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Mechanisms and Industrial Applications of Homogenization Heads in Oil-Water Emulsification

2025-04-08

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The homogenization head in an emulsifier facilitates the combination of oil and water phases through the following mechanisms:

  1. Shear Force
    The high-speed rotation of the rotor and stator generates intense shear forces within the narrow gap between them. This mechanically breaks down oil droplets into smaller sizes, enabling uniform dispersion in the water phase‌.

  2. Impact Force
    The turbulent flow of materials causes repeated collisions with the homogenization head’s internal components and walls. This impact further refines oil droplets, enhancing emulsification stability‌.

  3. Structural Design

    • The geometry of the homogenization head (e.g., tooth shape, clearance) optimizes shear rates and droplet fragmentation efficiency‌.
    • Higher shear rates and specialized rotor-stator configurations improve emulsification by reducing droplet size and increasing interfacial contact‌.
  4. Synergy with Emulsifiers
    While mechanical forces dominate, emulsifiers stabilize the oil-water interface by forming a protective film around dispersed oil droplets, preventing coalescence‌.

These combined actions ensure rapid and stable emulsification, critical in industries like cosmetics, food, and pharmaceuticals‌