KR910003153A - Cathodic type device of metal surface submerged in liquid electrolyte - Google Patents

Cathodic type device of metal surface submerged in liquid electrolyte Download PDF

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Publication number
KR910003153A
KR910003153A KR1019900011135A KR900011135A KR910003153A KR 910003153 A KR910003153 A KR 910003153A KR 1019900011135 A KR1019900011135 A KR 1019900011135A KR 900011135 A KR900011135 A KR 900011135A KR 910003153 A KR910003153 A KR 910003153A
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KR
South Korea
Prior art keywords
casing
sacrificial anode
fixed
electrolyte
wall
Prior art date
Application number
KR1019900011135A
Other languages
Korean (ko)
Inventor
피취 귄터
본 베르젠 에른스트-페터
Original Assignee
미카엘 바우마우어, 프리츠 디트리히 브뤼닝
브롬 운트 보스 아게
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Publication date
Application filed by 미카엘 바우마우어, 프리츠 디트리히 브뤼닝, 브롬 운트 보스 아게 filed Critical 미카엘 바우마우어, 프리츠 디트리히 브뤼닝
Publication of KR910003153A publication Critical patent/KR910003153A/en

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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
    • 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

Abstract

내용 없음.No content.

Description

액체상 전해질중에 잠긴 금속표면의 음극방식 장치Cathodic type device of metal surface submerged in liquid electrolyte

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 부쉬상에 고정된 희생 양극을 구비한 시일 장치를 프로펠라 샤프트 축방향에 연하여 취한 종단면도.1 is a longitudinal cross-sectional view of a sealing device having a sacrificial anode fixed on a bush in connection with the propeller shaft axial direction;

제2도는 희생양극을 에워싸는 케이싱의 횡단면도.2 is a cross-sectional view of the casing surrounding the sacrificial anode.

Claims (8)

액체상의 전해질 중에, 특히, 해수중에 잠긴 금속 표면, 특히 선박의 선미관(船尾管) 시일장치를, 상기 전해질에 대해 상대적으로 고속으로 운동하는 부분, 특히 선박의 프로펠라 샤프트상에 고정된 적어도 1개의 희생 양극을 이용하여 음극 방식시키기 위한 장치에 있어서, 상기 희생 양극을 에워싸고 상기 희생 양극에 대해서 전기적으로 절연된 케이싱을 설치하고, 상기 케이싱의 벽을 적어도 상기 희생 양극의 일측면에 있어서, 상기 희생 양극으로부터 떨어지게 위치시키고, 상기 희생 양극으로부터 떨어져 위치하는 케이싱의 벽에 전해질을 통과시키기 위한 오리피시를 형성하고, 상기 케이싱의 오리피스가 형서된 상기 희생 양극과의 간격 및/또는 상기 케이싱의 오리피스가 형성된 내측면에 있는 상기 오리피스의 점유 면적의 비율을 상기 희생 양극을 포함하는 케이싱의 상기 프로펠라 샤프트의 운전에 수반하는 운동중, 특히 회전중에 있어서 상기 케이싱 내에 있는 전해질의 유속 0.3m/초를 초과하지 않도록 선택한 것을 특징으로 하는 방식장치.At least one part of the liquid electrolyte, in particular a metal surface submerged in seawater, in particular a stern tube sealing device of the ship, which moves relatively fast relative to the electrolyte, in particular on the propeller shaft of the ship An apparatus for cathodic protection using a sacrificial anode, comprising: providing a casing surrounding the sacrificial anode and electrically insulated from the sacrificial anode, the wall of the casing being at least on one side of the sacrificial anode; Positioned away from the anode, forming an orifice for passing electrolyte through a wall of the casing positioned away from the sacrificial anode; The ratio of the occupied area of the orifice on the medial side to the sacrificial amount Of the movement caused by the operation of the propeller shaft of the casing, in particular in the rotary system and wherein the selected flow rate does not exceed 0.3m / sec of the electrolyte in it said casing comprising a. 제1항에 있어서, 상기 선박이 상기 프로펠라 샤프트에 대한 축수(軸受) 부쉬를 가지고 있고, 상기 희생 양극을 에워싸는 케이싱의 고정위치가 상기 시일 장기의 크롬강제 부쉬의 고정플랜지 상에 있는 것을 특징으로 하는 장치.2. The vessel according to claim 1, wherein the vessel has an axle bush with respect to the propeller shaft, and a fixed position of a casing surrounding the sacrificial anode is on a fixed flange of the chrome steel bush of the seal organ. Device. 제1항 또는 제2항에 있어서, 상기 케이싱이 금속제이고, 상기 희생 양극에 대한 전기적인 절연이 상기 케이싱 및 상기 희생 양극 사이에 배치된 절연재로 되어 있는 중간 층에 의해 이루어져 있는 것을 특징으로 하는 장치.The device according to claim 1 or 2, wherein the casing is made of metal and the electrical insulation to the sacrificial anode is made of an intermediate layer made of an insulating material disposed between the casing and the sacrificial anode. . 제1항 또는 제2항에 있어서, 상기 케이싱이 절연제, 특히 플라스틱으로 이루어져 있음으로써 상기 케이싱의 상기 희생 양극에 대한 전기적인 절연이 달성되는 것을 특징으로 하는 장치.Apparatus according to claim 1 or 2, characterized in that the electrical insulation to the sacrificial anode of the casing is achieved by the casing being made of insulation, in particular plastic. 제1항 또는 제3항 중 어느 한 항에 있어서, 상기 케이싱이 직육면체 형상이고, 상기 케이싱의 오리피스가 형성된 벽의재측 벽면과 상기 희생양극의 측면과의 간격이 상기 케이싱의 전체높이 약 30％로 되고, 상기 오피리스가 약 30％의 면적을 점하고 있는 것을 특징으로 하는 장치.The casing according to any one of claims 1 to 3, wherein the casing has a rectangular parallelepiped shape, and an interval between the side wall of the sacrificial anode and the side wall of the wall where the orifice of the casing is formed is approximately 30% of the total height of the casing. And the opiris occupies an area of about 30%. 제1항 내지 제5항중 어느 한 항에 있어서, 상기 희생 양극이 프로펠라에 고정되어 있는 것을 특징으로 하는 장치.The device according to any one of claims 1 to 5, wherein the sacrificial anode is fixed to a propeller. 제1항 내지 제5항중 어느 한 항에 있어서, 상기 희생 양극이 부쉬의 원주형 부분에 고정되어 있는 것을 특징으로 하는 장치.The device according to any one of claims 1 to 5, wherein the sacrificial anode is fixed to the columnar portion of the bush. 제1항 내지 제5항중 어느 한 항에 있어서, 상기 희생 양극이 시일 장치의 하우징에 고정되어 있는 것을 특징으로 하는 장치.The device according to any one of claims 1 to 5, wherein the sacrificial anode is fixed to the housing of the sealing device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900011135A 1989-07-21 1990-07-21 Cathodic type device of metal surface submerged in liquid electrolyte KR910003153A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP39241580 1989-07-21
DE3924158A DE3924158A1 (en) 1989-07-21 1989-07-21 DEVICE FOR CATHODICAL CORROSION PROTECTION OF IN A LIQUID ELECTROLYTE, PREFERABLY SEAWATER, SUBMERSIBLE METAL AREAS, PREFERABLY ON THE STEVEN PIPE SEAL OF A SHIP

