Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Coating of Seed Particles in Tumbling Fluidized Bed by Atomizing the Suspensions of Clayey Particles [Translated]†
Coating seed particles of 53 to 210 µm with clayey particles was carried out by means of a tumbling fluidized bed in order to enlarge and reuse the clayey particles wasted in producing a carrier for driftless dust formulation. The influence of operating factors on the coating efficiency η and on the growth rate of seed particles was investigated. η varied depending upon thermal operating factors but was not influenced much by mechanical ones. It was found that η was related roughly to RW defined as the ratio of the feed rate of water fed as slurry droplets to the maximum theoretical evaporation rate of water in a coating chamber. η increased with RW. The relationship between η and RW varied with the additive ratio of binder PVA to clayey particles, Cb, and η became high with increasing Cb. The growth rate of seed particles was explained well by an equation derived on the basis of the mass balance of clayey particles in a coating chamber.† This report was originally printed in J. Soc. Powder Technology, Japan, 22(5), 278-287 (1985) in Japanese, before being translated into English by KONA Editorial Committee with the permission of the editorial committee of the Soc. Powder Technology, Japan.
Coating of Seed Particles in Tumbling Fluidized Bed by Atomizing the Suspensions of Clayey Particles [Translated]†
Coating seed particles of 53 to 210 µm with clayey particles was carried out by means of a tumbling fluidized bed in order to enlarge and reuse the clayey particles wasted in producing a carrier for driftless dust formulation. The influence of operating factors on the coating efficiency η and on the growth rate of seed particles was investigated. η varied depending upon thermal operating factors but was not influenced much by mechanical ones. It was found that η was related roughly to RW defined as the ratio of the feed rate of water fed as slurry droplets to the maximum theoretical evaporation rate of water in a coating chamber. η increased with RW. The relationship between η and RW varied with the additive ratio of binder PVA to clayey particles, Cb, and η became high with increasing Cb. The growth rate of seed particles was explained well by an equation derived on the basis of the mass balance of clayey particles in a coating chamber.† This report was originally printed in J. Soc. Powder Technology, Japan, 22(5), 278-287 (1985) in Japanese, before being translated into English by KONA Editorial Committee with the permission of the editorial committee of the Soc. Powder Technology, Japan.
Coating of Seed Particles in Tumbling Fluidized Bed by Atomizing the Suspensions of Clayey Particles [Translated]†
Eiichi Abe (Autor:in) / Hideharu Hirosue (Autor:in) / Hiroshi Kikuchi (Autor:in)
2014
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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