CN113718837A - Offshore wind power foundation with replaceable sacrificial anode blocks - Google Patents

Offshore wind power foundation with replaceable sacrificial anode blocks Download PDF

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Publication number
CN113718837A
CN113718837A CN202111089012.2A CN202111089012A CN113718837A CN 113718837 A CN113718837 A CN 113718837A CN 202111089012 A CN202111089012 A CN 202111089012A CN 113718837 A CN113718837 A CN 113718837A
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CN
China
Prior art keywords
mounting
pile foundation
side plate
sacrificial anode
foundation
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Pending
Application number
CN202111089012.2A
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Chinese (zh)
Inventor
邱旭
卢坤鹏
张波
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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Application filed by Huaneng Clean Energy Research Institute filed Critical Huaneng Clean Energy Research Institute
Priority to CN202111089012.2A priority Critical patent/CN113718837A/en
Publication of CN113718837A publication Critical patent/CN113718837A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/10—Deep foundations
    • E02D27/12—Pile foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/44—Foundations for machines, engines or ordnance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

The invention discloses an offshore wind power foundation with replaceable sacrificial anode blocks, which comprises a pile foundation, a mounting piece and a sacrificial anode block, wherein one part of the pile foundation is positioned between a sea bed surface and a sea level, the mounting piece is mounted on the outer wall surface of the pile foundation, the mounting piece defines a mounting groove extending along the length direction of the pile foundation, the top end of the mounting piece extends out of the sea level and is provided with an opening communicated with the mounting groove, the mounting piece is conductive, the sacrificial anode block can be mounted in the mounting groove through the opening and can be arranged in a sliding manner along the length direction, and the sacrificial anode block positioned in the mounting groove is in contact with the groove wall surface of the mounting groove and is soaked in seawater. The offshore wind power foundation with the replaceable sacrificial anode block has the characteristics of simplicity in operation, safety, reliability and long service life.

Description

Offshore wind power foundation with replaceable sacrificial anode blocks
Technical Field
The invention relates to the technical field of offshore wind power, in particular to an offshore wind power foundation with replaceable sacrificial anode blocks.
Background
Wind energy is increasingly regarded by human beings as a clean and harmless renewable energy source. Compared with land wind energy, offshore wind energy resources not only have higher wind speed, but also are far away from a coastline, are not influenced by a noise limit value, and allow the unit to be manufactured in a larger scale.
The offshore wind power foundation is the key point for supporting the whole offshore wind power machine, the cost accounts for 20-25% of the investment of the whole offshore wind power, the offshore wind power foundation generally requires the service life of more than 20 years, but the offshore wind power foundation is in a severe environment, and the part under water is eroded by seawater all the year round, so the offshore wind power foundation has higher corrosion prevention requirement.
Disclosure of Invention
The present invention is based on the discovery and recognition by the inventors of the following facts and problems:
the measure for preventing corrosion of the offshore wind power pile foundation in the related foundation is to weld the sacrificial anode block on the pile foundation, but along with the prolonging of the service time of the offshore wind power foundation, the sacrificial anode block is gradually consumed, the corrosion resistance is reduced, if a new sacrificial anode block needs to be replaced, a diver needs to launch to weld underwater, however, the underwater welding operation difficulty is large, the technical requirement is high, the danger coefficient is large, and the cost is high.
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an embodiment of the present invention proposes one.
The offshore wind power foundation with the replaceable sacrificial anode block comprises a pile foundation, a mounting piece and the sacrificial anode block, wherein one part of the pile foundation is located between a sea bed surface and a sea level, the mounting piece is mounted on the outer wall surface of the pile foundation and defines a mounting groove extending along the length direction of the pile foundation, the top end of the mounting piece extends out of the sea level and is provided with an opening communicated with the mounting groove, the mounting piece is conductive, the sacrificial anode block can be mounted in the mounting groove through the opening and can be arranged in a sliding mode along the length direction, and the sacrificial anode block located in the mounting groove is in contact with the groove wall surface of the mounting groove and is soaked in seawater.
