CN103060815A - Jacket platform far anode type corrosion control device and use method thereof - Google Patents
Jacket platform far anode type corrosion control device and use method thereof Download PDFInfo
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- CN103060815A CN103060815A CN2012105711138A CN201210571113A CN103060815A CN 103060815 A CN103060815 A CN 103060815A CN 2012105711138 A CN2012105711138 A CN 2012105711138A CN 201210571113 A CN201210571113 A CN 201210571113A CN 103060815 A CN103060815 A CN 103060815A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 230000007797 corrosion Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012806 monitoring device Methods 0.000 claims description 10
- 239000013535 sea water Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004210 cathodic protection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The invention relates to the technical field of ocean anticorrosion engineering, in particular to a jacket platform far anode type corrosion control device and a use method thereof. The jacket platform far anode type corrosion control device comprises double reference electrodes (6), an auxiliary anode (3), an anode cable (2) and a cathode cable (5), wherein the auxiliary anode (3) is far from a jacket platform (8) and arranged on the bottom of the sea, the double reference electrodes (6) are arranged on the middle lower portion of the jacket platform (8), a rectifier (1) is arranged on the top of the jacket platform (8), a potential detection device is arranged on the rectifier (1), the potential detection device is connected with the double reference electrodes (6), the double reference electrodes (6) are arranged on the middle lower portion of the jacket platform (8) and symmetrically arranged on two sides of jacket platform (8), the auxiliary anode (3) is connected with an anode of the rectifier (1) through the anode cable (2), and a cathode of the rectifier (1) is connected with the jacket platform (8) through the cathode cable (5). The jacket platform far anode type corrosion control device and the use method of jacket platform far anode type corrosion control device are simple in structure, effective in method, convenient to install, long in service life, and low in cost.
Description
Technical field
The present invention relates to ocean antiseptic project technical field, particularly a kind of jacket platform anode type corrosion control far away equipment and using method thereof.
Background technology
Jacket platform is the most popular a kind of offshore platform of present oceanographic engineering, generally is comprised of superstructure and foundation structure.Superstructure is generally by the levels platform deck with and life, produce module composition.Foundation structure (being substructure) comprises jacket and stake.These works are generally steel structure.Because seawater is a kind of strong corrosive medium, if do not take effective anticorrosive measure, jacket platform will suffer corrosion failure in the ocean environment of harshness, affects platform life span and safety in production, increases the platform maintenance cost.
The galvanic anode protection method is generally adopted in the corrosion control of jacket platform.The method has does not need external power source, and the later maintenance amount is little, does not have the advantage of the danger of overprotection.Be widely used in middle-size and small-size jacket platform.But use the intensification in waters along with jacket platform, the required protected area of jacket platform is increasing, adopts sacrificial anode protection to need the quantity of sacrificial anode very big, has increased so on the one hand the heavy burden of platform, strengthen the design objective of steel platform structure load-bearing, additionally increased expense; Aggravate on the other hand the stress corrosion of platform, caused potential risk to platform.And the heavy metal ion that the sacrificial anode dissolving produces can the Marine Pollution ecotope.And along with the increase of the platform Years Of Service of early stage employing sacrificial protection, a lot of jacket platforms approach even have exceeded the originally working life of cathodic Protection Design, need to be to the reparation of lengthening the life of the cathodic protection system of these platforms.If adopt the sacrificial anode recovery technique for the ocean platform than deepwater field, the installation costs of use frogman installation of sacrifice anode will be much larger than the cost of material itself.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, method is effective, and is easy for installation, long service life, a kind of jacket platform anode type corrosion control far away equipment and using method thereof that expense is low.
To achieve these goals, the present invention is by the following technical solutions:
A kind of jacket platform anode type corrosion control far away equipment, it comprises two reference electrodes 6, supplementary anode 3, anode cable 2 and cathode cable 5, wherein, this supplementary anode 3 places the seabed away from jacket platform 8 through anode base 4, and two reference electrodes 6 are installed in the middle and lower part of jacket platform 8 is symmetrical; Be provided with rectifier 1 on the deck of jacket platform 8, described rectifier 1 is integrated with the potential monitoring device, and described potential monitoring device is connected with described pair of reference electrode 6; This supplementary anode 3 is connected with the positive pole of rectifier 1 by anode cable 2; The negative pole of described rectifier 1 is connected with jacket platform 8 by cathode cable 5.
