PROBLEM TO BE SOLVED: To provide a ballast water treatment apparatus which can effectively eliminate clogging of a filter.SOLUTION: A ballast water treatment apparatus includes: a filter 52 for filtering ballast water W1; a drainage line L32 of which one end is communicated with a primary side of the filter 52 and the other end is communicated with an external of a ship and by which the ballast water W11 is distributed from a secondary side to the primary side of the filter 52 as backwashing of the filter 52; a drainage flow rate detection part 32 which detects a drainage flow rate as a flow rate of the ballast water W11 distributing in the drainage line L32; a drainage flow rate adjustment part V33 which adjusts the drainage flow rate distributing in the drainage line L32; and a control part 9 which controls the drainage flow rate adjustment part V33 based on a detected drainage flow rate as the drainage flow rate detected by the drainage flow rate detection part 32.SELECTED DRAWING: Figure 1
【課題】フィルタの目詰まりを効果的に解消できるバラスト水処理装置を提供する。【解決手段】バラスト水W1を濾過するフィルタ52と、一端が前記フィルタ52の一次側に通じ、他端が船外に通じるように設けられ、前記フィルタ52の逆洗浄として、前記フィルタ52の二次側から一次側に向けてバラスト水W11を流通させる排水ラインL32と、排水ラインL32を流通するバラスト水W11の流量である排水流量を検出する排水流量検出部32と、排水ラインL32を流通する排水流量を調整する排水流量調整部V33と、排水流量検出部32で検出される排水流量である検出排水流量に基づいて、排水流量調整部V33を制御する制御部9と、を備える。【選択図】図1
BALLAST WATER TREATMENT APPARATUS
バラスト水処理装置
2017-11-24
Patent
Elektronische Ressource
Japanisch
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