A centrifugal separation device for crushing and separating impurities from waste marine plastics.

By combining a filter cartridge and a rotating rod, and utilizing the cooperation of a motor, effective separation of impurities from waste marine plastics is achieved, solving the problem of incomplete separation of impurities in crushed plastics and improving the quality of recycled products.

CN224275797UActive Publication Date: 2026-05-26YINGRUITE RENEWABLE RESOURCES TECH (LIANYUNGANG) CO LTD
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Patent Information

Application Number
CN202521301082.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-24
Publication Date
2026-05-26
Estimated Expiration
2035-06-24

AI Technical Summary

Technical Problem

In existing technologies, the crushed waste marine plastics still contain a large number of impurities, which affects the quality of recycled products, and the plastics fail to effectively collide and separate when sliding on the spiral slide.

Method used

It adopts a combination structure of filter cylinder, rotating rod, motor, stirring plate, motor and gear. The motor drives the rotating rod to stir the plastic, and the motor drives the gear to rotate the filter cylinder in the opposite direction, so as to achieve uniform collision between the plastic and the stirring plate and enhance the separation effect of impurities.

Benefits of technology

It improves the separation of impurities from waste marine plastics, ensuring the effective separation of plastics and impurities, and enhancing the quality of recycled products.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses a centrifugal separation device for crushing and separating impurities from waste marine plastics. The device includes a crushing chamber with a base plate underneath. A filter cylinder is rotatably connected to the bottom of the crushing chamber. A motor is mounted on the upper surface of the base plate, and a rotating rod is mounted on the output end of the motor. The top of the rotating rod extends into the interior of the filter cylinder, and an annularly arranged stirring plate is fixedly connected to the outer surface of the rotating rod. Through the coordinated operation of the filter cylinder, rotating rod, motor, stirring plates, gear, and gear ring, the device utilizes the motor's operation to drive the stirring plates to agitate the waste plastics inside the filter cylinder. Simultaneously, the motor drives the gear to rotate, causing the filter cylinder to rotate in the opposite direction to the rotating rod. This ensures uniform collision between the waste plastics and the stirring plates and filter cylinder, further improving the separation of impurities from the waste plastics.
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Description

Technical Field

[0001] This application relates to the field of waste plastic recycling and processing technology, and in particular to a waste marine plastic crushing and impurity separation device based on centrifugal sorting. Background Technology

[0002] Marine plastic pollution is becoming increasingly serious. Recycling and reusing waste marine plastics not only helps reduce marine pollution but also enables the recycling of resources. When recycling waste marine plastics, they usually need to be crushed first for subsequent processing. However, the crushed material still contains a large number of impurities. If they are not effectively separated, they will seriously affect the quality of recycled waste marine plastic products.

[0003] Application No. 202221982904.5 discloses a waste plastic sorting and separation device, including a cylinder. A separation cylinder is rotatably connected to the bottom of the inner wall of the cylinder, and a drive rod is connected to the top of the separation cylinder. The top end of the drive rod penetrates the cylinder and extends to the outside of the cylinder. The separation cylinder has screen holes. A spiral slide is provided between the inner wall of the cylinder and the outer side of the separation cylinder. A discharge chute is provided at the bottom of the right side of the cylinder. This waste plastic sorting and separation device can quickly sort and separate waste plastics through the cooperation of the screen cylinder and the separation cylinder, separating the impurities on the surface of the waste plastics from the waste plastics, facilitating subsequent processing of the waste plastics. Through the action of the drive plate and push plate, the waste plastics accumulated inside the hopper can be pushed to prevent excessive accumulation of waste plastics inside the hopper from clogging the feed pipe and ensuring the stability of feeding.

[0004] The above solution has shortcomings in use. When the plastic slides on the spiral slide, some of the plastic will slide in the middle of the spiral slide without collision, which will further affect the effect of impurity separation. To solve the above problem, we propose a waste marine plastic crushing and impurity separation device based on centrifugal separation. Utility Model Content

[0005] The purpose of this application is to provide a centrifugal separation device for crushing and separating impurities from waste marine plastics, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A centrifugal separation device for crushing and separating impurities from waste marine plastics includes a crushing box, a bottom plate below the crushing box, a filter cylinder rotatably connected to the bottom surface of the crushing box, a motor mounted on the upper surface of the bottom plate, a rotating rod mounted on the output end of the motor, the top end of the rotating rod extending into the interior of the filter cylinder, annularly arranged stirring plates fixedly connected to the outer surface of the rotating rod, and a drive structure above the bottom plate for rotating the filter cylinder in the opposite direction to the rotating rod.

