KR20190124790A - 생물 부착 억제 방법 및 생물 부착 억제 장치 - Google Patents
생물 부착 억제 방법 및 생물 부착 억제 장치 Download PDFInfo
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Abstract
Description
도 2는 본 개시의 실시형태에 있어서, 준비 공정을 설명하기 위한 도면이다.
도 3은 본 개시의 실시형태에 있어서, 통전 공정을 설명하기 위한 도면이다.
도 4는 본 개시의 실시형태에 있어서, 생물 부착 억제 대상 부재의 전위와, 전류 밀도의 관계를 나타낸 모식도이다.
도 5는 본 개시의 실시형태에 있어서, 생물 부착 억제 장치의 구성을 나타낸 도면이다.
도 6은 본 개시의 실시형태에 있어서, 선박용 프로펠러를 위한 생물 부착 억제 장치를 설명하기 위한 도면이다.
도 7은 본 개시의 실시형태에 있어서, 정수(靜水) 환경 하에서의 공시체(供試體)의 분극 특성을 나타낸 그래프이다.
도 8은 본 개시의 실시형태에 있어서, 유수(流水) 환경 하에서의 공시체의 분극 특성을 나타낸 그래프이다.
도 9는 본 개시의 실시형태에 있어서, 공시체의 외관 관찰 결과를 나타낸 사진이다.
Claims (14)
- 수중에서의 생물의 부착을 억제하는 생물 부착 억제 방법으로서,
상기 수중에 침지(浸漬)되고, 동(銅) 합금으로 형성된 생물 부착 억제 대상 부재를 음극으로 하고, 상기 생물 부착 억제 대상 부재의 대극(對極)을 구성하는 양극 부재를 상기 수중에 침지시켜 배치하는 준비 공정, 및
상기 생물 부착 억제 대상 부재와 상기 양극 부재 사이에, 직류 전류를 통전(通電)하는 통전 공정
을 포함하는 생물 부착 억제 방법. - 제1항에 있어서,
상기 통전 공정은, 상기 생물 부착 억제 대상 부재와 상기 양극 부재 사이에, 물의 전기분해 개시 시의 전류 밀도 이상으로 통전하는, 생물 부착 억제 방법. - 제2항에 있어서,
상기 통전 공정은, 상기 생물 부착 억제 대상 부재와 상기 양극 부재 사이에, 물의 전기분해 개시 시의 전류 밀도 이상 2.5A/m2 이하로 통전하는, 생물 부착 억제 방법. - 제2항에 있어서,
상기 동 합금은 알루미늄을 포함하고,
상기 통전 공정은, 상기 생물 부착 억제 대상 부재와 상기 양극 부재 사이에, 물의 전기분해 개시 시의 전류 밀도 이상 20A/m2 이하로 통전하는, 생물 부착 억제 방법. - 제2항 내지 제4항 중 어느 한 항에 있어서,
상기 통전 공정은, 0.06A/m2 이상의 전류 밀도로 통전하는, 생물 부착 억제 방법. - 제2항 내지 제4항 중 어느 한 항에 있어서,
상기 통전 공정은, 0.24A/m2 이상의 전류 밀도로 통전하는, 생물 부착 억제 방법. - 제1항 내지 제6항 중 어느 한 항에 있어서,
상기 동 합금은 알루미늄 청동인, 생물 부착 억제 방법. - 제1항 내지 제7항 중 어느 한 항에 있어서,
상기 생물 부착 억제 대상 부재는 선박용 프로펠러인, 생물 부착 억제 방법. - 제8항에 있어서,
상기 준비 공정은, 상기 수중에 참조 전극을 더 침지시켜 배치하고,
상기 통전 공정은, 상기 참조 전극에 대한 상기 선박용 프로펠러의 전위를 일정하게 유지하여, 상기 선박용 프로펠러와 상기 양극 부재 사이에, 직류 전류를 통전하는, 생물 부착 억제 방법. - 제8항에 있어서,
상기 준비 공정은, 흘수선의 위치를 측정하는 수위 센서를 더 배치하고,
상기 통전 공정은, 상기 수위 센서에 의해 측정된 흘수선의 위치로부터 흘수선 이하의 잠수한 프로펠러 면적을 구하고, 전류 밀도를 일정하게 하기 위하여, 상기 잠수한 프로펠러 면적에 따라, 상기 선박용 프로펠러와 상기 양극 부재 사이에 통전하는 직류 전류의 전류량을 변화시키는, 생물 부착 억제 방법. - 수중에서의 생물의 부착을 억제하는 생물 부착 억제 장치로서,
상기 수중에 침지되고, 음극이 되는 동 합금으로 형성된 생물 부착 억제 대상 부재의 대극을 구성하는 양극 부재,
상기 생물 부착 억제 대상 부재와 상기 양극 부재에 전기적 접속되는 전원, 및
상기 전원을 제어하여, 상기 생물 부착 억제 대상 부재와 상기 양극 부재 사이에, 직류 전류를 통전하는 제어부
를 포함하는 생물 부착 억제 장치. - 제11항에 있어서,
상기 제어부는, 상기 전원을 제어하여, 상기 생물 부착 억제 대상 부재와 상기 양극 부재 사이에, 물의 전기분해 개시 시의 전류 밀도 이상으로 통전하는, 생물 부착 억제 장치. - 제11항 또는 제12항에 있어서,
상기 생물 부착 억제 대상 부재는 선박용 프로펠러인, 생물 부착 억제 장치. - 제13항에 있어서,
상기 선박용 프로펠러는, 선체의 선미(船尾) 측에 배치되어 있고,
상기 양극 부재는, 상기 선박용 프로펠러의 선폭(船幅) 방향으로부터 선미 방향에 걸쳐, 상기 선박용 프로펠러를 에워싸도록 설치되어 있는, 생물 부착 억제 장치.
