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Frequently Asked Questions
A Ploughshare Mixer is often suitable for materials that tend to agglomerate.
Its plough-shaped mixing tools generate intensive circulation of the material, while optional high-speed choppers can break up lumps and agglomerates during mixing.
The final selection should be based on the material characteristics and process requirements.
Vortex mixers are designed for a wide variety of powders, granules, and powder-liquid mixtures.
Typical applications include chemical powders, food ingredients, pharmaceutical powders, animal feed, dry mortar, ceramics, battery materials, fertilizers, pesticides, minerals, refractory materials, and other bulk solids. The actual mixer configuration should be selected according to the physical and chemical properties of the material.
Vortex manufacture a wide range of industrial powder and bulk solids mixing equipment, including:
- Horizontal Ribbon Mixers
- Ploughshare Mixers
- Double Shaft Paddle Mixers (Paddle Mixers / “No-Gravity” Mixers)
- Conical Twin-Screw Mixers
- Vertical Screw Ribbon Mixers
- Double Cone Mixers
- V-Type Mixers
- 3D Motion Mixers
- Customized mixing systems and complete mixing lines
The most suitable mixer depends on your materials, production capacity, mixing ratio, required mixing time, and process conditions.
Mixer capacity should be evaluated using both the total vessel volume and the effective working volume. The required volume depends on material bulk density, batch weight, filling ratio and the mixing principle of the selected machine. A mixer should not normally be filled to its total geometric volume because sufficient space is required for material movement and effective mixing. For this reason, selecting a mixer based only on vessel volume can result in an unsuitable configuration.
The appropriate industrial powder mixer depends on several factors, including:
- Material characteristics
- Bulk density
- Particle size
- Required mixing uniformity
- Batch size or production capacity
- Moisture content
- Whether heating or drying is required
- Whether liquid addition is required
- Required discharge configuration
- Production and automation requirements
Vortex provides different powder mixer designs so that equipment can be selected according to the specific process requirements.
Vortex powder mixer selection depends on several factors, including:
- Material type and characteristics
- Bulk density and particle size
- Material flowability
- Moisture content
- Viscosity
- Mixing ratio
- Batch size or required production capacity
- Whether liquid addition is required
- Required mixing uniformity
- Temperature, pressure, vacuum, or other process requirements
Vortex engineers can recommend a suitable powder mixer based on your material and process requirements.
Yes, We can supply simple stand alone panels or automated PLC controlled systems. We normally install and test all controls on our mixers before they are shipped.
Yes, we normally test the mixers before they are shipped and mark out the wire need to connect on the control box.
We manufacture specialty mixing equipment for powder & bulk materials. Included are ribbon blender, plough mixer, conical screw mixer, twin shaft paddle mixer, V blender, double cone blender and other auxiliary equipment such as screw conveyor, quantitive auger filler.
We sell across the world, our cusotmers distribute 5 continents.
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Top 5 Applications for Conical Screw Mixers (Nauta Mixers) in Industrial Manufacturing
Technology to mix is essential in all the industries, though not all the mixers are best in sticky, delicate or hygroscopic products. One which is rather special is the conical screw mixer, or Nauta mixer as it is sometimes called because of its unusual gentle, intense mixing ability. This machine has one helical screw turning within a conical chamber, which lifts and drops the materials to produce a tumbling action to achieve total mixing without pulverizing the ingredients.
Here, in this article, we revisit the five most common industrial uses of conical saw screw mixers, in which this equipment is simply the best bet and why they are so important in the modern-day manufacturing industry.
Role of Conical Screw Mixers (Nauta Mixers) in Different Industries
- Chemical Industry: Treatment of Hygroscopic Powders, and Granulates
The Usage
Conical screw mixers are used in the chemical manufacturing process when mixing moisture absorbing powders, polymer resins, catalyst and specialty pigments.
The reason it works is that it takes place at the right time, in the right place with the right people, and it works because it is fun.
The mixing nature is gentle so it does not overheat and produce a lot of fine dust. Jacketed walls and connections to vacuum can be added to the mixer to prevent oxygen or moisture contamination. Even sticky or cohesive products are thoroughly mixed with the use of the screw mechanism.
Industrial Benefits
- Homogeneous combination of fine and hygroscopic powder
- Less destruction of sensitive chemicals
- Vacuum or inert-gas charing — The ability to use vacuum/inert-gas blanketing
- Scalability and Batch-to-batch consistency
Nauta mixers best suit whenever the formulation to be made should remain without lumps or inactive areas.
