Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1981-03-06
1984-09-11
Hill, Ralph J.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
2102212, B03D 114
Patent
active
044709030
ABSTRACT:
Flotation apparatus for flocculated solid material has a flotation tank alongside a passage for upward flow of liquid carrying the solid material. A wall of the passage on the side towards the tank has a top portion curved over to its free edge to provide a submerged weir over which the liquid passes from the passage into the tank. To prevent turbulence in the liquid on passing over the weir and to prevent a preferential flow path in the flotation tank, the tank itself has, on its side towards the upward flow passage, a side wall which is generally spaced from the side wall of the passage but joins the latter wall away from the said free edge. The tank side wall slopes downwardly away from the passage from a point located inwardly of the tank with respect to the free edge.
REFERENCES:
patent: 2330589 (1943-09-01), Juell
patent: 3286844 (1966-11-01), Juell
patent: 3769207 (1973-10-01), Baer
patent: 4230561 (1980-10-01), McMurray
Esmil BV
Hill Ralph J.
Lewis Jon M.
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