CN107326367B - In-service offshore platform tension type impressed current cathodic protection and monitoring device and method - Google Patents
In-service offshore platform tension type impressed current cathodic protection and monitoring device and method Download PDFInfo
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- CN107326367B CN107326367B CN201710556112.9A CN201710556112A CN107326367B CN 107326367 B CN107326367 B CN 107326367B CN 201710556112 A CN201710556112 A CN 201710556112A CN 107326367 B CN107326367 B CN 107326367B
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- Prior art keywords
- cable
- impressed current
- offshore platform
- composite cable
- power supply
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- 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
- C23F13/20—Conducting electric current to electrodes
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- 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
- C23F13/22—Monitoring arrangements therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The present invention relates to a kind of in-service offshore platform tension type impressed current cathodic protections and monitoring device and method; it is characterized by: it includes a composite cable; integrally disposed several impressed current anodes and reference electrode are spaced on composite cable; composite cable upper end is connected with top fixture; composite cable lower end is connected by lifting lug with the gravity foundation being placed on sea bed, and composite cable is in tensioning state；Top fixture is fixed on the works rod piece more than the water surface, and the upper end is connected with power supply and data collector respectively by impressed current anode cable and reference electrode cable；Power supply is used to power for each impressed current anode, and electric current reaches offshore platform surface through seawater, and offshore platform is connected with power cathode makes offshore platform that cathode variation occur；Data collector is periodically acquired and is stored to the potential data of offshore platform by reference electrode.The present invention can be widely applied to the impressed current cathodic protection field of in-service offshore platform He other steel buildings.
Description
Technical field
The invention belongs to impressed current cathodic protection fields, are powered on more particularly to outside a kind of in-service offshore platform tension type
Flow cathodic protection and monitoring device and method.
Background technique
Cathodic protection is the anti-corrosion measure that offshore platform must be taken, and newly-built offshore platform generallys use sacrificial anode cathode
Protection Code.If in-service offshore platform needs to extend active time, but sacrificial anode has run out of, and needs to extend cathodic protection
Sacrificial anode protection cathode protection method and impressed current cathodic protection method can be used in active time.Sun is sacrificed due to installing under water
Pole it is costly, it is very prominent using the advantage of impressed current cathodic protection method.It is auxiliary in the process of impressed current protection
Supporing yang pole connects DC power anode, issues electric current, reaches offshore platform surface, platform and DC power cathode phase by seawater
Company makes offshore platform overall structure that cathodic polarization occur, to prevent integrally-built corrosion.Using impressed current method, need to pacify
Assembling platform cathodic protection monitoring system adjusts the output electric current of impressed current system, according to monitoring result to ensure plateau potential
In reasonable range.Impressed current anode is placed on by remote ground formula impressed current device to be had on the sea bed of certain distance with platform,
It is connected by the power supply of impressed current cable and platform upper.In marine environment, due to the effect of stormy waves stream, impressed current
It is kept in motion with cable, may cause the damage of impressed current cable.To guarantee that impressed current is taken with cable for a long time
Reliability in the case of labour, need to be using underwater operation binding on platform rod piece, or penetrates cable protecting tube, and mounting cost is very high.
In conclusion exploitation, which designs one kind, is suitable for in-service offshore platform, simple, reliable performance impressed current cathode is manufactured and installed
Protection and monitoring device have a very important significance.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide the in-service offshore platforms of a kind of simple installation, reliable performance
Compact form impressed current cathodic protection and monitoring device and method.
To achieve the above object, the present invention takes following technical scheme: a kind of in-service offshore platform tension type impressed current
Cathodic protection and monitoring device, it is characterised in that: it includes that composite cable, several impressed current anodes, several reference electrodes, top are solid
Determine device, lifting lug, gravity foundation, impressed current anode cable, reference electrode cable, power supply and data collector；The composite cable
It is upper to be spaced integrally disposed several impressed current anodes and reference electrode, the composite cable upper end and the top fixture phase
Even, the composite cable lower end is connected by the lifting lug with the gravity foundation being placed on sea bed, and the compound electric
Cable is in tensioning state；The top fixture is fixed on the works rod piece more than the water surface, and the upper end is logical
It crosses the impressed current anode cable and reference electrode cable is connected with the power supply and data collector respectively；The power supply passes through institute
Stating impressed current anode cable is each impressed current anode power supply, and electric current reaches offshore platform surface through seawater, offshore platform with it is described
Power cathode, which is connected, makes offshore platform that cathode variation occur；The data collector passes through the institute being arranged on the composite cable
Reference electrode is stated, the potential data of offshore platform is acquired and is stored.
