Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1982-03-29
1983-10-11
Hill, Ralph J.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
B03B 540
Patent
active
044090986
ABSTRACT:
A separator tank has a pressurized separating medium of a selected specific gravity introduced through one of its two end walls adjacent the top of the level of the medium, which forms the bath, in the tank. The other end wall of the tank has weir discharge openings to enable the coal, which is separated from the waste of the raw coal through floating to the top of the medium while the waste falls to the bottom of the medium, to flow therethrough with the medium to a weir chute and to maintain a selected level of the medium within the tank. The tank has a paddle wheel assembly to pick up the waste on a semi-cylindrical bottom wall of the tank and remove it therefrom. The paddle wheel assembly has a plurality of equally angularly spaced arms with each including an outer arm, which is resiliently biased to pass over obstructions, having its tip ride along the bottom wall of the tank. The tank has a first pair of baffle plates between which the raw coal is introduced and into which more than half of the medium is introduced. This pair of baffle plates has an exit smaller than the entrance to a second pair of baffle plates, which lead to one of the weir openings receiving the separated coal.
REFERENCES:
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patent: 246706 (1881-09-01), Barber et al.
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patent: 986581 (1911-03-01), Long
patent: 2825459 (1958-03-01), Schuetz
patent: 2825460 (1958-03-01), Schuetz et al.
patent: 2899058 (1959-08-01), Tromp
patent: 3019900 (1962-02-01), Lagrost
patent: 3493108 (1970-02-01), Martinez
Hill Ralph J.
Leach, Jr. Frank C.
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