To provide a cleaning wastewater treatment apparatus of marine vessel exhaust gas which retains scrubber wastewater temporarily and decreases pollutant concentration to a degree at which the wastewater can be discharged into the ocean in a time zone in which the scrubber wastewater is not generated.SOLUTION: A cleaning wastewater treatment apparatus of marine vessel exhaust gas includes: a buffer tank 5 including a cleaning part for cleaning marine vessel exhaust gas with scrubber water and retaining scrubber wastewater generated during a scrubber cleaning operation using an exhaust gas recirculation unit 1 by recirculating a part of the exhaust gas for clarification; an EGR drain tank 13 for retaining wastewater, out of the scrubber wastewater in the buffer tank 5, which is increased in amount during the scrubber cleaning operation; and a centrifugal separator 15 for introducing the scrubber wastewater retained in the EGR drain tank 13 for clarification. The cleaning wastewater treatment apparatus supplies fresh water to the scrubber water to be supplied to the exhaust gas recirculation unit 1 from the buffer tank 5 via a scrubber pump 6, and has a pipeline for returning the scrubber water clarified with the centrifugal separator 15 back to a second buffer tank.SELECTED DRAWING: Figure 1

    【課題】スクラバ排水を一時的に貯留し、スクラバ排水が発生しない時間帯に海洋投棄できる程度まで汚染物質濃度を低下する、船舶排ガスの洗浄排水処理装置を提供する。【解決手段】船舶排ガスをスクラバ水で洗浄する洗浄部を有し、排ガスの一部を再循環して浄化する排ガス再循環ユニット1を用いたスクラバ洗浄運転の運転稼働中に発生したスクラバ排水を貯留するバッファタンク5と、バッファタンク5内のスクラバ排水のうちスクラバ洗浄運転中に増量した排水を貯留するEGRドレインタンク13と、EGRドレインタンク13に貯留されたスクラバ排水を導入して浄化を行う遠心分離機15とを有し、バッファタンク5からスクラバポンプ6を介して、排ガス再循環ユニット1に供給するスクラバ水に清水を供給し、遠心分離機15で浄化されたスクラバ水を第2バッファタンクに戻す配管を有する船舶排ガスの洗浄排水処理装置。【選択図】図1


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    Titel :

    CLEANING WASTEWATER TREATMENT APPARATUS OF MARINE VESSEL EXHAUST GAS


    Weitere Titelangaben:

    船舶排ガスの洗浄排水処理装置


    Beteiligte:
    SAKURAI SOICHIRO (Autor:in) / ITOYAMA TAKESHI (Autor:in) / YOSHIDA KATSUUMI (Autor:in) / ONZO KOTARO (Autor:in)

    Erscheinungsdatum :

    2022-03-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    C02F Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm , TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE / B01D SEPARATION , Trennen / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF



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