CN207904371U - The impressed current and sacrificial anode Combined Protection device of jacket platform - Google Patents
The impressed current and sacrificial anode Combined Protection device of jacket platform Download PDFInfo
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- CN207904371U CN207904371U CN201820074533.8U CN201820074533U CN207904371U CN 207904371 U CN207904371 U CN 207904371U CN 201820074533 U CN201820074533 U CN 201820074533U CN 207904371 U CN207904371 U CN 207904371U
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- cable
- impressed current
- jacket platform
- sacrificial anode
- jacket
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Abstract
The utility model is related to a kind of impressed currents of jacket platform and sacrificial anode Combined Protection device.The device includes impressed current cathodic protection system and sacrificial anode；Impressed current cathodic protection system includes control power supply, integrated stretching cable, impressed current anode and heavily cutting；Integrated one end for stretching cable is connect with heavily cutting, and the other end is stretched to the top of jacket platform, and is divided into through junction box and stretches wirerope and cable；It stretches wirerope to be fixed on jacket platform, controls the output cathode and cable connection of power supply, output negative pole is connect with jacket platform；Integrated stretching cable, which submerges on the part of seawater, is equipped with multiple impressed current anodes parallel with one another；Multiple sacrificial anodes are equably fixed on jacket platform.The utility model is simple in structure, easy for installation, saves the dosage of sacrificial anode, reduces cathodic protection expense, reduces platform load, is polluted caused by reducing metal ion dissolving.
Description
Technical field
The utility model belongs to marine metal technical field of anticorrosion, more particularly to a kind of impressed current of jacket platform and
Sacrificial anode Combined Protection device.
Background technology
Jacket platform is a kind of most popular offshore platform of current ocean engineering, generally by superstructure and
Foundation structure forms.Superstructure is generally by levels platform deck and life, production module composition；Foundation structure (i.e. lower part
Structure) include jacket and stake.These works are generally steel structure.Since seawater is a kind of strong corrosive medium, if not
Take effective anticorrosive measure, jacket platform that will influence the platform longevity by corrosion failure in harsh marine environment
Life and safety in production, increase platform maintenance cost.
The corrosion control of jacket platform generally uses galvanic anode protection method, and this method, which has, does not need outside
Power supply, later maintenance amount is small, and the dangerous advantage of overprotection, is not widely used in middle-size and small-size jacket platform.But due to
Jacket platform surface does not have coating, needs an initial polarization process during cathodic protection, larger initial stage is needed to protect
Electric current, and polarize and complete to be formed protective current after calcium and magnesium sedimentary and be rapidly reduced to 1/3 or so of initial stage protective current, when design
Excessive sacrificial anode has often been used to meet initial stage protective current demand, has on the one hand caused and wastes resource, another party
Face also increases platform load, causes the increase of construction cost.In the prior art, for can carry out initial stage rapid polarization, from
And the technology contents of the galvanic anode protection of fine and close calcium and magnesium sedimentary can be quickly formed, it has not been reported so far.
Invention content
The purpose of this utility model is to provide a kind of impressed currents of jacket platform and sacrificial anode Combined Protection to fill
It sets, initial stage rapid polarization can be carried out, quickly form fine and close calcium and magnesium sedimentary, it is simple in structure, it is easy for installation, it saves and sacrifices sun
The dosage of pole reduces cathodic protection expense, reduces platform load, is polluted caused by reducing metal ion dissolving.
To achieve the goals above, the utility model provides following technical solution：
The utility model provides a kind of impressed current and sacrificial anode Combined Protection device of jacket platform, including additional
Current cathodic protection system 12 and sacrificial anode 10；
The impressed current cathodic protection system 12 includes：It controls power supply 1, integrated stretch cable 6, impressed current anode 7 and again
Stone roller 9；
One end of the integrated stretching cable 6 is connect with the heavily cutting 9 for being placed in seabed, and the other end is stretched to jacket platform 11
Top, and divide to stretch wirerope 4 and cable 2 through junction box 5；
The stretching wirerope 4 is fixed on jacket platform 11, and the output cathode of control power supply 1 is connect with cable 2, is exported
Cathode is connect with jacket platform 11；
The integrated stretching cable 6, which submerges on the part of seawater, is equipped with multiple impressed current anodes 7 parallel with one another, described auxiliary
Supporing yang pole 7 is passed through impressed current in jacket platform initial operating stage and is run, and waits for that jacket surface forms fine and close sedimentary
After be decreased or turned off the electric current；
Multiple sacrificial anodes 10 are equably fixed on jacket platform 11.
