Classifying – separating – and assorting solids – Sifting – With liquid treatment
Patent
1977-01-25
1979-12-11
Wolk, Morris O.
Classifying, separating, and assorting solids
Sifting
With liquid treatment
209284, 209288, 209293, 209299, B07B 118, B07B 124
Patent
active
041782380
ABSTRACT:
Apparatus for use with extremely low-grade aggregate ore, for deriving a concentrate comprised of metal-bearing ore particles having densities within a predetermined range. The apparatus is in the form of a mobile, self-sustained system including a vehicle trailer for horizontal transport and elevated operational support, plus an integral power system capable of supplying the total energy requirements of the apparatus. Two types of particle size separation are applied, followed by compaction and particle density separation. Two density separation areas are provided to effect both coarse and fine gravitational shaving actions, and dual adjustment controls are also provided to vary the shaving force intensity to derive the concentrate independently of changes in the particular characteristics of the aggregate being processed. The apparatus includes outer and inner cylindrical chambers concentrically mounted on the trailer so as to be tiltable and rotatable. The peripheral side wall of the inner chamber is perforated to permit particles of aggregate ore introduced therein to pass to the outer chamber. A ribbed helical member disposed around the inner surface of the outer chamber urges these particles toward one end of the chamber as the two containers are rotated. Liquid flowing over the rib member, toward the opposite end of the outer chamber, creates a turbulence which provides the gravitational shaving force and effects particle density separation. The force of this turbulence is adjustable by varying either or both the volumetric flow rate of the liquid and the tilt of the two chambers.
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Garris Bradley
King A William
Wolk Morris O.
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