A kind of in-service offshore platform tension type impressed current cathodic protection and monitoring method based on described device, feature
It is the following steps are included: 1) being connected to the bottom of composite cable on gravity foundation by lifting lug；2) hoist engine or class are used
Gravity foundation and composite cable are lifted into decentralization together like equipment, until gravity foundation is transferred on sea bed；3) by composite cable
Top is connected with top fixture, and applies certain pretension on composite cable, and composite cable is made to be in tensioning state；
4) impressed current anode cable and reference electrode cable are drawn respectively from top fixture, impressed current anode cable is connected with power supply,
Reference electrode cable is connected with data collector；5) power supply is the power supply of each impressed current anode by impressed current anode cable, and electric current is through sea
Water reaches offshore platform surface, and offshore platform is connected with power cathode makes offshore platform that cathode variation occur；6) data collector
Periodically the potential data of offshore platform is monitored by reference electrode, and monitoring result is stored.
The invention adopts the above technical scheme, which has the following advantages: if 1, several of the invention impressed current anodes and
A dry cathodic protection monitoring is integrated on composite cable with reference electrode, is provided simultaneously with the function of cathodic protection monitoring, is not needed
Additionally mounted cathodic protection monitoring system, greatlies simplify the structure of impressed current catholic protection device.2, the present invention is using volume
Machine or similar devices installation gravity foundation and composite cable are raised, does not need underwater operation, installation is simple and fast, and mounting cost is substantially
It reduces.3, the present invention applies certain pretension on composite cable, and composite cable is made to be in tensioning state, reduces wave force and makes
At composite cable displacement, avoid the contact of composite cable with platform rod piece, extension fatigue life.Thus, the present invention can be wide
The general impressed current cathodic protection field applied to in-service offshore platform.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Specific embodiment
Come to carry out detailed description to the present invention below in conjunction with attached drawing.It should be appreciated, however, that attached drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As shown in Figure 1, a kind of in-service offshore platform tension type impressed current cathodic protection provided by the invention and monitoring dress
It sets, including composite cable 1, several impressed current anodes 2, several reference electrodes 3, top fixture 4, lifting lug 5, gravity foundation 6, auxiliary
Help anode cable 7, reference electrode cable 8, power supply 9 and data collector 10.Be spaced on composite cable 1 it is integrally disposed have it is several auxiliary
Supporing yang pole 2 and reference electrode 3,1 upper end of composite cable are connected with top fixture 4,1 lower end of composite cable by lifting lug 5 with
The gravity foundation 6 being placed on sea bed is connected, and composite cable 1 is in tensioning state.Top fixture 4 is fixedly installed in place
On works rod piece 11 more than the water surface, the upper end by impressed current anode cable 7 and reference electrode cable 8 respectively with power supply 9
It is connected with data collector 10.Power supply 9 is the power supply of each impressed current anode 2 by impressed current anode cable 7, and electric current reaches marine through seawater
Platform surface, offshore platform is connected with power cathode makes offshore platform that cathode variation occur.Data collector 10 is existed by setting
Reference electrode 3 on composite cable 1 is acquired and stores to the potential data of offshore platform.
The following detailed description of the in-service offshore platform tension type impressed current cathodic protection of the present invention and monitoring method, including with
Lower step:
1) lower end of composite cable 1 is connected on gravity foundation 6 by lifting lug 5.
2) gravity foundation 6 and composite cable 1 are lifted by decentralization using hoist engine or similar devices together, until gravity foundation
6 transfer on sea bed.
3) 1 upper end of composite cable is connected with top fixture 4, and applies certain pretension on composite cable 1,
Composite cable 1 is set to be in tensioning state.
4) impressed current anode cable 7 and reference electrode cable 8, impressed current anode cable 7 are drawn respectively from top fixture 4
It is connected with power supply 9, reference electrode cable 8 is connected with data collector 10.
5) power supply 9 is the power supply of each impressed current anode 2 by impressed current anode cable 7, and electric current reaches offshore platform surface through seawater,
Offshore platform is connected with power cathode makes offshore platform that cathode variation occur.
6) data collector is periodically monitored the potential data of offshore platform by reference electrode 3, and monitoring is tied
Fruit is stored.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude
Except protection scope of the present invention.
