PULVIS

El PULVIS es un molino vertical agitador de bolas en seco con un clasificador dinámico integrado. Su punto fuerte es la trituración ultrafina y poco contaminante de materiales duros.

Los procesos de trituración de sólidos, como los materiales cerámicos o el vidrio, requieren mucha energía. Cuanto más fino sea el tamaño del grano objetivo, mayor será el consumo de energía. El PULVIS ha sido diseñado para reducirlo de forma considerable.

  • Finuras hasta d97 < 1μm
  • Distribución del grano pronunciada
  • Hasta un 80 % de ahorro de energía

Principle of operation

The milling part is located at the bottom of the machine. Feed material is ground by agitated media that combine impact grinding and attrition.

The gasflow injected from the bottom side transports and cools the particles on their way through the grinding media.

Ground particles are conveyed by air, passing through the grinding chamber to the classifier.

The classifier separates the required fine product from coarse particles. The coarse particles return to the grinding zone for further grinding.

Features

  • Compact design
  • From Laboratory to production scale: with possibility to scale-up over complete range
  • Energy efficient: With high grinding efficiency specific energy consumption is reduced by up to 80 %. Finer particle sizes are possible compared to jet milling.
  • Ultra fine particles: The compact unit reliably produces very fine products with particle sizes in the sub-micron range.
  • Easy assembly: disassembly and cleaning are achieved with this design. Ideal machine for frequent material changes.
  • Wear protection: Mill and classifier are protected by ceramic lining and parts.

Applications

The PULVIS is the right choice for the ultra-fine grinding of hard, temperature un-sensitive materials. In the grinding process also additives can be used. Typical application for the PULVIS are for example:

  • Aluminium oxide
  • Anorganic pigments
  • Battery materials
  • Ceramic materials
  • Ceramic pigments
  • Glass, glass frits
  • Hydrogen adsorbent alloy
  • Industrial materials
  • Metal oxide
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Folleto PULVIS
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Folleto Dry Ultrafine Grinding of Minerals
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