To provide a corrosion prevention apparatus that makes it possible to prevent corrosion of navigation body caused by UEP.SOLUTION: The corrosion prevention apparatus 100 comprises: a plurality of sacrificial electrodes (111, 112) arranged in a conductive hull 2 provided with a screw propeller 3; a variable resistor 120 provided between the conductive hull 2 and the sacrificial electrodes (112, 113); a DC power source 130 for applying voltage to the plurality of sacrificial electrodes (111, 112) via the variable resistor 120; an external power source anode 131 connected to the anode of the DC power source 130; and a control unit 140 for adjusting the resistance value of the variable resistor 120 and control the DC power source 130.SELECTED DRAWING: Figure 1
【課題】UEPに起因する航行体の腐食を防止すること。【解決手段】腐食防止装置100は、スクリュープロペラ3が設けられている導電性船体2に配置された複数の犠牲電極(111,112)と、導電性船体2と、犠牲電極(112,113)との間に設けられた可変抵抗器120と、複数の犠牲電極(111,112)に可変抵抗器120を介して電圧を与える直流電源130と、直流電源130の陽極に接続された外部電源陽極131と、可変抵抗器120の抵抗値を調整し、直流電源130を制御する制御部140と、を備える。【選択図】図1
CORROSION PREVENTION APPARATUS, NAVIGATION BODY, CORROSION PREVENTION METHOD, AND METHOD FOR PREVENTING CORROSION OF NAVIGATION BODY
腐食防止装置、航行体、腐食防止方法、および航行体の腐食防止方法
2019-09-19
Patent
Electronic Resource
Japanese
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