Recycling method of retired wind power blade and pipe culvert assembly
By cutting and splicing retired wind power blades, the culvert assembly is formed, which solves the problem of handling retired wind power blades, and achieves efficient recycling and environmental protection, while maintaining the original mechanical properties.
Patent Information
- Application Number
- CN202411506815.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-02-11
AI Technical Summary
Due to the large size and solid materials of retired wind power blades, they are difficult to degrade in the natural environment. Improper handling will cause long-term pollution to the environment.
By collecting and cutting the retired wind power blades, multiple preset size culverts are obtained, and adapters are installed at the interface end of the culvert. After being transported to the destination, the adapters are spliced to form a culvert assembly of the required length.
It realizes large-scale and efficient recycling of retired wind power blades, avoids material waste, is green and environmentally friendly, reduces environmental pollution, and maximizes the preservation of the original mechanical properties and improves the durability and use value of the culvert.
Smart Images
Figure CN119412284A_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of solid waste recycling, and more specifically, to a method for recycling retired wind turbine blades and a culvert assembly. Background Art
[0002] With the growing global demand for renewable energy, the wind power industry has developed rapidly, and wind power generation has become one of the important green energy sources. As the core component of wind turbines, wind turbine blades play a vital role. Wind turbine blades are usually made of high-strength composite materials, such as glass fiber reinforced plastics (GFRP) or carbon fiber reinforced plastics (CFRP). These materials have excellent mechanical properties and can withstand strong winds and extreme weather, ensuring the efficient operation of wind power generation.
[0003] However, the lifespan of a wind turbine blade is generally 15-20 years. As time goes by, more and more wind turbine blades are facing the problem of retirement. Retired wind turbine blades are difficult to degrade in the natural environment due to their large size and solid materials. If not handled properly, they will cause long-term pollution to the environment, making the disposal of retired wind turbine blades a major problem. Summary of the invention
[0004] The purpose of the embodiments of the present application is to provide a method for recycling retired wind turbine blades and a culvert assembly to solve the technical problem of the difficulty in handling retired wind turbine blades in the prior art.
[0005] To achieve the above purpose, the technical solution adopted in this application is: to provide a method for recycling retired wind turbine blades, comprising:
[0006] Step S10: Collect and cut retired wind turbine blades to obtain a plurality of culverts of preset sizes;
[0007] Step S20: installing an adapter at the interface end of the pipe culvert;
[0008] Step S30: transporting the plurality of culverts installed with the adapters to a destination;
[0009] Step S40: docking one interface end of the adapter of one of the two culverts with an interface end of the adapter of the other culvert, and splicing the two docked interface ends through the adapter to obtain a culvert assembly.
[0010] Optionally, after step S10 and before step S20, the method further includes:
[0011] Cleaning pollutants and attachments on the surface of the pipe culvert;
[0012] The pipe culverts are inspected and qualified ones are selected.
[0013] Optionally, the step S20 includes:
[0014] Step S21: a plurality of receiving grooves are provided at the interface end of the pipe culvert, wherein the plurality of receiving grooves are spaced apart along the circumference of the interface end;
[0015] Step S22: opening a mounting hole at the bottom of the receiving groove;
[0016] Step S23: accommodating the plurality of adapters in the plurality of receiving grooves one by one, and the fixing holes on the adapters are correspondingly connected to the mounting holes on the bottoms of the corresponding receiving grooves, and the two opposite ends of the adapters provided with the connecting holes extend out of the inner surface of the pipe culvert and the outer surface of the pipe culvert respectively;
[0017] Step S24: using a first fastener to pass through the fixing hole on the adapter and insert into the corresponding mounting hole.
[0018] Optionally, before step S23, the method further includes:
[0019] The pipe culvert is polished.
[0020] Optionally, after the step of grinding the pipe culvert and before the step S23, the method further includes:
[0021] A waterproof layer is coated on the surface of the pipe culvert.
[0022] Optionally, after step S33, the method further includes:
[0023] Step S34: cutting off the portion of the first fastener exposed outside the adapter.
[0024] Optionally, the step S40 includes:
[0025] Step S41: docking one of the two culverts with one of the interface ends of the adapter having the adapter with another of the two culverts, and making the multiple adapters on the two corresponding interface ends contact one by one;
[0026] Step S42: inserting a second fastener into the corresponding connecting holes of the two adapters to obtain a pipe culvert assembly.
