Classifying – separating – and assorting solids – Stratifiers – With liquid treatment
Patent
1988-05-02
1989-05-02
Cherry, Johnny D.
Classifying, separating, and assorting solids
Stratifiers
With liquid treatment
209430, 209506, 209498, B03B 508
Patent
active
048260185
ABSTRACT:
A mineral slurry processing machine for recovering gold from raw fines. An elongated, rigid skid supports a frame plate coupled thereto by vibration transmitting bearings. An inclined processing ramp is adjustably mounted to the plate. An endless belt entrained over the ramp for continual rotation is equipped with a specially grooved working surface which helps separate gold from the slurry. A plurality of similar, regularly spaced apart grooves are cut into the exposed working surface of the belt, and the angulated configuration of the grooves facilitates particle separation and recovery. The belt is divided into a fine receiving region and an adjacent gold conveying region. Each groove includes a first segment which is "angled" with respect to the direction of travel of the belt, and a second segment which is substantially perpendicular to the direction of travel of the belt. Separate fine receiving and gold conveying regions thus exist. An elongated divider plate disposed above the belt isolates the separate fine receiving and gold conveying regions. The ramp receives preclassified fines which are dropped upon the continually moving belt through a distributor plate. Desired gold particles are collected on the belt within the grooves. A slurry output of unwanted barren waste results at the lower end of the ramp. The concentrated gold bearing fine is conveyed to the upper portion of the ramp, where it is extracted from the belt and accumulated in a suitable hopper. During operation the ramp is vigorously shaken by an associated vibrator system. The concentrated slurry produced by the machine is economically suitable for purification by conventional laboratory techniques.
REFERENCES:
patent: 932691 (1909-08-01), Evans et al.
patent: 1030427 (1912-06-01), Pinder
patent: 1116092 (1914-11-01), McIntire
patent: 2047773 (1936-07-01), Greene et al.
patent: 4352733 (1982-10-01), Hibbard
Carver Stephen D.
Cherry Johnny D.
Hoge Gary C.
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