According to the offshore wind power foundation with the replaceable sacrificial anode block, the sacrificial anode block is directly placed in the mounting groove, so that the replacement time is shortened, and the offshore wind power foundation has the characteristics of simplicity in operation, safety, reliability and long service life.
In some embodiments, the mounting member includes a side plate and a bottom plate, the side plate being connected to the outer wall surface of the pile foundation, the side plate, the bottom plate and the outer wall surface of the pile foundation together defining the mounting groove.
In some embodiments, the side plates include a first side plate, a second side plate and a third side plate, a space is formed between the third side plate and the outer wall surface of the pile foundation, two sides of the third side plate are respectively connected with the first side plate and the second side plate, the first side plate and the second side plate are opposite in the width direction of the third side plate and are both connected with the outer wall surface of the pile foundation, and the mounting groove is defined by the first side plate, the second side plate, the third side plate, the bottom plate and the outer wall surface of the pile foundation together.
In some embodiments, the mounting member is connected with the mounting bracket, the mounting bracket is connected with the outer wall surface of the pile foundation, the mounting member is mounted on the pile foundation through the mounting bracket, and the mounting member and the pile foundation are spaced in the radial direction of the pile foundation.
In some embodiments, the mounting member includes a side plate and a bottom plate, the mounting bracket includes a first mounting post and a second mounting post, one end of the first mounting post is connected to the outer wall surface of the pile foundation, the other end of the first mounting post is connected to the bottom end of the bottom plate, one end of the second mounting post is connected to the pile foundation, and the other end of the second mounting post is connected to the side plate.
In some embodiments, the second mounting posts are multiple, and the multiple second mounting posts are arranged at intervals in the length direction of the pile foundation.
In some embodiments, a window extending along the length direction is formed in a side wall of the mounting member, the window is communicated with the mounting groove, and the width of the window is smaller than that of the sacrificial anode block.
In some embodiments, the mounting member comprises a plurality of mounting members arranged in a circumferential direction around the pile foundation.
In some embodiments, the pile foundation has an outer diameter D, and the distance between two adjacent mounting members in the circumferential direction is 0.01D-1.07D
In some embodiments, the sacrificial anode block comprises a plurality of sub-sacrificial anode blocks, which are stacked in sequence in the length direction.
Drawings
FIG. 1 is a schematic structural diagram of an offshore wind power foundation with replaceable sacrificial anode blocks according to some embodiments of the invention.
FIG. 2 is a schematic structural diagram of an offshore wind power foundation with replaceable sacrificial anode blocks according to further embodiments of the invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Reference numerals:
at the sea level 100, the sea level is,
pile foundation 1, installed part 2, mounting groove 21, opening 22, side plate 23, first side plate 231, second side plate 232, third side plate 233, bottom plate 24, window 25, sacrificial anode block 3, sub-sacrificial anode block 31, mounting bracket 4, first mounting column 41 and second mounting column 42.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An offshore wind foundation of an alternative sacrificial anode block of an embodiment of the invention is described below with reference to fig. 1 and 2.
An offshore wind power foundation with replaceable sacrificial anode blocks according to an embodiment of the invention comprises a pile foundation 1, a mounting piece 2 and a sacrificial anode block 3.
Part of pile foundation 1 is located between sea bed surface and sea level 100, installed part 2 is installed in the outer wall surface of pile foundation 1, installed part 2 defines along the length direction extension's of pile foundation 1 mounting groove 21, the top of installed part 2 stretches out and is equipped with the opening 22 with the mounting groove 21 intercommunication from sea level 100, installed part 2 is electrically conductive, sacrificial anode block 3 can pack into in mounting groove 21 and set up along length direction slidable through opening 22, sacrificial anode block 3 that is arranged in mounting groove 21 contacts and soaks in the sea water with the groove wall surface of mounting groove 21.
