Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1991-12-13
1993-12-07
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75687, 266235, 266901, C22B 916
Patent
active
052680207
ABSTRACT:
The invention is directed to a method and a system that provides for a dual action fluid media circulating and fluid media charge entraining apparatus for use in a chamber having fluid media at a predetermined level into which fluid media a charge to be entrained and mixed is delivered. The apparatus of the system includes a rotary pumping impeller positioned in the chamber near a topmost region of an inlet passage in a wall of the chamber. The fluid media enters the chamber through the inlet passage. The rotary pumping impeller is provided with an inlet opening that draws fluid media vertically upward, to and through the rotary pumping impeller inlet opening to be delivered radially outward as the rotary pumping impeller rotates upon activation.
The dual action apparatus further includes a vortex generating impeller which provided with an inlet opening. The vortex generating impeller is positioned in the fluid media in the chamber between the fluid inlet passage and an outlet passage in the wall. Upon activation of the vortex generating impeller there is generated a vortex in the fluid media. The vortex functions to entrain a charge deposited in the vortex and then to deliver the entrained charge and the fluid media vertically downward into and through the inlet opening of the vortex generating impeller and then radially outward therefrom.
The rotary pumping impeller and the vortex generating impeller cooperate to cause the fluid media and the charge entrained in the fluid media to flow through the chamber from said inlet passage and out the outlet passage for use elsewhere.
REFERENCES:
patent: 4486228 (1984-12-01), Ormesher
patent: 4491474 (1985-01-01), Ormesher
patent: 4598899 (1986-07-01), Cooper
patent: 4884786 (1989-12-01), Gillespie
patent: 4893941 (1990-01-01), Wayte
patent: 4907784 (1990-03-01), Kusaka et al.
Andrews Melvyn J.
Williamson Harold A.
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