Waste fan blade recovery processing device
By designing a device that includes a crushing section and a re-crushing component, waste wind turbine blades are screened and re-crushed, solving the problem of substandard crushing and improving recycling efficiency.
Patent Information
- Application Number
- CN202520098924.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-16
AI Technical Summary
In existing technologies, large particles are generated during the crushing process of waste wind turbine blades, resulting in substandard crushing and the need for subsequent screening, which affects the recycling efficiency.
A device comprising a crushing section and a re-crushing component is designed. Qualified particles are screened by the cooperation of a first discharge screen and a discharge plate, and unqualified particles are crushed again by the re-crushing component until the requirements are met.
This technology enables efficient screening and re-crushing of wind turbine blade particles, ensuring that all particles meet recycling standards and improving crushing and recycling efficiency.
Smart Images

Figure CN223888155U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of wind turbine blade recycling equipment, in particular to a waste wind turbine blade recycling device. BACKGROUND
[0002] In recent years, the wind power industry has shown a rapid development trend, with an increasing amount of new installations each year. Among them, the wind turbine blade is a core component of the wind turbine, mainly made of glass fiber, carbon fiber and thermosetting resin material, with a small amount of metal, epoxy structural adhesive and paint. A large number of wind turbine blades in old wind farms will reach the end of their service life. Therefore, old wind turbine blades need to be recycled. Since the main raw materials of wind turbine blades are glass fiber, carbon fiber and thermosetting resin material, they can be used as admixtures for concrete, thereby realizing the recycling of wind turbine blades and reducing resource waste. However, wind turbine blades need to be crushed after recycling to be reused.
[0003] As disclosed in Chinese Application No. 202222988478.2, a waste wind turbine blade recycling device can crush large wind turbine blades into fragments for recycling, maximizing the value of the discarded blades. However, when crushing the old wind turbine blades, some large particles may not meet the requirements, and subsequent screening is required, which is not conducive to the crushing and recycling efficiency. SUMMARY
[0004] To overcome the existing deficiencies, the present application provides a waste wind turbine blade recycling device, which can solve the problem of large particles not meeting the requirements when crushing old wind turbine blades, and subsequent screening is required, which is not conducive to the crushing and recycling efficiency.
[0005] The technical solution adopted by the application to solve the technical problem is: a waste wind turbine blade recycling device, comprising a crushing part and a secondary crushing assembly.
[0006] The crushing part comprises a crushing bin, a crushing element is installed inside the crushing bin, a screen discharge element is provided at the bottom end of the crushing element, the screen discharge element comprises a first discharge screen and a discharge plate, the first discharge screen is arranged at the discharge end of the crushing bin, a material holding hopper is arranged at the bottom of the first discharge screen, and the discharge plate is fixedly connected to the outer side of the first discharge screen.
[0007] The secondary crushing assembly is located below the discharge plate.
[0008] In a specific embodiment, the re-pulverizing assembly comprises a pulverizing cylinder, the feed end of the pulverizing cylinder is below the discharge plate, the interior of the pulverizing cylinder is provided with a stirring crushing piece, and the bottom of the pulverizing cylinder is provided with a second discharge screen.
[0009] In a specific embodiment, the stirring crushing piece comprises a first motor, the first motor is mounted on the outer wall of the pulverizing cylinder, the conveying end of the first motor is fixedly connected with a stirring rod, the other end of the stirring rod is rotatably connected with the other side wall of the pulverizing cylinder through the side wall of the pulverizing cylinder, the stirring rod is provided with a mounting rod, each mounting rod is provided with a crushing blade, and each crushing blade has a different mounting angle.
[0010] In a specific embodiment, the bottom of the pulverizing cylinder is provided with a movable receiving bin.
[0011] In a specific embodiment, the bottom of the receiving bin is provided with a moving wheel.
[0012] In a specific embodiment, one side wall of the receiving bin is provided with a handle slot.
[0013] In a specific embodiment, the top of the pulverizing bin is provided with a feed bin, and the top of the feed bin is provided with a feed port.
[0014] In a specific embodiment, the first discharge screen and the second discharge screen have the same mesh number.
[0015] The advantages of the embodiments of the present application are:
[0016] 1. The cooperation of the first discharge screen and the discharge plate can screen the particles crushed by the fan blade, collect the qualified particles, and re-crush the unqualified particles until the requirements are met.
[0017] 2. The re-pulverizing assembly can re-crush the unqualified fan blade particles until the requirements are met again. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The first perspective structural schematic diagram of the waste fan blade recycling device is provided for the embodiments of the present application.