Described supplementary anode 3 is the degree of depth under water that 0.5-2 times of jacket platform 8 immerses seawater with the slant range of jacket platform 8 bottoms.
Described pair of reference electrode 6 is two pairs, is located at respectively 1/3 and 2/3 place on jacket platform 8 short transverses.
The described pair of reference electrode 6 is not more than 15cm apart from the nearest slant range of jacket platform 8.
The using method of a kind of jacket platform anode type corrosion control far away equipment, it comprises the steps:
A, supplementary anode 3 is connected with the positive pole of rectifier 1 by anode cable 2, the negative pole of rectifier 1 passes through negative electrode cable 5 and is connected with jacket platform 8;
The potential monitoring device of B, described rectifier 1 is connected with two reference electrodes 6; Supplementary anode 3 is positioned over the seabed by the anode base 4 of bottom;
C, described anode cable 2 are set to the seabed along jacket platform 8 outsides;
D, described pair of reference electrode 6 symmetries are installed on the both sides of the middle and lower part of jacket platform 8.
Described supplementary anode 3 is the degree of depth under water that 0.5-2 jacket platform 8 doubly immerses seawater with the slant range of jacket platform 8 bottoms.
Described pair of reference electrode 6 is two pairs, is located at respectively 1/3 and 2/3 place on jacket platform 8 short transverses.
The described pair of reference electrode 6 is not more than 15cm with the distance of jacket platform 8.
Beneficial effect of the present invention is: jacket platform of the present invention anode type corrosion control far away equipment replacement the jacket platform corrosion control equipment of traditional sacrificial anode technology, can effectively control seawater to the corrosion of jacket platform.And simple in structure, convenience quick for installation, long service life, economic environmental protection economizes on resources.
Description of drawings
Fig. 1 is the use view of jacket platform of the present invention anode type corrosion control far away equipment.[primary clustering nomenclature]
1 rectifier
2 anode cables
3 supplementary anodes
4 anode bases
5 cathode cables
6 pairs of reference electrodes
7 reference electrode cables
8 jacket platforms
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, Fig. 1 is the use view of a kind of jacket platform of the present invention anode type corrosion control far away equipment.
A kind of jacket platform of the present invention anode type corrosion control far away equipment, it comprises jacket platform 8 and supplementary anode 3.Wherein, the top of described jacket platform 8 is provided with rectifier 1, is provided with the potential monitoring device on the described rectifier 1, is connected by reference electrode cable 7 between described potential monitoring device and the two reference electrodes 6, for Real-Time Monitoring platform corrosion control state; Described pair of reference electrode 6 is installed on the middle and lower part of jacket platform 8, installs in jacket platform 8 zygomorphy; In an embodiment of the present invention, be provided with two pairs of two reference electrodes 6, be located at respectively 1/3 and 2/3 place on jacket platform 8 short transverses; Described each pair reference electrode 6 is not more than 15cm apart from the nearest slant range of jacket platform 8.
Described supplementary anode 3 bottoms are provided with anode base 4, and this anode base 4 places the seabed and can be steel cube skeleton construction, adopt sacrificial protection to prevent 4 corrosion of anode base.Described supplementary anode 3 is the degree of depth under water that 0.5-2 jacket platform 8 doubly immerses seawater with the slant range of the bottom of jacket platform 8.
Described supplementary anode 3 is connected with the positive pole of rectifier 1 by anode cable 2,
The negative pole of described rectifier 1 is connected with jacket platform 8 by cathode cable 5.
