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Disintegration process in disc crushers

Author

Listed:
  • P. Vaculík

    (Department of Technological Equipment of Buildings, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • J. Maloun

    (Department of Technological Equipment of Buildings, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • L. Chládek

    (Department of Technological Equipment of Buildings, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • M. Přikryl

    (Department of Technological Equipment of Buildings, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

Grinding or crushing hard raw materials is usually a primary operation which precedes the follow-up technological processes in a number of industrial sectors. A great variety of machines using different principles of fragmentation are employed in the technology of pulverization. The food industry uses roller mills, in which the main process is the shear grinding. In the animal feed industry impact machines known as hammer mills are often used. In recent years, mills have been employed that use their frontal edges for grinding or crushing during the rotation of one of two adjacent discs. The modern design disc machines used for grinding grain have resulted from long development and their operation has a relatively low noise level with reduced dust. The separation process that occurs in the gap between the active edges of the discs can be described as shear grinding and is currently the subject of attention which is focused on the specific energy consumption and fractional composition of the product of grinding.

Suggested Citation

  • P. Vaculík & J. Maloun & L. Chládek & M. Přikryl, 2013. "Disintegration process in disc crushers," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 59(3), pages 98-104.
    • Handle: RePEc:caa:jnlrae:v:59:y:2013:i:3:id:28-2012-rae
    DOI: 10.17221/28/2012-RAE
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    Citations

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    Cited by:

    1. Antonio Cordova & Juan Manuel Zuñiga & Jose Luis Mantari & Helard Henry Alvarez, 2017. "Estimation of the power consumed in disc crushers using a static analysis," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 63(4), pages 152-159.
    2. A. Smejtková & P. Vaculík & M. Přikryl & Z. Pastorek, 2016. "Rating of malt grist fineness with respect to the used grinding equipment," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 62(3), pages 141-146.

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