Abstract
The behavior of dust particles in a cyclone at an elevated temperature was analyzed to assess the feasibility of cyclone for hot gas treating processes. First, the gas velocity distribution in a cyclone and particle trajectories were calculated. Then, the adhesive force of the particles to the cyclone wall at an elevated temperature was measured. The results of these analyses showed that particle adhesion tends to occur in the lower part of the cyclone where the gas velocity is relatively low. This was confirmed by an experiment using a cyclone with heated gas and model dust. These results led to a few guidelines for designing hot cyclones without particle adhesion.
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