The sacrificial anode cathode protection method, also called sacrificial anode protection method, is a method for preventing metal corrosion, i.e. using metal with stronger reducibility as protective electrode, and connecting it with protected metal to form galvanic cell, using metal with stronger reducibility as negative electrode and making oxidation reaction to consume it, using protected metal as positive electrode and can prevent corrosion. In this embodiment, the sacrificial anode block 3 is in contact with the wall surface of the installation groove 21 and is soaked in seawater, the sacrificial anode block 3 serves as a negative electrode, the pile foundation 1 serves as a positive electrode, and after a period of time, the sacrificial anode block 3 is gradually corroded, so that the pile foundation 1 is protected, and the service life of the pile foundation 1 is prolonged. The volume of the sacrificial anode block 3 is gradually reduced in the process of being corroded, the sacrificial anode block 3 gradually moves to the lower part of the installation groove 21 under the action of gravity, and a worker can replace the sacrificial anode block 3 with a new one every time.
As shown in fig. 1, the sacrificial anode block 3 and the wall surface of the mounting groove 21 can slide relatively, and the sacrificial anode block 3 and the mounting groove 21 do not need to be fixedly connected. The top end of the mounting member 2 is exposed upwards to the sea surface 100, and when the installation is carried out, a worker directly loads the sacrificial anode block 3 into the installation groove 21 through the opening 22 on the top of the pile foundation 1 or in a ship on the sea surface, and the sacrificial anode block 3 slides downwards along the installation groove 21 and is immersed in seawater to generate an oxidation reaction. In the related art, the sacrificial anode block 3 needs to be welded and fixed underwater, the technical difficulty is high, the operation time is long, the operation risk coefficient is large, and the cost is high. In the mode of the embodiment, the replacement process of the sacrificial anode block 3 is simple and quick, underwater operation is avoided, the danger coefficient is small, and the cost is low.
According to the offshore wind power foundation with the replaceable sacrificial anode block, the sacrificial anode block 3 is utilized to protect the pile foundation 1 from being corroded, so that the service life of the pile foundation 1 is prolonged, the sacrificial anode block 3 is simple and quick in replacement process, the danger coefficient is small, and the cost is low.
In some embodiments, the mounting member 2 includes a side plate 23 and a bottom plate 24, the side plate 23 is connected to the outer wall surface of the pile foundation 1, and the side plate 23, the bottom plate 24 and the outer wall surface of the pile foundation 1 define the mounting groove 21.
As shown in fig. 1, the bottom plate 24 of the mounting member 2 is located at the lower end, the bottom plate 24 is used to support the weight of the sacrificial anode block 3, and the side plates 23 of the mounting member 2 are perpendicular to the bottom plate 24. The side plates 23, the bottom plate 24 and the outer wall surface of the pile foundation 1 together define a mounting groove 21. When the sacrificial anode block 3 is installed in the installation groove 21, the sacrificial anode block 3 can be directly contacted with the pile foundation 1. Therefore, the pile foundation 1 can be directly used as a groove surface of the installation groove 21, materials are saved, the sacrificial anode block 3 is directly contacted with the pile foundation 1, and the protection effect is better.
In some embodiments, the side plates 23 include a first side plate 231, a second side plate 232, and a third side plate 233, the third side plate 233 has a space from the outer wall surface of the pile foundation 1, two sides of the third side plate 233 are respectively connected to the first side plate 231 and the second side plate 232, the first side plate 231 and the second side plate 232 are opposite to each other in the width direction of the third side plate 233 and are both connected to the outer wall surface of the pile foundation 1, and the first side plate 231, the second side plate 232, the third side plate 233, the bottom plate 24, and the outer wall surface of the pile foundation 1 together define the mounting groove 21.
