Anti-corrosion protection equipment for impressed current cathode of offshore wind turbine generator

Abstract

The utility model relates to the technical field of anti-corrosion protection, in particular to an impressed current cathode anti-corrosion protection device for an offshore wind turbine generator, which comprises a steel pipe pile, a reinforcing frame is arranged on the surface of the steel pipe pile, and a constant potential rectifier is mounted at the top of the steel pipe pile; a protective frame is arranged outside the auxiliary anode, one end of the auxiliary anode is in threaded connection with one end of the protective frame, and a filter screen is arranged at the other end of the protective frame; the structure has the beneficial effects that the potential is controlled through the constant potential rectifier, the steel pipe pile is protected against corrosion, the auxiliary anode and the steel pipe pile form an anode of a cathode protection system, a loop is formed through an electrolyte solution and the protected steel pipe pile, and a protection frame and a filter screen arranged outside the auxiliary anode can prevent the anode from being damaged by the surrounding environment; and meanwhile, smooth transmission of current is guaranteed, the auxiliary anode is detached from the protection frame through threaded connection, maintenance and replacement of the anode in the later period are facilitated, and therefore the problems that time and labor are wasted during installation and pollution is generated in the protection process are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anticorrosion protection, in particular to a sea wind turbine external current cathode anticorrosion protection equipment. BACKGROUND

[0002] The anticorrosion protection of sea wind turbine is very important, directly influences the life and reliability of unit, high humidity, salt fog and corrosive gas in marine environment accelerate the corrosion of metal structure, reduce the equipment performance, increase the maintenance cost, and effective anticorrosion measure can significantly prolong the service life of unit, reduce downtime, ensure stable power generation, in addition, good anticorrosion protection can also improve safety, avoid the structural failure and safety accident caused by corrosion, guarantee long-term economic benefit and environmental friendliness.

[0003] In prior art, the traditional sea wind turbine anticorrosion protection device is mainly composed of sacrificial anode material, connecting wire and fixed support, wherein the sacrificial anode material is installed on the surface of the protected metal structure, releases electrons through electrochemical reaction to prevent structure corrosion, the connecting wire is used for reliably connecting the sacrificial anode and the protected structure, and the fixed support ensures firm installation of the sacrificial anode, and these components work cooperatively to effectively delay the corrosion speed of metal structure in marine environment and prolong the service life of equipment.

[0004] However, the traditional sea wind turbine anticorrosion protection device releases a large amount of heavy metal pollution environment when used, and is time-consuming and laborious to install, therefore, the utility model provides a sea wind turbine external current cathode anticorrosion protection equipment to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sea wind turbine external current cathode anticorrosion protection equipment to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a sea wind turbine external current cathode anticorrosion protection equipment, the sea wind turbine external current cathode anticorrosion protection equipment includes: steel pipe pile, the surface of steel pipe pile is provided with reinforcing frame, the top of steel pipe pile is installed with constant potential instrument;

[0007] Auxiliary anode, the auxiliary anode is provided with a protection frame outside, one end of auxiliary anode is connected with one end of protection frame through screw thread, and the other end of protection frame is provided with filter screen.

[0008] Preferably, the lower portion of the steel pipe pile is fixedly installed with a stabilizing pile, the upper end of the steel pipe pile is fixedly installed with an operation table, the surface of the operation table is fixedly installed with a constant potential instrument, and the surface of the steel pipe pile is fixedly installed with a circuit integration ring.

[0009] Preferably, the reinforcing frame is composed of a plurality of supports and a fixing ring, one end of the supports is installed on the surface of the fixing ring, the other end of the supports is fixedly installed on the surface of the stabilizing pile, and reinforcing ribs are fixedly installed on the inner walls of the two sides of the supports.

[0010] Preferably, the protective frame is integrally arranged on the periphery of the lower end of the steel pipe pile, one end of the protective frame is fixedly installed with a mounting plate, a plurality of holes are formed in the surface of the mounting plate, a fixing screw is arranged in each hole, a mounting piece is arranged on the end of the protective frame close to the steel pipe pile, the mounting piece is fixedly installed on the outer wall surface of the steel pipe pile, a plurality of mounting holes are formed in the surface of the mounting piece, a mounting nut is fixedly installed in front of each mounting hole, a fixing screw is screwed in the mounting nut, a threaded pipe is fixedly installed on the inner wall surface of the end of the protective frame close to the mounting piece, and a filter screen is screwed on the other end of the protective frame.

[0011] Preferably, one end of the auxiliary anode is provided with a connecting piece, a threaded pipe is screwed on the connecting piece, a handle groove is formed in the other end of the auxiliary anode, and the auxiliary anode is electrically connected with the circuit integrated ring.

