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Magnetic Separation Drum Method

Magnetic separation takes advantage of the fact that magnetite is strongly magnetic (ferromagnetic), hematite is weakly magnetic (paramagnetic), and most gangue minerals are not magnetic (diamagnetic). A simple magnetic separation circuit can be seen in Figure 1.2.5 [9].A slurry passes by a magnetized drum; the magnetic material sticks to the drum, while the nonmagnetic slurry keeps

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  • US5092986A - Magnetic separator - Google Patents

    US5092986A - Magnetic separator - Google Patents

    A magnetic separator is provided in which a conveyor belt is conducted over a belt drum to transport relatively electrically conductive particles. A magnetic system consisting of permanent magnets or electromagnets is rotated at a high speed at an eccentric location within the belt drum so that an air gap between the outer surface of the magnet system and the inner surface of the belt drum is

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  • A discussion of magnetic separation techniques for

    A discussion of magnetic separation techniques for

    Magnetic separation has long been used to upgrade and beneficiate a wide variety of industrial ... Dry magnetic separators, including both drum and roll types, generally offer far more precise separations than wet ... accomplished with dry separation methods

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  • Evaluation of Magnetic Separation Efficiency on a

    Evaluation of Magnetic Separation Efficiency on a

    Figure 2. Rotating drum type magnetic separator (1 feeder; 2 drum; 3 permanent magnet and 4 splitter). The drum operated at a rotational speed of approx. 33 revolutions per minute (rpm) and the diameter of the drum was approx. 600 mm. The magnetic field of this specific magnetic separator was described in detail by Madai et al. (1998) [27]

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  • Magnetic Separators - 911Metallurgist

    Magnetic Separators - 911Metallurgist

    For many years, wet magnetic drum separator magnet rating has been on the basis of a specified gauss reading at 2″ from the drum face. The gauss reading is an average of readings taken at the centerline of each pole and the center of the magnet gap measured 2 inches from the drum surface

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  • Rotating Drum Magnets - Magnetic Separators/Magnetic

    Rotating Drum Magnets - Magnetic Separators/Magnetic

    Rotating Drum Magnets provide good separation in applications where there is a high concentration of metal contamination or terminating the product flow for cleaning of the magnet is not feasible. Rotating Drum Magnets are designed for continuous self-cleaning of

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  • MAGNETIC SEPARATORS

    MAGNETIC SEPARATORS

    A magnetic drum is installed at the exit of a vibrator feeder. A magnetic drum is installed on the discharge side of a conveyor. A magnetic drum is installed at the raw material exit. Magnet Drum To automatically remove iron pieces, bolts and nuts on a conveyor, a suspended magnetic separator is installed to attract and remove iron pieces

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  • MECHANICAL SEPARATION TECHNIQUES

    MECHANICAL SEPARATION TECHNIQUES

    SEPARATION DRY METHODS Screening Magnetic Electrostatic Air classifier Ballistic separator Inertial Separator WET METHODS Sink and float method-Dense media separation ... Magnetic drum operating as pulley • Drums of 0.3 to 0.6 m diameter and 0.3 to 1.5 m width. • May be wet or dry 16. Wet drum separator 17. Wet drum

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  • PART 3: Different Methods of Sorting & Preparing Waste

    PART 3: Different Methods of Sorting & Preparing Waste

    Oct 22, 2020 The image demonstrates a separation of non-ferrous metals from inert materials in an eddy current separator. Eddy current separators, or non-ferrous separators, use the current induced in little swirls (“eddies”) on a large conductor and separate non-magnetic metals

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  • Application of magnetic separation to steelmaking slags

    Application of magnetic separation to steelmaking slags

    A drum magnetic separator system with pre-engineered crucial processing parameters of drum revolution speed, drum radius, drum flesh thickness, and magnitude of the magnetic field applied is utilized, as these parameters have a competing influence on the results

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  • ADVANCES IN MAGNETIC SEPARATION OF ORES

    ADVANCES IN MAGNETIC SEPARATION OF ORES

    magnetic separation features will be described. Dry Magnetic Separation of Nepheline Syenite: The first equipment used in magnetic separation of nepheline syenite is a low-intensity, large-diameter drum separator to remove highly magnetic minerals -primarily magnetite or

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  • US9375727B2 - Drum for magnetic separator and relevant

    US9375727B2 - Drum for magnetic separator and relevant

    In a drum for magnetic separator comprising a cylinder (C) of ferromagnetic material on the outside of which there are formed a plurality of longitudinal grooves ( 6 ) housing permanent magnets ( 7 ) arranged in longitudinal rows along a magnetic arc of 130 -160 with alternate N-S polarity, the cylinder (C) being located within a shell (M) of nonmagnetic material, the length (D) of the

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  • Magnetic Separation | Multotec

    Magnetic Separation | Multotec

    Magnetic Separation. Multotec supplies a complete range of magnetic separation equipment for separating ferromagnetic and paramagnetic particles from dry solids or slurries, or for removing tramp metal. Multotec Dry and Wet Drum Separators, WHIMS, Demagnetising Coils and Overbelt Magnets are used in mineral processing plants across the world

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  • MAGNETIC DRUM SEPARATOR magnetic separation

    MAGNETIC DRUM SEPARATOR magnetic separation

    Sep 12, 2019 The magnetic drum assembly is contained in a dustproof housing with an opening at the bottom for the discharge of both magnetic and non-magnetic products. These products are separated by means of a splitter placed under the drum inside of the housing

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  • Magnetic drum separator technical and maintenance

    Magnetic drum separator technical and maintenance

    The typical radial magnetic induction values for current drum separators are of the order of 0.1 - 0.15 Tesla (1000 - 1500 Gauss) at the drum surface. Dry low intensity magnetic separation is mainly applied to strongly magnetic coarse sands, typically 5 - 8mm material economic feed rates of 150 tph per metre of length can be obtained

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  • Drum Separator - an overview | ScienceDirect Topics

    Drum Separator - an overview | ScienceDirect Topics

    Separation in a drum separator occurs by the “pick-up“ principle, wherein magnetic particles are lifted by the magnets and pinned to the drum and are conveyed out of the field, leaving the nonmagnetics (usually the gangue) in the tailings compartment. Water is introduced to provide flow, which keeps the pulp in suspension

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