Hydrodynamic characteristics (pressure drop, collection efficiency and residence time distribution of solid particles) of cyclone reactor have been studied. In cyclone, air and char and glass beads were used as gas phase and solid phase, respectively. Effects of gas inlet velocity (6-17m/sec), particle size (141-211>μm) and geometry ratio (1.8-5) on hydrodynamic characteristics of cyclone have been studied.
Pressure drop increased with gas inlet velocity and decreased with dust loading. Solid residence time distribution was broadened with gas inlet velocity and geometry ratio but narrowed with particle size. Average residence time of solid in cyclone increased with gas inlet velocity but decreased with particle size. Collection efficiency in a cyclone reactor increased with gas inlet velocity up to 8m/sec and decreased with higher gas inlet velocity.
Average residence time of char particles in cyclones has been correlated with the dimensionless numbers.
