PROBLEM TO BE SOLVED: To provide a device for treating ballast water capable of accurately determining deterioration of an ultraviolet ray lamp.SOLUTION: The device for treating ballast water of this invention comprises: an ultraviolet ray lamp (30); an ultraviolet sensor (31) measuring illuminance of an ultraviolet ray from the ultraviolet ray lamp (30) via the ballast water; and control means (5) for controlling an output of the ultraviolet ray lamp (30) according to the illuminance of an ultraviolet ray measured by the ultraviolet sensor (31). The device for treating ballast water of this invention further comprises: light-emitting means (7) for radiating light having a wavelength longer than the wavelength of the ultraviolet ray radiated by the ultraviolet ray lamp (30); and an optical sensor (8) measuring illuminance of the light from the light-emitting means (7) via the ballast water. The control means (5) refers to the illuminance of the light measured by the optical sensor (8) and determines whether the illuminance of the ultraviolet ray lamp (30) lowers or not.SELECTED DRAWING: Figure 2

    【課題】紫外線ランプの劣化を正確に判定することのできるバラスト水処理装置を提供する。【解決手段】本発明によれば、紫外線ランプ(30)と、前記紫外線ランプ(30)からの紫外線の照度を前記バラスト水を介して測定する紫外線センサ(31)と、当該紫外線センサ(31)が測定する紫外線の照度に応じて前記紫外線ランプ(30)の出力を制御する制御手段(5)とを備えたバラスト水処理装置であって、前記紫外線ランプ(30)が照射する紫外線よりも波長の長い光を照射する発光手段(7)と、前記発光手段(7)からの光の照度を前記バラスト水を介して測定する光センサ(8)とをさらに備え、前記制御手段(5)は、前記光センサ(8)が測定した光の照度を参照して、前記紫外線ランプ(30)の照度が低下しているかどうかを判定する、バラスト水処理装置が提供される。【選択図】図2


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    Titel :

    DEVICE FOR TREATING BALLAST WATER AND METHOD FOR DETECTING DETERIORATION OF ULTRAVIOLET RAY LAMP


    Weitere Titelangaben:

    バラスト水処理装置及び紫外線ランプの劣化検出方法


    Beteiligte:
    TANGE TOMOAKI (Autor:in)

    Erscheinungsdatum :

    2018-06-21


    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 / 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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