CN212656275U - Wind power foundation protection system, offshore wind turbine generator system and offshore wind farm - Google Patents
Wind power foundation protection system, offshore wind turbine generator system and offshore wind farm Download PDFInfo
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- CN212656275U CN212656275U CN202021243710.4U CN202021243710U CN212656275U CN 212656275 U CN212656275 U CN 212656275U CN 202021243710 U CN202021243710 U CN 202021243710U CN 212656275 U CN212656275 U CN 212656275U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Abstract
The utility model relates to a marine wind power technology field, concretely relates to wind power basis protection system, offshore wind turbine generator system, marine wind-powered electricity generation field. A wind power foundation protection system comprises a single pile foundation and an impressed current protection device arranged on the single pile foundation. The utility model discloses in adopt be impressed current's method realize the cathodic protection to the single pile basis, compare the protection method that adopts sacrificial anode among the prior art, adopt the simple structure of the protection device that impressed current's mode corresponds, the equipment is convenient, simultaneously, impressed current can compromise the protection of sea mud district steel pile, also can exert better protecting effect to the seabed clay layer that resistivity is higher even to the realization is to the comprehensive protection of steel pile.
Description
Technical Field
The utility model relates to a marine wind power technology field, concretely relates to wind power basis protection system, offshore wind turbine generator system, marine wind-powered electricity generation field.
Background
China has abundant offshore wind resources, and meanwhile, the offshore wind resources are developed economically and are in short supply in coastal areas of the east of China, so that the development of offshore wind power becomes an important content of strategic energy of China.
Offshore wind power basic equipment is susceptible to salt spray, ocean atmosphere, spray splash and the like to cause equipment corrosion. In the prior art, in order to protect an offshore wind power steel structure and the like, a cathode protection mode is generally adopted. The existing offshore wind power single pile foundation mostly adopts a sacrificial anode cathode protection mode, the sacrificial anode is mainly installed in a mode of an anode group surrounding a steel pile, the added anode group is heavy and complex to install, and the sacrificial anode is difficult to completely protect the steel pile in some sea mud areas, particularly the lowest 20 m area of the steel pile.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art the defect that the protection mode of sacrificial anode exists can not the full coverage protection and the structure is complicated in the marine wind power basis to a wind power basis protection system, offshore wind turbine generator system, marine wind-powered electricity generation field are provided.
In order to solve the problem, the utility model provides a wind-powered electricity generation basis protection system, be in including single pile basis and setting impressed current protection device on the single pile basis.
Furthermore, a support is arranged on the outer peripheral surface of the single-pile foundation, and the impressed current protection device is arranged on the support.
Further, the impressed current protection device comprises: at least one auxiliary anode; a reference electrode disposed corresponding to the auxiliary anode; and an electrical control device in communicative connection with the auxiliary anode.
Further, the auxiliary anode and the reference electrode are disposed at the bottom of the support.
Further, the electric control device is arranged at the upper end of the single-pile foundation, and the auxiliary anode and the reference electrode are connected with the electric control device through cables.
Further, the support is an aerial ladder structure extending along the height direction of the single-pile foundation, handrails on two sides of the aerial ladder structure are constructed into hollow structures, and the cables are connected in the handrails in a penetrating mode.
The utility model provides a wind-powered electricity generation basis protection system still includes remote monitoring device, with electrically controlled device communication connection.
The utility model also provides an offshore wind turbine generator system including any one of the above-mentioned wind-powered electricity generation basis protection system.
The utility model also provides an offshore wind farm, include: an offshore booster station; and a plurality of offshore wind power generation sets connected with the offshore booster station.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a wind-powered electricity generation basis protection system includes the single pile basis and sets up the impressed current protection device on the single pile basis.
The utility model discloses in adopt be impressed current's method realize the cathodic protection to the single pile basis, compare the protection method that adopts sacrificial anode among the prior art, adopt the simple structure of the protection device that impressed current's mode corresponds, the equipment is convenient, simultaneously, impressed current can compromise the protection of sea mud district steel pile, also can exert better protecting effect to the seabed clay layer that resistivity is higher even to the realization is to the comprehensive protection of steel pile.
2. The utility model provides a be provided with the support on the outer peripheral face of single pile basis in wind-powered electricity generation basis protection system, impressed current protection device sets up on the support, through increasing corresponding supporting structure, can accomplish the installation to corresponding impressed current packing plant. The increased structural parts are few, and the installation is convenient.
