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Structure composition and working principle of high-speed mixer
Date: 2025-04-30Read: 7
The structural composition and working principle of the high-speed mixer are as follows:

structural composition

  1. mixing chamber
    • The mixing chamber is the core component of a high-speed mixer, typically a cylindrical or conical container consisting of an inner layer, heating or cooling jacket, insulation layer, and outer jacket.
    • The inner layer is made of stainless steel welding, with a smooth and hard surface, wear-resistant, corrosion-resistant, and not easily stained with materials.
    • There is a material and binder inlet at the top of the mixing chamber, and a discharge outlet at the bottom or side.
  2. Rotating blades (agitator blades)
    • Rotating blades are key working components of high-speed mixers, with special shapes, installed on the main shaft.
    • The blades can change speed during operation to ensure thorough mixing of materials. The material of the blades is usually stainless steel, which is mechanically balanced, wear-resistant, corrosion-resistant, and runs smoothly.
  3. transmission device
    • The transmission device consists of an electric motor, a belt pulley, and a gearbox, providing power for the rotating blades.
    • Electric motors are usually of variable speed regulation type, and the speed can be adjusted as needed.
  4. discharge gate
    • The discharge door is installed on the discharge mechanism on the side of the mixing chamber, and the mixed materials are discharged from it.
    • The discharge door is usually driven directly by a cylinder, which has good sealing and flexibility.
  5. Cooling and heating device
    • The cooling and heating device consists of a cooling water grid, a hot water tank, and cooling and hot water circulation devices.
    • The heating device can heat the mixing chamber through resistance heating coils or steam heating, while the cooling device cools the mixing chamber through cooling water.

working principle

  1. Material movement
    • When the high-speed mixer is working, the motor drives the main shaft to rotate through the belt pulley and gearbox, thereby causing the rotating blades to rotate at high speed.
    • The rotating blades utilize the frictional force between the surface and the material, as well as the lateral thrust on the material, to cause the material to move along the tangent of the impeller.
    • Meanwhile, due to the centrifugal force, the material is thrown towards the inner wall of the mixing chamber and rises along the wall surface. After reaching a certain height, due to gravity, the material falls back to the center of the impeller and is then thrown up again. The combination of upward and tangential movements creates a continuous spiral upward and downward motion of the material.
  2. Mixing and Heating/Cooling
    • During the rapid movement of materials, particles collide and rub against each other, causing the clumps to break and the material temperature to rise accordingly. This combination of self friction heating and external heating promotes uniform mixing of materials and absorption of liquid additives.
    • If cooling is required, the cooling water will cool the mixing chamber through a cooling device to control the temperature of the material.
  3. Mixed post-processing
    • After mixing, the material can be cooled inside the jacket using a cooling medium.
    • The cooled material is discharged from the discharge port under the action of the rotating blades.