Permanent magnet high intensity separator

Details Permanent magnet high intensity separator Permanent magnet high intensity separator

1975-03-14

1976-03-30

Lutter, Frank W.

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

209223A, 209225, B03C 114

Patent

active

039473490

ABSTRACT:
A magnetic separator in which the substance to be treated is passed in a first direction through a body of foraminous, magnetically susceptible material of significant extent, while traversing in a second direction a magnetic field extending in a third direction, the directions being substantially orthogonal. Vibration is applied to the body, preferably axial and preferably linear. The field opposes the passage of magnetic particles through the body while the vibrator promotes the passage of non-magnetic particles, so that they emerge from the body at different locations for separate collection. The body is conveniently a hollow cylinder built up of sections of magnetic stainless steel screening folded and shaped, and the movement of the body is preferably rotation, the substance being applied to an outer cylindrical surface of the body and emerging from an inner, concentric cylindrical surface. A structure comprising a plurality of such hollow cylinders spaced axially along a hollow drum is shown, with means for feeding the substance individually to the several cylinders: the cylinders pass between fixed magnets during a portion of their rotation.

REFERENCES:
patent: 2062545 (1936-12-01), Weis
patent: 2074085 (1937-03-01), Frantz
patent: 3375925 (1968-04-01), Carpenter
patent: 3690454 (1972-09-01), Bekhtle

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