According to the present invention, disclosed is a greenhouse gas emission reduction apparatus for a vessel. The apparatus includes: a seawater supply part (110) supplying seawater; an absorption liquid manufacturing part (120) manufacturing and supplying high-concentration CO_2 absorption liquid; an absorption tower (130) having a CO_2 removal part (131) formed therein to remove CO_2 by cooling exhaust gas discharged from a vessel engine (10) through a reaction between the exhaust gas and the seawater supplied from the seawater supply part (110), and then, converting CO_2 into an ammonium salt solution through a reaction between the cooled exhaust gas and the absorption liquid from the absorption liquid manufacturing part (120); an absorption liquid concentration control part (140) controlling the concentration of the absorption liquid supplied from the absorption liquid manufacturing part (120) to the absorption tower (130); and an ammonia regeneration part (150) enabling the ammonium salt solution discharged from the absorption tower (130) to be used as absorption liquid by regenerating NH3 through a reaction between the solution and a bivalent metal hydroxide solution and returning the same to the absorption tower (130). Therefore, the apparatus is capable of preventing a deterioration in absorption performance by keeping the concentration of absorption liquid constant.
본 발명은, 해수를 공급하는 해수 공급부(110), 고농도 CO2 흡수액을 제조하여 공급하는 흡수액 제조부(120), 선박 엔진(10)으로부터 배출되는 배기가스를 해수 공급부(110)로부터 공급된 해수와 반응시켜 냉각하고, 냉각된 배기가스와 흡수액 제조부(120)로부터의 흡수액을 반응시켜 CO2를 암모늄염 수용액으로 전환하여 CO2를 제거하는 CO2 제거부(131)가 형성된, 흡수타워(130), 흡수액 제조부(120)로부터 흡수타워(130)로 공급되는 흡수액의 농도를 조절하는 흡수액 농도조절부(140), 및 흡수타워(130)로부터 배출된 암모늄염 수용액을 2가 금속수산화물 수용액과 반응시켜 NH3를 재생하여서 흡수타워(130)로 회귀시켜 흡수액으로 재사용하도록 하는, 암모니아 재생부(150)를 포함하여, 흡수액의 농도를 일정하게 유지하여 흡수성능 저하를 방지할 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
2021-03-29
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 / B01D SEPARATION , Trennen / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F02G HOT-GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS , mit Heißgas oder Verbrennungsgasen betriebene Kraftmaschinenanlagen, wobei die Kraftmaschinen mit Verdrängerwirkung arbeiten |
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