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The Desigh of Spiral Cyclone
Student：Zhang Jing，Mechanical Engineering School
Teacher：Zhang Manlai, Mechanical Engineering School
Abstract—Hydrodynamics of a cyclone separator as element of a re-circulating fluidised bed circuit has been studied experimentally. The main efforts have been addressed the solids suspension density distribution along the cyclone axis at various solids circulation rates. In general, the suspension density decreases in the downward direction and becomes least in the cyclone conical section. At the cyclone exit it starts increasing and this trend persists in the dipleg of downcomer. The suspension density decreases as the bed inventory in inlet section of cyclone is increased and the solids circulation rate in the cyclone-downcomer branch of the fluidized bed circuit. It is to be noted that use of fluidized bed keeps the environment more clean.
Index Terms—cyclone separator, suspension density, circulating fluidized bed, high solids inventory.