A regenerative plastic particle drying device

Abstract

This utility model relates to the field of drying equipment technology, specifically a drying device for recycled plastic granules, including an outer cylinder, an inner cylinder, and a multi-layer conveying assembly. The outer bottom surface of the inner cylinder and the inner bottom surface of the inner cylinder are rotatably connected by a rotating shaft. The multi-layer conveying assembly includes a conveying plate, a lifting plate, and a scraper. The conveying plate and the lifting plate are fixedly connected to the outer side of the inner cylinder, and the scraper is slidably connected to the inner side of the outer cylinder. Multiple conveying plates are staggered and inclined along the outer surface of the inner cylinder. The lifting plate and the conveying plate are inclined in opposite directions. The conveying plate and the lifting plate are fixedly connected by an arc. The bottom of the outer cylinder is provided with a discharge port, and the top of the outer cylinder is fixedly installed with a top cover. A drive motor is connected to the bottom of the rotating shaft. This utility model controls the falling speed of the material through multiple vertically distributed conveying plates and scrapers, making the material discharge speed relatively uniform. At the same time, by controlling the falling speed of the material, the accumulation of material at the discharge port is avoided, which facilitates the collection of material.

Description

Technical Field

[0001] This utility model relates to a drying device, and more particularly to a drying device for recycled plastic granules, belonging to the technical field of drying devices. Background Technology

[0002] Drying is a crucial step in the production of recycled plastic pellets. Existing recycled plastic pellet drying equipment suffers from chaotic discharge. Many traditional drying devices use gravity-fed discharge, which, due to the lack of an effective discharge control structure, results in uneven discharge speeds of plastic pellets, sometimes too fast and sometimes too slow. This affects production efficiency and makes subsequent pellet collection and packaging processes difficult to carry out smoothly.

[0003] Therefore, it is urgent to improve the drying equipment for recycled plastic pellets to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a drying device for recycled plastic granules. By using multiple conveyor plates and scrapers distributed vertically, the falling speed of the material is controlled, making the discharge speed of the material relatively uniform. At the same time, by controlling the falling speed of the material, the accumulation of material at the discharge port is avoided, which facilitates the collection of the material.

[0005] To achieve the above objectives, the main technical solution adopted by this utility model includes: an outer cylinder, an inner cylinder, and a multi-layer conveying assembly. The outer bottom surface of the inner cylinder and the inner bottom surface of the inner cylinder are rotatably connected by a rotating shaft. The multi-layer conveying assembly includes a conveying plate, a lifting plate, and a scraper. The conveying plate and the lifting plate are fixedly connected to the outer side surface of the inner cylinder. The scraper is slidably connected to the inner side surface of the outer cylinder. Multiple conveying plates are staggered and inclined along the outer surface of the inner cylinder. The lifting plate and the conveying plate are inclined in opposite directions. The conveying plate and the lifting plate are fixedly connected by an arc. The bottom of the outer cylinder is provided with a discharge port. A top cover is fixedly installed on the top of the outer cylinder. A drive motor is connected to the bottom of the rotating shaft.

[0006] Preferably, the top cover surface has a feed inlet, and the top of the outer surface of the inner cylinder is fixedly connected to an inclined baffle.

[0007] Preferably, a groove is provided on the inner side of the outer cylinder, one end of the scraper is inserted into the groove and slidably connected to the groove, and a spring is provided in the groove, with both ends of the spring abutting against the groove and the scraper respectively.

[0008] Preferably, a silicone plate is fixedly connected to the surface of the scraper, and the silicone plate is in contact with the upper surface of the conveyor plate.

[0009] Preferably, heating plates are fixedly installed inside the inner cylinder and outside the outer cylinder, and an inspection cover is fixedly installed on the top of the inner cylinder.

[0010] Preferably, an outer shell is fixedly connected to the outside of the outer cylinder, and the outer shell is provided with heat insulation cotton.

[0011] Preferably, the inner cylinder and the outer cylinder have multiple heating holes on their surfaces, and the top cover has ventilation holes on its surface.

[0012] This utility model has at least the following beneficial effects:

[0013] 1. By using multiple conveyor plates and scrapers distributed vertically, the falling speed of the material is controlled, making the material discharge speed relatively uniform. At the same time, by controlling the falling speed of the material, the accumulation of material at the discharge port is avoided, which facilitates the collection of material. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0015] Figure 1 A cross-sectional structural schematic diagram provided for this utility model;

[0016] Figure 2 This is a schematic diagram of the isometric structure of the internal structure provided by this utility model;

[0017] Figure 3 This is an enlarged schematic diagram of the structure at point A provided by this utility model;

[0018] Figure 4 This is a partial enlarged structural schematic diagram of the present invention;

[0019] Figure 5 This is a schematic diagram of the isometric structure provided by this utility model.

