PROBLEM TO BE SOLVED: To provide a ballast water treatment system capable of cleaning a filter with no human intermediary and a control method for the same.SOLUTION: A ballast water treatment system comprises a filtrate water channel, a filtration equipment that includes a filter that filters treatment object water and a filtrate water channel, a circulation channel branched from the filtrate water channel to be connected to a treatment object water channel, a first tank connected to the circulation channel to reserve a chlorine-based cleaning liquid, a second tank connected to the circulation channel to reserve a neutralization liquid, a valve for introducing the cleaning liquid out of the first tank into the circulation channel, a valve for introducing the neutralization liquid out of the second tank into the circulation channel, an ultraviolet irradiator including an ultraviolet lamp, a valve provided in the filtrate water channel between the branch part of the filtrate water channel and the circulation channel and the ultraviolet irradiator, a pump that circulates a liquid through the circulation channel, an exhaust channel branched from the circulation channel to exhaust the cleaning liquid and the neutralization liquid, and a valve for opening the exhaust channel.SELECTED DRAWING: Figure 11
【課題】人手を介することなくフィルタを洗浄することが可能なバラスト水処理システムおよびその制御方法を提供する。【解決手段】バラスト水処理システムは、濾過水流路と、被処理水を濾過するフィルタと、濾過水流路とを含む濾過装置と、濾過水流路から分岐して被処理水流路に接続される循環流路と、循環流路に接続されて塩素系の洗浄液を貯留する第1のタンクと、循環流路に接続されて中和液を貯留する第2のタンクと、洗浄液を第1のタンクから循環流路に導入するためのバルブと、中和液を第2のタンクから循環流路に導入するためのバルブと、紫外線ランプを含む紫外線照射装置と、濾過水流路において濾過水流路および循環流路の分岐部と紫外線照射装置との間に設けられたバルブと、液体を循環流路で循環させるポンプと、循環流路から分岐して洗浄液および中和液を排出する排水流路と、排水流路を開くためのバルブとを備える。【選択図】図11
BALLAST WATER TREATMENT SYSTEM AND CONTROL METHOD FOR THE SAME
バラスト水処理システムおよびその制御方法
2017-07-27
Patent
Electronic Resource
Japanese
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