As shown in fig. 1, the left and right sides of the third side plate 233 are connected with the first side plate 231 and the second side plate 232 respectively, that is, the first side plate 231 and the second side plate 232 form the left and right sides of the installation groove 21, the outer wall surface of the pile foundation 1 is the bottom surface of the installation groove 21, the third side plate 233 is the top surface of the installation groove 21, and a plurality of side plates form the installation groove 21, so that the processing difficulty of the installation groove 21 is reduced, and the installation efficiency is improved.
In some embodiments, the pile foundation further comprises a mounting bracket 4, the mounting part 2 is connected with the mounting bracket 4, the mounting bracket 4 is connected with the outer wall surface of the pile foundation 1, the mounting part 2 is mounted on the pile foundation 1 through the mounting bracket 4, and the mounting part 2 is spaced from the pile foundation 1 in the radial direction of the pile foundation 1.
As shown in fig. 2, the installation member 2 is connected to the outer wall surface of the pile foundation 1 through the installation bracket 4, and the installation member 2 is spaced apart from the outer wall surface of the pile foundation 1 by the installation bracket 4, so that the workload of welding the installation member 2 to the outer wall surface of the pile foundation 1 is reduced, the installation efficiency of the installation member 2 is improved, the later maintenance and replacement of the installation member 2 is facilitated, the workload of detaching the installation member 2 is reduced, and the working efficiency is improved.
In some embodiments, the mounting member 2 includes a side plate 23 and a bottom plate 24, the mounting bracket 4 includes a first mounting post 41 and a second mounting post 42, one end of the first mounting post 41 is connected to the outer wall surface of the pile foundation 1, the other end of the first mounting post 41 is connected to the bottom end of the bottom plate 24, one end of the second mounting post 42 is connected to the pile foundation 1, and the other end of the second mounting post 42 is connected to the side plate 23.
As shown in fig. 2, the mounting bracket 4 includes a first mounting post 41 and a second mounting post 42 arranged at an interval in the vertical direction, the first mounting post 41 is connected to the bottom plate 24 of the mounting member 2, the second mounting post 42 is connected to the side plate 23 of the mounting member 2, the first mounting post 41 is connected to the bottom plate 24, so as to fix the mounting member 2 and also has a certain supporting function on the bottom plate 24 of the mounting member 2, reduce the bearing torque of the second mounting post 42, improve the service life of the second mounting post 42, and the second mounting post 42 is also connected to a connecting wire, so as to increase the electrical conductivity and improve the anti-corrosion effect.
In some embodiments, the second mounting column 42 is plural, and the plural second mounting columns 42 are arranged at intervals in the length direction of the pile foundation 1.
As shown in fig. 2, the installation member 2 extends upward until the sea level 100 is exposed, and in order to ensure the stable connection between the installation member 2 and the pile foundation 1, a plurality of second installation posts 42 are provided between the pile foundation 1 and the installation member 2, and the second installation posts 42 are arranged at intervals in the up-and-down direction, so that the installation member 2 is firmly connected to the pile foundation 1, and the connection stability between the pile foundation 1 and the installation member 2 is enhanced.
In some embodiments, a window 25 extending along the length direction is formed on the side wall of the mounting member 2, the window 25 is communicated with the mounting groove 21, and the width of the window 25 is smaller than the width of the sacrificial anode block 3.
As shown in fig. 1 and 2, the window 25 is an opening 22 formed in the side wall of the mounting member 2, the window 25 extends in the vertical direction, and the width of the window 25 is smaller than the initial width of the sacrificial anode block 3, so that the sacrificial anode block 3 is prevented from falling off the window 25. Thereby, the reaction window serves to increase the contact area of the sacrificial anode block 3 with the seawater.
It will be appreciated that in other embodiments, a protective mesh is provided in the region of the reaction window to increase the contact area of the sacrificial anode block 3 with the seawater and to prevent the sacrificial anode block 3 from falling off.