The using method of jacket platform of the present invention anode type corrosion control far away equipment wherein, comprises the steps:
A, supplementary anode 3 is connected with the positive pole of rectifier 1 by anode cable 2, the negative pole of rectifier 1 passes through negative electrode cable 5 and is connected with jacket platform 8;
B, rectifier 1 integrated electronic position monitoring device, the potential monitoring device is connected with two reference electrodes 6 by reference electrode cable 7, is used for Real-Time Monitoring platform corrosion control state; This supplementary anode 3 is taked the decoration form away from jacket platform 8, is positioned on the earth of seabed by an anode base 4; Supplementary anode 3 is 0.5-2 jacket immersed depth doubly with the distance of jacket.Anode cable 2 is routed to the seabed along the stake of the jacket outside, adopts the counterweight sandbag to press when submarine laying and puts;
C, rectifier 1 are positioned on the deck on the jacket platform 8, and supplementary anode 3 is installed on the steel anode base 4.Supplementary anode 3 arrives rice up to a hundred apart from jacket tens; Anode base 4 is steel cube skeleton construction, adopts sacrificial protection to prevent corrosion;
It is inboard that D, two reference electrode 6 are installed on the platform leg node, and respectively install two at jacket 1/3 and 2/3 depth of water place, installs in the jacket zygomorphy; And two reference electrodes 6 are not more than 15cm apart from the jacket distance.
Claims (8)
1. jacket platform anode type corrosion control far away equipment, it comprises two reference electrodes (6), supplementary anode (3), anode cable (2) and cathode cable (5), it is characterized in that: this supplementary anode (3) places the seabed away from jacket platform (8) through anode base (4), and two reference electrodes (6) are installed in the middle and lower part of jacket platform (8) is symmetrical; Be provided with rectifier (1) on the deck of jacket platform (8), described rectifier (1) is integrated with the potential monitoring device, and described potential monitoring device is connected with described pair of reference electrode (6); This supplementary anode (3) is connected with the positive pole of rectifier (1) by anode cable (2); The negative pole of described rectifier (1) is connected with jacket platform (8) by cathode cable (5).
2. jacket platform as claimed in claim 1 anode type corrosion control far away equipment is characterized in that: described supplementary anode (3) is the degree of depth under water that 0.5-2 times of jacket platform (8) immerses seawater with the slant range of jacket platform (8) bottom.
3. jacket platform as claimed in claim 1 anode type corrosion control far away equipment, it is characterized in that: described pair of reference electrode (6) is two pairs, is located at respectively 1/3 and 2/3 place on jacket platform (8) short transverse.
4. jacket platform as claimed in claim 1 anode type corrosion control far away equipment, it is characterized in that: described pair of reference electrode (6) is not more than 15cm apart from the nearest slant range of jacket platform (8).
5. the using method of a jacket platform anode type corrosion control far away equipment is characterized in that it comprises the steps:
A, supplementary anode (3) is connected with the positive pole of rectifier (1) by anode cable (2), the negative pole of rectifier (1) passes through negative electrode cable (5) and is connected with jacket platform (8);
The potential monitoring device of B, described rectifier (1) is connected with two reference electrodes (6); Supplementary anode (3) is positioned over the seabed by the anode base (4) of bottom;
C, described anode cable (2) are set to the seabed along jacket platform (8) outside;
D, described pair of reference electrode (6) symmetry are installed on the both sides of the middle and lower part of jacket platform (8).
6. in the method as claimed in claim 5, it is characterized in that: described supplementary anode (3) is the degree of depth under water that 0.5-2 jacket platform (8) doubly immerses seawater with the slant range of jacket platform (8) bottom.
7. in the method as claimed in claim 5, it is characterized in that: described pair of reference electrode (6) is two pairs, is located at respectively 1/3 and 2/3 place on jacket platform (8) short transverse.
