Supercritical fluid foaming type recovery device

By designing crushing rollers and screw feed rods in supercritical fluid foam recycling device, and using rotary transmission components to achieve uniform crushing and transport of photovoltaic waste, the problem that existing devices cannot effectively crush photovoltaic waste, and improve the dissolution effect.

CN222985215UActive Publication Date: 2025-06-17NINGXIA UNIVERSITY
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Patent Information

Application Number
CN202421776313.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-06-17
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The existing supercritical fluid foam recycling device cannot effectively perform secondary crushing of photovoltaic waste, resulting in uneven crushing and affecting the subsequent dissolution effect.

Method used

A supercritical fluid foam recovery device including a crushing roller and a screw feed rod is designed. The crushing roller and a screw feed rod are driven to rotate through a rotating transmission assembly to achieve uniform crushing and transport of photovoltaic waste.

Benefits of technology

The secondary crushing of larger pieces of unqualified photovoltaic waste is achieved, making the crushing of photovoltaic waste more evenly and improving the subsequent dissolution effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of recovery devices, and discloses a supercritical fluid foaming type recovery device which solves the problems that an existing supercritical fluid foaming type recovery device cannot secondarily crush large unqualified photovoltaic waste materials, the photovoltaic waste materials are prone to being crushed unevenly, and the follow-up dissolving effect is affected. The device comprises a supercritical fluid kettle, two supporting legs are fixedly mounted at the bottom of the supercritical fluid kettle, a kettle door is movably mounted at one end of the supercritical fluid kettle, an equipment box is fixedly mounted in the middle of the top of the supercritical fluid kettle, a feeding hopper is fixedly mounted at the top of the equipment box, and a conveying cylinder is fixedly mounted on one side of the top of the supercritical fluid kettle; a feeding box is fixedly mounted at the lower part between the conveying cylinder and the equipment box; according to the supercritical fluid foaming type recovery device, large unqualified photovoltaic waste can be subjected to secondary crushing, so that the photovoltaic waste is crushed sufficiently and uniformly, and the subsequent dissolving effect is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of recycling devices, and particularly relates to a supercritical fluid foaming type recycling device. Background Art

[0002] In recent years, China's photovoltaic industry has continued to develop at a high speed and has become the world's largest producer of photovoltaic modules and the country with the largest application of photovoltaic power generation. However, due to the designed service life of photovoltaic modules, in the next few years, a large number of photovoltaic modules in China will be retired or discarded; the EVA film and backplane in photovoltaic modules will be excellent recycled plastics after extraction and processing, and thus a critical fluid foaming type recycling device is needed to recycle the EVA film and backplane; a supercritical fluid foaming type recycling device is a device that uses the characteristics of supercritical fluid to recycle foaming materials under specific conditions; as the name implies, a supercritical fluid foaming type recycling device is a device that uses the special properties (such as high diffusivity, high solubility, etc.) of supercritical fluid to foam and recycle waste materials; during the foaming process, no chemical foaming agent is added, which belongs to the category of physical foaming.

[0003] In the prior art, the supercritical fluid foaming type recycling device needs to crush photovoltaic waste before dissolving EVA and backplane films. However, the existing supercritical fluid foaming type recycling device has a poor crushing effect on photovoltaic waste, and cannot perform secondary crushing on larger unqualified photovoltaic waste, which easily leads to uneven crushing of photovoltaic waste and affects the subsequent dissolution effect. Summary of the Utility Model

[0004] In view of the above situation, to overcome the defects of the prior art, the utility model provides a supercritical fluid foaming type recycling device, which effectively solves the problem that the existing supercritical fluid foaming type recycling device cannot perform secondary crushing on larger unqualified photovoltaic waste, easily leads to uneven crushing of photovoltaic waste, and affects the subsequent dissolution effect.

[0005] To achieve the above object, the present utility model provides the following technical solution: A supercritical fluid foaming type recycling device, including a supercritical fluid kettle, two support feet are fixedly installed at the bottom of the supercritical fluid kettle, a kettle door is movably installed at one end of the supercritical fluid kettle, a device box is fixedly installed in the middle of the top of the supercritical fluid kettle, a feed hopper is fixedly installed on the top of the device box, a conveying cylinder is fixedly installed on one side of the top of the supercritical fluid kettle, a feed box is fixedly installed at the lower part between the conveying cylinder and the device box, a mounting frame is fixedly installed on one side of the rear of the device box, two crushing rollers are provided at the upper part inside the device box, a sieve plate is fixedly installed at the lower part inside the device box, a motor is fixedly installed on one side of the mounting frame, a rotary transmission component is provided at the output end of the motor, a spiral feeding rod is rotatably installed at the bottom inside the conveying cylinder, and the motor is respectively in transmission connection with the two crushing rollers and the spiral feeding rod through the rotary transmission component. The motor outputs power to the two crushing rollers and the spiral feeding rod through the rotary transmission component to crush and convey the photovoltaic waste.

