Research on the dust removal performance of cyclone cloth dust collectors
To address issues such as the low efficiency of traditional cyclone dust collectors and the short lifespan of bag dust collectors,an integrated solution has been developed by effectively combining the traditional cyclone dust collector with the filter cloth dust collector.This integrated system,known as the cyclone cloth dust collector,capitalizes on the complementary advantages of both technologies.In this study,the dust removal efficiency and pressure loss of the cyclone cloth filter under various outlet pressures were investigated using numerical simulation and testing methods.Fluent software was employed to assess and simulate the dust removal performance of the cyclone dust remover.The simulation utilized the Reynolds Stress Model(RSM)and Discrete Phase Model(DPM)for accurate representation.Subsequently,a test platform was established to evaluate the dust removal performance of the dust removal device,thereby validating the reliability and accuracy of the numerical simulation.The test results indicate that,(1)a positive correlation between the dust removal efficiency of the cyclone filter and the outlet negative pressure.The overall dust removal efficiency of the cyclone filter gradually increases with the rise in outlet negative pressure.As the pressure increases to a certain threshold,the dust removal efficiency reaches its peak.However,the efficiency of the cyclone dust removal section initially rises and then declines as the outlet negative pressure increases.Notably,the maximum efficiency of the cyclone dust removal section is lower than the minimum efficiency of the cyclone filter overall.It can be concluded that the cyclone dust removal significantly enhances the dust removal efficiency.(2)The pressure loss of cyclone cloth filter increases linearly with the increase of outlet negative pressure,and the rising speed of pressure loss is faster than the increasing speed of dust removal efficiency.The increase of pressure loss leads to the increase of power loss in the dust collector(3)In the cyclone filter cloth dust collector,as the negative pressure increases,the cyclone dust captures larger particle sizes,while the particle size escaping to the filter cloth becomes smaller.This phenomenon reduces the risk of the filter cloth being scratched by large particles,thereby enhancing the service life of the filter bag.
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