Liquid purification or separation – Bracket or leg support for static separator assembly
Patent
1994-07-08
1999-01-12
Drodge, Joseph W.
Liquid purification or separation
Bracket or leg support for static separator assembly
55471, 210408, 210415, 2105123, B01D 2962
Patent
active
058582282
ABSTRACT:
A filter for suspensions with an impeller generating controlled turbulence for suspended solids, comprising an inclinable filter body 1 which shelters a filtrating element consisting of a filtrating sleeve (10) and an impeller (11) working together. The sleeve (10) is mounted on filter body (1) by means of supports (12) and it shelters a part of the impeller (11), comprising an axle (13) which is subject to a motor assembly (14), located outside body (1) and around which are mounted radial blades defining two phases: an inlet phase (15) and a processing phase (16), the latter being lodged inside the sleeve (10) and a washing device (31) for the sleeve (10). The inlet phase (15) comprises blades (20) in the form of a short pace propeller to give axial impulse, and no radial impulse, to the liquid to be filtrated. The processing phase (16) comprises blades in the form of a long pace propeller (21) to give impulse of great radial intensity, and small axial intensity, to the liquid. The blades (21) of the processing phase (16) provide a convex dragging surface (22) for the liquid and give impulse to the material to be filtrated, which is the result of tangential components to the convex surface. The system of forces on the liquid to be filtrated, coming from blades (21) in the form of a long pace propeller and from the convex dragging surface (22) of the processing phase (16) of the impeller (11) make the liquid move according to a vortex along the whole extent of sleeve (10), which is widened in the direction of the inlet ends towards the outlet end, providing a self-cleaning washing effect to sleeve (10).
REFERENCES:
patent: 2181404 (1939-11-01), Koppitz et al.
patent: 3235087 (1966-02-01), Andrews et al.
patent: 4997578 (1991-03-01), Berggren
patent: 5009795 (1991-04-01), Eichler
patent: 5133860 (1992-07-01), Tai
Drodge Joseph W.
Dubno Herbert
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