[0027] Optionally, after step S30 and before step S40, the method further includes:
[0028] A sealing gasket is arranged at the interface end of the pipe culvert.
[0029] Optionally, after step S40, the method further includes:
[0030] Step S50: arranging a waterproof cloth on the inner surface of the pipe culvert assembly.
[0031] The present application also provides a culvert assembly, which is manufactured using any of the above-mentioned methods for recycling retired wind turbine blades.
[0032] The beneficial effects of the recycling method and culvert assembly of retired wind turbine blades provided by the present application are as follows: compared with the prior art, the present application obtains culverts by collecting and cutting retired wind turbine blades, and the culverts have a wide range of uses, so that retired wind turbine blades can be recycled on a large scale and efficiently, avoiding material waste, being green and environmentally friendly, and effectively reducing the pollution caused by retired wind turbine blades to the environment. When the retired wind turbine blades are retired, the original mechanical properties such as structural strength, insulation performance, and corrosion resistance of the retired wind turbine blades are still good, and the culvert can maximize the retention of the original mechanical properties of the retired wind turbine blades, so that the culvert has excellent durability and can meet the length use requirements of water conservancy projects. At the same time, by recycling at least part of the retired wind turbine blades as culverts, it is beneficial to reduce the production cost of the culvert. In addition, by installing an adapter at the interface end of the culvert, after transporting multiple culverts to the destination, the culverts are spliced through the adapter to obtain a culvert assembly of the required length, which is highly practical, and the culverts are spliced after being transported to the destination, which is convenient for transporting the culverts and is beneficial to reducing transportation costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0034] Figure 1 A flow chart of a method for recycling retired wind turbine blades provided in an embodiment of the present application;
[0035] Figure 2 Schematic diagram of the three-dimensional structure of the pipe culvert provided in the embodiment of the present application Figure 1 ;
[0036] Figure 3 A schematic diagram of the side view of the pipe culvert provided in the embodiment of the present application Figure 1 ;
[0037] Figure 4Schematic diagram of the three-dimensional structure of the pipe culvert provided in the embodiment of the present application Figure 2 ;
[0038] Figure 5 A schematic diagram of the side view of the pipe culvert provided in the embodiment of the present application Figure 2 ;
[0039] Figure 6 A schematic diagram of the three-dimensional structure of a pipe culvert assembly provided in an embodiment of the present application;
[0040] Figure 7 A schematic diagram of the main structure of a pipe culvert assembly provided in an embodiment of the present application;
[0041] Figure 8 Schematic diagram of the three-dimensional structure of the pipe culvert provided in the embodiment of the present application Figure 3 ;
[0042] Fig. 9 A schematic diagram of the side view of the pipe culvert provided in the embodiment of the present application Figure 3 ;
[0043] Fig.10 A schematic diagram of the main structure of the adapter provided in an embodiment of the present application;
[0044] Fig.11 A schematic diagram of a three-dimensional structure after two adapters provided in an embodiment of the present application are connected;
[0045] Fig.12 This is a schematic diagram of the main structure of the two adapters provided in an embodiment of the present application after being connected.
[0046] Description of main reference numerals:
[0047] 10. Pipe culvert; 11. Interface end; 12. Receiving groove; 13. Mounting hole;
[0048] 20. Pipe culvert assembly;
[0049] 30. adapter; 31. fixing hole; 32. connecting hole;
[0050] 40. a first fastener;
[0051] 50. A second fastener;
[0052] 60. Nut. DETAILED DESCRIPTION
[0053] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.
[0054] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0056] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0057] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0058] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.
[0059] Please also read Figures 1 to 12 The method for recycling retired wind turbine blades provided in the embodiment of the present application is now described. The method for recycling retired wind turbine blades comprises the following steps:
[0060] Step S10: Collect and cut retired wind turbine blades to obtain a plurality of culverts 10 of preset sizes, such as Figure 2 and Figure 3 .
[0061] Step S20: Install the adapter 30 at the interface end 11 of the culvert 10, such as Figure 4 and Figure 5 .
