> Product | Powder Mixer & Dryer | Conical Screw Mixer
Conical Screw Mixer:
Introduction:
The PerMix PNA series Nauta Mixer, named by its inventor Mr. J.E. Nauta, is also called Conical Screw Mixer. PNA series Nauta Mixer is a batch mixing equipment used widely in applications that require gentle mixing and minimal heat generation without any product distortion. Because no seals or bearings are exposed in product zone, there is no risk of lubricant contamination.
The PerMix PNA series Nauta Mixers is featured by its very low energy consumption, low maintenance cost, but high performance of mixing.
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Features & Advantages:
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No minimum volume required
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Complete discharge of materials
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Easy cleaning of the machine
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Gentle mixing for fragile and friction sensitive materials
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Free of cross contamination with shaft sealing above the product
How It Works:
A spiral screw (or two, three screws according to specified application) inside of a PerMix PNA series Nauta Mixer rotates by its own axle parallel and near the wall of the cone vessel. It lifts the powders around it from bottom to the top, and then the powder falls down due to the gravity. At the same time, the spiral screw rotates around the center of the cone like a planetary, so that the powders in every corner of the cone can be mixed by the screw.
Options:
- Screw Type
We offer single screw, double screw and triple screw to give different mixing intensity.
- Construction Material and Finish
We are able to offer our PVR Mixers with contact part to be built in Carbon steel, SS304, SS316/316L, Titanium, Duplex stainless steel, Hastelloy, etc. Finish of internal and external finish can be dull polished, 180 grit polished (food grade), or mirror polished. For abrasive materials we offer hardened steel as the contact part.
- Feeding & Discharging
A variety of feeding & discharging methods available.
- Drive system
Drive system by geared motor, cycloidal reducer, worm reducer, belt or chain transmission, etc.
- Heating/Cooling jacket
Jacketed trough for heating/cooling operation
- Vacuum drying & deaerating
The PNA mixer can be designed for vacuum drying & deaerating or for inner pressure working for special applications.
- Spray nozzle
Liquid can be added into the powder by spray nozzles on the top.
