Magnetic drum separator

Details Magnetic drum separator Magnetic drum separator

1985-06-06

1987-09-15

Hart, Charles

Classifying, separating, and assorting solids

Magnetic

Paramagnetic

209226, 210222, 324263, 335306, B01D 2500

Patent

active

046938125

ABSTRACT:
A magnetic materials separator including an axially inclined drum disposed for axial rotation within the curvature of an arcuate magnet structure which extends axially of the drum and is disposed in close-spaced relationship with the outer surface of the drum. The magnet structure comprises an axially extending series of arcuate magnet yokes, each comprising an axially laminated array of arcuate magnet sub-assemblies which are alternately polarized in opposite axial directions. Each of the sub-assemblies comprises an arcuate magnet axially polarized and sandwiched between a arcuate pair of soft magnetic flux concentrators which have respective axial thicknesses between five and twenty percent of one-half the axial thickness of the sandwiched magnet.

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patent: 2992736 (1961-07-01), Buus et al.
patent: 3087616 (1963-04-01), Pierson
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patent: 3292126 (1966-12-01), Palm
patent: 3418613 (1967-12-01), Trikilis
patent: 3926792 (1975-12-01), Buford
patent: 4046679 (1977-09-01), Schloemann
patent: 4194968 (1980-03-01), Pfalzer et al.
patent: 4248707 (1981-02-01), Granger

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