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Size Reduction Q&A

  •   We need an economical and versatile grinder that can grind a variety of spices (some quite oily) to sizes between U.S. 6 & 60 mesh. We would expect throughput of 1 - 2000 lb/hr. We are currently using an old attrition mill with 2 - 20hp motors. Any recommendations? Also any advice on who could help us with mechanical advice or aid on changing plates on our mill?

    Answered November 10th, 2009 by Expert: The Jet Pulverizer Expert Group

    Thank you very much for your processing question. Spices and other organic materials can be tough to grind, especially if they have high moisture content or are oily like your materials. The moisture content and oil may dramatically reduce the efficiency of the milling technology and can allow the material to agglomerate after milling.

    Since your goal is fairly coarse, based on our jet milling technology, we recommend hammer mill technology. You may want to contact Pulva Corporation (www.pulva.com) for a more specific recommendation.

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