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Impact Classifier Mill for Fine Grinding

 

The impact classifier mill ICM is used for fine and finest grinding of brittle materials. During impact grinding, the grinding tools throw the feed material into the liner and crush it. Following this, the integrated classifier separates the material. The grinding fineness can be set there flexibly using the classifier’s rotary speed. The classifier rejects particles which are too coarse. The coarse material is returned to the grinding zone for further particle size reduction.

Highly Selective Classification with Impact Classifier Mill ICM

The advantages of the ICM are its narrow particle size distribution and precise upper particle size restrictions of 10 μm to 2,000 μm. This allows for precise setting of the desired product properties with regard to flow capacity, color intensity, shine, applicability and taste.

The typical ICM classifier mill applications are in the areas of chemicals, pigments, powder coating, minerals, coal, food, candy, cosmetics and pharmaceuticals.

20,000

kg Throughput per hour


350

kW Output


60,000

m³ Air Quantity per hour


Easy Operation and Cleaning of the Classifier Mill

The impact classifier mill ICM incorporates further advantages; for example, it is available with the proven direct drive. This makes the impact mill easy to operate and equally simple to clean.

Optionally, a pressure shock resistant classifier mill is available as a PSR 11 version (pressure shock resistant up to 11 bar). The robust construction of the PSR 11 version is required everywhere where explosions may occur, for example when grinding sugar, shavings, powder coating, coal, etc.

The NEA ICM can easily be inserted in ATEX-compliant systems.

Description

  • Combined dry grinding and classifying
  • Particle size topcut: 20 μm – 1.000 μm
  • Throughput: 10 kg/h – 20.000 kg/h
  • Mill power: 2 kW – 350 kW
  • Air quantity: 140 m³/h – 60.000 m³/h
  • Feed material particle size: 0 – 10 mm
  • Grinding chamber diameter: 150 mm – 2.500 mm

Features

  • Robust mill casing with a long service life
  • Direct drive concept: energy-efficient, compact, low maintenance
  • Simple operation
  • Easy cleaning and maintenance
  • Precise upper particle size limits and steep particle particle size distribution
  • Optimized grinding chamber design for temperature-sensitive products, energy efficiency and low wear

Applications

  • Chemicals such as wax, resins, stearic acids, E-PVC
  • Food such as sugar, protein-enriched legumes, starch, milk powder, cocoa, tea leaves, fish bones, egg shells, sweeteners, vitamins
  • Fossil fuels: coal, lignite, coke or petroleum coke
  • Torrefied wood or charcoal
  • Carbonates, gypsum and minerals such as graphite, talc, sodium bicarbonate, and activated carbon
  • Pigments and varnishes, for example powder coating, inorganic or organic pigments
  • Metal powder

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