Exact function required (blending, dissolving, dispersion, heat exchange, chemical reaction, crystallization, emulsification, suspension, etc).The phase to be mixed (single-phase or multiphase).2 below shows typical components of an agitator (Reference: Wikipedia) Magnetic-driven agitators are also available where a hermetic seal is used in place of a mechanical seal. The number of impellers depends on the height of the liquid inside the vessel or tank. The shaft of the agitator is connected to the motor and gearbox and the impeller rotates to perform mixing. A motor with a gearbox option for speed control.A shaft with an impeller and impeller blades.Table 1: Comparison of different types of agitators Components of an AgitatorĪn agitator is usually composed of three main components. Can efficiently handle visco-elastic liquids. Propeller Agitators Can handle corrosive materials with a glass lining. High power and high-efficiency gearbox requirement.
Not preferred for highly viscous solvents Anchor Agitators Widely used in the pharma industry. High radial flow, good for dispersion operation. Turbine Agitator Liquids and gas reactions are widely used for reaction and extraction operations. High power consumption, Inefficient mixing. Type of Agitator Applications Advantages Disadvantages Paddle Agitator Mixing of Solids, Slurry Mixing, Used during the Crystals forming phase during Supersaturated Cooling Heavy-duty, Slow Operation, 2 to 4 blades.
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