Claims (2)
1. a kind of in-service offshore platform tension type impressed current cathodic protection and monitoring device, it is characterised in that: it includes compound
Cable, several impressed current anodes, several reference electrodes, top fixture, lifting lug, gravity foundation, impressed current anode cable, reference electricity
Pole cable, power supply and data collector；
Integrally disposed several impressed current anodes and reference electrode, the composite cable upper end and institute are spaced on the composite cable
It states top fixture to be connected, the composite cable lower end passes through the lifting lug and the gravity foundation phase that is placed on sea bed
Even, and the composite cable is in tensioning state；The top fixture is fixed at the works more than the water surface
On rod piece, the upper end by the impressed current anode cable and reference electrode cable respectively with the power supply and data collector phase
Even；The power supply is each impressed current anode power supply by the impressed current anode cable, and electric current reaches offshore platform table through seawater
Face, offshore platform is connected with the power cathode makes offshore platform that cathode variation occur；The data collector is existed by setting
The reference electrode on the composite cable is acquired and stores to the potential data of offshore platform.
2. a kind of in-service offshore platform tension type impressed current cathodic protection and monitoring side based on device as described in claim 1
Method, it is characterised in that the following steps are included:
1) bottom of composite cable is connected on gravity foundation by lifting lug；
2) gravity foundation and composite cable are lifted by decentralization using hoist engine together, until gravity foundation is transferred on sea bed；
3) it will be connected at the top of composite cable with top fixture, and apply certain pretension on composite cable, make compound
Cable is in tensioning state；
4) impressed current anode cable and reference electrode cable, impressed current anode cable and power supply phase are drawn respectively from top fixture
Even, reference electrode cable is connected with data collector；
5) power supply is the power supply of each impressed current anode by impressed current anode cable, and electric current reaches offshore platform surface through seawater, and sea is flat
Platform is connected with power cathode makes offshore platform that cathode variation occur；
6) data collector is periodically monitored the potential data of offshore platform by reference electrode, and monitoring result is carried out
Storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556112.9A CN107326367B (en) | 2017-07-10 | 2017-07-10 | In-service offshore platform tension type impressed current cathodic protection and monitoring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710556112.9A CN107326367B (en) | 2017-07-10 | 2017-07-10 | In-service offshore platform tension type impressed current cathodic protection and monitoring device and method |
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| CN107326367A CN107326367A (en) | 2017-11-07 |
| CN107326367B true CN107326367B (en) | 2019-03-08 |
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Families Citing this family (8)
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| CN107541732B (en) | 2017-10-13 | 2019-07-12 | 大连科迈尔防腐科技有限公司 | It is a kind of marine to stretch anode system and its installation method |
| CN112025232B (en) * | 2020-07-07 | 2022-02-18 | 中国海洋石油集团有限公司 | Method for installing remote jacket impressed current cathodic protection integrated device |
| CN111893491B (en) * | 2020-08-31 | 2023-10-13 | 大连科迈尔海洋科技有限公司 | Jacket tensioning type anti-corrosion system and installation method |
| CN113388840B (en) * | 2021-06-14 | 2022-08-05 | 上海赟申船舶工程有限公司 | Cathode protection fixing device for offshore wind power steel structure |
| CN114016040A (en) * | 2021-10-25 | 2022-02-08 | 深圳中广核工程设计有限公司 | Impressed current cathodic protection system for jacket foundation of suction tube |
| CN114318348B (en) * | 2021-11-17 | 2023-11-28 | 海洋石油工程股份有限公司 | Oblique-pulling type impressed current cathode protection device and method |
| CN114507861A (en) * | 2022-01-24 | 2022-05-17 | 中国海洋石油集团有限公司 | Cathode protection and monitoring system for semi-submersible platform |
| CN114875413B (en) * | 2022-05-18 | 2024-01-09 | 唐彪 | Hull impressed current cathodic protection device and method capable of adjusting protection potential |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3135776B2 (en) * | 1994-01-20 | 2001-02-19 | 株式会社ナカボーテック | Galvanic anode method |
| CN102277578A (en) * | 2010-06-12 | 2011-12-14 | 中国海洋石油总公司 | ICCP (impressed current cathodic protection) method of leg type platform |
| CN103060815A (en) * | 2012-12-24 | 2013-04-24 | 青岛钢研纳克检测防护技术有限公司 | Jacket platform far anode type corrosion control device and use method thereof |
| CN103060816B (en) * | 2012-12-24 | 2015-01-21 | 钢铁研究总院青岛海洋腐蚀研究所 | Impressed current negative pole protective device of self-elevating platform and protective method thereof |
| CN204167854U (en) * | 2014-09-03 | 2015-02-18 | 王启先 | A kind of cable termination tower apparatus |
| CN204999975U (en) * | 2015-08-21 | 2016-01-27 | 中国海洋石油总公司 | Be used for underwater reference electrode |
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