The Mixing Characteristics and Residence Time Distribution of Cut Tobacco Particles in Drum Mixer

Wen Kui Zhu; Dong Liu; Jin Song Du

doi:10.4028/www.scientific.net/AMR.396-398.297

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 396-398The Mixing Characteristics and Residence Time...

The Mixing Characteristics and Residence Time Distribution of Cut Tobacco Particles in Drum Mixer

Abstract:

Residence time distributions were determined for the continuous processing of cut tobacco in the rotary drum by introducing expanded cut tobacco tracers to the inlet of the processing system using the negative step change method. Effects of rotating speed of the rotary cylinder and solids flow rate on the mixing homogenization and residence time distribution (RTD) of experiment materials was investigated. PER-CSTR series model and multistage CSTR model were used to fit the experimental results. The result shows mixing homogenization increased significantly with the increasing feeding rate of cut tobacco and decreasing drum rotating speed. PER-CSTR series model is more suitable to describe the RTD characteristics of flow materials in drum. The axis movement of cut tobacco along the drum is approximate to the plug-flow.

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Periodical:

Advanced Materials Research (Volumes 396-398)

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297-301

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.396-398.297

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Online since:

November 2011

Authors:

Wen Kui Zhu, Dong Liu, Jin Song Du

Keywords:

Cut Tobacco, Drum Mixer, Residence Time Distribution

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