KR101279836B1 - 전기부식 방지장치 - Google Patents
전기부식 방지장치 Download PDFInfo
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- KR101279836B1 KR101279836B1 KR1020120153045A KR20120153045A KR101279836B1 KR 101279836 B1 KR101279836 B1 KR 101279836B1 KR 1020120153045 A KR1020120153045 A KR 1020120153045A KR 20120153045 A KR20120153045 A KR 20120153045A KR 101279836 B1 KR101279836 B1 KR 101279836B1
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- South Korea
- Prior art keywords
- current
- capacitor
- rectifier
- present
- pipe
- Prior art date
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- 238000005260 corrosion Methods 0.000 title claims description 27
- 230000007797 corrosion Effects 0.000 title description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims 1
- 238000005536 corrosion prevention Methods 0.000 abstract description 19
- 229910052751 metal Inorganic materials 0.000 abstract description 18
- 239000002184 metal Substances 0.000 abstract description 18
- 238000009413 insulation Methods 0.000 description 18
- 230000006378 damage Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000004210 cathodic protection Methods 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/04—Controlling or regulating desired parameters
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/10—Electrodes characterised by the structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
또한 본 발명은 방식 전위를 유지하여 보호하고자 하는 금속체를 상대적으로 음극화함으로써, 해당 금속체의 부식을 방지할 수 있다.
Description
도 2는 본 발명의 일 실시예에 따른 전기부식 방지장치가 배관과 지면 사이에 설치된 경우를 나타내는 도면이다.
도 3은 본 발명의 일 실시예에 따른 전기부식 방지장치가 배관과 배관 사이, 및 배관과 지면 사이에 설치된 경우를 나타내는 도면이다.
10: 서지방전 소자 20: 정류부
22: 제1정류 소자 24: 제2정류 소자
30: 커패시터 40: 인덕터
50: 전원부
Claims (7)
- 서지(Surge) 전류를 방전시키는 서지방전 소자;
기준치 이상의 전류를 방전시키는 정류부; 및
교류 전류를 방전시키는 커패시터; 및
전원을 공급하는 전원부를 더 포함하되, 상기 서지방전 소자, 상기 정류부, 상기 커패시터 및 상기 전원부는 서로 병렬로 연결되는 것을 특징으로 하는 전기부식 방지장치.
- 삭제
- 제 1항에 있어서,
상기 정류부는 하나 이상의 다이오드로 이루어진 제1 및 제2정류 소자를 포함하되, 상기 제1정류 소자와 상기 제2정류 소자는 서로에 대해 역방향으로 병렬 연결되는 것을 특징으로 하는 전기부식 방지장치.
- 제 3항에 있어서,
상기 제1 및 제2정류 소자에 포함된 다이오드 수에 기초하여 상기 기준치 조절이 가능한 것을 특징으로 하는 전기부식 방지장치.
- 제 1항에 있어서,
상기 커패시터는 SCR(Silicon Controlled Rectifier)로 대체 가능한 것을 특징으로 하는 전기부식 방지장치.
- 제 1항에 있어서,
상기 서지방전 소자에 대해서 병렬로 연결되고 상기 정류 소자 및 상기 커패시터에 대해서 직렬로 연결된 인덕터를 더 포함하는 것을 특징으로 하는 전기부식 방지장치.
- 제 1항에 있어서,
상기 서지방전 소자는 산화금속 바리스터(MOV), 산화아연 바리스터(ZOV), 가스방전관(GDT), 제너 다이오드, 서지 어레스터 중 적어도 하나인 것을 특징으로 하는 전기부식 방지장치.
