Classifying – separating – and assorting solids – Magnetic – Paramagnetic
Patent
1981-02-20
1982-08-24
Hill, Ralph J.
Classifying, separating, and assorting solids
Magnetic
Paramagnetic
209228, B03C 106
Patent
active
043459951
ABSTRACT:
A machine to separate magnetically susceptible particles from a particulate diamagnetic gangue in a batch type process especially as in ore benefication. A frame pivotally mounts a normally horizontally oriented processing pan that tilts to allow dumping of gangue. A cradle-like spindle plate support having two perpendicularly related rectangular spindle plates is pivotably mounted on the frame above the ore pan so that each spindle plate may be pivotably moved to service one-half of the ore pan. Each spindle plate carries a plurality of spacedly arrayed, perpendicularly oriented, eccentrically rotatable magnetic spindles that may be moved to an operative position within the processing pan. Leveling mechanism is provided to level ore within the pan and vibrators are associated with the pan to agitate particulate matter therein during processing. The uppermost portion of the frame movably supports two opposed vacuum pans, one of which may be moved into coincidence with each spindle plate to remove magnetically susceptible material captured by the magnetic spindles for recovery. Preferably the external surfaces of the magnetic spindles are formed of aluminum, especially for the processing of ores of platinum group metals.
REFERENCES:
patent: 373211 (1887-11-01), Wenstrow
patent: 468599 (1892-02-01), Ferraris
patent: 487074 (1892-11-01), Lovett
patent: 2209558 (1940-07-01), Bing
patent: 2653713 (1953-09-01), Siegal
patent: 2766887 (1956-10-01), Atwood
patent: 2884137 (1958-09-01), Grunel
patent: 3395797 (1968-08-01), Haw
patent: 3834804 (1974-09-01), Bhagat
Bergman Keith S.
Hill Ralph J.
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