[0062] Step S30: transporting the plurality of culverts 10 with the adapters 30 installed thereon to a destination.
[0063] Step S40: docking one interface end 11 of one of the two culverts 10 with the adapter 30 with the interface end 11 of the other culvert 10 with the adapter 30, and splicing the two docked interface ends 11 through the adapter 30 to obtain a culvert assembly 20, such as Figure 6 and Figure 7 .
[0064] Among them, retired wind turbine blades refer to wind turbine blades that have been removed from wind turbine generator sets and have ended their service life in the wind power generation system. It can be understood that retired wind turbine blades are discarded wind turbine blades. Since each wind turbine generator set includes at least three wind turbine blades, at least three retired wind turbine blades can be collected at one time. After cutting the collected retired wind turbine blades, multiple culverts 10 of preset sizes can be obtained.
[0065] Optionally, the length of the pipe culvert 10 is about 1m-6m. The pipe culvert 10 can be suitable for civil and commercial use, for example, it can be used in road water conservancy projects.
[0066] Compared with the prior art, the method for recycling retired wind turbine blades provided in the present application obtains a culvert 10 by collecting and cutting retired wind turbine blades. The culvert 10 has a wide range of uses, thereby enabling large-scale and efficient recycling of retired wind turbine blades, avoiding material waste, being green and environmentally friendly, and effectively reducing the pollution caused by retired wind turbine blades to the environment. When the retired wind turbine blades are retired, the original mechanical properties of the retired wind turbine blades, such as structural strength, insulation performance, and corrosion resistance, are still maintained well, and the culvert 10 can maximize the retention of the original mechanical properties of the retired wind turbine blades, so that the culvert 10 has excellent durability and can meet the length use requirements of water conservancy projects. At the same time, by recycling at least part of the retired wind turbine blades as the culvert 10, it is beneficial to reduce the production cost of the culvert 10. In addition, by installing the adapter 30 at the interface end 11 of the culvert 10, after the multiple culverts 10 are transported to the destination, the culverts 10 are spliced through the adapter 30 to obtain the culvert assembly 20 of the required length, which is highly practical. In addition, the culverts 10 can be spliced after being transported to the destination, which is convenient for transporting the culverts 10 and helps reduce transportation costs.
[0067] It should be noted that, if three or more pipe culverts 10 need to be spliced together, after two of the pipe culverts 10 are spliced together, step S40 is repeated to continue lengthening the length of the pipe culvert assembly 20 .
[0068] Optionally, the culvert 10 is mainly made of the root of retired wind turbine blades. Since the root of retired wind turbine blades is in the shape of a hollow cylindrical barrel, after collecting the retired wind turbine blades, the cylindrical barrel position at the root of the retired wind turbine blades is cut to obtain a circular ring culvert 10. It can be understood that by cutting the cylindrical barrel position at the root of the retired wind turbine blades, the circular ring culvert 10 is directly obtained, the structural improvement is small, no complicated processing is required, the process is simple, and the cost is low.
[0069] Optionally, in step S10, water jet cutting technology or laser cutting technology may be used to cut the wind turbine blades, which has higher cutting efficiency and cutting accuracy.
[0070] In one embodiment of the present application, after step S10 and before step S20, the following steps are also included:
[0071] Clean the pollutants and attachments on the surface of the pipe culvert 10. The pollutants and attachments on the surface of the pipe culvert 10 are cleaned to facilitate the subsequent inspection process of the pipe culvert 10.
[0072] The pipe culverts 10 are inspected and qualified pipe culverts 10 are selected. For example, by inspecting the structural integrity and structural strength of the pipe culverts 10, the pipe culverts 10 whose structural integrity and structural strength meet the preset requirements are qualified pipe culverts 10, and otherwise are unqualified pipe culverts 10.
[0073] In one embodiment of the present application, step S20 specifically includes the following steps:
[0074] Step S21: A plurality of receiving grooves 12 are formed at the interface end 11 of the pipe culvert 10. The plurality of receiving grooves 12 are spaced apart along the circumference of the interface end 11. Figure 8 and Fig. 9 .
[0075] Step S22: Open a mounting hole 13 at the bottom of the receiving groove 12. Figure 8 and Fig. 9 .
