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Effects of number and location of nozzles on flow characteristics in vertical scrubber
Dai Xin,김종호,Yongcheng Liang,박권하 한국마린엔지니어링학회 2019 한국마린엔지니어링학회지 Vol.43 No.2
The allowable emission limit of sulfur oxides from ships was reduced to 0.1% in emission control areas and will be reduced to 0.5% in other areas from 2020. Many technologies have been developed for satisfying sulfur oxide emission limits. A wet scrubber device is being developed as the preferred technology. In this study, a small vertical wet scrubber was examined for high-speed small engines. The effects of the number and location of nozzles on cleaning water distribution and flow distance were investigated. Regarding the nozzle location, the cleaning water distributions and flow distances in the scrubber were better with horizontal nozzles than with vertical nozzles. Regarding the number of nozzles in the scrubber, six yielded the best results.