ATTRITOR
How Attritor Works
Wet Milling Attritor - Batch Type
Wet Milling Attritor - Continuous
Dry Milling Attritor - Batch & Cont.
Recirculation Series
Laboratory Attritor
Grinding Media

HOW ATTRITOR WORKS

 
How an Attritor Works ?
 
  • The operation of a batch attritor is simple and effective. The material to be ground and the grinding media are placed in a stationary, jacketed grinding tank.

  • Commonly used grinding media types are stainless steel, chrome steel, tungsten carbide, ceramic, or zirconium oxide.

  • The material and the media are then agitated by the shaft with cross arms, rotating at high speed.

  • This causes the media to exert both shearing and impact forces on the material, resulting in optimum size reduction and dispersion.

  • No premixing is necessary. The material can be directly fed into the jacketed grinding tank of the mill.

  • The final result of the grinding action is a fine, even particle dispersion.

  • Temperature control (either cooling or heating) can be maintained with the use of jacketed tanks.

 
   
How the Continuous Attritor Works
 
  • The continuous mill has a compact vertical design suitable for continuous production of large quantities of materials.

  • Premixed slurry is pumped through the bottom and discharged at the top of a tall, narrow jacketed tank with internally agitated grinding media.

  • The fineness of the processed material depends on the time the material stays in the grinding chamber ("dwell" time).

  • Dwell time is controlled by the pumping rate. The slower the pumping rate, the longer the dwell time and the finer the grind.

  • The grinding media used in continuous grinding mills range in size from 2mm to 10mm in diameter

 

 
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