[0020] In the diagram, 1. Outer cylinder; 2. Inner cylinder; 3. Multi-layer conveying assembly; 4. Discharge port; 5. Top cover; 6. Rotary shaft; 7. Drive motor; 8. Feed port; 9. Inclined baffle; 10. Slide chute; 11. Spring; 12. Silicone plate; 13. Heating plate; 14. Inspection cover; 15. Outer shell; 16. Insulation cotton; 17. Heating hole; 18. Vent hole; 301. Conveying plate; 302. Lifting plate; 303. Scraper. Detailed Implementation

[0021] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0022] like Figure 1 - Figure 5 As shown, the recycled plastic pellet drying device provided in this embodiment includes an outer cylinder 1, an inner cylinder 2, and a multi-layer conveying assembly 3. The outer bottom surface of the inner cylinder 2 and the inner bottom surface of the inner cylinder 2 are rotatably connected by a rotating shaft 6. The multi-layer conveying assembly 3 includes a conveying plate 301, a lifting plate 302, and a scraper 303. The conveying plate 301 and the lifting plate 302 are fixedly connected to the outer side surface of the inner cylinder 2, and the scraper 303 is slidably connected to the inner side surface of the outer cylinder 1. Multiple conveying plates 301 are arranged alternately along the outer surface of the inner cylinder 2. The outer cylinder 1 and inner cylinder 2 are inclined, with the lifting plate 302 and the conveying plate 301 inclined in opposite directions. The conveying plate 301 and the lifting plate 302 are fixedly connected by an arc. The top cover 5 has a feed inlet 8. An inclined baffle 9 is fixedly connected to the top of the outer surface of the inner cylinder 2. The material enters between the outer cylinder 1 and the inner cylinder 2 through the feed inlet 8. The inclined baffle 9 is located between the two uppermost sets of conveying plates 301 to prevent the material from falling directly onto the lower conveying plate 301. The bottom of the outer cylinder 1 has a discharge outlet 4. A top cover 5 is fixedly installed on the top of the outer cylinder 1, and a drive motor 7 is connected to the bottom of the rotating shaft 6. When the inner cylinder 2 rotates, it drives the conveyor plate 301 to rotate. The material falls evenly from the top between the inner cylinder 2 and the outer cylinder 1. After falling into the first layer of conveyor plate 301, the material slides down the inclined surface. The scraper 303 contacts the surface of the conveyor plate 301. When the material slides to the scraper 303, it is blocked by the scraper 303. As the inner cylinder 2 rotates, the scraper 303 slides downward. The scraper 303 is located between the two sets of conveyor plates 301. During this process, the material falls onto the next layer of conveyor plate 301. Then, the scraper 303 is lifted by the lifting plate 302 and continues to contact the surface of the adjacent conveyor plate 301. After the material falls onto the lower layer of conveyor plate 301, it is blocked by the scraper 303 of the next layer. Through the multiple conveyor plates 301 and scrapers 303 distributed vertically, the falling speed of the material is controlled, making the discharge speed of the material relatively uniform. At the same time, by controlling the falling speed of the material, the accumulation of material at the discharge port 4 is avoided, which facilitates the collection of the material.

[0023] Among them, such as Figure 3 as well as Figure 4 As shown, a groove 10 is provided on the inner side of the outer cylinder 1. One end of the scraper 303 is inserted into the groove 10 and slidably connected to the groove 10. A spring 11 is provided in the groove 10. The two ends of the spring 11 abut against the groove 10 and the scraper 303 respectively. The scraper 303 is pressed tightly against the conveyor plate 301 by the spring 11 and its own weight.

[0024] Among them, such as Figure 2 as well as Figure 3As shown, a silicone plate 12 is fixedly connected to the surface of the scraper 303. The silicone plate 12 is in contact with the upper surface of the conveyor plate 301. The scraper 303 scrapes off the residual material on the conveyor plate 301 through the silicone plate 12, while preventing the material on the upper part of the conveyor plate 301 from sliding down.

