CN113212676B

CN113212676B - Offshore platform utilizing waste wind blades

Info

Publication number: CN113212676B
Application number: CN202110500409.XA
Authority: CN
Inventors: 冯鹏; 孟鑫淼; 谢崇峰
Original assignee: Tsinghua University
Current assignee: Tsinghua University
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-08-30
Anticipated expiration: 2041-05-08
Also published as: CN113212676A

Abstract

The invention discloses an offshore platform utilizing waste wind blades, which comprises a main body, a floating assembly and a protection plate, wherein the floating assembly comprises a plurality of waste wind blade sections, the waste wind blade sections are connected with the main body and are arranged at intervals, and the protection plate is arranged on the upper surface of the main body. The offshore platform utilizing the waste wind blades has the characteristics of simple structure, strong reliability, high strength and corrosion resistance.

Description

Offshore platform utilizing waste wind blades

Technical Field

The invention relates to the technical field of floating offshore platforms, in particular to an offshore platform utilizing waste wind blades.

Background

When building an offshore platform capable of serving as an offshore base, a buoy structure is needed to provide buoyancy for the offshore platform to stabilize the offshore platform, but the offshore environment is severe, the requirements of extreme weather and salt mist environment on structural materials are high, and materials with light weight, high strength and good durability are needed.

Disclosure of Invention

The present invention is based on the discovery and recognition by the inventors of the following facts and problems:

china has developed wind power generation greatly in the past 20 years and is extended from onshore space to offshore space. However, the service cycle of the wind power generation blade is generally 20-25 years, therefore, the wind power generation blade will come to concentrate the decommissioning tide, the decommissioned wind power generation blade generally has no detailed damage and only slightly reduces the strength, the slightly damaged blade generally has only the defects of cracks and the like, the appearance is hardly changed, the wind power generation blade is made of the glass fiber reinforced composite material and has excellent durability and stability, and the currently common recovery mode comprises the methods of cutting and crushing the blade to be used as a filler, decomposing a chemical solvent, burying the blade and the like, and is time-consuming and labor-consuming.

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the invention provides an offshore platform which is manufactured by recycling waste wind blades and has the advantages of simple structure, high strength and corrosion resistance.

The offshore platform using the waste wind blade according to the embodiment of the invention comprises a main body and a floating assembly, wherein the floating assembly comprises a plurality of waste wind blade segments, the plurality of waste wind blade segments are connected with the main body, and the plurality of waste wind blade segments are arranged at intervals.

According to the offshore platform utilizing the waste wind blades, the floating assembly is formed by the waste wind blade sections, the floating of the main body is completed, and the offshore platform has the characteristics of simple structure, high strength and corrosion resistance.

In some embodiments, the waste wind blade segments are cut from an entire waste wind blade.

In some embodiments, one end of the waste wind blade segment is attached to the lower surface of the main body, and the other end of the waste wind blade segment extends downward.

In some embodiments, the waste wind blade segment is provided with a plurality of connectors at one end adjacent to the main body, the connectors connect the waste wind blade segment and the main body, the connectors are arranged at intervals, and the centers of the adjacent connectors are not more than 500 mm.

In some embodiments, the connecting member is a metal bolt with a sealing cover, or the material of the connecting member is a first composite material.

In some embodiments, the body is made of a second composite material, the body being filled with one or both of polyurethane foam, polyphenyl foam.

In some embodiments, the body is constructed using fabricated pultruded profile elements, or alternatively, may be fabricated using hand lay-up, vacuum bag press molding, or vacuum infusion molding.

In some embodiments, the second composite material is comprised of fibers and a resin, the fibers being one or more of glass fibers, carbon fibers, and basalt fibers, and the resin being one or more of an epoxy resin, a vinyl resin, an unsaturated resin, and a polyester resin.

In some embodiments, both ends of the waste wind blade sections are sealed with a third composite material to ensure a hermetic seal.

Drawings

FIG. 1 is a schematic structural view of an offshore platform utilizing abandoned wind blades according to an embodiment of the invention.

FIG. 2 is a schematic view of a waste wind blade segment according to an embodiment of the invention.

FIG. 3 is a schematic view of a waste wind blade segment seal according to an embodiment of the invention.

Fig. 4 is a schematic view of a connector according to an embodiment of the present invention.

Reference numerals:

the main part 1, float subassembly 2, abandonment aerogenerator section 21, protection shield 3, connecting piece 4.

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 accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

An offshore platform utilizing a waste wind blade according to an embodiment of the invention is described below with reference to fig. 1-4.

The offshore platform using the abandoned wind blade according to the embodiment of the present invention includes a main body 1, a floating assembly 2, and a protection plate 3.

The floating assembly 2 comprises a plurality of waste wind blade segments 21, the plurality of waste wind blade segments 21 are connected to the main body 1, and the plurality of waste wind blade segments 21 are arranged at intervals.

As shown in fig. 1, a floating assembly 2 is provided on the lower surface of the main body 1, the floating assembly 2 is used for providing upward buoyancy to the main body 1 to ensure that the main body 1 stably floats on the sea surface, the floating assembly 2 includes a plurality of waste wind blade segments 21, the upper ends of the waste wind blade segments 21 are connected to the lower surface of the main body 1, the lower ends of the waste wind blade segments extend vertically downward, and the waste wind blade segments 21 are spaced apart from each other to ensure uniform upward buoyancy.

The protection plate 3 is provided on the upper surface of the main body 1. A protection plate 3 is disposed on the upper surface of the main body 1, and the protection plate 1 is made of corrosion-resistant material and is used for protecting the main body 1 so as to reduce the corrosion of the main body 1 caused by the external environment.

