Flotation mechanism and cell

Details Flotation mechanism and cell Flotation mechanism and cell

2006-01-31

2006-01-31

Lithgow, Thomas M. (Department: 1724)

Classifying, separating, and assorting solids

Fluid suspension

Liquid

C209S168000

Reexamination Certificate

active

06991111

ABSTRACT:
The present invention relates to a froth flotation mechanism located in a flotation cell, comprising a directional element suspended from the lower end of a hollow shaft extending to the lower section of the cell and vertical vanes attached to said directional element, which extend above and below the directional element and horizontally beyond the directional element. The substantially horizontal circular plate of the directional element is symmetrically attached around the shaft at its centre and the outer edge of the central plate is bent downwards to form the lap of the guiding part. The gas spreading plate is located on the inner side of the lap. The flotation cell is comprised of a cylindrical lower section, a middle section located above it in the form of a truncated cone widening upwards, and a cylindrical upper section attached to the top of it.

REFERENCES:
patent: 2733809 (1956-02-01), Wrege et al.
patent: 3343674 (1967-09-01), Zandon et al.
patent: 3491880 (1970-01-01), Reck
patent: 3843101 (1974-10-01), Green
patent: 5219467 (1993-06-01), Nyman et al.
patent: 97/06892 (1997-02-01), None
patent: WO 02/07890 (2002-01-01), None

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