are provided with axial orifices (7) connected to the duct (2) by a tubular passage (3). The apparatus permits the rapid production of alloys with a low proportion of alkaline elements therein, in particular in a transportation ladle.

REFERENCES:
patent: 1579355 (1926-04-01), Greenawalt
patent: 1583591 (1926-05-01), Greenawalt
patent: 2609189 (1952-09-01), Dering
patent: 3227547 (1966-01-01), Szekely
patent: 4283357 (1981-08-01), Sidery

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