Method of and apparatus for electrodynamic separation of nonmagn

Details Method of and apparatus for electrodynamic separation of nonmagn Method of and apparatus for electrodynamic separation of nonmagn

1979-02-02

1980-12-09

Hill, Ralph J.

Classifying, separating, and assorting solids

Magnetic

198381, 209636, B03C 126

Patent

active

042383234

ABSTRACT:
Electrodynamic separation of nonmagnetic free-flowing materials is accomplished by feeding the flow of a material into a region of maximum intensity of a variable nonuniform magnetic field for inducing maximum eddy currents in electrically conducting particles of the material being separated and producing maximum electromagnetic forces which deflect the electrically conducting particles from the direction of feed of the material being separated.
The variable nonuniform magnetic field is generated by an electromagnet having a closed magnetic core with a magnetic air gap defined by pole pieces. The electromagnet pole pieces are symmetrically divergent from the pole axes in a plane substantially perpendicular to the direction of feed of the material being separated.

REFERENCES:
patent: 731038 (1903-06-01), Gates
patent: 1317992 (1919-10-01), Sekinger
patent: 3608718 (1971-09-01), Aubrey et al.
patent: 3645377 (1972-02-01), Zheigur et al.
patent: 3651439 (1972-03-01), Ioffe et al.

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