Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By means introducing treating material
Patent
1999-06-17
2000-05-30
Kastler, Scott
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By means introducing treating material
266233, 266900, 266901, 222603, C21C 700, B67D 500
Patent
active
060688122
ABSTRACT:
An inert gas bubble-actuated molten metal pump, for the movement of molten metal in a molten-metal bath, which obviates the necessity of a heatproof and flameproof cover to counteract splashing and spattering at the surface of the molten metal bath above the pump, comprising an inert gas diffusion means at an upper end thereof, the diffusion means having an upper surface containing a multiplicity of small upwardly-opening apertures for the breaking up of large bubbles and the diffusion of small bubbles of inert gas upwardly therethrough. The pump includes a refractory block which comprises a conveying conduit which is preferably elongated in width and a spreader cavity in communication with both a passageway in the block for providing a source of inert gas and a lower end of the conveying conduit.
REFERENCES:
patent: 5203910 (1993-04-01), Areaux et al.
patent: 5395094 (1995-03-01), Areaux
patent: 5650120 (1997-07-01), Morando
patent: 5735935 (1998-04-01), Areaux
patent: 5984999 (1999-11-01), Areaux
Areaux Larry D.
Corio Peter J.
Scowden Anthony D.
Kastler Scott
Premelt Pump, Inc.
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