3. The utility model provides an add external current protection device in wind-powered electricity generation basic protection system includes: at least one auxiliary anode; a reference electrode disposed corresponding to the auxiliary anode; and an electrical control device in communicative connection with the auxiliary anode. The auxiliary anode is connected with the positive electrode of a direct current power supply in an impressed current cathodic protection system and has the function of enabling impressed cathodic current to flow from the anode to a protected body through a medium to form a current loop. The reference electrode is used as a reference comparison electrode for checking the protection effect of the auxiliary anode. The electric control device comprises a constant potential rectifier and can automatically keep the auxiliary anode within a set potential range.
4. The utility model provides an auxiliary anode and reference electrode set up in the bottom of support among the wind-powered electricity generation basis protection system, can prevent the striking of barge or follow-up incoming and outgoing ship at the hoist and mount in-process of follow-up tower section of thick bamboo with the fan, realize the protection to auxiliary anode and reference electrode.
5. The utility model provides an among the wind-powered electricity generation basis protection system electrically controlled device sets up at the upper end on single pile basis, through cable junction between supplementary positive pole, reference electrode and electrically controlled device. The electric control device is arranged at the upper end part of the single-pile foundation, and the upper end part of the single-pile foundation is provided with the operating platform, so that maintenance personnel can conveniently install and debug the whole impressed current protection system.
6. The utility model provides a wind-powered electricity generation basis protection system well support is for extending the aerial ladder structure that sets up along single pile basis direction of height, and the both sides handrail department of aerial ladder structure is constructed as hollow structure, and the cable cross-under is in the handrail. First, the utility model provides a support can also be used as aerial ladder structure when realizing installing impressed current protection device, makes things convenient for the construction of operating personnel on single pile basis, has improved the utilization ratio of structure, has reduced the quantity of the steel construction on the basis of whole single pile. Furthermore, handrails on two sides of the aerial ladder structure are designed into a hollow structure, and cables are connected in the hollow structure in a penetrating manner, so that the protection effect on the cables can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wind power foundation protection system in embodiment 1.
Description of reference numerals:
1-single pile foundation;
2-a protection device; 21-an auxiliary anode; 22-a reference electrode; 23-an electronic control device; 24-a cable;
and 3, supporting.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, the wind power foundation protection system provided for this embodiment includes a single-pile foundation 1 and an impressed current protection device 2 disposed on the single-pile foundation 1.
The method that adopts impressed current realizes the cathodic protection to the single pile basis in this embodiment, compares in the prior art and adopts the protection method of sacrificial anode, adopts the simple structure of the protection device that impressed current's mode corresponds, and the equipment is convenient, and simultaneously, impressed current can compromise the protection of sea mud district steel pile, also can exert better protecting effect to the seabed clay layer that the resistivity is higher even to the realization is to the comprehensive protection of steel pile.
As shown in fig. 1, a bracket 3 is detachably attached to the outer peripheral surface of the mono pile foundation 1 in the present embodiment, and an impressed current protection device 2 is attached to the bracket 3. In the actual production process, after the support 3 is processed in a processing plant, the impressed current protection device 2 is preassembled between the processing plant and the support 3 and integrally mounted on the single-pile foundation 1, so that the mounting efficiency is improved, and the steps of construction site mounting are simplified.
Of course, in other embodiments, the bracket 3 may be mounted on the single pile foundation 1, and then the impressed current protection device 2 may be mounted on the bracket 3.
The impressed current protection device 2 in the present embodiment includes: at least one auxiliary anode 21; a reference electrode 22 provided corresponding to the auxiliary anode 21; and an electronic control device 23 communicatively connected to the auxiliary anode 21. The auxiliary anode 21 is connected with the positive electrode of the direct current power supply in the impressed current cathodic protection system, and the impressed current cathode is used for enabling the impressed current to flow from the anode to the protected body through the medium to form a current loop. The reference electrode 22 serves as a reference comparison electrode for checking the protective effect of the auxiliary anode 21. The electric control device 23, which comprises a potentiostat, can automatically keep the auxiliary anode 21 within the set potential range.
Further, the auxiliary anode 21 and the reference electrode 22 are arranged at the bottom of the support 3, a beam structure suitable for mounting the auxiliary anode 21 and the reference electrode 22 is processed at the bottom of the support 3, and in the subsequent hoisting process of the tower drum by the fan, the collision of a barge or a subsequent ship can be prevented, so that the auxiliary anode 21 and the reference electrode 22 are protected.
Of course, in other embodiments, a ring beam may be machined around the circumference of the mono-pile foundation 1 at the bottom of the support 3 to mount the auxiliary anode 21 and the reference electrode 22.