[0012] Preferably, the potentiostat is in the form of a cuboid, the positive electrode of the potentiostat is electrically connected with the circuit integrated ring, and the negative electrode of the potentiostat is electrically connected with the steel pipe pile.

[0013] Compared with the prior art, the potentiostat has the advantages that:

[0014] The offshore wind turbine external current cathode corrosion protection equipment provided by the utility model can prevent the surrounding environment from damaging the anode and ensure smooth current transmission, the auxiliary anode can be disassembled from the protective frame through screw connection, and the anode can be conveniently maintained and replaced in the later period, so that the problems of time-consuming and labor-consuming installation and pollution in the protection process are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 FIG. 1 is a structural schematic view of the utility model;

[0016] Fig. 2 FIG. 2 is a structural schematic view of the back of the utility model;

[0017] Fig. 3 FIG. 3 is an exploded schematic view of part of the structure of the utility model;

[0018] Fig. 4 FIG. 4 is a sectional view of the overall structure of the auxiliary anode of the utility model.

[0019] In the figure: 1, steel pipe pile; 2, reinforcing frame; 3, constant potential instrument; 4, auxiliary anode; 5, protective frame; 6, filter screen; 7, stabilizing pile; 8, operating table; 9, circuit integrated ring; 10, support; 11, fixing ring; 12, fixing screw; 13, mounting piece; 14, mounting nut; 15, connecting piece. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combines the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belongs to the scope of the protection of the utility model.

[0021] Embodiment one: please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a sea wind turbine external current cathode corrosion protection equipment, the sea wind turbine external current cathode corrosion protection equipment includes: steel pipe pile 1, steel pipe pile 1 surface is provided with reinforcing frame 2, steel pipe pile 1 top is equipped with constant potential instrument 3;

[0022] Auxiliary anode 4, auxiliary anode 4 outside is provided with protective frame 5, auxiliary anode 4 one end is connected with the thread of protective frame 5 one end, and protective frame 5 other end is provided with filter screen 6;

[0023] When using, the structure is controlled by constant potential instrument 3 Potential, protect steel pipe pile 1 from corrosion, auxiliary anode 4 and steel pipe pile 1 constitute the anode of cathodic protection system, form loop with protected steel pipe pile 1 by electrolyte solution, protective frame 5 and filter screen 6 set outside auxiliary anode 4 can prevent the damage of surrounding environment to anode, while guaranteeing that current is smoothly transferred, thread connection makes auxiliary anode 4 be disassembled from protective frame 5, facilitate the maintenance replacement of anode in later period, so as to avoid the problem of time-consuming and laborious installation and pollution in protection process.

[0024] Embodiment two: on the basis of embodiment one, in order to avoid pollution to environment when carrying out corrosion protection, there is constant potential instrument 3, and constant potential instrument 3 is overall rectangular parallelepiped structure, and constant potential instrument 3 positive electrode is electrically connected with circuit integrated ring 9, and constant potential instrument 3 negative electrode is electrically connected with steel pipe pile 1;

[0025] Stabilizing pile 7 is fixedly installed below steel pipe pile 1, operating table 8 is fixedly installed on the upper end of steel pipe pile 1, constant potential instrument 3 is fixedly installed on the surface of operating table 8, and circuit integrated ring 9 is fixedly installed on the surface of steel pipe pile 1;

[0026] The auxiliary anode 4 is provided with a connecting piece 15 at one end, a threaded pipe is screwed outside the connecting piece 15, a handle slot is formed at the other end of the auxiliary anode 4, and the auxiliary anode 4 is electrically connected with the circuit integrated ring 9;

[0027] In use, the auxiliary anode 4 is electrically connected with the positive pole of the constant potential instrument 3, the steel pipe pile 1 is electrically connected with the negative pole of the constant potential instrument 3, and a loop is formed between the auxiliary anode 4 and the steel pipe pile 1 through the electrolyte solution, so that the steel pipe pile 1 is prevented from corrosion, and the process does not produce heavy metal pollution to the environment, thereby avoiding the generation of pollutants affecting the environment in the corrosion process.

[0028] In example three, the protective frame 5 is provided on the basis of example two to facilitate installation of the device, the protective frame 5 is integrally provided with a plurality of installation frames at the periphery of the lower end of the steel pipe pile 1, a mounting plate is fixedly installed at one end of the protective frame 5, a plurality of holes are formed in the surface of the mounting plate, a fixing screw 12 is arranged in the hole, a mounting piece 13 is arranged at one end of the protective frame 5 close to the steel pipe pile 1, the mounting piece 13 is fixedly installed on the outer wall surface of the steel pipe pile 1, a plurality of mounting holes are formed in the surface of the mounting piece 13, a mounting nut 14 is fixedly installed at the back of the mounting hole, a fixing screw 12 is screwed in the mounting nut 14, a threaded pipe is fixedly installed on the inner wall surface of one end of the protective frame 5 close to the mounting piece 13, and a filter screen 6 is screwed at the other end of the protective frame 5;

