Change in Power Number of Agitating Impeller at Phase Inversion in Wet Spherical Agglomeration of Coal
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概要
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In wet spherical agglomeration, rapid progress in the agglomeration process occurs at an almost definite elapsed time after the beginning of the agglomeration operation according to the agglomeration conditions. This rapid progress in the agglomeration process is called “phase inversion, ” and at this point the power number of the impeller agitating the suspension in the agglomeration tank is also known to increase rapidly.In this paper, we report our experimental investigation of the cause of the increase in the power number of the agitating impeller at phase inversion of wet spherical agglomeration of coal. The power number after phase inversion is 1.3–1.5 times that before phase inversion. At phase inversion, the agglomerate diameter increases rapidly, and the bulk volume of the agglomerates in the suspension also increases. The increase in these values greatly influences the increase in the power number at phase inversion.
- 社団法人 化学工学会の論文
- 1999-12-01
著者
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TAKASE Hitoshi
Department of Material Systems Engineering and Life Science, Toyama University
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Takase Hitoshi
Department Of Material Systems Engineering And Life Science Toyama University
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MABARI Mitsuhiro
Department of Material Systems Engineering and Life Science, Toyama University
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Mabari Mitsuhiro
Department Of Material Systems Engineering And Life Science Toyama University
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TAKASE HITOSHI
Department of Environmental Chemistry and Engineering, Tokyo Institute of Technology
関連論文
- Influence of Tank Bottom Shear Stress on Complete Fluidization of Spherical Solid Particles in a Square Surface Agitation Tank
- Change in Power Number of Agitating Impeller at Phase Inversion in Wet Spherical Agglomeration of Coal
- Influence of interparticle forces on selective wet agglomeration
- Flow characteristics of a coal-oil-water mixture prepared by disintegration of de-ashed coal agglomerates
- Oscillation of water mass appearing in square and circular surface aeration tanks.