A homogeneous blend of dry powders
Dry blending is the process of mixing dry powder ingredients into a homogeneous blend. During the blending process, the dry particles are swirled around at high-speed resulting in a homogeneous dry material. FIPROS offers three mixers, a Ruberg™ vertical twin-shaft mixer, a Nauta® conical screw mixer and a Uniball® mixer tumbler. All blenders are equipped with liquid dosing systems to spray oil or water to enable agglomeration and de-dusting of powders.

Ruberg™ Vertical Twin-Shaft Mixer
Our Ruberg™ vertical twin-shaft mixer, with a capacity of 1,5 m3, offers a three-dimensional rearrangement of dry material. Its clockwise driven spiral tools create a spiral upward movement on the peripheries of the container and downward flow in the centers combined with horizontal cross flows.
The Ruberg™ blender offers a very effective and yet gentle blending process that ensures maximum homogeneity. It is very suitable for more robust material and can be used for a combination of heavy duty and very gentle mixing tasks. It also includes an advanced technology for spraying oils and emulsifiers.
Advantages:
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Advanced technology for spraying oils and emulsifiers
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Effective and yet gentle blending process
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Maximum homogeneity
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Capacity: 1,5 m3

Nauta® Conical Screw Mixer
At Fipros, we use a Nauta® conical screw mixer to ensure a gentle and uniform blending of sensitive powders and granules. The vertical, conical vessel and slow-rotating screw lift raw materials from the bottom and allow them to cascade back evenly, without crushing or overheating ingredients.
We can handle free-flowing, fragile, and segregative powders, as well as paste-like masses and slurries.
We can tailor batch sizes and process setups to your production needs, ensuring a stable, energy-efficient, and food-safe solution.
Advantages:
- Gentle mixing with high uniformity
- Addition of liquids during mixing
- Heating or cooling during processing
- Processing under pressure or vacuum
- Handling of sticky or challenging products
- Capacity: 3 m³ and 8 m³

Uniball® Mixer Tumbler
The Uniball® Mixer Tumbler can be used for a range of products from powders to mixing bigger particle sizes and fluids. It has a capacity of 225 liters and a load capacity of 60 to 100 kg, and is particularly suitable for small-scale or test productions.
Advantages:
- Suitable for small-scale or test productions
- Load capacity: 60 to 100 kg
- Capacity: 0,225 m³

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