Disclosed is an apparatus for reducing greenhouse gas emissions of a ship. The apparatus for reducing greenhouse gas emissions of a ship comprises: an NH_3 storage facility (110); a seawater/brine supply pump (120); an ammonia dissolving tank (130) dissolving NH_3 in seawater/brine; a sulfur oxide reduction unit (140) removing SO_X of exhaust gas emitted from a ship engine (10); a carbon dioxide reduction tank (150) spraying ammonic brine to CO_2 of SO_X-removed exhaust gas to change to NaHCO_3 to remove CO_2; and a recovery tank (170) regenerating NH_3 to supply regenerated NH_3 to the ammonia dissolving tank (130). SO_X is removed first from exhaust gas and then CO_2 is removed to increase CO_2 dissolving reaction speed to improve CO_2 removal efficiency and remove side reactions when regenerating NH_3 to prevent impurities from being included when recovering ammonia.
본 발명은, NH3저장소(110)와, 해수/브라인 공급펌프(120)와, 해수/브라인에 NH3를 용해시키는 암모니아 용해탱크(130)와, 선박 엔진(10)으로부터 배출되는 배기가스의 SOX를 제거하는 황산화물 저감부(140)와, SOX가 제거된 배기가스의 CO2에 암모니아성 브라인을 분사하여 NaHCO3로 전환하여 CO2를 제거하는 이산화탄소 저감탱크(150)와, NH3를 재생하여 암모니아 용해탱크(130)로 공급하는 리커버리 탱크(170)를 포함하여, 배기가스로부터 SOX을 먼저 제거한 후에 CO2를 제거하여, CO2 용해반응속도를 높여 CO2 제거 효율성을 향상시키고 NH3 재생시 부반응을 제거하여 암모니아 회수시 불순물이 포함되지 않도록 하는, 선박의 온실가스 배출 저감장치를 개시한다.
APPARATUS FOR REDUCING GREENHOUSE GAS EMISSION IN VESSEL
선박의 온실가스 배출 저감장치
2021-10-18
Patent
Electronic Resource
Korean
IPC: | F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS |
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