Horizontal Fluidized Bed Jet Mill

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Lithium Battery Material Fluidized Bed Jet Mill

The fluidized bed jet mill is used to grind and refine raw materials used in the production of lithium-ion batteries. These materials include lithium cobalt oxide, lithium manganese oxide, lithium iron phosphate, and graphite. The milling process is critical in the production of these materials as it determines the particle size, shape, and distribution, which affect the performance and efficiency of the final product.

The fluidized bed jet mill offers several advantages over other milling techniques. Firstly, it is highly efficient, with a high grinding rate and low energy consumption. Secondly, it produces particles with a narrow size distribution, which is critical in the production of lithium-ion batteries. Thirdly, it operates at a low temperature, which prevents the degradation of the materials and ensures the retention of their original properties.

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    Working Principle of Horizontal Fluidized Bed Jet Mill

    MQW jet mill is a Fluidised Bed Opposed Jet Mill, with built-in horizontal classifying wheels (single wheel or multiple wheels). After the compressed air is filtered and dried, it is sprayed into the grinding chamber through the Laval nozzle at high speed. At the intersection of multiple high-pressure airflows, the materials are repeatedly collided, rubbed, and sheared to be crushed. The ground materials rise with the suction force of the fan. The airflow moves to the classifying area, under the strong centrifugal force generated by the high-speed rotating classifying turbine, the coarse and fine materials are separated, the fine particles that meet the particle size requirements enter the cyclone separator and dust collector through the classifying wheel, and the coarse particles descend to the grinding area to continue grinding.

    Technical Advantages of Horizontal Fluidized Bed Jet Mill

    • The grinding process is completed by the collision of the material itself, completely self-grinding, with minimal wear on the equipment, suitable forgrinding of various hardness materials.
    • The grinding form of fluidized bed collision can better maintain the shape of particles.
    • Low temperature and medium-free grinding, suitable for heat-sensitive, low-melting, sugar-containing, and volatile materials.
    • High-temperature and high-pressure grinding to achieve higher injection speed, lower dynamic viscosity, and highergrinding fineness and  efficiency.
    • Inner, classifying wheels, nozzles and other key components can be protected by wear-resistant materials such as alumina, zirconia, and silicon carbide, and organic materials to avoid contact with metal during the entire grinding process and obtain high-purity products.
    • The grading wheel is installed horizontally, which can better control the fineness of products with low density and produce finer products.
    • Inert gas closed-circuit cycle/explosion-proof design, which can meet the grinding of flammable, explosive, easy to oxidize, and easy to absorb moisture materials.

    Grinding Material

    Aluminum Hydroxide
    Cellulose and celluloid
    Ceramic pigments
    Chemical Salts
    Chemically derived fibers
    Dyestuff
    E-PVC
    Fertilizer
    Magnesium Hydroxide

    Synthetic Resin
    Tire Pyrolysis
    Wax
    Aluminum silicate
    Bentonite
    Catalysts
    Kaolin
    Mineral powders
    Rare earths (magnetic raw materials)

    Refractories
    Zinc oxide
    Zircon sand
    Activated Carbon
    Silica
    Metallic Compounds
    Color Mixtures
    Metallic Powders
    Quartz – Silica

    Abrasives
    Calcium Carbonate
    Kaolin
    Magnesium Hydroxide
    Pigments
    Silica
    Wax
    Zinc Oxide
    Tungsten carbide

    Technical Parameters of Horizontal Fluidized Bed Jet Mill

    parameter/ Model MQW03 MQW06 MQW010 MQW20 MQW30 MQW40 MQW60 MQW80 MQW120 MQW160 MQW240
    Feeding Size(mm) <1 <2 <2 <3 <3 <3 <3 <3 <3 <3 <3
    Production Capacity(kg/h) 0.3~10 10~150 20~300 40~600 100~900 200~1200 500~2000 800~3000 1500~6000 2000~8000 4000~12000
    Particle size(D97:μm) 3~45 3~45 3~45 3~45 3~45 3~45 3~45 3~45 3~45 3~45 3~45
    Classifier motor (kw) 2.2 3 5.5/7.5 7.5/11 11/15 15/7.5x3 7.5x3 11x3 15x3 15x4 15x6
    Air consumption(m³/min) 3 6 10 20 30 40 60 80 120 160 240
    Air pressure(Mpa) 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1 0.6~1

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