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KR1020120153045A KR101279836B1 (ko) | 2012-12-26 | 2012-12-26 | 전기부식 방지장치 |
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KR1020120153045A KR101279836B1 (ko) | 2012-12-26 | 2012-12-26 | 전기부식 방지장치 |
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KR1020120153045A KR101279836B1 (ko) | 2012-12-26 | 2012-12-26 | 전기부식 방지장치 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160003484U (ko) | 2015-10-01 | 2016-10-10 | 한국산업은행 | 등전위 본딩용 전기방식 장치의 dc 전력 노이즈 차단기 |
KR20200073660A (ko) | 2018-12-14 | 2020-06-24 | 주식회사 부성엘티에스 | 철제 프레임의 부식방지 장치 및 방법 |
KR20200126099A (ko) | 2019-04-29 | 2020-11-06 | 주식회사 부성엘티에스 | 부식방지 장치 |
KR20200129810A (ko) | 2019-05-10 | 2020-11-18 | 주식회사 부성엘티에스 | 부식방지 장치 및 부식방지 장치의 부착 확인장치 |
KR20220093532A (ko) * | 2020-12-28 | 2022-07-05 | 주식회사 한국가스기술공사 | 직류전류차단장치 점검키트 및 이의 동작 방법 |
US11598010B2 (en) | 2019-10-24 | 2023-03-07 | Canadian Auto Preservation Inc. | Two terminal corrosion protection device, system, and method |
Citations (4)
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US6469918B1 (en) | 1999-08-20 | 2002-10-22 | Omcon, Inc. | Solid state cathodic protection systems, methods for making and using same |
JP2004250779A (ja) * | 2002-12-27 | 2004-09-09 | Tokyo Gas Co Ltd | 埋設構造物の保安方法及び保安装置 |
JP2010265490A (ja) | 2009-05-12 | 2010-11-25 | Tokyo Gas Co Ltd | 選択排流器及び選択排流器の排流電流制限抵抗値決定方法 |
JP2011052246A (ja) | 2009-08-31 | 2011-03-17 | Tokyo Gas Co Ltd | 埋設パイプラインのカソード防食管理システム及びカソード防食管理方法 |
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2012
- 2012-12-26 KR KR1020120153045A patent/KR101279836B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US6469918B1 (en) | 1999-08-20 | 2002-10-22 | Omcon, Inc. | Solid state cathodic protection systems, methods for making and using same |
JP2004250779A (ja) * | 2002-12-27 | 2004-09-09 | Tokyo Gas Co Ltd | 埋設構造物の保安方法及び保安装置 |
JP2010265490A (ja) | 2009-05-12 | 2010-11-25 | Tokyo Gas Co Ltd | 選択排流器及び選択排流器の排流電流制限抵抗値決定方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160003484U (ko) | 2015-10-01 | 2016-10-10 | 한국산업은행 | 등전위 본딩용 전기방식 장치의 dc 전력 노이즈 차단기 |
KR200484154Y1 (ko) * | 2015-10-01 | 2017-08-07 | 한국산업은행 | 등전위 본딩용 전기방식 장치의 dc 전력 노이즈 차단기 |
KR20200073660A (ko) | 2018-12-14 | 2020-06-24 | 주식회사 부성엘티에스 | 철제 프레임의 부식방지 장치 및 방법 |
KR20200126099A (ko) | 2019-04-29 | 2020-11-06 | 주식회사 부성엘티에스 | 부식방지 장치 |
KR20200129810A (ko) | 2019-05-10 | 2020-11-18 | 주식회사 부성엘티에스 | 부식방지 장치 및 부식방지 장치의 부착 확인장치 |
US11598010B2 (en) | 2019-10-24 | 2023-03-07 | Canadian Auto Preservation Inc. | Two terminal corrosion protection device, system, and method |
KR20220093532A (ko) * | 2020-12-28 | 2022-07-05 | 주식회사 한국가스기술공사 | 직류전류차단장치 점검키트 및 이의 동작 방법 |
KR102487607B1 (ko) * | 2020-12-28 | 2023-01-10 | 주식회사 한국가스기술공사 | 직류전류차단장치 점검키트 및 이의 동작 방법 |
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