- Nutraceutical and Pharmaceutical Manufacturing
Typical Applications
The mixer must also have the capacity to deal with sensitive active ingredients as well as excipients when making a drug powder, granules and nutraceutical blends.
This is Why It Shines
The fluid churning allows low-shear mixing, which does not damage the ingredients. The mixer is in stainless steel construction, clean in place design, and discharge valves, which translates to close GMP compliance. The vacuum upgrade makes it possible to control odor and lower the extent of oxidation during fill.
Industrial Benefits
- Blending in a gentle manner maintains the efficacy of drugs
- Manufacturing standards of hygienic design
- Well de-aerated vacuum operation
- Capability of homogenizing granules and powders normally
Conical screw mixers are also applied in delicate formulations, in which preserving the structure of the particles and consistency of dosages are critical.
- Processing of Food and Flavor
Use Cases
Special mixing is used in such food products as spices and spice blends, powdered beverages, dry soups, snack dips, and powdered sweeteners.
The Reason It Works
The mixer processes powder that has cohesion or free-flowing powders without the risk of ill-affecting flavours. Additional sprays can be fitted to introduce oils, seasonings or liquid flavouring compounds. Cleaning is easy and so it can be used to do allergen-free runs or different recipes runs.
Industrial Benefits
- Quick combinational without spoiling the spices or tastes
- Scalable batch size that can go all the way to full scale
- Allergen control (easy cleaning)
- Flavor introduction optional spray nozzle
Conical screw mixers become a preferred option of food processors because the mixers allow them to come up with uniform, delicious mixes in small and large quantities.
- Building Materials and Mineral
Applications
Blending of pigments and additives with gypsum, cement, lime, and mineral powders is appropriate to the mild performance of the Nauta mixer.
The Reason It Is Effective
Abrasives and heavy mixtures have been handled with care to ensure that there is suspended fine powder. The rugged construction of the mixers endures the abrasive wear. The screw lifts gently the materials and lessens the possibility of segregation and makes sure of good scattering.
Industrial Benefits
- Homogeneous distribution of color and powder in minerals
- Low shear mixing causes minimal dusting
- Cleaning and maintenance Easy access
- Applicable to dense/ coarse foods
Improvement in cohesion of materials and lesser production of dust are added advantages of the construction material plants.
- Miscellaneous: Plastic, Rubber and Polymer Additive Blending
Use Cases
Compounding plastic fouls, rubber masterbatches, recycled plastic fume, and filler loaded mixtures.
What Makes It Excels
The mixer will provide proper combination of additives and avoid breaking of the polymer chains as well as creating static. Under- or over-melt conditions can be controlled by cooling or heating jackets. A vacuum helps in de-aeration and static control and better downstream extrusion or moulding.
Industrial Benefits
- Consistency of pigments ad stabilizers distribution
- Innocuousness of low-shear mixing safeguards the integrity of the polymer
- De-aeration assists quality of extrusion
- Scalable lab to plant Size
- Conical screw mixers are utilized to impart homogeneous blends that need to be bulk processed.
Key Benefits of Conical Screw ( Nauta ) Mixers
In these industries, a few common qualities are fairly spelt out:
- In low shear mixing fragile particles are preserved
- Full homogenization is implemented in the form of tumble-lift-drop action
- Jacketed heating/cooling provides thermal -control
- Vacuum de-aeration and moisture control ability
- Sanitary design so easy to clean and conform with
- Small and big batch scalable geometry
They are also versatile and thus applicable when integrity, quality of batches and flexibility of the processes is of essence in ingredients.
Selection and Use Hints about Conical Screw Mixer
- Choose the appropriate volume, And cone angle:
Select quantities that are sizes to match batch quantity and bulk density. Cohesive desirable materials have steeper cones that enhance the efficiency of discharge.
- Adjustable pitch of screws and speed:
Change dissolving rates and geometry to adjust or limit the intensity of mixing and avoid overheating.
- Jacketed heat exchange:
Cooling or heating jackets should be used where the mixing or material properties are influenced by temperature control.
- Add vacuum to moisture sensitive mixes:
The use of vacuum modes minimizes dust and enhances the quality of the products besides aiding hygienic operation.
- Cleaning and Maintenance plan:
Product changeover is simple with hinged access doors, CIP spray balls and sanitary seals.
Conclusion
Modern production manufacturing cannot do without a conical screw mixer, also known as Nauta mixer. A light but complete mixing makes it suitable when working with high-valued, moisture sensitive, bulky or delicate substances. Its successful blend and high-quality performance, efficient batching and scalable production are well proven in chemicals, food, pharmaceuticals, minerals and polymers.
To see more models, configurations or how to get tech support visit the product page which is above.
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