According to the offshore platform utilizing the waste wind blades, the floating component 2 is formed by the waste wind blade segments 21, the floating of the main body 1 is completed, and the offshore platform has the characteristics of simple structure, high strength and corrosion resistance.

In some embodiments, the waste wind blade segments 21 are cut from an entire waste wind blade. As shown in fig. 2, the whole waste wind blade is cut at the same distance to form a plurality of waste wind blade segments 21, so that the draft of the ocean platform is reduced, and the ocean platform is easy to install and can adapt to the sea condition with shallower water depth.

In some embodiments, one end of the waste wind blade segment 21 is attached to the lower surface of the main body 1, and the other end of the waste wind blade segment 21 extends downward.

As shown in fig. 1, the upper end of the waste wind blade segment 21 is connected to the lower surface of the main body 1, and the waste wind blade segment 21 extends downward in the vertical direction, which may be a vertical direction or an oblique direction, but is capable of providing a stable upward buoyancy.

In other embodiments, the side of the waste wind blade segment 21 is connected to the side of the main body 1, the waste wind blade segment 21 is arranged around the side of the main body 1, and the waste wind blade segment 21 extends downward in the up-down direction.

In some embodiments, the end of the waste wind blade segment 21 adjacent to the main body 1 is provided with a plurality of connecting members 4, the connecting members 4 connect the waste wind blade segment 21 and the main body 1, the plurality of connecting members 4 are arranged at intervals, and the center-to-center distance between adjacent connecting members 4 is not more than 500 mm.

As shown in fig. 3 and 4, when the upper end of the waste wind blade segment 21 is sealed, a plurality of connection members 4 are fixedly provided at the sealed portion, the connection members 4 are provided between the waste wind blade segment 21 and the main body 1 for connecting the waste wind blade segment 21 and the main body 1, the connection members 4 are arranged at intervals, and the distance between adjacent studs does not exceed 500mm to ensure the connection firmness.

In some embodiments, the connecting member 4 is a metal bolt with a sealing cover, or the material of the connecting member 4 is a first composite material.

The connecting piece 4 is a metal bolt with a sealing cover, so that the bolt can be prevented from being corroded, the service life is prolonged, or the connecting piece 4 can be made of a first composite material, and the anti-corrosion effect can be achieved, wherein the first composite material is one of glass fiber, carbon fiber and basalt fiber.

In some embodiments, the body 1 is made of a second composite material, and the interior of the body 1 is filled with one or both of polyurethane foam and polyphenyl foam.

As shown in fig. 1, a main body 1 is made of a second composite material, the second composite material is a high-strength composite material composed of fibers and resin, and a plurality of through holes are formed in the main body 1, and the through holes are filled with polyurethane foam or polyphenyl foam or both so as to improve the shearing resistance of the main body 1.

In some embodiments, the body 1 is constructed using fabricated pultruded profile elements, or alternatively, may be fabricated using hand lay-up, vacuum bag press molding, or vacuum infusion molding.

In manufacturing the body 1, the manufacturing process may be built by using fabricated pultruded profile elements, or may be performed by using various molding processes including, but not limited to, hand lay-up molding, vacuum bag press molding, or vacuum import molding.

In some embodiments, the second composite material is composed of fibers and a resin, the fibers being one or more of glass fibers, carbon fibers, and basalt fibers, and the resin being one or more of an epoxy resin, a vinyl resin, an unsaturated resin, and a polyester resin.

In some embodiments, both ends of the waste wind blade section 21 are sealed with a third composite material to ensure a hermetic seal.

As shown in fig. 3 and 4, the waste wind blade segment 21 formed by cutting the whole waste wind blade may be sealed by filling a third composite material into the opening of the waste wind blade segment 21 having openings at both ends thereof to provide buoyancy to the body 1. The third composite material is composed of fibers and resin, the fibers are one or more of glass fibers, carbon fibers and basalt fibers, and the resin is one or more of epoxy resin, vinyl resin, unsaturated resin and polyester resin.

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 explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. 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," "example," "specific example," or "some examples" and the like mean that a particular 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 will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, 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

1. An offshore platform utilizing waste wind blades, comprising:

a main body;

a floating assembly including a plurality of waste wind blade segments connected to the main body, the plurality of waste wind blade segments being arranged at intervals;

a protection plate provided on an upper surface of the main body;

it is a plurality of abandonment aerogenerator section is formed and a plurality of by whole abandonment aerogenerator piece cutting the length of abandonment aerogenerator piece equals, the one end of abandonment aerogenerator section is connected on the lower surface of main part, the other end downwardly extending of abandonment aerogenerator section, abandonment aerogenerator section is close to the one end of main part is equipped with a plurality of connecting pieces, the connecting piece is connected abandonment aerogenerator section with the main part is a plurality of the connecting piece interval arrangement, and adjacent the centre-to-centre spacing of connecting piece is no longer than 500mm, the both ends of abandonment aerogenerator piece have the opening part uses third combined material to seal in order to the main part provides buoyancy, third combined material comprises fibre and resin.

2. The offshore platform using the waste wind turbine blade as set forth in claim 1, wherein the connection member is a metal bolt with a sealing cap, or the connection member is made of a first composite material.

3. The offshore platform utilizing waste wind blades according to claim 1, wherein the body is made of a second composite material, and the body is internally filled with one or both of polyurethane foam and polyphenyl foam.

4. The offshore platform utilizing wind waste blades according to claim 3, wherein the main body is constructed using fabricated pultruded profile elements or may be manufactured using hand lay-up, vacuum bagging or vacuum infusion molding.

5. The offshore platform utilizing waste wind blades of claim 4, wherein the second composite material is comprised of fibers and resin, the fibers being one or more of glass fibers, carbon fibers and basalt fibers, the resin being one or more of epoxy, vinyl, unsaturated and polyester resins.