Particle and Aerosol Research Vol. 4, No. 2, December 2008 |
ISSN : 1738-8716 (Print) ISSN : 2287-8130 (Online) |
Research and development of centrifugal classifiers: A review
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Abstracts
Concerns on centrifugal classifiers, of which have cut sizes are below few micrometers, have been increased and
it is prospected to be used in extensive industries, such as manufacturing the fine minerals, cosmetics, advanced
electric materials, and life science. This paper reviews the recent progress of research and development on the centrifugal
classifiers. General categorization of classifiers for feeds was assessed and separation mechanism of the
classifiers was followed. History of centrifugal classifiers was explored and some points to be improved were
briefly indicated. Fundamental theory of the classification by centrifugal classifiers was pearly studied, and advanced
and further understandings on factors affecting the separation or grading efficiency are described. Factors determining
the classification precision and efficiency of centrifugal classifiers, such as geometry, rotational speed and
inclined angle of rotating vanes, feed and air flow rates, and rotor dimensions are reviewed.
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