Cooling structure of granulator

Abstract

The utility model relates to the technical field of cooling structures of granulators, and discloses a cooling structure of a granulator, which comprises a granulation cooling box, cases are mounted in the middles of the two sides of the granulation cooling box, material guide pipes are mounted on the two sides of the top of the granulation cooling box, and feeding hoppers are fixed on the tops of the material guide pipes; two cooling chambers are formed in the granulation cooling box from top to bottom, an interception net is arranged in the middle of the granulation cooling box, and a first cooling fan and a second cooling fan are arranged on the two sides of the inner walls of the cooling chambers respectively. Through the three-dimensional convection layout that the upper cooling chamber and the lower cooling chamber are matched with the first cooling fan and the second cooling fan, materials are subjected to staged intensified cooling, and the heat dissipation efficiency and the cooling uniformity are remarkably improved; due to the arrangement of the interception net, graded materials are effectively screened, and the problems of uneven cooling and equipment blockage caused by particle size difference are avoided; by arranging the transmission assembly, power can be evenly distributed to the cooling fans, the structure is compact, operation is stable, and the cooling effect is greatly improved.

Description

Technical Field

[0001] This application relates to the field of granulator cooling structure technology, and in particular to a cooling structure for a granulator. Background Technology

[0002] Traditional granulators often employ a single-stage cooling structure, relying solely on unidirectional air or water cooling to cool the material. This method results in insufficient contact between the material and the cooling medium, easily creating cooling dead zones. Especially for materials with uneven particle sizes, localized overheating or inconsistent cooling rates often lead to granulation deformation, adhesion, and other quality problems, affecting the finished product yield and production efficiency. Furthermore, the lack of a material grading mechanism means that when materials of different sizes are mixed during cooling, small particles are prone to becoming brittle due to excessively rapid cooling, while large particles suffer from excessively high surface stickiness due to insufficient cooling. In addition, fine particles easily accumulate during cooling, clogging the discharge channel and causing frequent equipment downtime for cleaning, increasing maintenance costs and the risk of production interruptions.

[0003] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0004] To address the problem that traditional granulators often employ a single-stage cooling structure, relying solely on unidirectional air or water cooling to cool materials, which results in insufficient contact between the material and the cooling medium and the creation of cooling dead zones, especially for materials with uneven particle sizes, this application provides a cooling structure for a granulator.

[0005] The cooling structure of the granulator provided in this application adopts the following technical solution:

[0006] A cooling structure for a granulator includes a granulation cooling box, with a housing installed in the middle of both sides of the granulation cooling box. Guide pipes are installed on both sides of the top of the granulation cooling box, and a feed hopper is fixed to the top of each guide pipe. Two cooling chambers are opened from top to bottom inside the granulation cooling box. A retaining screen is provided in the middle of the granulation cooling box. Cooling fan one and cooling fan two are respectively installed on both sides of the inner wall of the cooling box. A transmission assembly is provided inside the housing.

[0007] Preferably, the outer wall of the granulation cooling box is connected to a set of discharge ports by screws, and a motor is installed at the bottom of one of the boxes.

[0008] Preferably, the output end of the motor passes through the inner wall of the chassis and is connected to a rotating shaft. The transmission assembly includes a gear portion fixed to the outer wall of the rotating shaft and a bidirectional pulley located on one side of the gear portion.

[0009] Preferably, the gear section includes a first gear, a middle gear, and a second gear that are fixed at equal intervals from bottom to top along the outer wall of the rotating shaft. A set of side gears is rotatably provided on one side of the outer wall of the cooling chamber. The two side gears mesh with the first gear and the second gear, respectively. The output end of the side gear extends into the cooling chamber and is connected to the first cooling fan.

[0010] Preferably, a second side gear meshes with one side of the middle gear, a connecting rod is fixed to one end of the second side gear, and the other end of the connecting rod passes through the cooling chamber and is connected to the outer wall of the bidirectional pulley.

