Abstract
This paper describes the effect of mechanical vibration on the drying rate of granular particles in a multistage inclined fluidized bed(IFB).
A mathematical model for the drying rate of the particles in the multistage IFB is presented from the standpoint of simultaneous heat and mass transfer, with taking the effect of mechanical vibration added vertically into consideration.
Steady-state distributions for the temperatures and concentrations of the particles and the heating gas, and for the moisture content of the particles are numerically calculated based on the present model. The calculated results show fairly good agreement with the experimental data, which were obtained from the drying experiments of brick particles in a three-stage IFB using comparatively low temperature air (40–60℃) as a heating gas.
Within the range of the experimental conditions employed, it has been found that, the mechanical vibration added vertically enhances the over-all drying rate of the particles and its effect can be considered equivalent to an increase in the air velocity.
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References
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© 1985 Springer-Verlag Berlin Heidelberg
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Hasatani, M., Arai, N., Hori, K. (1985). Drying of Granular Particles in a Multistage Inclined Fluidized Bed with Mechanical Vibration. In: Toei, R., Mujumdar, A.S. (eds) Drying ’85. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-21830-3_19
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DOI: https://doi.org/10.1007/978-3-662-21830-3_19
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