Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Removal Performance of Sticky Paint Aerosol Control System Generated from Small Scale Car Paint Overspray Booth

소형 자동차 페인트 도장부스에서 발생하는 점착성 paint aerosol 처리장치에서 제거성능

  • Lee, Jae-Rang (Climate Change Research Division, Korea Institute of Energy Research) ;
  • Hasolli, Naim (Climate Change Research Division, Korea Institute of Energy Research) ;
  • Jeon, Seong-Min (Climate Change Research Division, Korea Institute of Energy Research) ;
  • Lee, Kang-San (Climate Change Research Division, Korea Institute of Energy Research) ;
  • Sohn, Jong-Ryeul (Division of Environmental Health Science, Korea University) ;
  • Park, Young-Ok (Climate Change Research Division, Korea Institute of Energy Research)
  • 이재랑 (한국에너지기술연구원 기후변화연구본부) ;
  • ;
  • 전성민 (한국에너지기술연구원 기후변화연구본부) ;
  • 이강산 (한국에너지기술연구원 기후변화연구본부) ;
  • 손종렬 (고려대학교 환경보건학과) ;
  • 박영옥 (한국에너지기술연구원 기후변화연구본부)
  • Received : 2015.01.12
  • Accepted : 2015.02.11
  • Published : 2015.02.28
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Abstract

Small scale paint overspray booths are being operated nationwidely, for repair of passenger car body parts. paint aerosols are emitted from the paint overspray booth in operations. In paint overspray booth operations without ventilation system and air pollutants collection unit, it may land on nearby equipment. In this study a removal of sticky paint aerosol for application of the small-scale overspray paint booth. it's cause the surface of filter bag from generated sticky paint aerosol. To remove adhesion of paint aerosol the agglomerating agents are injected and mixed with sticky paint aerosols prior to reach the filter bag. The paint spray rate was set as $10{\pm}5g/min$ from air-atomized spray guns in the spray booth, injection rate of agglomerating was $10{\pm}5g/min$ in the mixing chamber. The filtration velocity including air pollutants varied from 0.2 m/min to 0.4 m/min. Bag cleaning air pressure was set as $5.0kg_f/min$ for detaching dust cake from surface of filter bag. Bag cleaning interval at the filtration velocity of 0.2 m/min was around 3 times longer than that of the 0.4 m/min. The residual pressure drop maintained highest value at the highest filtration velocity. Fractional efficiency of 99.952%~99.971% was possible to maintain for the particle size of 2.5 microns. Total collection efficiency at the filtration velocity of 0.2 m/min was 99.42%. During this study we could confirm high collection efficiency and long cleaning intervals for the test with filtration velocity of 0.2 m/min indicating an optimal value for the given dimensions of the test unit and test operating conditions.

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