Classifying – separating – and assorting solids – Plural – diverse separating operations – Including electrostatic
Patent
1980-01-14
1981-06-23
Cuchlinski, Jr., William A.
Classifying, separating, and assorting solids
Plural, diverse separating operations
Including electrostatic
209131, 209474, B03C 704
Patent
active
042749476
ABSTRACT:
A multi-constituent mixture of particles is fluidized within an elongated container with a gas permeable base. Opposing horizontal motions are induced in the upper and lower strata of the fluidized material by means of moving baffles mounted on endless chains within the confines of the container. A potential difference established between a horizontal electrode located in the upper part of the container above most of the bed surface, and the base of the bed induces electrostatic forces on the tribo-electrified particles, thereby affecting the distribution of the vertical composition of the mixture in the bed.
The combination of the opposing horizontal motions and vertical segregation results in a horizontal concentration gradient. The particles thus separated are removed from the ends of the bed by, for example, flowing over weirs.
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patent: 2116613 (1938-05-01), Bedford
patent: 2310894 (1943-02-01), Brusset
patent: 3401795 (1968-09-01), Tauveron
patent: 3402814 (1968-09-01), Morel et al.
patent: 3407930 (1968-10-01), Morel et al.
patent: 4194971 (1980-03-01), Beeckmans
Beeckmans Jan M.
Inculet Ion I.
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