Problem to be solved: to provide a prestader capable of continuously discharging separated and deposited dust.SolutionIntroduction port 11 introducing gasBelow the inletAn isolation region 13 for separating dust contained in the gas introduced from the introduction port 11 from gas andAn exhaust port 12 for exhausting gas separated from dustProvided below the isolation regionA reservoir 14 where dust is collected andHopper withDisposed in isolation regionA rectifier plate 15 which guides the gas introduced from the inlet 11 downward; andDisposed in isolation regionFrom the rectifier plateA first collision plate 161 and a second impingement plate 162 disposed downstream of the separation region 13 in the air flow directionDust accumulated in reservoir 14Having a screw feeder 181 that is horizontally moved;Dust discharge part 18 exhausting dust and discharging from Part 14.Diagram
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