The cable 2 is multicore cable, each conductor cores of cable 2 are separately connected an impressed current anode 7, control power supply
1 each conductor cores through cable 2 give each impressed current anode 7 to power respectively.
The integrated stretching cable 6 is the composite cable for being integrated with cable 2 and stretching wirerope 4.
The sacrificial anode 10 is Sacrificial Anode, and the junction box 5 is seawater corrosionresisting stainless steel material.
The integrated stretching cable 6 is connect by junction button 8 with heavily cutting 9；The material of the junction button 8 is two phase stainless steel
Or titanium；The heavily cutting 9 is reinforced concrete structure, and reinforcement welding sacrificial anode prevents from corroding, the resistance to sea of concrete outside coating
Water coating.
The impressed current cathodic protection system 12 is installed on outside jacket platform 11, or is installed on jacket platform
Inside 11.
Compared with prior art, the beneficial effects of the utility model are：
Impressed current cathodic protection may be used in the utility model and the mode of galvanic anode protection cooperation increases
Big initial stage protective current quickly forms fine and close calcium and magnesium sedimentary so as to realize jacket initial stage rapid polarization, saves sacrificial
The dosage of domestic animal anode reduces cathodic protection expense, reduces platform load, is polluted caused by reducing metal ion dissolving, is a kind of
It economizes on resources, the technology of environmental protection.
Description of the drawings
Fig. 1 is the impressed current and sacrificial anode Combined Protection device of a kind of jacket platform of the utility model.
Reference numeral therein is：
1 control power supply
2 cables
3 fixing devices
4 stretch wirerope
5 junction boxs
6 integrated stretching cables
7 impressed current anodes
8 junction buttons
9 heavily cuttings
10 sacrificial anodes
11 jacket platforms
12 impressed current cathodic protection systems
Specific implementation mode
The utility model is further described with reference to embodiment.
As shown in Figure 1, the impressed current and sacrificial anode Combined Protection device of a kind of jacket platform include impressed current
Cathodic protection system 12 and sacrificial anode 10；The impressed current cathodic protection system 12 includes：Control power supply 1, integrated stretching
Cable 6, impressed current anode 7 and heavily cutting 9.
The integrated stretching cable 6 is the composite cable for being integrated with cable 2 and stretching wirerope 4, is provided simultaneously with conductive and branch
Weight-bearing function is supportted, one end of the integrated stretching cable 6 is connected to by junction button 8 in the heavily cutting 9 for being placed in seabed, and the other end is drawn
The top of jacket platform 11 is extended to, and is divided to stretch wirerope 4 and cable 2 through junction box 5.
The stretching wirerope 4 is fixed on by fixing device 3 on jacket platform 11.
The control power supply 1 is mounted on the top of jacket platform 11, and the output cathode of control power supply 1 is connect with cable 2,
Output negative pole is connect with jacket platform 11.
The integrated stretching cable 6, which submerges on the part of seawater, is equipped with multiple impressed current anodes 7 parallel with one another.
The cable 2 is multicore cable, each conductor cores of cable 2 are separately connected an impressed current anode 7.
Multiple sacrificial anodes 10 are equably welded on jacket platform 11.The sacrificial anode 10 is aluminum-based sacrificial sun
Pole.
The impressed current cathodic protection system 12 is mountable to also be mountable to jacket platform outside jacket platform
It is intermediate.
A kind of impressed current and sacrificial anode combined protection method of jacket platform, include the following steps：
A, when building jacket platform 11, multiple sacrificial anodes 10 are equably welded on jacket platform 11；
B, power supply 1 will be controlled mounted on the top of jacket platform 11；Lower part is equipped with the integrated of multiple impressed current anodes 7
The lower end for stretching cable 6 is connected to by junction button 8 in heavily cutting 9, and upper end is divided to stretch wirerope 4 and cable 2 through junction box 5；It adopts
Wirerope 4 will be stretched with engineering ship and cable 2 is stretched to the top of jacket platform 11, and heavily cutting 9 is placed on finger using loop wheel machine
Positioning is set；Wirerope 4 will be stretched to be fixed on jacket platform 11 by fixing device 3, control the output cathode and cable of power supply 1
2 connections, output negative pole are connect with jacket platform 11；
C, control power supply 1 is powered, and fine and close calcium and magnesium sedimentary is formed on the surface of jacket platform 11.