[0008] In a further embodiment, the drive structure includes a motor mounted on the upper surface of the base plate, a gear fixedly connected to the output end of the motor, a gear ring meshing with the outside of the gear, and the top end of the gear ring being connected to the bottom surface of the filter cartridge.

[0009] In a further embodiment, an annular cylinder is provided outside the filter cylinder, and the top of the annular cylinder is connected to the bottom surface of the crushing box. The outer surface of the annular cylinder is provided with annularly arranged discharge ports.

[0010] In a further embodiment, a discharge gate is provided at the bottom end of the outer surface of the filter cylinder.

[0011] In a further embodiment, the bottom surface of the filter cartridge is fixedly connected with a ring of trays, and the bottom end of each tray is slidably connected to the upper surface of the base plate.

[0012] In a further embodiment, the outer surface of the crushing box is fixedly connected with a ring of support plates, and the bottom end of each support plate is connected to the outer surface of the base plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This application utilizes a filter cylinder, rotating rod, motor, stirring plate, gear, and gear ring in a coordinated manner. The motor drives the rotating rod to agitate the waste plastic inside the filter cylinder, while the motor drives the gear to rotate, causing the filter cylinder to rotate in the opposite direction to the rotating rod. This allows for uniform collisions between the waste plastic and the stirring plate and filter cylinder, further improving the separation of impurities from the waste plastic. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a waste marine plastic crushing and impurity separation device based on centrifugal sorting.

[0016] Figure 2 This is a three-dimensional structural schematic diagram of the annular cylinder of a centrifugal separation device for crushing and separating impurities from waste marine plastics.

[0017] Figure 3This is a three-dimensional structural schematic diagram of the filter cartridge of a centrifugal separation device for crushing and separating impurities from waste marine plastics.

[0018] In the diagram: 1. Crushing box; 2. Annular cylinder; 3. Discharge port; 4. Support plate; 5. Bottom plate; 6. Motor; 7. Filter cylinder; 8. Discharge gate; 9. Support plate; 10. Gear ring; 11. Rotating rod; 12. Motor; 13. Gear; 14. Mixing plate. Detailed Implementation

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 In this utility model, a waste marine plastic crushing and impurity separation device based on centrifugal sorting includes a crushing box 1. The crushing box 1 is equipped with crushing equipment to crush waste plastic. A bottom plate 5 is provided below the crushing box 1. A ring-shaped support plate 4 is fixedly connected to the outer surface of the crushing box 1. The bottom end of each support plate 4 is connected to the outer surface of the bottom plate 5. The support plate 4 can be used to connect the crushing box 1 and the bottom plate 5 to further ensure the firmness of the crushing box 1.

[0022] A filter cylinder 7 is rotatably connected to the bottom surface of the crushing box 1. A motor 6 is installed on the upper surface of the bottom plate 5. A rotating rod 11 is installed at the output end of the motor 6. The top end of the rotating rod 11 extends into the interior of the filter cylinder 7. A ring-shaped stirring plate 14 is fixedly connected to the outer surface of the rotating rod 11. The crushed waste plastic will fall into the filter cylinder 7. When the motor 6 works, it will drive the rotating rod 11 to rotate. The rotating rod 11 will drive the stirring plate 14 to rotate and agitate the waste plastic, further ensuring the effect of collision with the waste plastic to remove impurities. A discharge gate 8 is provided at the bottom of the outer surface of the filter cylinder 7. The waste plastic inside the filter cylinder 7 can be discharged through the discharge gate 8.

