PROBLEM TO BE SOLVED: To provide a ballast water treatment apparatus and method for suppressing or preventing the occurrence of operational defects in ballast water treatment using an aqueous solution prepared by dissolving a chlorine type chemical in water as a sterilizing agent.SOLUTION: A ballast water treatment apparatus includes a ballast pump 5 provided in the ballast water pipe 4, a filter device 6 provided on the downstream side of the ballast pump, a sterilizing agent supply device 20 for supplying a chlorine type sterilizing agent into the ballast water pipe, a sterilizing agent supply device, and a control device 40 for controlling the valve of the ballast water piping. The sterilizing agent supply device has a sterilizing agent dissolving device 21 for producing an aqueous solution in which solid chlorine type chemical is dissolved in fresh water by the fresh water supply line 21 J as a chlorine type sterilizing agent and a sterilizing agent pump 23 for supplying a chlorine type sterilizing agent to the ballast water piping. The control device controls the on-off valve V 3 on the outlet side of the filtering device, the opening and closing valve V 10 in the filtering device backwashing drain pipe 11, the sterilizing agent dissolving device 21, and the sterilizing agent pump, so as to perform a fresh water replacement operation for discharging the sterilizing agent residue in the sterilizing agent supply device with fresh water and delivering it to the ballast water piping.SELECTED DRAWING: Figure 1

    【課題】塩素系薬剤を水に溶解した水溶液を殺菌剤とするバラスト水処理における動作不具合の発生を抑制又は防止するバラスト水処理装置及び方法を提供する。【解決手段】バラスト水配管4に設けられたバラストポンプ5と、バラストポンプの下流側に設けられた濾過装置6と、バラスト水配管内へ塩素系殺菌剤を供給する殺菌剤供給装置20と、殺菌剤供給装置及びバラスト水配管の弁を制御する制御装置40とを備え、殺菌剤供給装置は、清水供給ライン21Jによる清水に固形塩素系薬剤を溶解した水溶液を塩素系殺菌剤として生成する殺菌剤溶解装置21と、塩素系殺菌剤をバラスト水配管に供給する殺菌剤ポンプ23とを有し、制御装置は、殺菌剤供給装置内の殺菌剤残留物を清水で払い出してバラスト水配管へ送出する清水置換運転を行うように、濾過装置出口側の開閉弁V3、濾過装置逆洗浄排水管11の開閉弁V10、殺菌剤溶解装置21、殺菌剤ポンプを制御する。【選択図】図1


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    Titel :

    BALLAST WATER TREATMENT APPARATUS AND BALLAST WATER TREATMENT METHOD


    Weitere Titelangaben:

    バラスト水処理装置及びバラスト水処理方法


    Beteiligte:
    OKAI KAZUYA (Autor:in) / YANAGI KEIICHIRO (Autor:in) / NAGAFUJI MASANORI (Autor:in) / SHIMONO YUSUKE (Autor:in)

    Erscheinungsdatum :

    2018-08-30


    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 / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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