[0011] Preferably, the two ends of the bidirectional pulley are connected to belts in an alternating manner, and each of the two belts has a pulley connected to its internal end at the end that is far apart from each other. The output end of the pulley is connected to the cooling fan.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] This application utilizes a three-dimensional convection layout with upper and lower dual cooling chambers and cooling fans one and two to perform phased enhanced cooling of materials, significantly improving heat dissipation efficiency and cooling uniformity. The interception screen effectively screens and grades materials, avoiding uneven cooling and equipment blockage caused by differences in particle size, ensuring finished product quality and production continuity. The transmission components can evenly distribute power to each cooling fan, resulting in a compact structure and stable operation, greatly improving the cooling effect. Attached Figure Description

[0014] Figure 1 This is a front view of the cooling structure of a granulator according to an embodiment of the application.

[0015] Figure 2 This is a schematic diagram of the internal structure of the granulation cooling box in the application embodiment.

[0016] Figure 3 This is a schematic diagram of the transmission component in the embodiment of the application.

[0017] Explanation of reference numerals in the attached diagram: 1. Granulation cooling box; 2. Chassis; 3. Motor; 4. Discharge port; 5. Guide pipe; 6. Feed hopper; 7. Cooling chamber; 8. Retention screen; 9. Rotating shaft; 10. Gear 1; 11. Side gear; 12. Middle gear; 13. Gear 2; 14. Cooling fan 1; 15. Side gear 2; 16. Connecting rod; 17. Bidirectional pulley; 18. Belt; 19. Pulley; 20. Cooling fan 2. Detailed Implementation

[0018] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0019] This application discloses a cooling structure for a granulator. (Refer to...) Figure 1 The system includes a granulation cooling box 1, with a housing 2 installed in the middle of both sides. Guide pipes 5 are installed on both sides of the top of the granulation cooling box 1, and a feed hopper 6 is fixed to the top of each guide pipe 5. The interior of the granulation cooling box 1 has two cooling chambers 7 arranged from top to bottom. A set of discharge ports 4 is connected to the outer wall of the granulation cooling box 1 by screws. A retaining screen 8 is installed in the middle of the inner wall of the granulation cooling box 1. Cooling fans 14 and 20 are respectively installed on both sides of the inner wall of the cooling chambers 7. The design of the upper and lower cooling chambers 7 enables staged cooling of the material. The upper cooling chamber 7 performs initial cooling, while the lower cooling chamber 7 further enhances the cooling effect, extending the material cooling path and time to ensure sufficient heat dissipation. The retaining screen 8 filters out smaller materials, avoiding uneven cooling or blockage of the discharge ports 4 due to size differences. Through filtration and grading, it ensures that the material entering the next cooling stage has uniform specifications, improving the consistency of the cooling effect, and prevents the accumulation of fine particles from affecting equipment operation, effectively ensuring the continuity of granulation production and the quality of the finished product.

[0020] Reference Figures 2-3 As shown, the internal structure of the casing 2 contains a transmission assembly. A motor 3 is mounted at the bottom of one of the casings 2. The output end of the motor 3 passes through the inner wall of the casing 2 and is connected to a rotating shaft 9. The transmission assembly includes a gear section fixed to the outer wall of the rotating shaft 9, and a bidirectional pulley 17 located on one side of the gear section. The gear section includes a first gear 10, a middle gear 12, and a second gear 13, which are fixed at equal intervals from bottom to top along the outer wall of the rotating shaft 9. A set of side gears 11 is rotatably mounted on one side of the outer wall of the cooling chamber 7. The two side gears 11 mesh with the first gear 10 and the second gear 13, respectively. The output end of the side gears 11 extends into the cooling chamber 7 and is connected to a first cooling fan 14. The first cooling fan 14 and the second cooling fan 20 are staggered in different cooling chambers 7, blowing air onto the material from multiple directions to form a three-dimensional convection, accelerating heat exchange. Compared with a single cooling method, this significantly improves cooling efficiency and ensures stable granulation quality.

[0021] In this application, a second side gear 15 meshes with one side of the central gear 12. A connecting rod 16 is fixed to one end of the second side gear 15, and the other end of the connecting rod 16 passes through the cooling chamber 7 and is connected to the outer wall of the bidirectional pulley 17. Belts 18 are alternately connected to both ends of the bidirectional pulley 17. Pulleys 19 are connected internally to the ends of the two belts 18 that are far apart from each other. The output end of the pulley 19 is connected to the second cooling fan 20. The motor 3 drives the rotating shaft 9, forming a multi-stage transmission through the gear section (gear 10, central gear 12, gear 2 13), side gears (11, 15), pulleys (17, 19), and other components, realizing the synchronous operation of multiple cooling fans. The structure is compact, the power distribution is balanced, and the cooperation of each component is strong.

