Fluidization characteristics of different sizes of quartz particles in the fluidized bed

Fluidization characteristics of quartz particles with different sizes are experimentally investigated in a fluidized bed with an inner diameter of 300 mm and height of 8250 mm.Results show that the average solid holdup increases with the increase in superficial gas velocity and the decrease in initi...

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Bibliographic Details
Published in:Petroleum science 2016-08, Vol.13 (3), p.584-591
Main Authors: Wang, Zi-Jian, Tang, Jun, Lu, Chun-Xi
Format: Article
Language:English
Subjects:
Bed expansions
Correlation
Cross sections
Earth and Environmental Science
Earth Sciences
Economics and Management
Energy Policy
Fluidized beds
Fluidizing
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Mineral Resources
Natural gas
Original Paper
Quartz
Thermal expansion
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Summary:Fluidization characteristics of quartz particles with different sizes are experimentally investigated in a fluidized bed with an inner diameter of 300 mm and height of 8250 mm.Results show that the average solid holdup increases with the increase in superficial gas velocity and the decrease in initial solid holdup in the dense zone of the fluidized bed.The average cross-sectional solid holdup decreases with increasing bed height and superficial gas velocity.The bed expansion coefficient increases with the increase in superficial gas velocity and the decrease in solid holdup.Correlations of average solid holdup,average cross-sectional solid holdup and bed expansion coefficient are also established and discussed.These correlations can provide guidelines for better understanding of the fluidization characteristics.
ISSN:1672-5107
1995-8226
DOI:10.1007/s12182-016-0106-5