[0076] Step S23: The plurality of adapters 30 are respectively placed in the plurality of receiving grooves 12, and the fixing holes 31 on the adapters 30 are correspondingly connected to the mounting holes 13 on the bottom of the corresponding receiving grooves 12, and the two opposite ends of the adapters 30 with the connecting holes 32 extend out of the inner surface of the culvert 10 and the outer surface of the culvert 10, respectively. Figure 4 and Figure 5 .
[0077] By accommodating the adapter 30 in the accommodating groove 12, on the one hand, the adapter 30 is pre-installed, which is beneficial to improving the installation stability and installation accuracy of the adapter 30. On the other hand, the outer surface of the adapter 30 is flush with the end face of the interface end 11 of the culvert 10 or the outer surface of the adapter 30 is located in the accommodating groove 12. It can be understood that by preventing the adapter 30 from protruding from the end face of the interface end 11 of the culvert 10, when splicing the culverts 10, the interface ends 11 of the two culverts 10 are convenient to dock and seal.
[0078] Optionally, refer to Fig.10 The adapter 30 is a block structure, a fixing hole 31 is provided in the middle of the adapter 30 , and two connecting holes 32 are provided at opposite ends of the adapter 30 .
[0079] Optionally, refer to Figure 4 and Figure 8 , the multiple receiving grooves 12 are spaced apart at positions less than or equal to two-thirds of the circumference of the interface end 11 of the pipe culvert 10, so that when the multiple adapters 30 are respectively accommodated in the multiple receiving grooves 12 in a one-to-one correspondence, the adapters 30 are only installed on the positions less than or equal to two-thirds of the circumference of the interface end 11 of the pipe culvert 10. For example, the multiple receiving grooves 12 are spaced apart at positions of half the circumference of the interface end 11 of the pipe culvert 10, and after the multiple adapters 30 are installed, the multiple adapters 30 are spaced apart on the half circumference of the interface end 11 of the pipe culvert 10. Of course, the multiple receiving grooves 12 can also be spaced apart along the entire circumference of the interface end 11 of the pipe culvert 10, and after the multiple adapters 30 are installed, the multiple adapters 30 are spaced apart on the entire circumference of the interface end 11 of the pipe culvert 10.
[0080] Step S24: Use the first fastener 40 to pass through the fixing hole 31 on the adapter 30 and insert it into the corresponding mounting hole 13. By using the first fastener 40 to pass through the fixing hole 31 on the adapter 30 and insert it into the corresponding mounting hole 13, the adapter 30 is fixed to the interface end 11 of the culvert 10, as shown in FIG. Figure 4 and Fig.11 .
[0081] Optionally, the first fastener 40 may be, but is not limited to, a bolt or a screw, etc. For example, the first fastener 40 is a bolt, and the mounting hole 13 is a threaded hole. After the bolt passes through the fixing hole 31 on the adapter 30 and is inserted into the corresponding mounting hole 13, the mounting member is fixedly mounted on the interface end 11 of the culvert 10 by tightening the bolt.
[0082] It should be noted that if the interface end 11 of the culvert 10 retains the mounting hole 13 of the retired wind turbine blade originally used for connecting to the main body of the wind turbine generator set, when performing step S21, it is sufficient to open a receiving groove 12 for accommodating the adapter 30 at the position where the mounting hole 13 is retained at the interface end 11 of the culvert 10, and there is no need to perform step S22, that is, there is no need to open the mounting hole 13 at the bottom of the receiving groove 12.
[0083] In one embodiment of the present application, after step S22 and before step S23, the following steps are further included:
[0084] The pipe culvert 10 is polished. Specifically, the interface end 11 of the pipe culvert 10 is polished to eliminate burrs generated during the cutting process.
[0085] In one embodiment of the present application, after the step of grinding the pipe culvert 10 and before step S23, the following steps are further included:
[0086] A waterproof layer is coated on the surface of the pipe culvert 10. By coating the waterproof layer on the surface of the pipe culvert 10, the weather resistance of the pipe culvert 10 is improved.
[0087] Optionally, the material of the waterproof layer may be, but is not limited to, acrylic waterproof coating, polyurethane waterproof coating, polymer cement-based waterproof coating, etc.