[0025] Among them, such as Figure 1 as well as Figure 4 As shown, heating plates 13 are fixedly installed inside the inner cylinder 2 and outside the outer cylinder 1 to make the internal temperature more uniform. An inspection cover 14 is fixedly installed on the top of the inner cylinder 2. The heating components inside the inner cylinder 2 can be inspected by opening the top cover 5 and then the inspection cover 14. An outer shell 15 is fixedly connected to the outside of the outer cylinder 1. The outer shell 15 is provided with heat insulation cotton 16 to reduce internal heat loss. Multiple heating holes 17 are opened on the surface of the inner cylinder 2 and the outer cylinder 1. Vent holes 18 are opened on the surface of the top cover 5. The water vapor generated during drying is discharged through the vent holes 18 on the top.

[0026] like Figure 1 - Figure 5 As shown, the principle of the recycled plastic pellet drying device provided in this embodiment is as follows: The material enters between the outer cylinder 1 and the inner cylinder 2 through the feed inlet 8. The inclined baffle 9 is located between the two sets of conveyor plates 301 on the uppermost layer to prevent the material from falling directly onto the lower conveyor plate 301. The bottom of the outer cylinder 1 has a discharge port 4, and the bottom of the rotating shaft 6 is connected to a drive motor 7. When the inner cylinder 2 rotates, it drives the conveyor plate 301 to rotate. The material falls evenly from the top between the inner cylinder 2 and the outer cylinder 1. After falling into the first layer of conveyor plate 301, the material slides down the inclined surface. The scraper 303 contacts the surface of the conveyor plate 301. When the material slides to the scraper 303, Blocked by scraper 303, as the inner cylinder 2 rotates, scraper 303 slides downward. When scraper 303 is between two sets of conveyor plates 301, the material falls into the next layer of conveyor plate 301. Then, after being lifted by lifting plate 302, scraper 303 continues to contact the surface of the adjacent conveyor plate 301. After falling into the lower layer of conveyor plate 301, the material is blocked by the scraper 303 of the next layer. Through multiple conveyor plates 301 and scraper 303 distributed vertically, the falling speed of the material is controlled, making the discharge speed of the material relatively uniform. At the same time, by controlling the falling speed of the material, the accumulation of material at the discharge port 4 is avoided, which facilitates the collection of material.

[0027] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0028] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0029] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A device for drying recycled plastic pellets, comprising an outer cylinder (1), an inner cylinder (2), and a multi-layer conveying assembly (3), characterized in that: The outer bottom surface of the inner cylinder (2) is rotatably connected to the inner bottom surface of the inner cylinder (2) via a rotating shaft (6). The multi-layer conveying assembly (3) includes a conveying plate (301), a lifting plate (302), and a scraper (303). The conveying plate (301) and the lifting plate (302) are fixedly connected to the outer side surface of the inner cylinder (2). The scraper (303) is slidably connected to the inner side surface of the outer cylinder (1). Multiple conveying plates (301) are staggered and inclined along the outer surface of the inner cylinder (2). The lifting plate (302) and the conveying plate (301) are inclined in opposite directions. The conveying plate (301) and the lifting plate (302) are fixedly connected by an arc. The bottom of the outer cylinder (1) is provided with a discharge port (4). The top of the outer cylinder (1) is fixedly installed with a top cover (5). The bottom of the rotating shaft (6) is connected to a drive motor (7).

2. The recycled plastic pellet drying device according to claim 1, characterized in that: The top cover (5) has a feed inlet (8) on its surface, and an inclined baffle (9) is fixedly connected to the top of the outer surface of the inner cylinder (2).

3. The recycled plastic pellet drying device according to claim 1, characterized in that: The inner side of the outer cylinder (1) is provided with a groove (10). One end of the scraper (303) is inserted into the groove (10) and slidably connected to the groove (10). A spring (11) is provided in the groove (10). The two ends of the spring (11) respectively abut against the groove (10) and the scraper (303).

4. The recycled plastic pellet drying device according to claim 1, characterized in that: A silicone plate (12) is fixedly connected to the surface of the scraper (303), and the silicone plate (12) is in contact with the upper surface of the conveyor plate (301).

5. The recycled plastic pellet drying device according to claim 1, characterized in that: Heating plates (13) are fixedly installed inside the inner cylinder (2) and outside the outer cylinder (1), and an inspection cover (14) is fixedly installed on the top of the inner cylinder (2).

6. The recycled plastic pellet drying device according to claim 1, characterized in that: The outer cylinder (1) is fixedly connected to the outer shell (15), and the outer shell (15) is provided with insulation cotton (16).

7. A recycled plastic pellet drying device according to claim 1, characterized in that: The inner cylinder (2) and the outer cylinder (1) are provided with multiple heating holes (17), and the top cover (5) is provided with ventilation holes (18).

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