Impressed current cathodic protection system 12 can be run after installation is complete, simultaneously according to design parameter and sacrificial anode 10
Operation, provides platform cathodic protection initial stage larger protective current, to form fine and close calcium and magnesium sedimentary on 11 surface of jacket,
Reach a kind of protective effect of similar coatings, so as to reduce the protecting current density of cathodic protection maintenance stage, reduces sacrificial
Domestic animal anode dosage；The output current of impressed current cathodic protection system 12 can be turned after the fine and close calcium and magnesium sedimentary of formation down, even
Impressed current cathodic protection system 12 can optionally be closed.
Claims (6)
1. the impressed current and sacrificial anode Combined Protection device of a kind of jacket platform, it is characterised in that：The device includes outer
Add current cathodic protection system (12) and sacrificial anode (10)；
The impressed current cathodic protection system (12) includes：Control power supply (1), integrated stretching cable (6), impressed current anode (7)
With heavily cutting (9)；
One end of the integrated stretching cable (6) is connect with the heavily cutting (9) for being placed in seabed, and the other end is stretched to jacket platform
(11) top, and be divided into through junction box (5) and stretch wirerope (4) and cable (2)；
The stretching wirerope (4) is fixed on jacket platform (11), and the output cathode of control power supply (1) is connect with cable (2),
Output negative pole is connect with jacket platform (11)；
The integrated stretching cable (6), which is submerged on the part of seawater, is equipped with multiple impressed current anodes parallel with one another (7), described auxiliary
Supporing yang pole (7) is passed through impressed current in jacket platform initial operating stage and is run, and waits for that jacket surface forms fine and close deposition
It is decreased or turned off the electric current after layer；
Multiple sacrificial anodes (10) are equably fixed on jacket platform (11).
2. the impressed current and sacrificial anode Combined Protection device, feature of jacket platform according to claim 1 exist
In：
The cable (2) is multicore cable, each conductor cores of cable (2) are separately connected an impressed current anode (7), control electricity
Each conductor cores of the source (1) through cable (2) give each impressed current anode (7) to power respectively.
3. the impressed current and sacrificial anode Combined Protection device, feature of jacket platform according to claim 1 exist
In：
The integrated stretching cable (6) is the composite cable for being integrated with cable (2) and stretching wirerope (4).
4. the impressed current and sacrificial anode Combined Protection device, feature of jacket platform according to claim 1 exist
In：
The sacrificial anode (10) is Sacrificial Anode, and the junction box (5) is seawater corrosionresisting stainless steel material.
5. the impressed current and sacrificial anode Combined Protection device, feature of jacket platform according to claim 1 exist
In：
The integrated stretching cable (6) is connect by junction button (8) with heavily cutting (9)；The material of the junction button (8) be two-phase not
Rust steel or titanium；The heavily cutting (9) is reinforced concrete structure, and reinforcement welding sacrificial anode prevents from corroding, and is applied outside concrete
Brush sea water resistance coating.
6. the impressed current and sacrificial anode Combined Protection device of the jacket platform according to one of claim 1-5,
It is characterized in that：
The impressed current cathodic protection system (12) is installed on jacket platform (11) outside, or is installed on jacket platform
(11) internal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074533.8U CN207904371U (en) | 2018-01-17 | 2018-01-17 | The impressed current and sacrificial anode Combined Protection device of jacket platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074533.8U CN207904371U (en) | 2018-01-17 | 2018-01-17 | The impressed current and sacrificial anode Combined Protection device of jacket platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207904371U true CN207904371U (en) | 2018-09-25 |
Family
ID=63563853
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820074533.8U Active CN207904371U (en) | 2018-01-17 | 2018-01-17 | The impressed current and sacrificial anode Combined Protection device of jacket platform |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318348A (en) * | 2021-11-17 | 2022-04-12 | 海洋石油工程股份有限公司 | Inclined-pulling type impressed current cathodic protection device and method |
-
2018
- 2018-01-17 CN CN201820074533.8U patent/CN207904371U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318348A (en) * | 2021-11-17 | 2022-04-12 | 海洋石油工程股份有限公司 | Inclined-pulling type impressed current cathodic protection device and method |
| 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 |
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