Magnetic separator
US3984309A · kind A · utility
Inventors
Key dates
| Filing date | Sep 27, 1974 |
| Grant date | Oct 5, 1976 |
| Priority date | — |
| Expiry date | Sep 27, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C1/035
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A continuous flow magnetic particle separator and accompanying classification method is disclosed for ferromagnetic and paramagnetic particles. A magnetic field is generated, preferably by a coil or solenoid mounted interiorly of a cylindrically configured ferromagnetic conductor. The classification volume is located in a typically toroidal volume interior of the magnetic field. The field is typically confined by a ferromagnetic conductor where it passes externally of the classification or toroidal volume. The toroidal volume is positioned so that lines of magnetic intensity from the field extend transversely to toroidal volume at the flow from input to collectors. The classification volume has a large gap in the vicinity of the input and tapers to a smaller gap in the vicinity of the concentrate (or magnetic particle) and tailings (or non-magnetic particle) collectors. The concentrate collectors are immediately adjacent to both walls of the toroidal classification volume. The tailings collector is between the concentrate collectors. Where a ferromagnetic conductor is conformed to the classifying volume walls, concentration of a three-dimensional magnetic field results. As a result…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.