[0019] Figure 2 The second perspective structural schematic diagram of the waste fan blade recycling device is provided for the embodiments of the present application.
[0020] Figure 3 The pulverizing part structural schematic diagram is provided for the embodiments of the present application.
[0021] Figure 4A schematic view of the re-crushing assembly structure provided for the embodiment of the present application is shown in the figure.
[0022] Figure 5 A schematic view of the internal structure of the re-crushing assembly provided for the embodiment of the present application is shown in the figure.
[0023] Figure 6 A schematic view of the stirring crushing piece structure provided for the embodiment of the present application is shown in the figure.
[0024] Figure 7 A schematic view of the material receiving bin structure provided for the embodiment of the present application is shown in the figure.
[0025] In the figure: 10 - crushing part; 110 - crushing bin; 120 - crushing piece; 121 - second motor; 122 - crushing knife; 130 - material receiving hopper; 150 - screen discharge piece; 151 - first discharge screen; 160 - feeding bin; 152 - discharge plate; 20 - re-crushing assembly; 210 - crushing cylinder; 220 - stirring crushing piece; 221 - first motor; 222 - stirring rod; 223 - mounting rod; 224 - crushing blade; 230 - material receiving bin; 231 - handle slot; 240 - second discharge screen; 250 - moving wheel. DETAILED DESCRIPTION
[0026] The technical solution in the embodiment of the present application is to solve the problem that some large particles are generated during the crushing of the waste fan blade, the crushed particles do not meet the requirements, and subsequent screening is required, which is not conducive to the crushing and recycling efficiency. The overall idea is as follows:
[0027] Referring to Figures 1-7 , a waste fan blade recycling device includes a crushing part 10 and a re-crushing assembly 20.
[0028] Referring to Figure 1 , Figure 2 and Figure 3The crushing part 10 includes a crushing bin 110 mounted on the first support. The crushing bin 110 is internally provided with a crushing piece 120. Specifically, the crushing piece 120 includes a second motor 121 mounted on the side wall of the crushing bin 110. The crushing bin 110 is internally provided with a crushing knife 122 connected with the second motor 121. The second motor 121 drives the crushing knife 122 to rotate. The bottom end of the crushing piece 120 is provided with a screen discharge piece 150 including a first discharge screen 151 and a discharge plate 152. The first discharge screen 151 is arranged at the discharge end of the crushing bin 110. The bottom of the first discharge screen 151 is provided with a material hopper 130. The discharge plate 152 is fixedly connected with the outer side of the first discharge screen 151. The crushing piece 120 is started, and the cut-off waste fan blade is put into the crushing bin 110. The crushing piece 120 crushes the fan blade. The qualified crushed particles are screened by the first discharge screen 151 and dropped into the material hopper 130. The unqualified particles are discharged through the discharge plate 152 into the secondary crushing assembly 20 for secondary crushing. The cooperation of the first discharge screen 151 and the discharge plate 152 can screen the crushed particles of the fan blade. The qualified particles are collected and utilized. The unqualified particles are crushed again until the requirements are met.
[0029] The top of the crushing bin 110 is provided with a feeding bin 160. The top of the feeding bin 160 is provided with a feeding port. The fan blade is put into the crushing bin 110 through the feeding port of the feeding bin 160.
[0030] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 The feeding port of the secondary crushing assembly 20 is located below the discharge plate 152. The secondary crushing assembly 20 can crush the unqualified fan blade particles again until the requirements are met again.
[0031] The re-pulverizing assembly 20 comprises a pulverizing barrel 210, the feed end of the pulverizing barrel 210 is located below the discharge plate 152, and the pulverizing barrel 210 is installed on the second support frame. The inside of the pulverizing barrel 210 is provided with a stirring crushing piece 220, and the bottom of the pulverizing barrel 210 is provided with a second discharge screen 240. The stirring crushing piece 220 comprises a first motor 221, the first motor 221 is installed on the outer wall of the pulverizing barrel 210, the conveying end of the first motor 221 is fixedly connected with a stirring rod 222, the other end of the stirring rod 222 is rotatably connected with the other side wall of the pulverizing barrel 210, the stirring rod 222 is provided with a mounting rod 223, each mounting rod 223 is provided with a crushing blade 224, and the installation angle of each crushing blade 224 is different. Wherein, the unqualified particles enter the inside of the pulverizing barrel 210 through the discharge plate 152, the first motor 221 is started, the stirring rod 222 is rotated, and then each crushing blade 224 is rotated, so that the unqualified particles are re-crushed, and the qualified particles after crushing enter the receiving bin 230 through the second discharge screen 240, and the particles that cannot be screened out are continuously crushed by the stirring rod 222.
