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High Speed Centrifugal Spray Dryer

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The high speed centrifugal spray dryer produced by our company is a kind of high efficient drying equipment
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  • The high speed centrifugal spray dryer produced by our company is a kind of high efficient drying equipment. The spray dryer can turn the emulsion, suspending liquid and pasty materials into powder after spray drying. Particularly suitable for drying heat sensitive materials, can keep the material color and taste. Automatic operation can be realized; the high speed centrifugal spray dryer is widely used in chemical industry, building materials, food industry, pharmaceutical and other industries.

    According to the physical characteristics, it can be dried by hot air or cold air. The equipment can be used in a large number of products with large differences in characteristics.

    Commonly used products include polymers and resins, fuels, carbohydrates, insecticides, egg products, microorganisms, amino acids, biopharmaceutical, surfactant, fertilizers, organic compounds, inorganic compounds, etc.

    Working principal of high speed centrifugal spray dryer:

    After the air enters the filter, the air will be heated in the air heater. The air heater type is various, including: the hot air stove, fin exchanger heat exchange and electric heater etc.

    The heated air enters the hot air distributor mounted on the top of the drying chamber and enters the drying chamber evenly and flows in a spiral shape.

    At the same time, the liquid is feed to the centrifugal spray head mounted on the top of the drying chamber. Under the high-speed rotation of the centrifugal plate, the liquid is sprayed into a tiny droplet, which greatly increases the contact surface area of the material and the hot air. The water evaporates rapidly and completes the drying operation in a very short time.

    The exhaust gas will carry the material to the bottom outlet of the drying chamber and reaches the cyclone separator through the pipeline. The finished product is recovered from the collecting cylinder at the bottom of the cyclone separator, and the exhaust gas is discharged by a centrifugal fan.

    Working features of high speed centrifugal spray dryer:

    1) Fast drying

    After the centrifugal spray, the surface area of the liquid is greatly increased. In the high temperature air, the drying can be done in a few seconds;

    2) The product has good dispersibility, fluidity and water solubility.

    Because the drying process is completed instantaneously, the particles of the product retain the globule of the droplet and are hollow, so it has good dispersibility, fluidity and water solubility.

    3) Continuous work, closed operation, high efficiency, can realize automatic control.

    The material can be dried to power at one time and it does not need to be crushed and screened with following craft. The production process is reduced and simplified.

    High Speed Centrifugal Spray Dryer Main Type & Specifications

    Model LPG-5 LPG-25 LPG-50 LPG-150 LPG200~2000
    Inlet temp. (℃) 140~350℃, designed according to client requirement
    Outlet temp. (℃) 80~90℃
    Max. evaporation (kg/h) 5 25 50 150 200~2000
    Spray head driven type Compressed air driven Motor connection, mechanical driven
    Max Rotation speed (Rpm) 25000 18000 18000 15000 8000~15000
    Spray disk diameter (mm) 50 120 120 150 180~240
    Heat source Electricity Steam + electricity Steam + electricity, conducting oil, gas, hot air furnace
    Max. power (kw) 9 36 72 99 Per condition
    Overall dimension (mm) 1800×930×2200 3000×2700×4300 3500×3500×4800 5500×4000×7000 Per condition
    Dry power recovery rate (%) ≥95

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