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Hurricanes are optimized cyclone collectors, considering how interparticle agglomeration affects particle collection efficiency. The Traditional Approach: Since the first patent was issued in 1886, cyclones have been generally designed and improved by empirical means. Building a reliable efficiency prediction method is very difficult due to the modeling complexity, since these pieces of equipment handle multiphase and highly turbulent flows, and...
In order to obtain higher efficiencies and compliance with emission limits, an improved recirculation system has been designed to take advantage of the Hurricane cyclones. A mechanical ReCyclone (ReCyclone MH) is made up of a Hurricane and a particle separator (straight-through cyclone), placed downstream of the cyclone - called the 'recirculator'.
Recent adoption of electrostatic recirculation in the same cyclone system has successfully proven to further reduce particle emissions, even in the [1;5]µm particle size range, assuring future regulation compliance, particularly where legal limits are very tight, with the objective of bag filter redundancy.