Scientific-technical journal


Centrifugal cyclones have been developing for 100 years, while the efficiency of all cyclones for fine dust does not increase by 80%. The widespread use of cyclones in all branches of industrial production is determined by the simplicity of the design and sufficient reliability in operation. Along with this, the process carried out in a cyclone presents a complex scientific problem that has not been solved from the standpoint of aerohydromechanics. This is confirmed by various cyclone designs. Currently, the efficiency of cyclone cleaning of technological flows does not meet the requirements of sanitary standards and largely determines the level of environmental pollution. The paper compares highly efficient centrifugal cyclones of screw and non-screw twist flow. The numerical study was carried out on the basis of the Comsol Multiphysics 5.6 software package. The v2-f model was chosen as the turbulence model. Based on the numerical data obtained, it is shown that the efficiency of a screw cyclone is significantly greater than that of a non-screw cyclone.

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