CN113212677B

CN113212677B - Offshore platform utilizing waste wind blades

Info

Publication number: CN113212677B
Application number: CN202110501052.7A
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: CN113212677A

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 blades, the waste wind blades 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, high strength and corrosion resistance.

Description

Offshore platform utilizing waste wind blades

Technical Field

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

Background

When an offshore platform capable of serving as an offshore base is built, a buoy structure is needed to provide buoyancy for the offshore platform so as 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 significantly over the past 20 years and has expanded 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 blades according to the embodiment of the invention comprises a main body, a floating assembly and a protection plate, wherein the floating assembly comprises a plurality of waste wind blades, the waste wind blades 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.

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

In some embodiments, the body includes an upper surface, a lower surface, and a side surface connecting the upper surface and the lower surface, the side surface having a plurality of the waste wind blades spaced apart thereon.

In some embodiments, the root of the waste wind blade is attached to the side, with the free end of the waste wind blade extending outwardly.

In some embodiments, the root of the waste wind blade is provided with a plurality of connectors to connect the waste wind blade with the main body, the plurality of connectors being spaced apart.

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, polystyrene foam, or both.

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 that are one or more of glass fibers, carbon fibers, and basalt fibers, and a resin that is one or more of an epoxy resin, a vinyl resin, an unsaturated resin, and a polyester resin.

In some embodiments, the waste wind blades are caulked using 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 some embodiments of the invention.

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

FIG. 3 is a schematic structural view of an offshore platform utilizing waste wind blades according to further embodiments of the present invention.

FIG. 4 is a schematic structural view of an offshore platform utilizing waste wind blades according to further embodiments of the present invention.

FIG. 5 is a schematic structural view of an offshore platform utilizing waste wind blades according to still further embodiments of the present invention.

Reference numerals:

the main part 1, float subassembly 2, abandonment wind blade 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 drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

An offshore platform utilizing a waste wind blade according to an embodiment of the present invention will now be described with reference to fig. 1-5.

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 includes a plurality of waste wind blades 21, the plurality of waste wind blades 21 are connected to the main body 1, and the plurality of waste wind blades 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 assembly 2 is formed by the waste wind blades 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 main body 1 comprises an upper surface, a lower surface and a side surface connecting the upper and lower surfaces, the plurality of waste wind blades 21 being spaced apart on the side surface.

As shown in fig. 1, a side is provided between the upper and lower surfaces of the main body 1, the side being provided around the circumference of the main body 1, and the waste wind blades 21 are provided on the side and spaced apart from each other for providing stable upward buoyancy to the main body 1.

In some embodiments, the root of the waste wind blade 21 is attached to the side, with the free end of the waste wind blade 21 extending outward.

As shown in fig. 1, the left root of the waste wind blade 21 is connected to the side surface of the main body 1, and the right end of the waste wind blade 21 extends outward, and as shown in fig. 2, the vertical direction of the waste wind blade 21 is the width direction, the horizontal direction is the length direction, and the direction perpendicular to the paper surface is the thickness direction, and in fig. 1, the width direction of the waste wind blade 21 is set along the vertical direction of the main body 1.

In other embodiments, as shown in fig. 3, the width direction of the waste wind blade 21 may be offset by a certain angle, i.e., the width direction of the waste wind blade 21 does not coincide with the up-down direction of the body 1.

In still other embodiments, as shown in fig. 4, the waste wind blade 21 has two sides in the thickness direction, one of which is connected to the side of the main body 1.

In still other embodiments, as shown in fig. 5, the lower surface of the main body 1 has a groove opened downward, and the waste wind blade 21 is provided in the groove and connected to the inner wall surface of the groove.

In some embodiments, the root of the waste wind blade 21 is provided with a plurality of connectors 4 to connect the waste wind blade with the main body, the plurality of connectors 4 being arranged at intervals.

As shown in fig. 2, the left root of the waste wind blade 21 has an opening, the opening needs to be closed in the process of processing the waste wind blade 21, a plurality of connecting members 4 are fixed in the closed position, the connecting members 4 are arranged between the waste wind blade 21 and the main body 1 and are used for connecting the waste wind blade 21 and the main body 1, and the adjacent connecting members 4 are arranged at intervals to ensure the firmness of the connection between the waste wind blade 21 and the main body 1.

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, the main body 1 is made of a second composite material, the second composite material is a high-strength composite material composed of fiber 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 main body 1, the manufacturing process includes, but is not limited to, various molding processes such as hand lay-up molding, vacuum bag molding, or vacuum infusion 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, the waste wind blades 21 are integrally treated with a third composite material to ensure a hermetic seal.

As shown in fig. 2, the left end root of the waste wind blade 21 has an opening, and the whole waste wind blade 21 may generate a gap or other gap due to damage during use, and the root of the waste wind blade 21 and the whole blade need to be sealed to ensure good air tightness of the waste wind blade 21 during use.

When the two ends of the waste wind blade segment 21 are sealed, a third composite material is used for sealing, the third composite material is composed of fibers and resin, the used fibers are one or more of glass fibers, carbon fibers and basalt fibers, and the used resin is one or more of epoxy resin, vinyl resin, unsaturated resin and polyester resin, so that the sealing effect can be achieved.

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, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting 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 to implicitly indicate 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," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

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 abandoned wind blades, comprising:

a main body;

the floating assembly is used for providing upward buoyancy for the main body and comprises a plurality of waste wind blades, the waste wind blades are connected with the main body and are arranged at intervals so as to ensure uniform upward buoyancy;

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

the main body comprises an upper surface, a lower surface and a side surface, the side surface is connected with the upper surface and the lower surface, and the plurality of waste wind blades are distributed on the side surface at intervals;

the root of the waste wind blade is connected to the side surface, and the free end of the waste wind blade extends outwards;

the root part of the waste wind blade is provided with a plurality of connecting pieces for connecting the waste wind blade and the main body, and the connecting pieces are arranged at intervals;

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

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 wind waste blades as set forth in claim 1, wherein the main body is constructed using fabricated pultruded profile members or is fabricated using hand lay-up, vacuum bagging or vacuum infusion molding.

4. The offshore platform utilizing waste wind blades of claim 1, 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.

5. The offshore platform using the waste wind blades according to any one of claims 1 to 4, wherein the waste wind blades are caulking-treated using a third composite material to ensure a hermetic effect.