Design a conventional Lapple cyclone to funetion as a precleaner on a gas strean that flows at 120 m/min. The cyclone must achieve a minimum overall eficiency of 70% for the following particulate distri- bution, with a maximum allowable AP of 3000 Pa. The particulate den- sity is 1500 kg/m³, the gas density is 1.0 kg/m°, and the gas viscosity is 0.07 kg/m-hr. Specify your final choice of body diameter, overall cyclone efficiency, inlet gas velccity, and pressure drop. (Assume K = 14) Size Range, pm Mass Percent in Size Range 0-2 2.0 18.0 30.0 4-10 10-20 30.0 20-40 40-100 15.0 4.0 >100 1.0
Design a conventional Lapple cyclone to funetion as a precleaner on a gas strean that flows at 120 m/min. The cyclone must achieve a minimum overall eficiency of 70% for the following particulate distri- bution, with a maximum allowable AP of 3000 Pa. The particulate den- sity is 1500 kg/m³, the gas density is 1.0 kg/m°, and the gas viscosity is 0.07 kg/m-hr. Specify your final choice of body diameter, overall cyclone efficiency, inlet gas velccity, and pressure drop. (Assume K = 14) Size Range, pm Mass Percent in Size Range 0-2 2.0 18.0 30.0 4-10 10-20 30.0 20-40 40-100 15.0 4.0 >100 1.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Design a conventional Lapple cyclone to funetion as a precleaner
on a gas strean that flows at 120 m/min. The cyclone must achieve a
minimum overall eficiency of 70% for the following particulate distri-
bution, with a maximum allowable AP of 3000 Pa. The particulate den-
sity is 1500 kg/m³, the gas density is 1.0 kg/m°, and the gas viscosity is
0.07 kg/m-hr. Specify your final choice of body diameter, overall cyclone
efficiency, inlet gas velccity, and pressure drop. (Assume K = 14)
Size Range, pm
Mass Percent in Size Range
0-2
2.0
18.0
30.0
4-10
10-20
30.0
20-40
40-100
15.0
4.0
>100
1.0
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