PROBLEM TO BE SOLVED: To provide a ballast water treatment apparatus which can effectively eliminate filter clogging by back washing in a simple configuration.SOLUTION: The ballast water treatment apparatus is provided that comprises: a filter 52; an introduction line L1; a line L11 through which ballast water W2 filtrated by the filter 52 flows; flow rate adjustment means (valve V12) which adjusts a flow rate of ballast water W2 flowing in the line 11; and flow rate control means (control part 9) which controls the flow rate adjustment means V12. The flow rate control means 9, in a situation where the filtering capability of the filter 52 is decreased, controls the flow rate adjustment means V12 so as to increase the pressure on a secondary side of the filter 52 by decreasing the flow rate of the ballast water W2, and the filter 52 is then subjected to backwash with the pressure on the secondary side of the filter 52 having been increased.SELECTED DRAWING: Figure 1

    【課題】簡単な構成でフィルタの目詰まりを逆洗により効果的に解消することができるバラスト水処理装置を提供すること。【解決手段】フィルタ52と、導入ラインL1と、フィルタ52で濾過されたバラスト水W2が流通するラインL11と、ラインL11を流通するバラスト水W2の流量を調整する流量調整手段(バルブV12)と、流量調整手段V12を制御する流量制御手段(制御部9)と、を備え、流量制御手段9は、フィルタ52の濾過能力が低下した状況になると、バラスト水W2の流量を減少させてフィルタ52の二次側の圧力を増加させるように、流量調整手段V12を制御し、フィルタ52の二次側の圧力が増加した状態においてフィルタ52の逆洗が行われるバラスト水処理装置。【選択図】図1


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    Titel :

    BALLAST WATER TREATMENT APPARATUS


    Weitere Titelangaben:

    バラスト水処理装置


    Beteiligte:
    TANGE TOMOAKI (Autor:in) / HIRAKI YOSHINOBU (Autor:in)

    Erscheinungsdatum :

    2017-06-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B01D SEPARATION , Trennen



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