본 발명은 전기분해방식 선박평형수 처리장치에 관한 것으로, 선박평형수가 유입되는 복수개의 밸러스트 탱크들; 상기 밸러스트 탱크로 공급되는 상기 선박평형수 메인 스트림(main stream); 상기 선박평형수 메인 스트림에서 분기된 선박평형수 사이드 스트림(side stream); 상기 선박평형수 사이드 스트림을 전기분해하기 위한 전해조; 상기 전해조로 유입되는 선박평형수 사이드 스트림의 염분도를 측정하는 제1 염분도 측정수단; 상기 밸러스트 탱크들 중 적어도 하나로 유입되는 선박평형수의 염분도를 측정하는 제2 염분도 측정수단; 및 상기 제1 염분도 측정수단에서 측정된 염분도가 임계값보다 작은 경우, 상기 제2 염분도 측정수단에서 측정된 염분도 값을 근거로 하여 상기 복수개의 밸러스트 탱크중 하나로부터 선박평형수를 상기 전해조로 공급하도록 제어하는 제어기;를 포함하여 구성됨으로써, 염분도가 낮은 해수가 유입될 때에 효과적으로 전기분해할 수 있도록 하는 효과가 있다.

    Provided is an apparatus for treating ballast water by using electrolysis. The apparatus includes: a plurality of ballast tanks into which ballast water is introduced; a main stream of the ballast water supplied to the ballast tank; a side stream of the ballast water branched from the main stream of the ballast water; an electrolytic cell configured to perform electrolysis of the side stream of the ballast water; a first salinity measuring unit configured to measure a salinity of the side stream of the ballast water introduced into the electrolytic cell; a second salinity measuring unit configured to measure a salinity of ballast water introduced into at least one of the ballast tanks; and a controller configured to control to supply the ballast water to the electrolytic cell from one of the plurality of ballast tanks based on the salinity of ballast water measured by the second salinity measuring unit, when the salinity of the side stream of the ballast water measured by the first salinity measuring unit is less than a threshold value.


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    Title :

    Apparatus and method for treating ballast water by using electrolysis


    Additional title:

    전기분해방식 선박평형수 처리장치 및 방법


    Publication date :

    2017-07-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / C02F Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm , TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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