Efficiency of particle deposition in an inertial type dust precipitator

Moscow State University of Civil Engineering, Moscow, Russian Federation

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Abstract

Modern industrial enterprises increasingly implement equipment modernization programs or install new high-efficiency systems. In dust-laden air purification processes, effective capture of coarse particulate matter at initial cleaning stages proves critical for ensuring superior final purification performance. This study proposes the implementation of an inertial dust separator during primary cleaning phases, featuring unique capability for operational adjustment of structural and technological parameters during air treatment. The investigation presents a parametric design schematic for an adjustable inertial dust separator. Comparative analysis of inertial separation configurations is conducted, accompanied by mathematical modeling of particulate motion within air streams incorporating drag force considerations. The derived model includes particle levitation velocity equations accounting for blade reflection effects. Experimental results demonstrate clear correlations between separation efficiency and key design/operational parameters. The study establishes optimal performance criteria for inertial separation systems, providing quantitative guidelines for industrial implementation.