Estimate the cut diameter and overall collection efficiency of a cyclone given the particle size distribution of dust from cement kiln. Particle size distribution and other pertinent data are given below Avg particle size in 1 10 20 30 40 50 60 >60 range dps um Wt 03 20 15 20 16 10 06 03 07 _percent Gas viscosity = 0.02 Cp; Specific Gravity of the particle = 3.0 Inlet gas velocity of cyclone 48 ft/sec Effective number of turns within cyclone = 5 Cyclone diameter = 8 ft Cyclone inlet width 2 ft and collection efficiency as a function of the ratio of particle diameter to cut diameter can be obtained by 1 E = 1+(d„/d,}°

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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Chapter1: Introduction
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Estimate the cut diameter and overall collection efficiency of a cyclone given the
particle size distribution of dust from cement kiln. Particle size distribution and
other pertinent data are given below
Avg
particle
size in
1
10
20
30
40
50
60
>60
range
dp, um
Wt
03
20
15
20
16
10
06
03
07
percent
Gas viscosity = 0.02 Cp; Specific Gravity of the particle 3.0
Inlet gas velocity of cyclone = 48 ft/sec
Effective number of turns within cyclone = 5
Cyclone diameter 8 ft
Cyclone inlet width = 2 ft
and collection efficiency as a function of the ratio of particle diameter to cut diameter can
be obtained by
1
E =
1+(d„/d,)
„("p/ *
Transcribed Image Text:Estimate the cut diameter and overall collection efficiency of a cyclone given the particle size distribution of dust from cement kiln. Particle size distribution and other pertinent data are given below Avg particle size in 1 10 20 30 40 50 60 >60 range dp, um Wt 03 20 15 20 16 10 06 03 07 percent Gas viscosity = 0.02 Cp; Specific Gravity of the particle 3.0 Inlet gas velocity of cyclone = 48 ft/sec Effective number of turns within cyclone = 5 Cyclone diameter 8 ft Cyclone inlet width = 2 ft and collection efficiency as a function of the ratio of particle diameter to cut diameter can be obtained by 1 E = 1+(d„/d,) „("p/ *
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