[0029] The reinforcing frame 2 is composed of a plurality of supports 10 and a fixing ring 11, one end of the support 10 is installed on the surface of the fixing ring 11, the other end of the support 10 is fixedly installed on the surface of the stabilizing pile 7, and reinforcing ribs are fixedly installed on the inner walls of the two sides of the support 10;

[0030] In installation, the operator can threadedly connect the connecting piece 15 at one end of the auxiliary anode 4 with the threaded pipe to fixedly install the auxiliary anode 4 in the protective frame 5, and then threadedly install the filter screen 6 at one end of the protective frame 5, so that the auxiliary anode 4 in the protective frame 5 can be disassembled by disassembling the filter screen 6 for later disassembly and maintenance, thereby facilitating disassembly of the auxiliary anode 4.

[0031] Working principle: in actual use, the structure controls the electric potential through the constant potential instrument 3 to protect the steel pipe pile 1 from corrosion, the auxiliary anode 4 and the steel pipe pile 1 constitute an anode of a cathodic protection system, a loop is formed between the auxiliary anode 4 and the protected steel pipe pile 1 through the electrolyte solution, the protective frame 5 and the filter screen 6 arranged outside the auxiliary anode 4 can prevent damage of the surrounding environment to the anode, while ensuring smooth transmission of the current, the threaded connection enables the auxiliary anode 4 to be disassembled from the protective frame 5, thereby facilitating maintenance and replacement of the anode in the later period, and thus avoiding problems of time-consuming and laborious installation and pollution in the protection process.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An impressed current cathodic corrosion protection apparatus for an offshore wind turbine generator unit, characterized by: The offshore wind turbine external current cathode anticorrosion protection equipment comprises a steel pipe pile (1), the surface of the steel pipe pile (1) is provided with a reinforcing frame (2), and the top of the steel pipe pile (1) is provided with a constant potential instrument (3). An auxiliary anode (4) is externally provided with a protective frame (5), one end of the auxiliary anode (4) is threadedly connected with one end of the protective frame (5), and the other end of the protective frame (5) is provided with a filter screen (6).

2. A galvanic current impressed cathodic corrosion protection apparatus for an offshore wind turbine generator unit as claimed in claim 1, characterized in that: A stabilizing pile (7) is fixedly installed below the steel pipe pile (1), an operating table (8) is fixedly installed at the upper end of the steel pipe pile (1), the constant potential instrument (3) is fixedly installed on the surface of the operating table (8), and a circuit integrated ring (9) is fixedly installed on the surface of the steel pipe pile (1).

3. A galvanic current cathodic corrosion protection apparatus for an offshore wind turbine generator unit according to claim 1, characterized in that: The reinforcing frame (2) is composed of a plurality of supports (10) and a fixed ring (11), one end of each support (10) is installed on the surface of the fixed ring (11), the other end of each support (10) is fixedly installed on the surface of the stabilizing pile (7), and reinforcing ribs are fixedly installed on the inner walls of the two sides of each support (10).

4. A galvanic current cathodic corrosion protection apparatus for an offshore wind turbine generator unit according to claim 1, characterized in that: The protective frame (5) is integrally installed on the periphery of the lower end of the steel pipe pile (1), one end of the protective frame (5) is fixedly installed with a mounting plate, a plurality of holes are formed in the surface of the mounting plate, a fixed screw rod (12) is arranged in each hole, one end of the protective frame (5) close to the steel pipe pile (1) is provided with a mounting piece (13), the mounting piece (13) is fixedly installed on the outer wall surface of the steel pipe pile (1), a plurality of mounting holes are formed in the surface of the mounting piece (13), a mounting nut (14) is fixedly installed behind each mounting hole, the mounting nut (14) is screwed with the fixed screw rod (12), a threaded pipe is fixedly installed on the inner wall surface of one end of the protective frame (5) close to the mounting piece (13), and the other end of the protective frame (5) is screwed with the filter screen (6).

5. A galvanic current cathodic corrosion protection apparatus for an offshore wind turbine generator unit according to claim 1, characterized in that: One end of the auxiliary anode (4) is provided with a connecting piece (15), the connecting piece (15) is screwed with a threaded pipe, the other end of the auxiliary anode (4) is provided with a handle groove, and the auxiliary anode (4) is electrically connected with the circuit integrated ring (9).

6. A galvanic current cathodic corrosion protection apparatus for an offshore wind turbine generator unit according to claim 1, characterized in that: The constant potential instrument (3) has a cuboid structure, the positive electrode of the constant potential instrument (3) is electrically connected with the circuit integrated ring (9), and the negative electrode of the constant potential instrument (3) is electrically connected with the steel pipe pile (1).

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