8. in the method as claimed in claim 5, it is characterized in that: described pair of reference electrode (6) is not more than 15cm with the distance of jacket platform (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105711138A CN103060815A (en) | 2012-12-24 | 2012-12-24 | Jacket platform far anode type corrosion control device and use method thereof |
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| CN2012105711138A CN103060815A (en) | 2012-12-24 | 2012-12-24 | Jacket platform far anode type corrosion control device and use method thereof |
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| CN103060815A true CN103060815A (en) | 2013-04-24 |
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| CN2012105711138A Pending CN103060815A (en) | 2012-12-24 | 2012-12-24 | Jacket platform far anode type corrosion control device and use method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326367A (en) * | 2017-07-10 | 2017-11-07 | 中海石油(中国)有限公司 | In-service offshore platform tension type impressed current cathodic protection and monitoring device and method |
| CN108118343A (en) * | 2018-01-17 | 2018-06-05 | 青岛钢研纳克检测防护技术有限公司 | The impressed current of jacket platform and sacrificial anode Combined Protection device and method |
| CN108286249A (en) * | 2018-01-09 | 2018-07-17 | 大连科迈尔防腐科技有限公司 | A tensioned impressed current cathodic protection system and its installation and arrangement method |
| CN112025232A (en) * | 2020-07-07 | 2020-12-04 | 中国海洋石油集团有限公司 | Method for installing remote jacket impressed current cathodic protection integrated device |
| CN113981454A (en) * | 2021-10-28 | 2022-01-28 | 大连理工大学 | Impressed current cathodic protection local repair device and repair method of floating platform |
| CN116791090A (en) * | 2023-08-29 | 2023-09-22 | 山东德瑞防腐材料有限公司 | Split type cathode protection and detection method in marine environment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201722427U (en) * | 2010-04-09 | 2011-01-26 | 中国海洋石油总公司 | Jacket impressed current cathode protection device |
-
2012
- 2012-12-24 CN CN2012105711138A patent/CN103060815A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201722427U (en) * | 2010-04-09 | 2011-01-26 | 中国海洋石油总公司 | Jacket impressed current cathode protection device |
Non-Patent Citations (1)
| Title |
|---|
| 尹鹏飞等: "导管架平台外加电流阴极保护技术", 《腐蚀与防护》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326367A (en) * | 2017-07-10 | 2017-11-07 | 中海石油(中国)有限公司 | In-service offshore platform tension type impressed current cathodic protection and monitoring device and method |
| CN108286249A (en) * | 2018-01-09 | 2018-07-17 | 大连科迈尔防腐科技有限公司 | A tensioned impressed current cathodic protection system and its installation and arrangement method |
| CN108286249B (en) * | 2018-01-09 | 2024-08-13 | 大连科迈尔海洋科技有限公司 | Tensioning type impressed current cathodic protection system and installation and arrangement method thereof |
| CN108118343A (en) * | 2018-01-17 | 2018-06-05 | 青岛钢研纳克检测防护技术有限公司 | The impressed current of jacket platform and sacrificial anode Combined Protection device and method |
| CN112025232A (en) * | 2020-07-07 | 2020-12-04 | 中国海洋石油集团有限公司 | Method for installing remote jacket impressed current cathodic protection integrated device |
| 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 |
| CN113981454A (en) * | 2021-10-28 | 2022-01-28 | 大连理工大学 | Impressed current cathodic protection local repair device and repair method of floating platform |
| CN113981454B (en) * | 2021-10-28 | 2022-08-05 | 大连理工大学 | Impressed current cathodic protection local repair device and repair method of floating platform |
| CN116791090A (en) * | 2023-08-29 | 2023-09-22 | 山东德瑞防腐材料有限公司 | Split type cathode protection and detection method in marine environment |
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Address after: 266071 entrepreneurship center of hi tech Industrial Development Zone, Shandong, Qingdao province 143-A Applicant after: Qingdao CISRI Nanogram Detection Protection Technology Co., Ltd. Applicant after: CISRI Qingdao Marine Corrosion Institute Address before: Shinan District 266071 Shandong city of Qingdao province Ningxia road 288, building 2, 4 floor Applicant before: Qingdao CISRI Nanogram Detection Protection Technology Co., Ltd. Applicant before: CISRI Qingdao Marine Corrosion Institute |
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Application publication date: 20130424 |