PROBLEM TO BE SOLVED: To provide a ballast water treatment apparatus capable of properly regulating protection current.SOLUTION: A ballast water treatment apparatus 1 comprises: a metal filter 3 for filtering water to be treated; an anode material 10 composed of a metal different from a metal composing the metal filter 3 and supplying protection current, caused by an electric potential difference between it and the metal filter 3, to the metal filter 3; an ammeter 20 detecting the protection current supplied to the metal filter 3; and resistance change means 22 changing the resistance of a circuit, through which the protection current supplied to the anode material 10 flows, based on the protection current detected by the ammeter 20.SELECTED DRAWING: Figure 1
【課題】防食電流を適切に調整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】バラスト水処理装置1は、被処理水を濾過処理する金属フィルタ3と、金属フィルタ3を構成する金属と異なる金属で構成され、金属フィルタ3との電位差により金属フィルタ3に防食電流を供給する陽極材10と、金属フィルタ3に供給される防食電流を検出する電流計20と、電流計20により検出された防食電流に基づいて、陽極材10に供給される防食電流が流通する回路の抵抗を変化させる抵抗変化手段22と、を備える。【選択図】図1
BALLAST WATER TREATMENT APPARATUS
バラスト水処理装置
2016-02-08
Patent
Electronic Resource
Japanese
IPC: | C23F Nichtmechanisches Entfernen metallischer Stoffe von Oberflächen , NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / C02F Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm , TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
Ballast water treatment apparatus and ballast water treatment system
European Patent Office | 2023
|BALLAST WATER TREATMENT APPARATUS AND BALLAST WATER TREATMENT SYSTEM
European Patent Office | 2020
|BALLAST WATER TREATMENT APPARATUS AND BALLAST WATER TREATMENT SYSTEM
European Patent Office | 2024
|BALLAST WATER TREATMENT APPARATUS AND BALLAST WATER TREATMENT SYSTEM
European Patent Office | 2019
|BALLAST WATER TREATMENT APPARATUS AND BALLAST WATER TREATMENT METHOD
European Patent Office | 2020
|