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  1. 2 Chemical and Process Engineering

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  1. 2 2011

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  1. 2 Fořt I.

  2. 2 Jirout T.

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A study on blending characteristics of axial flow impellers

100%
Fořt I., Jirout T.
Chemical and Process Engineering
|
2011
|
vol. 32
|
issue 4
311-319
EN
This paper presents an analysis of the blending characteristics of axial flow high-speed impellers under a turbulent regime of flow of an agitated low viscosity liquid. The conductivity method is used to determine the time course of blending (homogenisation) of miscible liquids in a pilot plant fully baffled mixing vessel, and a torquemeter is used for measuring the impeller power input in the same system. Four-blade and six-blade pitched blade impellers and three high efficiency axial flow impellers are tested for the given degree of homogeneity (98%).The experimental results and also the results of the authors' previous study, in accordance with the theoretical approach described in the literature, show that there is a universal relationship between the impeller power number and the dimensionless blending time, taking into consideration the impeller-to-vessel diameter ratio, independent of the geometry of the axial flow impeller but dependent on the degree of homogeneity. This relationship is found to be valid on a pilot plant scale under a turbulent flow regime of an agitated liquid.
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A study on blending characteristics of axial flow impellers

86%
Fořt I., Jirout T.
Chemical and Process Engineering
|
2011
|
issue 4
first rewind previous Page / 1 next fast forward last
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