Differences in Mixing Power Consumption between Dished-Bottom and Flat-Bottom Vessels

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  • Kato Yoshihito
    Department of Life and Materials Engineering, Nagoya Institute of Technology
  • Tada Yutaka
    Department of Life and Materials Engineering, Nagoya Institute of Technology
  • Urano Kunihiko
    Department of Life and Materials Engineering, Nagoya Institute of Technology
  • Nakaoka Azusa
    Department of Life and Materials Engineering, Nagoya Institute of Technology
  • Nagatsu Yuichiro
    Department of Life and Materials Engineering, Nagoya Institute of Technology

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  • 皿底円筒槽と平底円筒槽における撹拌所要動力の差異
  • サラゾコ エントウソウ ト ヒラゾコ エントウソウ ニ オケル カクハン ショヨウ ドウリョク ノ サイ

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Abstract

The difference in power consumption between dished-bottom and flat-bottom mixing vessels were investigated. In turbulent mixing vessels with standard baffle conditions and a radial flow type impeller, a difference of up to 20% in power consumption was found between the dished and flat bottoms. In vessels with pitched blade paddle and propeller type impellers and non-baffled vessels showed the same power consumption regardless the bottom geometry.

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