4. A cyclone is used as a scalping unit on a coal fired boiler. The height of the cyclone inlet (H) is 0.75 m, the width of the cyclone inlet (W) is 0.6 m, the length of the upper chamber (Lb) is 2.0 m, and the length of the lower chamber (Lc) is 5.0 m. The inlet gas velocity is 20.0 m/s and the particle density is 2,000 kg/m3. Assume gas viscosity of 1.85 x 10-5 kg/(m-s). Calculate the cyclone removal efficiency over a range of particle sizes equal to or greater than to 80 μm.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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4. A cyclone is used as a scalping unit on a coal fired boiler. The height of the cyclone inlet
(H) is 0.75 m, the width of the cyclone inlet (W) is 0.6 m, the length of the upper chamber
(Lb) is 2.0 m, and the length of the lower chamber (Lc) is 5.0 m. The inlet gas velocity is 20.0
m/s and the particle density is 2,000 kg/m3. Assume gas viscosity of 1.85 x 10-5 kg/(ms).
Calculate the cyclone removal efficiency over a range of particle sizes equal to or greater
than to 80 μm.
Transcribed Image Text:4. A cyclone is used as a scalping unit on a coal fired boiler. The height of the cyclone inlet (H) is 0.75 m, the width of the cyclone inlet (W) is 0.6 m, the length of the upper chamber (Lb) is 2.0 m, and the length of the lower chamber (Lc) is 5.0 m. The inlet gas velocity is 20.0 m/s and the particle density is 2,000 kg/m3. Assume gas viscosity of 1.85 x 10-5 kg/(ms). Calculate the cyclone removal efficiency over a range of particle sizes equal to or greater than to 80 μm.
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