Dynamic mixer — are high-tech equipment for intensive mixing, emulsifying, dispersing or homogenising liquid and semi-solid products. Due to the use of high-speed rotors and static components, dynamic mixers ensure uniformity and high quality of the final product. The dynamic mixer is based on the interaction between a rotating rotor and a stationary stator. As the rotor rotates, the liquid or mixture passes through the gaps between the rotor and stator, where it is subjected to intense mechanical stress:

1. Mixing: The fluid components are mixed.
2. Dispersion: Solid particles are crushed to a microscopic size.
3. Emulsification: A stable emulsion is formed from two liquids that do not normally mix (e.g. water and oil).
4. Homogenisation: It ensures an even distribution of particles in the product.

Depending on the design, dynamic mixers can have multiple rotors and stators to increase efficiency.

Areas of application

1. Food industry:
   • Production of sauces, mayonnaise, creams, yoghurts, and beverages.
   • Homogenising milk or cream.
2. Pharmaceuticals:
   • Preparation of sterile solutions, ointments, gels.
   • Mixing active ingredients with excipients.
3. Cosmetics industry:
   • Production of creams, shampoos, lotions, and toothpastes.
   • Emulsification of oils and water components.
4. Chemical industry:
   • Mixing paints, varnishes, adhesives, resins.
   • Dispersing solid particles in liquids.
5. Oil and gas industry:
   • Preparation of lubricants, emulsions, drilling fluids.

Features of dynamic mixers

1. High intensity of the process:
   The interaction of the rotor and stator ensures efficient mixing of even complex media.
2. Adjustable speed:
   Mixers allow you to change the rotor speed, which allows you to adapt the equipment to specific processes.
3. Precision and control:
   They provide control of emulsification, dispersion and homogenisation processes.
4. Versatility:
   They are suitable for use in a variety of media: low-viscosity, high-viscosity, abrasive or mechanically sensitive.
5. Materials of execution:
   They are made of stainless steel (AISI 316L), which meets sanitary standards and provides corrosion resistance.
6. CIP/SIP support:
   Most models are compatible with automatic cleaning and sterilisation systems.
7. Compactness:
   They can be portable or integrated into production lines.

How to choose the right dynamic mixer?

1. Product properties:
   • Consider the viscosity, density, temperature, and chemical composition of the liquid.
   • For sensitive foods, choose mixers with a delicate operating mode.
2. Production capacity:
   • Calculate the capacity of the equipment based on the volume to be processed.
3. Type of rotor-stator system:
   • Single-stage models are suitable for simple processes.
   • Multi-stage mixers provide more intensive processing and are used for complex tasks.
4. Materials:
   • Choose stainless steel for food and pharmaceuticals.
   • Use special coatings for aggressive environments.
5. Management system:
   • Check the possibility of automation and integration into existing production lines.
6. Additional features:
   • Availability of a cooling or heating system if the process requires temperature control.

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