CFS Ultra-Fine Classifier

Classifying Fine Powder

General

When a screening machine cannot be used to separate fine powder due to the desired final fineness or other product characteristics, our “standard” ultra-fine classifier, CFS, can.

The best results and yields are achieved regardless of whether you are separating coarse fractions (grit) or classifying fines (dedusting).

The limitless adjustment of the classifier wheel separates the particle sizes.

The optimized classifier wheel design guarantees that very high finenesses can be achieved with only one classifier wheel, even with high throughputs.

The user friendly machine housing allows the machine to be thoroughly cleaned, fast, when product or batches are changed.

Technique

  • Finenesses from d97 10 µm to d97 250 µm (based on limestone)
  • Air classifier with vertical shaft
  • Vortex free fines outlet with expansion chamber to reduce circumferential speed and wear as well as product buildup in the outlet
  • Classifier wheel with exchangeable, simultaneously rotating immersion tube to achieve highest finenesses, unlimited adjustment
  • Gap between classifier wheel and fines outlet rinsed by gas for highest possible prevention of oversize particles in the fine fraction.
  • Classifier shaft seal rinsed by compressed gas to protect the bearings
  • Conically shaped bottom, with vertical coarse particle outlet
  • Bearing of the classifier shaft is permanently grease sealed or oil lubricated for hot gas applications
  • Extremely sharp separation due to optimized classifier wheel design
  • Highest finenesses and maximum throughput achievable with just one classifier wheel
  • Even product load on the classifier wheel through rotationally symmetrical design of the machine
  • Hinged classifier head provides very good access for fast, easy cleaning and maintenance
  • Reproducible results
  • Optional designs available: pressure shock resistant, gas tight, wear protected

Applications

Ores / Minerals / Metals

  • Talc
  • Graphite

Pigments / Dyes

  • Pigment production

Ceramics / Glass

  • Ceramic pigments
Adhesives / Sealants

  • Silicone

Cellulose / Pulp

  • Cellulose derivatives

For more information please contact us

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