CFS 5 HD-S and CFS 8 HD-S High-efficiency Fine Classifiers

The smallest for the finest

Ogólne informacje

The CFS 5 HD-S and CFS 8 HD-S are effective laboratory classifiers for the sharpest separation ranging up to d97 2.5 µm.

The optimized classifier wheel geometry and best possible material dispersion in close proximity to the classifying zone enable the advancement into material finenesses that until now were not reachable with conventional air classifiers, with maximum separation sharpness and yield!

The user friendly design of the machine housing enables fast, complete cleaning of the machine when product or batches are changed.

The plant is designed to be modular, so that other modules can be added, such as our CGS Fluidized Bed Jet Mill and ConJet® High Density Bed Jet Mill to make a completely versatile laboratory platform.

NETZSCH Laboratoryjne linie technologiczne

Technika

  • Finenesses up to d97 2.5 µm (based on limestone)
  • Laboratory high efficiency classifier with vertical shaft
  • Classifier housing with hinged door provides very good access for fast and easy cleaning and maintenance
  • Spiral housing for optimum coarse grain orientation
  • Guide vane ring with adjustable vanes for efficient dispersion of the feed material prior to classification
  • Classifier wheel with 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 material in the fines fraction
  • Classifier shaft seal rinsed by compressed gas to protect the bearings
  • Extremely high degree of separation sharpness and consequently improved fines extraction
  • Even load on the classifier wheel through rotationally symmetrical construction of the machine
  • Reproducible results
  • Shipped ready for immediate operation
  • Can be combined with other machine modules
  • Optional designs available: pressure shock resistant, gas tight, wear protected
Function principle of the laboratory classifier

Zastosowanie

Kleje / Szczeliwa

 

Ceramika / Szkło

 

Pigmenty / Barwniki

Toner Processing with CONDUX Fine Classifier CGS/HD-S

Literatura

Broszura

Broszura

The CONDUX High-efficiency Fine Classifier CFS/HD-S works very efficiently due to ist closely defined sharpness of cut and ist very specific product flow.

Broszura

Ultra-fine Grinding and Ultra-fine Classifying on a Laboratory Scale

Literatura przedmiotu

Literatura przedmiotu

The CFS-HD classifier uses a combination of the free vortex and the forced vortex models to achieve cut points down to less than 2 µm. The classifier rotor has a new design for theoretically constant radial velocity in the vane-free internal area; it is surrounded by a cage of static vanes, creating a steep spiral flow in order to give good dispersion and deagglomeration to the material to be classified.

Literatura przedmiotu

Based on the physical model of classification in vaned rotors, the fundamental difference between the exclusive use of a forced vortex flow (i.e. classification at the outer edge of the vanes) and the combined use of forced vortex/free vortex flow (i.e. classification in the interior vane free area) is derived. The classifier used for the comparison is a CFS-HDS model. Results received from this classifier equipped with a ConVor-wheel with constant radial velocity of the flow in the interior vane free area are compared with results from a classifier wheel designed for classification at the outer edge of the vanes.

Literatura przedmiotu

In the ceramic industry the mechanical treatment of raw materials, processed or finished powders is an important part of many production processes. At the same time the grinding- and classifying processes are also of primordial importance, in order to ensure a range of particle sizes which is usually exactly defined for the particular process. The grinding principle of jet milling has proved itself to be particularly effective for the grinding of ceramic and abrasive materials. They can be ground to high finenesses, with an exact upper particle size limit, in one working step.

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CFS/HD-S High-efficiency Fine Classifier

Wymagania stawiane przy zastosowaniu do wielu produktów takie jak podwyższona selektywność separacji i mniejsza średnica podziałowa cząstek wydzielonych z 50% efektywnością nie stanowią problemu dla linii CFS/HD-S wysoko­wydajnych separatorów do produktów ultradrobnoziarnistych.

Dzięki zmaksymalizowanej dyspersji wstępnej klasyfikowanego produktu następuje wyraźna optymalizacja średnicy podziałowej cząstek wydzielanych z 50% efektywnością i precyzji separacji.

Dostępne dla miałkości od 2,5 do 60 µm (d97).

Maszyny dostępne są w rozmiarach do przerabianych objętości gazu od 50 do 16 000 Nm³/h.

Wysokowydajny separator InlineStar do produktów drobnoziarnistych

Ten nowy model separatora został zaprojektowany do połączenia na wylocie z młynem do mielenia drobnoziarnistego. Bezpośrednia integracja klasyfikatora in-line z młynem tworzy linię ciągłego mielenia i klasyfikacji o zmniejszonej liczbie wymaganych części składowych.

Dostępna separacja w granicach od 2,5 do 60 µm (d97).

Maszyny dostępne są w rozmiarach do przerabianych objętości gazu od 350 do 2 600 Nm³/h.

CFS 5 and CFS 8 Fine Classifiers

Efficient separation of grain sizes and effective results for both coarse material and fine material separation.

For separation limits from 10 to 250 µm (d97).

Machine sizes with gas volume of approximately 25 to 145 Nm³/h.

LabCompactPlus

The LabCompactPlus was especially designed for use in laboratories - machine (mills or classifiers) are taken up by a swivel arm on the machine base and can be exchanged very easily.