In some embodiments, the mounting member 2 includes a plurality of mounting members 2, and the plurality of mounting members 2 are arranged in a circumferential direction around the pile foundation 1.
For improving the anticorrosion effect, be provided with a plurality of installed parts 2 on pile foundation 1's outer wall, a plurality of installed parts 2 are arranged at the interval in the circumference that encircles pile foundation 1, make the outer wall of pile foundation 1 go up different positions and all be equipped with installed part 2, improve pile foundation 1's anticorrosion effect.
In some embodiments, the pile foundation 1 has an outer diameter D and the two circumferentially adjacent mounting elements 2 are spaced apart by 0.01D-1.07D.
In other words, the distance between two circumferentially adjacent mounting pieces 2 is 0.01D to 1.07D, and the distance between adjacent side plates 23 of adjacent mounting pieces 2 is 0.01D to 1.07D, for example, the distance between two circumferentially adjacent mounting pieces 2 may be 0.01D, 0.5D, 1.0D, or the like, and this arrangement can increase the protection range of the mounting pieces 2 provided on the pile foundation 1, can protect the outer wall surface of the pile foundation 1 to the maximum, and can improve the corrosion prevention effect of the pile foundation 1.
In some embodiments, the sacrificial anode block 3 includes a plurality of sub-sacrificial anode blocks 31, and the plurality of sub-sacrificial anode blocks 31 are sequentially stacked in the length direction.
The volume of the sacrificial anode block 3 is equivalent to that of the mounting groove 21, and the sacrificial anode block 3 includes a plurality of sub sacrificial anode blocks 31 stacked in the up-down direction. Therefore, the sacrificial anode block 3 is made into a plurality of small-sized sacrificial anode blocks, is convenient to carry and is convenient to operate when the sacrificial anode block 3 is installed.
The sacrificial anode block 3 has a shape that substantially conforms to the shape of the cavity defined by the mounting groove 21. For example, in some embodiments, the cavity defined by the mounting groove 21 is a cuboid, a cylinder, or the like, and the sacrificial anode block 3 is shaped as a cuboid, a cylinder, or the like, corresponding to the cavity defined by the mounting groove 21.
It will be appreciated that the sacrificial anode block 3 may also be made as a bulky whole.
The material of the sacrificial anode block 3 is zinc, aluminum, or the like.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. An offshore wind power foundation with replaceable sacrificial anode blocks, comprising:
a pile foundation, a portion of which is located between a sea bed surface and sea level;
the mounting piece is mounted on the outer wall surface of the pile foundation, the mounting piece defines a mounting groove extending along the length direction of the pile foundation, the top end of the mounting piece extends out of the sea level and is provided with an opening communicated with the mounting groove, and the mounting piece is conductive;
the sacrificial anode block can be arranged in the mounting groove through the opening and can slide along the length direction, and the sacrificial anode block in the mounting groove is in contact with the wall surface of the mounting groove and is soaked in seawater.
2. The offshore wind power foundation of claim 1, wherein the mounting member comprises a side plate and a bottom plate, the side plate being attached to the outer wall surface of the pile foundation, the side plate, the bottom plate and the outer wall surface of the pile foundation together defining the mounting groove.
3. The offshore wind power foundation with the replaceable sacrificial anode block of claim 2, wherein the side plates comprise a first side plate, a second side plate and a third side plate, a space is formed between the third side plate and the outer wall surface of the pile foundation, two sides of the third side plate are respectively connected with the first side plate and the second side plate, the first side plate and the second side plate are opposite in the width direction of the third side plate and are connected with the outer wall surface of the pile foundation, and the first side plate, the second side plate, the third side plate, the bottom plate and the outer wall surface of the pile foundation define the mounting groove together.
4. The offshore wind power foundation of claim 1, further comprising a mounting bracket, wherein the mounting member is connected to the mounting bracket, wherein the mounting bracket is connected to an outer wall surface of the pile foundation, wherein the mounting member is mounted to the pile foundation via the mounting bracket, and wherein the mounting member is spaced from the pile foundation in a radial direction of the pile foundation.