[0032] The bottom of the pulverizing barrel 210 is provided with a movable receiving bin 230. The bottom of the receiving bin 230 is provided with a moving wheel 250. One side wall of the receiving bin 230 is provided with a handle groove 231. Wherein, the mesh number of the first discharge screen 151 and the second discharge screen 240 is the same. Through the mesh number of the first discharge screen 151 and the second discharge screen 240 is the same, it is guaranteed that the maximum particle size of the obtained particles is the same, so that the particles can be used together as admixture of concrete, and the particle size difference is prevented.
[0033] When the application is used: the pulverizing piece 120 is started, and then the cut-off waste fan blades are put into the pulverizing bin 110, the fan blades are pulverized by the pulverizing piece 120, the qualified particles after pulverizing are screened out through the first discharge screen 151 and fall into the receiving hopper 130, and the particles that cannot be screened out enter the re-pulverizing assembly 20 through the discharge plate 152 for re-pulverizing. Through the cooperation of the first discharge screen 151 and the discharge plate 152, the crushed particles of the fan blades can be screened, the qualified particles are collected and utilized, and the unqualified particles are re-crushed until the requirements are met. Through the re-pulverizing assembly 20, the unqualified fan blade particles can be re-crushed until the requirements are met again.
[0034] In summary, through the cooperation of the first discharge screen 151 and the discharge plate 152, the crushed particles of the fan blades can be screened, the qualified particles are collected and utilized, and the unqualified particles are re-crushed until the requirements are met.
[0035] It should be noted that the specific model of the first motor 221 and the second motor 121 needs to be determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.
[0036] The power supply of the first motor 221 and the second motor 121 and its principle are clear to those skilled in the art, and will not be described in detail here.
[0037] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the present application, and are not limitations on the embodiments. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.
Claims
1. A waste wind turbine blade recycling and processing device, characterized in that, include The crushing section (10) includes a crushing chamber (110), in which a crushing component (120) is installed. A screen discharge component (150) is provided at the bottom of the crushing component (120). The screen discharge component (150) includes a first discharge screen (151) and a discharge plate (152). The first discharge screen (151) is located at the discharge end of the crushing chamber (110). A hopper (130) is provided at the bottom of the first discharge screen (151). The discharge plate (152) is fixedly connected to the outside of the first discharge screen (151). The feed inlet of the re-crushing assembly (20) is located below the discharge plate (152).
2. The waste wind turbine blade recycling and processing device as described in claim 1, characterized in that, The re-crushing assembly (20) includes a crushing cylinder (210), the feed end of which is located below the discharge plate (152), a stirring and crushing component (220) is installed inside the crushing cylinder (210), and a second discharge screen (240) is provided at the bottom of the crushing cylinder (210).
3. The waste wind turbine blade recycling and processing device as described in claim 2, characterized in that, The mixing and crushing component (220) includes a first motor (221), which is installed on the outer wall of the crushing cylinder (210). The conveying end of the first motor (221) is fixedly connected to a stirring rod (222). The other end of the stirring rod (222) rotatably passes through the side wall of the crushing cylinder (210) and is rotatably connected to the other side wall. An installation rod (223) is installed on the stirring rod (222). Each installation rod (223) is equipped with a crushing blade (224), and each crushing blade (224) has a different installation angle.
4. The waste wind turbine blade recycling and processing device as described in claim 3, characterized in that, The bottom of the crushing cylinder (210) is provided with a movable receiving bin (230).
5. The waste wind turbine blade recycling and processing device as described in claim 4, characterized in that, The bottom of the receiving bin (230) is equipped with casters (250).
6. The waste wind turbine blade recycling and processing device as described in claim 5, characterized in that, A handle groove (231) is provided on one side wall of the receiving bin (230).
7. The waste wind turbine blade recycling and processing device as described in claim 1, characterized in that, The top of the crushing chamber (110) is provided with a feeding chamber (160), and the top of the feeding chamber (160) is provided with a feeding port.
8. The waste wind turbine blade recycling and processing device as described in claim 2, characterized in that, The first discharge screen (151) and the second discharge screen (240) have the same mesh count.
Citation Information
Patent Citations
Waste fan blade recovery processing device
CN219130307U