[0088] In one embodiment of the present application, the following steps are further included after step S24:
[0089] Step S25: cutting off the portion of the first fastener 40 exposed outside the adapter 30. By cutting off the portion of the first fastener 40 exposed outside the adapter 30, the first fastener 40 is prevented from protruding outside the adapter 30 and affecting the connection and sealing of the interface ends 11 of the two culverts 10.
[0090] In one embodiment of the present application, please refer to Figure 1 , Figure 4 , Figure 6 and Fig.11 Step S40 specifically includes the following steps:
[0091] Step S41: docking an interface end 11 of one of the two culverts 10 having an adapter 30 with an interface end 11 of the other culvert 10 having an adapter 30, and making the multiple adapters 30 on the two corresponding interface ends 11 contact each other one by one.
[0092] For example, when a plurality of receiving grooves 12 are spaced apart at a semicircular position of the interface end 11 of the culvert 10, before step S41, the culvert 10 is first placed on the ground with the semicircular portion of the culvert 10 with the adapter 30 installed facing upward and the semicircular portion of the culvert 10 without the adapter 30 installed facing downward.
[0093] Step S42 : inserting the second fastener 50 into the corresponding connecting holes 32 of the two adapters 30 to obtain the pipe culvert assembly 20 .
[0094] Optionally, each adapter 30 is provided with two connecting holes 32 at the opposite ends extending out of the inner surface and the outer surface of the culvert 10, so that the ends of the two adapters 30 extending out of the inner surface of the culvert 10 are connected by two second fasteners 50, and the ends of the two adapters 30 extending out of the outer surface of the culvert 10 are also connected by two second fasteners 50, that is, the two adapters 30 are connected by four second fasteners 50.
[0095] Optionally, the second fastener 50 may be, but is not limited to, a bolt or a screw. Specifically in this embodiment, the second fastener 50 is a high-strength bolt of grade 8.8 or higher, and the connection hole 32 on the adapter 30 is a threaded hole. After the high-strength bolt passes through the two corresponding connections of the two adapters 30, the nut 60 is used to tighten the high-strength bolt to achieve the two adapters 30 being firmly connected together. Fig.11 And such as Fig.12 .
[0096] In one embodiment of the present application, after step S30 and before step S40, the following steps are also included:
[0097] A sealing gasket is provided at the interface end 11 of the pipe culvert 10. After the two corresponding interface ends 11 of the two pipe culverts 10 are fixed together by the adapter 30, the sealing gasket can be squeezed under the gravity of the pipe culvert 10 and the reinforcement between the two pipe culverts 10, so that the sealing gasket is elastically deformed, and then the sealing gasket is sealed between the interface ends 11 of the two pipe culverts 10, so as to achieve preliminary sealing of the pipe culvert assembly 20.
[0098] Optionally, the sealing gasket is in a circular ring shape and is attached to the end surface of the interface end 11 of the culvert 10 along the circumferential direction of the culvert 10 .
[0099] Optionally, the sealing gasket may be but not limited to a rubber sealing gasket, a plastic sealing gasket, a metal sealing gasket, a cellulose fiber sealing gasket, etc., wherein the material of the rubber sealing gasket may be but not limited to nitrile rubber, butyl rubber, chloroprene rubber, silicone rubber, etc. The material of the plastic sealing gasket may be but not limited to a polymer composite material such as polytetrafluoroethylene, etc. The metal sealing gasket may be but not limited to a metal material such as stainless steel, aluminum, copper, etc.
[0100] In one embodiment of the present application, the following steps are further included after step S40:
[0101] Step S50: arranging a waterproof cloth on the inner surface of the pipe culvert assembly 20. By arranging the waterproof cloth on the inner surface of the pipe culvert assembly 20, the pipe culvert assembly 20 is sealed for a second time, which is beneficial to further improve the sealing performance of the pipe culvert assembly 20.
[0102] Optionally, a waterproof cloth is attached to the inner surface of the pipe culvert assembly 20 .
[0103] After step S50, the following steps are also included:
[0104] Step 60: Apply oil to the surface of the second fastener 50. Applying oil to the surface of the second fastener 50 to seal the second fastener 50 prevents the second fastener 50 from getting damp and rusting, thereby effectively ensuring the stability of the connection between the adapters 30 and 30.
