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Design, construction and performance evaluation of a flat screen hammer mill machine

Author

Listed:
  • B. O. Ezurike
  • O. J. Osazuwa
  • C.A. Okoronkwo
  • K.I. Okoji

Abstract

The detailed design procedure for a hammermill machine is presented. The system designed is a modification to the conventional hammer mill with a circular bottom casing and a semi-circular screen. The major problems associated with the conventional machine are longer milling time and low efficiency as a result of the material moving alongside the circular screen. This led to the design and fabrication of a modified hammermill machine with a flat screen. The hammer mill is a power mill making use of a high-speed rotating disc, which is stationary to a number of hammer bars that move superficially by a centrifugal force. The machine was made effective with a one horsepower electric motor, and the efficiency was found to be 92.9% after testing was done with dried maize.

Suggested Citation

  • B. O. Ezurike & O. J. Osazuwa & C.A. Okoronkwo & K.I. Okoji, 2018. "Design, construction and performance evaluation of a flat screen hammer mill machine," African Journal of Science, Technology, Innovation and Development, Taylor & Francis Journals, vol. 10(6), pages 683-690, September.
    • Handle: RePEc:taf:rajsxx:v:10:y:2018:i:6:p:683-690
    DOI: 10.1080/20421338.2018.1491675
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