[0006] Preferably, the rotary transmission component includes a first gear and a second shaft rod. The first gear is fixedly installed at the output end of the motor, the second shaft rod is fixedly installed at the top of the spiral feeding rod, the top of the second shaft rod extends to the upper part of the conveying cylinder and is fixedly installed with a first bevel gear, the surface of the second shaft rod is rotatably installed with a second shaft sleeve, the second shaft sleeve is fixedly installed in the middle of the top of the conveying cylinder, a discharge pipe is fixedly installed at the upper part of the surface of the conveying cylinder, and the second gear is meshed and connected with one side of the first gear.

[0007] Preferably, first shaft rods are fixedly installed on one side of both the second gear and the first gear. One ends of the two first shaft rods penetrate through the device box and extend to the other side of the device box. First shaft sleeves are rotatably installed at both ends of the surfaces of the two first shaft rods, and the four first shaft sleeves are respectively fixedly installed on both sides of the front and rear parts of the device box. The middle parts of the surfaces of the two first shaft rods are respectively fixedly connected with the two crushing rollers.

[0008] Preferably, a first sprocket is fixedly installed on the other side of the second gear, a second bevel gear is meshed and connected with one side of the first bevel gear, a third shaft rod is fixedly installed on one side of the second bevel gear, two third shaft sleeves are rotatably installed on the surface of the third shaft rod, a connecting frame is fixedly installed between the lower parts of the two third shaft sleeves, the bottom of the connecting frame is fixedly connected with the conveying cylinder, and a second sprocket is fixedly installed at one end of the third shaft rod. A chain is meshed and connected between the second sprocket and the first sprocket.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: The operator puts photovoltaic waste into the interior of the equipment box through the feed hopper. At the same time, the operator starts the motor to drive the first gear to rotate. When the first gear rotates, it drives the second gear to rotate. When the second gear and the first gear rotate, they both drive the first shaft rod to rotate along the interior of the first bushing. When the first shaft rod rotates, it drives the crushing roller to rotate, thereby crushing the photovoltaic waste. The crushed waste falls on the screening plate, and the qualified waste falls into the interior of the supercritical fluid autoclave. The larger unqualified waste slides into the conveying cylinder through the feed box;

[0010] When the second gear rotates, it drives the first sprocket to rotate. The first sprocket drives the second sprocket to rotate through the chain. When the second sprocket rotates, it drives the third shaft rod to rotate along the interiors of the two third bushings. When the third shaft rod rotates, it drives the first bevel gear to rotate through the second bevel gear. When the first bevel gear rotates, it drives the second shaft rod to rotate along the interior of the second bushing. When the second shaft rod rotates, it drives the spiral feeding rod to rotate, thereby conveying the unqualified crushed materials to the upper part inside the conveying cylinder and re-entering the interior of the equipment box through the discharge pipe for crushing; enabling the supercritical fluid foaming type recycling device of the present utility model to perform secondary crushing on the larger unqualified photovoltaic waste, making the crushing of the photovoltaic waste uniform enough to improve the subsequent dissolution effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model.

[0012] In the drawings:

[0013] Figure 1 is a schematic structural view of the supercritical fluid foaming type recycling device of the present utility model Figure 1 ;

[0014] Figure 2 is a schematic structural view of the supercritical fluid foaming type recycling device of the present utility model Figure 2 ;

[0015] Figure 3 is a schematic structural view of the supercritical fluid foaming type recycling device of the present utility model Figure 3 ;

[0016] Figure 4 is a schematic internal structural view of the equipment box and the conveying cylinder of the present utility model;

