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The main object of this study is to investigate the Dust Collection Characteristics of multi-layer multi-stage porous plate system with polarization charging mechanism, experimentally. The experiment is carried to analyze the characteristics of pressure drop and collection efficiency for the present system with the experimental parameters such as applied voltage, inlet velocity, inlet concentration and stage number, etc. In results, the pressure drop becomes 18 to 134 mmH2O, with increment of stage number (1 to 5) at inlet velocity vin = 3.11 m/s (vt = 18 m/s) and inlet concentration 3 g/m for inflow current. In case of both applied voltage 0 kV and non-inflow current, the collection efficiency of 5 stage is 92.5% at vin = 2.58 m/s (vt = 15 m/s), while it is estimated that the collection efficiency becomes about 6% higher than that of 0 kV and non-inflow as 98.5% at vin = 2.58 m/s for both alternating polarization charge (applied voltage 2.5 kV) and inflow current system.

Dust Collection Characteristics of Multi-layer Multi-stage Porous Plate System with Polarization Charge to Impaction Effect