Speedy and Efficient

TTD Air Classifiers

07.04.2015 TTD ultrafine classifiers from Hosokawa Alpine are unrivaled in the classifying of soft to medium-hard minerals at high throughput rates, for example during filler production.

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TTD Air Classifiers

The classifier saves up to 25 % energy (Picture: Hosokawa Alpine)

The patented classifying wheel geometry of the Turbo Twin Double (TTD) classifier permits high throughput rates and loading factors at high fineness values of up to d97 = 3.0 µm. The low pressure drop of the classifier makes the system highly energy-efficient. Savings of up to 25 % are possible. The classifying wheel is supported in bearings on both sides and permits peripheral speeds of up to 120 m/s. Another unique feature is the optimized product routing approach: material is routed directly to the classifying wheel. This prevents any backmixing with the already classified coarse material. It is no longer necessary to adjust the classifying wheel gap, which greatly simplifies maintenance. Today, six TTD systems with sizes 200, 315, 500, 630, 800 and 1,000 are available. The 1000 TTD produces GGC fillers with fineness values of 70 % < 2 µm and a top cut of d97 = 4.7 µm at an output rate of 3,500 kg/h, and an output rate of 7,500 kg/h for a top cut of d97 = 10 µm.

Facts For Decision-Makers:

  • fineness up to d97 = 3.0 µm
  • six sizes available
  • energy efficient

 

Achema 2015 Hall 3.1 – A27

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