The electric control device 23 in this embodiment is installed at the upper end of the single-pile foundation 1, and the upper end of the single-pile foundation 1 is designed with an operation platform, so that maintenance personnel can conveniently install and debug the whole impressed current protection system. And the auxiliary anode 21, the reference electrode 22 and the electric control device 23 are connected through a cable 24.
As shown in fig. 1, the support 3 is an aerial ladder structure extending along the height direction of the single pile foundation 1, the handrails at both sides of the aerial ladder structure are constructed into a hollow structure, and the cable 24 is threaded in the handrails. Firstly, the support 3 in this embodiment can also be used as aerial ladder structure when can realizing the installation impressed current protection device 2, makes things convenient for the construction of operating personnel on single pile foundation, has improved the utilization ratio of structure, has reduced the quantity of steel construction on the whole single pile foundation 1. Furthermore, handrails on two sides of the aerial ladder structure are designed into a hollow structure, and cables are connected in the hollow structure in a penetrating manner, so that the protection effect on the cables can be realized.
Further, the present embodiment further includes a remote monitoring device, which is connected to the electronic control device 23 in a communication manner. The corrosion prevention measures of the common marine structure can be basically detected and measured in a manual field, and the state of the protected structure is determined according to the field detection result. However, offshore wind farms are usually located in the sea far from the coastline, the straight-line distance is usually several seas, the channel distance is longer, the area of the wind farm is dozens of square kilometers, and hundreds of wind power generation sets are distributed in the range, so that daily maintenance and detection are quite difficult, problems cannot be found at the first time by adopting a common manual mode, the workload of the wind farm with a large area is quite huge, and the detection cannot be completed in a short time. In this embodiment, centralized collection, analysis and arrangement of the cathodic protection data are realized by setting the remote monitoring device, the data can be acquired and analyzed in real time in a remote monitoring mode, and the cathodic protection system is adjusted in time according to an analysis result, so that the whole cathodic protection system is always in an optimal working state, and digital, information and automatic management of the cathodic protection system is really realized.
Example 2
The embodiment provides a wind turbine generator, which includes the wind power foundation protection system in embodiment 1, and has all technical advantages thereof, which are not described herein in detail.
Example 3
The embodiment provides an offshore wind farm, which comprises an offshore booster station and a plurality of wind turbines electrically connected with the offshore booster station in the embodiment 2.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (6)
1. A wind power foundation protection system is characterized by comprising a single pile foundation (1) and an impressed current protection device (2) arranged on the single pile foundation (1);
a support (3) is arranged on the peripheral surface of the single-pile foundation (1), and the impressed current protection device (2) is arranged on the support (3);
the impressed current protection device (2) comprises:
at least one auxiliary anode (21);
a reference electrode (22) provided in correspondence with the auxiliary anode (21);
and an electronic control device (23) in communicative connection with the auxiliary anode (21);
the auxiliary anode (21) and the reference electrode (22) are arranged at the bottom of the bracket (3).
2. The wind power foundation protection system according to claim 1, wherein the electric control device (23) is arranged at the upper end of the single pile foundation (1), and the auxiliary anode (21) and the reference electrode (22) are connected with the electric control device (23) through cables (24).
3. Wind power foundation protection system according to claim 2, characterized in that the support (3) is an aerial ladder structure extending along the height direction of the single pile foundation (1), the handrails at two sides of the aerial ladder structure are constructed into a hollow structure, and the cable (24) is threaded into the handrails.
4. Wind power foundation protection system according to claim 2 or 3, further comprising a remote monitoring device in communication connection with said electric control device (23).
5. An offshore wind turbine, comprising:
the wind power foundation protection system of any one of claims 1-4.
6. An offshore wind farm, comprising:
an offshore booster station;
and a plurality of offshore wind turbines as described in claim 5 connected to said offshore booster station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243710.4U CN212656275U (en) | 2020-06-29 | 2020-06-29 | Wind power foundation protection system, offshore wind turbine generator system and offshore wind farm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021243710.4U CN212656275U (en) | 2020-06-29 | 2020-06-29 | Wind power foundation protection system, offshore wind turbine generator system and offshore wind farm |
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| CN212656275U true CN212656275U (en) | 2021-03-05 |
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| CN202021243710.4U Active CN212656275U (en) | 2020-06-29 | 2020-06-29 | Wind power foundation protection system, offshore wind turbine generator system and offshore wind farm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2020
- 2020-06-29 CN CN202021243710.4U patent/CN212656275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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