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Pressure Drop in Cyclone Separator at High PressureOA

Pressure Drop in Cyclone Separator at High Pressure

中文摘要英文摘要

For the design of pressurized circulating fluidized beds, experiments were conducted in a small cyclone with 120 mm in diameter and 300 mm in height at high pressures and at atmospheric temperatures. Influence of air leakage from the stand pipe into the cyclone was specially focused. A semi-empirical model was developed for the predic tion of the pressure drop of the cyclone separator at different operate pressures with the effect of air leakage and inlet solid loading. The operate pressure, air leakage and inlet solid loading act as significant roles in cyclone pressure drop. The pressure drop increases with the increasing of pressure and decreases with the increasing of the flow rate of air leakage from the standpipe and with the increasing of the inlet solid loading.

For the design of pressurized circulating fluidized beds, experiments were conducted in a small cyclone with 120 mm in diameter and 300 mm in height at high pressures and at atmospheric temperatures. Influence of air leakage from the stand pipe into the cyclone was specially focused. A semi-empirical model was developed for the predic tion of the pressure drop of the cyclone separator at different operate pressures with the effect of air leakage and inlet solid loading. The operate pressure, air leakage and inlet solid loading act as significant roles in cyclone pressure drop. The pressure drop increases with the increasing of pressure and decreases with the increasing of the flow rate of air leakage from the standpipe and with the increasing of the inlet solid loading.

Graduate University of Chinese Academy of Sciences, Beijing 100190Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190

数理科学

cyclone separator;pressure drop;air leakage

cyclone separator;pressure drop;air leakage

《热科学学报:英文版》 2008 (003)

275-280 / 6

Financial support from The Ministry of Science and Technology of China(Contract No.2003AA529220)is sincerely appreciated.

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