Magnetic separator

Details Magnetic separator Magnetic separator

1977-06-06

1978-09-19

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

209222, 209229, 210223, 210408, B01D 3506

Patent

active

041152620

ABSTRACT:
Suspended contaminated particles are removed by magnetic separation from a liquid containing ferromagnetic particulate material to which the particles adhere. A plurality of radially extending filter discs are provided on a horizontally disposed rotatable shaft for rotation therewith, the liquid being directed toward the discs and through gaps provided therebetween. Permanent magnets are provided on the discs for producing local magnetic field gradients in the gaps, and the discs have non-magnetic portions outwardly of the magnets along the periphery of the discs. The particulate material is scraped from the discs which adhere thereto when the liquid passes the gaps, and the scraped material is moved outwardly of the discs. After scraping, jets of a fluid are directed toward the inner portion of the discs for impacting the non-magnetic portions with the fluid so that the liquid from which the particles have been separated, when subsequently directed outwardly of the discs, does not contain any particulate material scraped from the discs.

REFERENCES:
patent: 3471026 (1969-10-01), Riker
patent: 3959145 (1976-05-01), Lundquist et al.
patent: 3985656 (1976-10-01), Arvanitakis

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