Publications (1)

Publication Number Publication Date
KR910003153A true KR910003153A (en) 1991-02-27

Family

ID=6385540

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900011135A KR910003153A (en) 1989-07-21 1990-07-21 Cathodic type device of metal surface submerged in liquid electrolyte

Country Status (7)

Country Link
JP (1) JPH03104890A (en)
KR (1) KR910003153A (en)
CN (1) CN1049533A (en)
DE (1) DE3924158A1 (en)
GB (1) GB2233981B (en)
NL (1) NL9001663A (en)
SE (1) SE9002368L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100460044B1 (en) * 2002-09-09 2004-12-04 윌로펌프 주식회사 Water supplying pump for seawater

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101905913A (en) * 2010-07-29 2010-12-08 中国船舶重工集团公司第七二五研究所 Propeller shore-based electrolytic seawater antifouling system and method
DE102013213853A1 (en) * 2013-07-16 2015-01-22 Aktiebolaget Skf Corrosion protected bearing component and bearing arrangement
EP4045697A1 (en) * 2019-10-18 2022-08-24 Volvo Penta Corporation Cathodic protection and anti-fouling arrangement and method
CN114131126A (en) * 2021-11-14 2022-03-04 中国航发沈阳黎明航空发动机有限责任公司 Flow field protection device for large-allowance electrolytic machining

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146448A (en) * 1974-07-31 1979-03-27 Kobe Steel, Limited Protection of a stern tube shaft liner
US4133737A (en) * 1977-06-27 1979-01-09 Exxon Research & Engineering Co. Shielded anodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100460044B1 (en) * 2002-09-09 2004-12-04 윌로펌프 주식회사 Water supplying pump for seawater

Also Published As

Publication number Publication date
JPH03104890A (en) 1991-05-01
NL9001663A (en) 1991-02-18
SE9002368L (en) 1991-01-22
GB2233981A (en) 1991-01-23
GB2233981B (en) 1993-09-01
DE3924158A1 (en) 1991-01-24
SE9002368D0 (en) 1990-07-05
CN1049533A (en) 1991-02-27
GB9015716D0 (en) 1990-09-05

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