[0105] Please refer to Figure 8 and Fig. 9 The embodiment of the present application also provides a culvert assembly 20. The culvert assembly 20 is manufactured by the recycling method of retired wind turbine blades of any of the above embodiments, and can realize large-scale and efficient recycling of retired wind turbine blades, avoid material waste, be green and environmentally friendly, and effectively reduce the pollution of retired wind turbine blades to the environment. When the retired wind turbine blades are retired, the original mechanical properties of the retired wind turbine blades, such as structural strength, insulation performance, and corrosion resistance, are still maintained well. The culvert assembly 20 can maximize the retention of the original mechanical properties of the retired wind turbine blades, so that the culvert assembly 20 has excellent durability and can meet the length use requirements of water conservancy projects. At the same time, by recycling at least part of the retired wind turbine blades as the culvert 10, it is beneficial to reduce the production cost of the culvert assembly 20. In addition, by installing the adapter 30 at the interface end 11 of the culvert 10, after the multiple culverts 10 are transported to the destination, the culverts 10 are spliced through the adapter 30 to obtain the culvert assembly 20 of the required length, which is highly practical. In addition, the culverts 10 can be spliced after being transported to the destination, which is convenient for transporting the culverts 10 and helps reduce transportation costs.
[0106] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A method for recycling retired wind turbine blades, characterized in that: include: Step S10: Collect and cut retired wind turbine blades to obtain a plurality of culverts of preset sizes; Step S20: installing an adapter at the interface end of the pipe culvert; Step S30: transporting the plurality of culverts installed with the adapters to a destination; Step S40: docking one interface end of the adapter of one of the two culverts with an interface end of the adapter of the other culvert, and splicing the two docked interface ends through the adapter to obtain a culvert assembly.
2. The method for recycling retired wind turbine blades according to claim 1, characterized in that: After step S10 and before step S20, the method further includes: Cleaning pollutants and attachments on the surface of the pipe culvert; The pipe culverts are inspected and qualified ones are selected.
3. The method for recycling retired wind turbine blades according to claim 1, characterized in that: The step S20 comprises: Step S21: a plurality of receiving grooves are provided at the interface end of the pipe culvert, wherein the plurality of receiving grooves are spaced apart along the circumference of the interface end; Step S22: opening a mounting hole at the bottom of the receiving groove; Step S23: accommodating the plurality of adapters in the plurality of receiving grooves one by one, and the fixing holes on the adapters are correspondingly connected to the mounting holes on the bottoms of the corresponding receiving grooves, and the two opposite ends of the adapters provided with the connecting holes extend out of the inner surface of the pipe culvert and the outer surface of the pipe culvert respectively; Step S24: using a first fastener to pass through the fixing hole on the adapter and insert into the corresponding mounting hole.
4. The method for recycling retired wind turbine blades according to claim 3, characterized in that: Before step S23, the method further includes: The pipe culvert is polished.
5. The method for recycling retired wind turbine blades according to claim 4, characterized in that: After the step of grinding the pipe culvert and before the step S23, the method further includes: A waterproof layer is coated on the surface of the pipe culvert.
6. The method for recycling retired wind turbine blades according to claim 3, characterized in that: After step S33, the method further includes: Step S34: cutting off the portion of the first fastener exposed outside the adapter.
7. The method for recycling retired wind turbine blades according to claim 3, characterized in that: The step S40 comprises: Step S41: docking one of the two culverts with one of the interface ends of the adapter having the adapter with another of the two culverts, and making the multiple adapters on the two corresponding interface ends contact one by one; Step S42: inserting a second fastener into the corresponding connecting holes of the two adapters to obtain a pipe culvert assembly.
8. The method for recycling retired wind turbine blades according to claim 1, characterized in that: After step S30 and before step S40, the method further includes: A sealing gasket is arranged at the interface end of the pipe culvert.
9. The method for recycling retired wind turbine blades according to claim 1, characterized in that: After step S40, the method further includes: Step S50: arranging a waterproof cloth on the inner surface of the pipe culvert assembly.
10. A pipe culvert assembly, characterized in that: The culvert assembly is manufactured by the method for recycling retired wind turbine blades as described in any one of claims 1-9.