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Alpine ATP Turboplex Air Classifier

Alpine ATP Turboplex Air Classifier

The Alpine ATP Turboplex Air Classifier is ideal for ultra-fine classification of superfine powders. The patented multi-wheel design offers the same sharp top cut as a single wheel Alpine ATP, but can achieve up to 6 times the capacity of a single-wheel classifier. The classification of the product is a function of the peripheral speed or the speed of the classifying wheel and the radial speed of the air flowing through the classifying wheel. The material's fineness can be controlled by altering the speed of the classifier wheel. Rejected material is discharged at the bottom of the classifier.

The Alpine ATP Turboplex Air Classifier can produce fines in the range of D97=4 µm or finer. The mono-bloc classifier wheels are available in SiC or Alumina. In this wear-resistant construction, the unit can operate at the same speed as the steel classifier and thus achieve the same particle size cut. The mono-bloc design is ideal for processing abrasive materials such as feldspar and quartz.

With the newly developed NG-wheel (New Generation) and the TTC wheel (Turbo Twin Classifier), the pressure drop across the classifier wheel could be significantly (up to 50%) reduced. This means lower capital costs as well as lower operational costs. The new TTC wheel is suspended by pillow block bearings and is capable of tip speeds up to 120 m/sec. The TTC has a 2:1 L/D ratio which often can replace multi-classifier wheels for soft material applications.

Design & Options

  • Super-fine end products are obtainable at high output rates with only one classifier
  • Product enters through one feed opening
  • Easily controlled air conditions as fine material is discharged through one common fine material duct
  • The classified coarse material is discharged through one discharge opening
  • Available with single & multiple classifier wheel designs



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