The present invention discloses a greenhouse gas emission reducing device for a ship, which comprises: a NaOH generating unit (110) for generating NaOH (aq) by electrolyzing seawater and fresh water, respectively, and supplying some of the electric power applied for electrolysis by generating power through reduction and oxidation of Na; a CO2 absorption tower (120) including a CO2 removal unit (121) that absorbs and removes CO2 from the exhaust gas by reacting NaOH (aq), and an SOx absorption unit (123) that dissolves and removes SOx and absorbs a portion of CO2; a sediment separation unit (130) for separating the absorbed liquid drained from the CO2 removal unit (121) after absorption and removal of the CO 2 from the sediment and fresh water; a water treatment unit (140) for treating the washing water drained after washing the exhaust gas from the SOx absorption unit (123); and a washing water supply unit (150) which circulates the washing water from the water treatment unit (140) by a first circulation path for supplying the washing water to the SOx absorption unit (123). The greenhouse gas emission reducing device removes CO2 through NaOH(aq) generated by electrolyzing seawater and fresh water, removes some CO2 by washing water circulating with NaOH(aq) injected, and power through reduction and oxidation of Na can be produced and used for electrolysis.
본 발명은, 해수와 청수를 각각 전기분해하여 NaOH(aq)를 생성하고, Na의 환원 및 산화를 통해 전력을 생산하여 전기분해를 위해 인가되는 전력 일부를 공급하는, NaOH 생성부(110), 선박 엔진(10)으로부터 배출되는 배기가스와 NaOH 생성부(110)로부터의 NaOH(aq)를 반응시켜서, CO2를 Na2CO3(aq)와 NaHCO3(aq)로 전환하여 배기가스로부터 CO2를 흡수제거하는 CO2 제거부(121)와, CO2 제거부(121)의 하단에 형성되어 배기가스와 NaOH(aq)가 주입되어 순환하는 세정수를 반응시켜 냉각하면서 SOx를 용해시켜 제거하고 CO2를 일부 흡수하는 SOx 흡수부(123)로 구성되는 이산화탄소 흡수타워(120), CO2 제거부(121)로부터 CO2 흡수제거 후 배액되는 흡수액을 침전물과 청수로 분리하는, 침전물 분리부(130), 및 SOx 흡수부(123)로부터 배기가스를 세정한 후 배액되는 세정수를 수처리하는 수처리부(140), 수처리부(140)로부터의 세정수를 SOx 흡수부(123)로 세정수를 공급하는 제1순환로에 의해 순환시키는 세정수 공급부(150)를 포함하여, 해수와 청수를 전기분해하여 생성된 NaOH(aq)를 통해 CO2를 제거하며, NaOH(aq)가 주입되어 순환하는 세정수에 의해 CO2를 일부 제거하고, Na의 환원과 산화를 통해 전력을 생산하여 전기분해에 사용할 수 있는, 선박의 온실가스 배출 저감장치를 개시한다.
APPARATUS FOR REDUCING GREENHOUSE GAS EMISSION IN VESSEL AND VESSEL INCLUDING THE SAME
선박의 온실가스 배출 저감장치 및 이를 구비한 선박
25.02.2022
Patent
Elektronische Ressource
Koreanisch
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 / C02F Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm , TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B01D SEPARATION , Trennen / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS |
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