5. The offshore wind power foundation of claim 4, wherein the mounting member comprises a side plate and a bottom plate, the mounting bracket comprises a first mounting post and a second mounting post, one end of the first mounting post is connected to the outer wall surface of the pile foundation, the other end of the first mounting post is connected to the bottom end of the bottom plate, one end of the second mounting post is connected to the pile foundation, and the other end of the second mounting post is connected to the side plate.
6. Offshore wind foundation according to claim 5, wherein said second mounting posts are plural, said second mounting posts being spaced apart in the length direction of said pile foundation.
7. The offshore wind power foundation with the replaceable sacrificial anode block as claimed in claim 1, wherein a window extending along the length direction is formed in a side wall of the mounting member, the window is communicated with the mounting groove, and the width of the window is smaller than that of the sacrificial anode block.
8. The offshore wind foundation of claim 1, wherein said mounting means comprises a plurality of said mounting means arranged circumferentially around said pile foundation.
9. Offshore wind foundation according to claim 8, wherein said pile foundation has an outer diameter D and wherein two of said mounting elements adjacent in said circumferential direction have a distance of 0.01D-1.07D.
10. Offshore wind foundation according to any of the claims 1-9, wherein said sacrificial anode block comprises a plurality of sub-sacrificial anode blocks, said sub-sacrificial anode blocks being stacked one after the other in said length direction.
CN202111089012.2A 2021-09-16 2021-09-16 Offshore wind power foundation with replaceable sacrificial anode blocks Pending CN113718837A (en)

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CN202111089012.2A CN113718837A (en) 2021-09-16 2021-09-16 Offshore wind power foundation with replaceable sacrificial anode blocks

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005146374A (en) * 2003-11-18 2005-06-09 Nippon Corrosion Engineering Co Ltd Method for electrolytically protecting immersed part of metallic structure by galvanic anode, and galvanic anode structure therefor
CN204198857U (en) * 2014-09-23 2015-03-11 江苏海灵重工设备科技有限公司 A kind of high-power offshore wind turbine jacket basis sacrificial anode protection device
CN108893745A (en) * 2018-06-27 2018-11-27 中国船舶重工集团公司第七〇九研究所 Replaceable sacrificial anode device and its replacing options
CN212103015U (en) * 2020-04-02 2020-12-08 滨州华闻机械有限责任公司 Controllable corrosion inhibitor for sacrificial anode
CN113062365A (en) * 2021-02-09 2021-07-02 中国能源建设集团广东省电力设计研究院有限公司 Cage sleeving device
CN113718836A (en) * 2021-09-16 2021-11-30 中国华能集团清洁能源技术研究院有限公司 Offshore wind power foundation with anti-corrosion function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005146374A (en) * 2003-11-18 2005-06-09 Nippon Corrosion Engineering Co Ltd Method for electrolytically protecting immersed part of metallic structure by galvanic anode, and galvanic anode structure therefor
CN204198857U (en) * 2014-09-23 2015-03-11 江苏海灵重工设备科技有限公司 A kind of high-power offshore wind turbine jacket basis sacrificial anode protection device
CN108893745A (en) * 2018-06-27 2018-11-27 中国船舶重工集团公司第七〇九研究所 Replaceable sacrificial anode device and its replacing options
CN212103015U (en) * 2020-04-02 2020-12-08 滨州华闻机械有限责任公司 Controllable corrosion inhibitor for sacrificial anode
CN113062365A (en) * 2021-02-09 2021-07-02 中国能源建设集团广东省电力设计研究院有限公司 Cage sleeving device
CN113718836A (en) * 2021-09-16 2021-11-30 中国华能集团清洁能源技术研究院有限公司 Offshore wind power foundation with anti-corrosion function

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Application publication date: 20211130