TSP i TTSP

Klasyfikatory tonerów TSP i TTSP zostały opracowane specjalnie do tonera odpylającego. Wymagania dotyczące jakości produktu końcowego przy przetwarzaniu tonera są tak wysokie, że do kontroli jakości stosuje się liczniki cząstek (licznik Coultera). Specyfikację odpylonego gruboziarnistego materiału podano w%, przy czym specyfikacja generalnie dopuszcza 3-10% liczby% <5 µm. Podczas projektowania skupiono się na maksymalnej precyzji cięcia, chociaż wzięto również pod uwagę inne aspekty, takie jak obsługa i bezpieczeństwo, a także koszty eksploatacji i instalacji.

  • Jedno- lub dwustopniowy ultradrobny klasyfikator o wysokiej precyzji cięcia dla optymalnych produktów gruboziarnistych
  • Specjalnie zaprojektowany do klasyfikowania tonerów i pigmentów, np. minimalizacja ultradrobnej frakcji <2 - 5 µm
  • Odchylana obudowa ułatwia czyszczenie maszyny podczas wymiany produktu
  • Walce klasyfikacyjne ułożone pionowo
TSP 200 250 315 400 500
Scale-up factor [f] 0,4 0,6 1 1,6 2,5
Motor power [kW] 3 5,5 7,5 11 18,5
Air flow rate [Nm³/h] 500 900 1400 2300 3600

Technical specifications TTSP

TTSP 200 250 315 400 500
Scale-up factor [f] 0,4 0,6 1 1,6 2,5
Motor power [kW] 3 5,5 7,5 11 18,5
Air flow rate [Nm³/h] 1120 1800 2800 4600 7200
Larger systems available on request.

Principle of operation

The feed material is dispersed by the classifying wheel and transported through the same by the classifying air. The dust entrained in the air is transported through the support wheel and discharged via the fines discharge. The coarse product is rejected by the classifying wheel and conveyed to the coarse material discharge. The product routing is designed such that no back-mixing can occur and a high quality of dust removal is ensured. The special configuration with the support wheel is patented; it permits optimum access for quick and thorough cleaning at minimum downtime.

Protected by additional patents, the TTSP classifier is a refinement of the TSP classifier, primarily with the aim of improving the precision of cut even further by means of two consecutive classifying stages. At the same product loading of the classifying air, the TTSP classifier achieves a much higher precision of cut than the TSP, or at a constant coarse product quality, achieves a higher loading factor. This makes it possible to almost treble the throughput in comparison with the TSP.

Features

  • High precision of cut
  • Steep particle size distribution and precise separation of small amounts of oversized grain
  • Low pressure loss and therefore a small-sized motor for the blower.
  • High loading (kg/m³) and therefore high outputs at small machine sizes.
  • Due to the high loading, the plan accessories can be dimensioned for low air flow rates accordingly
  • Low energy input. Thus it is possible to process products with a low fusion point.
  • Classifier conceived for easy disassembly and cleaning.
  • TTSP: Two-stage classification in the machine
  • TSP: One-stage classification

Applications

Dust removal from toner and powder coatings containing titanium dioxide

The demands made of the end-product quality in toner processing are so high that particle counters (Coulter Counter) are employed for quality control. Specification of the dedusted coarse material is given in number%, whereby the specification generally permits 3-10 number% < 5 µm.

The use and manufacture of chemical substances, including titanium dioxide, are subject to strict registration, testing and approval processes. Legal requirements ensure that these chemicals are harmless to health and the environment in their intended uses. The critical fine fraction of <10 µm is <1% after classifing with the TSP classifier. The backmixing-free product flow ensures a high quality of dedusting. The hinged housing enables optimal accessibility for quick, thorough cleaning and significantly minimizes downtimes.

Design:

  • Stainless steel
  • Polished, Ra 0.8 µm
  • Three-fraction classification for special toner applications, to this end, the classifier is equipped with a special classifying wheel in the 2nd stage, and the classifying system is laid out for the collection of the 3 fractions toner powder, dust and coarse particles

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