[0022] The implementation principle of the cooling structure of a granulator in this application embodiment is as follows:

[0023] During the granulation process, the material enters from the feed hopper 6 and is conveyed through the guide pipe 5 to the upper cooling chamber 7 inside the granulation cooling box 1. Since the granulation cooling box 1 has two cooling chambers 7, the material undergoes initial cooling in the upper cooling chamber 7, and then smaller pieces are filtered out by the intercepting screen 8, allowing it to enter the lower cooling chamber 7 for further cooling. Finally, the fully cooled material is discharged through the outlet 4 on the outer wall of the granulation cooling box 1.

[0024] After the motor 3 starts, it drives the rotating shaft 9 to rotate. The gear part (including gear 10, intermediate gear 12 and gear 2 13) fixed on the outer wall of the rotating shaft 9 rotates synchronously with the rotating shaft 9. Gear 10 and gear 2 13 respectively mesh with two side gears 11 on one side of the outer wall of the cooling chamber 7, thereby causing the cooling fan 14 to start working and blowing air to cool the material in the cooling chamber 7.

[0025] When the central gear 12 rotates, it drives the side gear 15, which meshes with it, to rotate. The connecting rod 16 rotates along with the side gear 15, which in turn drives the bidirectional pulley 17 to rotate. The belts 18, which are interleaved at both ends of the bidirectional pulley 17, move with the rotation of the pulley 17. The belts 18 drive the pulley 19 connected to them to rotate, thereby driving the cooling fan 20 to work and cool the material in the cooling chamber 7. In the two cooling chambers 7, the cooling fan 14 and the cooling fan 20 blow air from different directions to cool the material. The airflow carries away the heat from the material, achieving the purpose of cooling the granulation process.

[0026] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0027] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0029] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A cooling structure of a granulator comprising a granulation cooling box (1), characterized in that: The granulation cooling box (1) has a machine box (2) installed in the middle of both sides. The top of the granulation cooling box (1) has a guide pipe (5) installed on both sides. The top of the guide pipe (5) is fixed with a feed hopper (6). The granulation cooling box (1) has two cooling chambers (7) from top to bottom. The granulation cooling box (1) has a trapping net (8) in the middle. The inner walls of the cooling chamber (7) are respectively equipped with a cooling fan (14) and a cooling fan (20). The machine box (2) has a transmission assembly inside.

2. A cooling structure of a granulator according to claim 1, characterized in that: The outer wall of the granulation cooling box (1) is connected to a set of discharge ports (4) by screws, and a motor (3) is installed at the bottom of one of the boxes (2).

3. A cooling structure of a granulator according to claim 2, characterized in that: The output end of the motor (3) passes through the inner wall of the housing (2) and is connected to the rotating shaft (9). The transmission assembly includes a gear part fixed to the outer wall of the rotating shaft (9) and a bidirectional pulley (17) located on one side of the gear part.

4. A cooling structure of a granulator according to claim 3, characterized in that: The gear section includes a gear one (10), a middle gear (12) and a gear two (13) fixed at equal intervals from bottom to top along the outer wall of the rotating shaft (9). A set of side gears (11) is rotatably provided on one side of the outer wall of the cooling chamber (7). The two side gears (11) mesh with the gear one (10) and the gear two (13) respectively. The output end of the side gear (11) extends into the cooling chamber (7) and is connected to the cooling fan one (14).

5. A cooling structure of a granulator according to claim 4, characterized in that: One side of the middle gear (12) is meshed with a second side gear (15), and one end of the second side gear (15) is fixed with a connecting rod (16). The other end of the connecting rod (16) passes through the cooling chamber (7) and is connected to the outer wall of the bidirectional pulley (17).

6. A cooling structure of a granulator according to claim 5, characterized in that: The two ends of the bidirectional pulley (17) are connected to belts (18) in an alternating manner. Each of the two belts (18) is connected to a pulley (19) at the end that is far apart from each other. The output end of the pulley (19) is connected to the second cooling fan (20).

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