Flotation device

Details Flotation device Flotation device

2008-07-29

2008-07-29

Kastler, Scott (Department: 1742)

Metallurgical apparatus

Means for treating ores or for extracting metals

By means precipitating metal from solution

C266S169000

Reexamination Certificate

active

07404924

ABSTRACT:
A flotation device for mixing and aerating an ore-containing slurry, comprising a tank having a conical-shaped floor. A vertically positioned flotation assembly is located within the tank. The open bottom of the flotation assembly is shaped is positioned above the conical portion of the floor. The assembly has a middle section having a cage with spaced, vertical bars forming its outer circumference. A rotatable impeller is located within the middle section which draws slurry from the tank through the bottom section and into the middle section and thereafter through the cage and out of assembly. The impeller is attached to a rotatable shaft which is connected at its bottom portion to the upper side of the back plate to rotate the impeller in a plane normal to the shaft. A hollow, vertically situated tubular shaped upper section is located directly above the middle section through which the shaft passes. The upper section has an opening at its lower end which is blocked by the back plate of the impeller.

REFERENCES:
patent: 2875897 (1959-03-01), Booth
patent: 5591327 (1997-01-01), Walters
patent: 6095336 (2000-08-01), Redden et al.
patent: 6308834 (2001-10-01), Peaker et al.

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