[0023] A drive structure is provided above the base plate 5 to make the filter cylinder 7 rotate in the opposite direction to the rotating rod 11. The drive structure includes a motor 12 mounted on the upper surface of the base plate 5. A gear 13 is fixedly connected to the output end of the motor 12. A gear ring 10 meshes with the outside of the gear 13. The top end of the gear ring 10 is connected to the bottom surface of the filter cylinder 7. The operation of the motor 12 can drive the gear 13 to rotate. The gear 13 will drive the gear ring 10 to rotate. The gear ring 10 will then drive the filter cylinder 7 to rotate in the opposite direction to the rotation of the rotating rod 11, so that the detached impurities are subjected to centrifugal force. A ring of support plates 9 is fixedly connected to the bottom surface of the filter cylinder 7. The bottom end of each support plate 9 is slidably connected to the upper surface of the base plate 5. The support plates 9 can support the bottom end of the filter cylinder 7 on the base plate 5, which can further enhance the stability of the filter cylinder 7 when rotating.

[0024] The filter cylinder 7 is provided with an annular cylinder 2, and the top of the annular cylinder 2 is connected to the bottom of the crushing box 1. The outer surface of the annular cylinder 2 is provided with annularly arranged discharge ports 3. The annular cylinder 2 can be used to block and collect the impurities thrown out of the filter cylinder 7, and the staff can process the thrown impurities from the discharge ports 3.

[0025] The working principle of this application is as follows: When in use, waste plastic is added to the crushing box 1. The crushed plastic enters the filter cylinder 7. Then, the motor 6 and motor 12 are controlled to work synchronously in opposite directions. The motor 6 drives the rotating rod 11 to rotate, and the stirring plate 14 stirs the plastic fragments inside the filter cylinder 7. At the same time, the motor 12 drives the gear 13 to rotate, and the gear 13 drives the gear ring 10 to rotate. The gear ring 10 synchronously drives the filter cylinder 7 to rotate, which can make the plastic fragments collide evenly with the filter cylinder 7 and the stirring plate 14. The impurities that are detached from the plastic are thrown out along the filter cylinder 7 into the annular cylinder 2, further ensuring the effect of separating impurities from waste plastic.

[0026] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for separating broken impurities of waste marine plastics based on centrifugal sorting, characterized by: The device includes a crushing box (1), a bottom plate (5) is provided below the crushing box (1), a filter cylinder (7) is rotatably connected to the bottom surface of the crushing box (1), a motor (6) is installed on the upper surface of the bottom plate (5), a rotating rod (11) is installed at the output end of the motor (6), the top end of the rotating rod (11) extends into the interior of the filter cylinder (7), a ring-shaped stirring plate (14) is fixedly connected to the outer surface of the rotating rod (11), and a drive structure is provided above the bottom plate (5) for making the filter cylinder (7) rotate in the opposite direction to the rotating rod (11).

2. The waste marine plastic crushing and impurity separation device based on centrifugal sorting according to claim 1, characterized in that: The drive structure includes a motor (12) mounted on the upper surface of the base plate (5). A gear (13) is fixedly connected to the output end of the motor (12). A gear ring (10) meshes with the outside of the gear (13). The top end of the gear ring (10) is connected to the bottom surface of the filter cylinder (7).

3. The waste marine plastic crushing and impurity separation device based on centrifugal sorting according to claim 1, characterized in that: The filter cylinder (7) is provided with an annular cylinder (2) on the outside, and the top of the annular cylinder (2) is connected to the bottom surface of the crushing box (1). The outer surface of the annular cylinder (2) is provided with annularly arranged discharge ports (3).

4. The waste marine plastic crushing and impurity separation device based on centrifugal sorting according to claim 1, characterized in that: The filter cylinder (7) is provided with a discharge gate (8) at the bottom of its outer surface.

5. The waste marine plastic crushing and impurity separation device based on centrifugal sorting according to claim 1, characterized in that: The bottom surface of the filter cylinder (7) is fixedly connected with a ring of trays (9), and the bottom end of each tray (9) is slidably connected to the upper surface of the base plate (5).

6. The waste marine plastic crushing and impurity separation device based on centrifugal sorting according to claim 1, characterized in that: The outer surface of the crushing box (1) is fixedly connected with a ring of support plates (4), and the bottom end of each support plate (4) is connected to the outer surface of the bottom plate (5).

Citation Information

Patent Citations

  • Sorting and separating device for waste plastics

    CN218111376U