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Collection characteristics of wet-type rotating porous disk system for air pollutants removal of marine diesel engines

박용디젤기관의 대기오염 저감을 위한 습식 회전형 다공성 디스크 시스템의 집진특성

  • Yoa, Seok-Jun (Department of Environmental Engineering, Pukyong National University) ;
  • Jang, Chang-Ik (Department of Environmental Engineering, Pukyong National University)
  • 여석준 (부경대학교 환경공학과) ;
  • 장창익 (부경대학교 환경공학과)
  • Received : 2014.07.15
  • Accepted : 2014.08.14
  • Published : 2014.08.31

Abstract

The main object of this study is to investigate the collection characteristics of wet-type rotating porous disk system experimentally. The experiment is carried out to analyze the pressure drop and collection efficiency for the present system with the experimental parameters such as system inlet velocity, stage number, tube diameter, inlet concentration, etc. In results, for the present system, at 5 stage and ${\upsilon}_{in}=1.8m/s$, the pressure drop becomes significantly lower as $64mmH_2O$ in comparison with that of the conventional wet type scrubber (Venturi scrubber, over $250mmH_2O$). The collection efficiencies increase with higher inlet velocity showing 92, 95.7, 98.4%, while $SO_2$ removal efficiencies decrease with increment of inlet velocity as 80, 65, 50% at ${\upsilon}_{in}=1.08$, 1.44, 1.8 m/s and tube diameter $D_t=10mm$, respectively. The present system is to be considered as an effective compact system for a simultaneous removal of particle/gas phase pollutants from marine diesel engines.

Keywords

Rotating Porous Disk;Pressure Drop;Collection Efficiency

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