Classifying – separating – and assorting solids – Magnetic – Paramagnetic
Patent
1979-02-05
1981-06-09
Halper, Robert
Classifying, separating, and assorting solids
Magnetic
Paramagnetic
335299, B03C 114
Patent
active
042723655
ABSTRACT:
A magnetic separator, in particular a drum separator, includes a magnetic system having a plurality of magnets. Each of the magnets produces an open field directed toward a separation zone which, in a drum separator, extends axially of the drum outside of the surface of the drum. The magnets may include conductive coils, preferably superconducting coils, which are traversed in the same direction by current and which include an iron-free core. The average center-to-center spacing of the coils is a maximum of 25 times the spacing between the coils and the separating zone and is preferably in the range of 15:1 to 10:1. The coils are elliptical and have major and minor axes which decrease from the outermost coil winding to the innermost coil winding, with the distances between the windings being greater along the major axes than along the minor axes.
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Duren Gottfried
Foerster Siegfried
Graf Franz
Juengst Klaus-Peter
Lehmann Wolfgang
Halper Robert
Klockner-Humboldt-Deutz AG
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