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| JP2017062654 | 2017-03-28 | ||
| JPJP-P-2017-062654 | 2017-03-28 | ||
| PCT/JP2018/012724 WO2018181464A1 (ja) | 2017-03-28 | 2018-03-28 | 生物付着抑制方法及び生物付着抑制装置 |
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| JP2003105576A (ja) * | 2001-09-28 | 2003-04-09 | Pentel Corp | 電気化学的防汚方法 |
| JP2012036614A (ja) | 2010-08-05 | 2012-02-23 | Ihi Corp | 生物付着防止方法及び生物付着防止装置 |
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| GB191415219A (en) * | 1914-06-25 | 1915-06-10 | David Brown | Improvements in the Construction of Propeller Blades. |
| US2200469A (en) * | 1939-11-08 | 1940-05-14 | Cox George Chandler | Anticorrosive and antifouling coating and method of application |
| US2791096A (en) * | 1953-07-24 | 1957-05-07 | Int Nickel Co | Protectively sheathed structure exposed to sea water |
| GB1597305A (en) * | 1977-05-25 | 1981-09-03 | Riffe W J | Marine potentiometric antifouling and anticorrosion device |
| JPS5737091A (en) * | 1980-08-14 | 1982-03-01 | Mitsubishi Heavy Ind Ltd | Adhesion-proofing process of ship |
| JPH0673897A (ja) * | 1992-08-25 | 1994-03-15 | Denki Kagaku Kogyo Kk | コンクリートの再生方法 |
| JP3321772B2 (ja) * | 1994-11-02 | 2002-09-09 | 井澗 順 | 船舶の電気防食装置 |
| US7131877B1 (en) * | 2004-03-24 | 2006-11-07 | Brunswick Corporation | Method for protecting a marine propulsion system |
| JP4370469B2 (ja) * | 2004-11-04 | 2009-11-25 | 株式会社日立製作所 | 放射性汚染物の除染装置及び除染方法 |
| JP5022345B2 (ja) * | 2008-11-21 | 2012-09-12 | 三菱重工業株式会社 | 船体摩擦抵抗低減装置 |
| DE102009008069B4 (de) * | 2009-02-04 | 2011-02-24 | Tkms Blohm + Voss Nordseewerke Gmbh | Vorrichtung zum Bewuchs- und Korrosionsschutz vor Seewassereintritten in Schiffen |
| AU2010329601A1 (en) * | 2009-12-10 | 2012-07-05 | Geco Technology B.V. | Systems and methods for marine anti-fouling |
| US20170217549A9 (en) * | 2010-07-06 | 2017-08-03 | Biofouling Solutions, Inc. | Formable aquatic coverings for preventing biofouling |
| JP6112649B2 (ja) * | 2012-09-03 | 2017-04-12 | ナカシマプロペラ株式会社 | 船舶用プロペラ |
-
2018
- 2018-03-28 SG SG11201908749X patent/SG11201908749XA/en unknown
- 2018-03-28 EP EP18775742.2A patent/EP3604111A4/en active Pending
- 2018-03-28 JP JP2019509967A patent/JP6893238B2/ja active Active
- 2018-03-28 CN CN201880019212.0A patent/CN110461705B/zh active Active
- 2018-03-28 KR KR1020197030043A patent/KR102260292B1/ko active Active
- 2018-03-28 WO PCT/JP2018/012724 patent/WO2018181464A1/ja not_active Ceased
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2019
- 2019-09-24 US US16/580,899 patent/US20200017178A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH042591A (ja) * | 1990-04-18 | 1992-01-07 | Mitsubishi Heavy Ind Ltd | プロペラーの防食防汚装置 |
| JP2003105576A (ja) * | 2001-09-28 | 2003-04-09 | Pentel Corp | 電気化学的防汚方法 |
| JP2012036614A (ja) | 2010-08-05 | 2012-02-23 | Ihi Corp | 生物付着防止方法及び生物付着防止装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110461705A (zh) | 2019-11-15 |
| JPWO2018181464A1 (ja) | 2020-05-14 |
| EP3604111A4 (en) | 2021-01-13 |
| SG11201908749XA (en) | 2019-10-30 |
| EP3604111A1 (en) | 2020-02-05 |
| JP6893238B2 (ja) | 2021-06-23 |
| CN110461705B (zh) | 2021-10-15 |
| WO2018181464A1 (ja) | 2018-10-04 |
| KR102260292B1 (ko) | 2021-06-03 |
| US20200017178A1 (en) | 2020-01-16 |
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