[0017] In the figure: 1. Supercritical fluid kettle; 2. Support feet; 3. Equipment box; 4. Feed hopper; 5. Conveyor tube; 6. Kettle door; 7. Mounting frame; 8. Motor; 9. First gear; 10. Second gear; 11. First sprocket; 12. First shaft rod; 13. First shaft sleeve; 14. Crushing roller; 15. Screening plate; 16. Feed box; 17. Screw conveyor rod; 18. Second shaft rod; 19. Second shaft sleeve; 20. Discharge pipe; 21. First bevel gear; 22. Second bevel gear; 23. Third shaft rod; 24. Third shaft sleeve; 25. Connecting frame; 26. Second sprocket; 27. Chain. Specific implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Given by Figures 1 to 4 The present invention includes a supercritical fluid kettle 1. Two support feet 2 are fixedly installed at the bottom of the supercritical fluid kettle 1. A kettle door 6 is movably installed at one end of the supercritical fluid kettle 1. The middle of the top of the supercritical fluid kettle 1 is fixedly installed with an equipment box 3. The top of the equipment box 3 is fixedly installed with a feed hopper 4. One side of the top of the supercritical fluid kettle 1 is fixedly installed with a conveyor tube 5. A feed box 16 is fixedly installed at the lower part between the conveyor tube 5 and the equipment box 3. One side of the rear part of the equipment box 3 is fixedly installed with a mounting frame 7. Two crushing rollers 14 are provided at the upper part inside the equipment box 3. A screening plate 15 is fixedly installed at the lower part inside the equipment box 3. A motor 8 is fixedly installed on one side of the mounting frame 7. A rotary transmission assembly is provided at the output end of the motor 8. A screw conveyor rod 17 is rotatably installed at the bottom inside the conveyor tube 5. The motor 8 is respectively connected to the two crushing rollers 14 and the screw conveyor rod 17 through the rotary transmission assembly. The motor 8 outputs power to the two crushing rollers 14 and the screw conveyor rod 17 through the rotary transmission assembly to crush and convey the photovoltaic waste.

[0020] The operator puts the photovoltaic waste into the interior of the equipment box 3 through the feed hopper 4. At the same time, the operator starts the motor 8 to drive the rotation of the rotating transmission component. The operation of the rotating transmission component drives the crushing rollers 14 to rotate, thereby crushing the photovoltaic waste. The crushed waste falls on the screening plate 15. The qualified waste falls into the interior of the supercritical fluid kettle 1. The larger unqualified waste slides into the conveying cylinder 5 through the feed box 16. While the rotating transmission component is operating, it drives the spiral feeding rod 17 to rotate, thereby conveying the unqualified crushed materials to the upper part inside the conveying cylinder 5 and re-entering the interior of the equipment box 3 through the discharge pipe 20 for crushing. This enables the supercritical fluid foaming type recycling device to perform secondary crushing on the larger unqualified photovoltaic waste, making the crushing of the photovoltaic waste uniform enough to improve the subsequent dissolution effect.

[0021] The rotating transmission component includes a first gear 9 and a second shaft rod 18. The first gear 9 is fixedly installed at the output end of the motor 8. The second shaft rod 18 is fixedly installed at the top of the spiral feeding rod 17. The top of the second shaft rod 18 extends to the upper part of the conveying cylinder 5 and is fixedly installed with a first bevel gear 21. The surface of the second shaft rod 18 is rotatably installed with a second shaft sleeve 19. The second shaft sleeve 19 is fixedly installed in the middle of the top of the conveying cylinder 5. The upper part of the surface of the conveying cylinder 5 is fixedly installed with a discharge pipe 20. One side of the first gear 9 is meshed and connected with a second gear 10. Both the second gear 10 and one side of the first gear 9 are fixedly installed with a first shaft rod 12. One end of each of the two first shaft rods 12 penetrates through the equipment box 3 and extends to the other side of the equipment box 3. Both ends of the surfaces of the two first shaft rods 12 are rotatably installed with first shaft sleeves 13. The four first shaft sleeves 13 are respectively fixedly installed on both sides of the front and rear parts of the equipment box 3. The middle parts of the surfaces of the two first shaft rods 12 are respectively fixedly connected with the two crushing rollers 14. The other side of the second gear 10 is fixedly installed with a first sprocket 11. One side of the first bevel gear 21 is meshed and connected with a second bevel gear 22. One side of the second bevel gear 22 is fixedly installed with a third shaft rod 23. The surface of the third shaft rod 23 is rotatably installed with two third shaft sleeves 24. A connecting frame 25 is fixedly installed between the lower parts of the two third shaft sleeves 24. The bottom of the connecting frame 25 is fixedly connected with the conveying cylinder 5. One end of the third shaft rod 23 is fixedly installed with a second sprocket 26. A chain 27 is meshed and connected between the second sprocket 26 and the first sprocket 11.

[0022] The motor 8 drives the first gear 9 to rotate. When the first gear 9 rotates, it drives the second gear 10 to rotate. When both the second gear 10 and the first gear 9 rotate, they drive the first shaft 12 to rotate along the inside of the first bushing 13. When the first shaft 12 rotates, it drives the crushing roller 14 to rotate, thereby crushing the photovoltaic waste. When the second gear 10 rotates, it drives the first sprocket 11 to rotate. The first sprocket 11 drives the second sprocket 26 to rotate through the chain 27. When the second sprocket 26 rotates, it drives the third shaft 23 to rotate along the inside of the two third bushings 24. When the third shaft 23 rotates, it drives the first bevel gear 21 to rotate through the second bevel gear 22. When the first bevel gear 21 rotates, it drives the second shaft 18 to rotate along the inside of the second bushing 19. When the second shaft 18 rotates, it drives the spiral feeding rod 17 to rotate, thereby re-conveying the unqualified crushed materials.

Claims

1. A supercritical fluid foaming recovery device, comprising a supercritical fluid kettle (1), characterized in that: The bottom of the supercritical fluid kettle (1) is fixedly provided with two supporting legs (2); one end of the supercritical fluid kettle (1) is movably provided with a kettle door (6); a device box (3) is fixedly provided in the middle of the top of the supercritical fluid kettle (1); a feed hopper (4) is fixedly provided on the top of the device box (3); a conveying cylinder (5) is fixedly provided on one side of the top of the supercritical fluid kettle (1); a feed box (16) is fixedly provided on the lower part between the conveying cylinder (5) and the device box (3); a mounting frame (7) is fixedly provided on one side of the rear part of the device box (3); and two A crushing roller (14) is provided, a screening plate (15) is fixedly installed at the lower part of the interior of the equipment box (3), a motor (8) is fixedly installed on one side of the mounting frame (7), a rotating transmission component is provided at the output end of the motor (8), a spiral feed rod (17) is rotatably installed at the bottom of the interior of the conveying cylinder (5), the motor (8) is respectively connected to the two crushing rollers (14) and the spiral feed rod (17) through the rotating transmission component, and the motor (8) outputs power to the two crushing rollers (14) and the spiral feed rod (17) through the rotating transmission component, so that the photovoltaic waste is crushed and transported.

2. A supercritical fluid foaming recovery device according to claim 1, characterized in that: The rotary transmission assembly comprises a first gear (9) and a second shaft (18), wherein the first gear (9) is fixedly mounted on the output end of the motor (8), the second shaft (18) is fixedly mounted on the top of the spiral feed rod (17), the top of the second shaft (18) extends to the upper part of the conveying cylinder (5) and is fixedly mounted with a first bevel gear (21), a second shaft sleeve (19) is rotatably mounted on the surface of the second shaft (18), the second shaft sleeve (19) is fixedly mounted on the middle part of the top of the conveying cylinder (5), a discharge pipe (20) is fixedly mounted on the upper part of the surface of the conveying cylinder (5), and one side of the first gear (9) is meshingly connected with the second gear (10).

3. A supercritical fluid foaming recovery device according to claim 2, characterized in that: A first shaft (12) is fixedly mounted on one side of the second gear (10) and the first gear (9), one end of each of the two first shafts (12) passes through the equipment box (3) and extends to the other side of the equipment box (3), first shaft sleeves (13) are rotatably mounted on both ends of the surface of the two first shafts (12), the four first shaft sleeves (13) are respectively fixedly mounted on both sides of the front and rear parts of the equipment box (3), and the middle parts of the surfaces of the two first shafts (12) are respectively fixedly connected to the two crushing rollers (14).

4. A supercritical fluid foaming recovery device according to claim 2, characterized in that: A first sprocket (11) is fixedly mounted on the other side of the second gear (10); a second bevel gear (22) is meshedly connected to one side of the first bevel gear (21); a third shaft rod (23) is fixedly mounted on one side of the second bevel gear (22); two third shaft sleeves (24) are rotatably mounted on the surface of the third shaft rod (23); a connecting frame (25) is fixedly mounted between the lower parts of the two third shaft sleeves (24); the bottom of the connecting frame (25) is fixedly connected to the conveying cylinder (5); a second sprocket (26) is fixedly mounted on one end of the third shaft rod (23); a chain (27) is meshedly connected between the second sprocket (26) and the first sprocket (11).