Plastic particle rapid cooling device

Abstract

The utility model relates to the technical field of plastic production, in particular to a plastic particle rapid cooling device which comprises a processing box and a conveying device, a spraying assembly is arranged above the conveying device, a collecting pool is arranged below the conveying device, and a backflow pipe is arranged at one end of the collecting pool. Plastic particles are conveyed by the conveying device and move in the treatment box, the cooling liquid in the cooling box and the atomizing nozzle of the spraying assembly are used for atomizing and spraying the cooling liquid to spray and cool the plastic particles on the conveying device, heat of the plastic particles can be rapidly taken away, rapid cooling is achieved, and the service life of the plastic particles is prolonged. The problem that the production efficiency is low due to too long cooling time is effectively avoided, the sprayed cooling liquid falls into the collecting pool and then flows back into the cooling box through the backflow pipe, and then recycling of the cooling liquid is achieved, so that it can be guaranteed that plastic particles are rapidly and evenly cooled, the production efficiency and the product quality are improved, and the production cost is reduced. And resources can be effectively saved, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to a rapid cooling device for plastic granules, belonging to the field of plastic production technology. Background Technology

[0002] Plastic granules are the basic raw material of the plastics industry. They are made from high molecular polymers and are in the form of granules with a diameter of a few millimeters. Due to different raw materials and formulations, their properties vary. For example, PE is flexible, PP is heat-resistant, PVC is low-cost, and PS is lightweight. It has controllable cost and strong plasticity, and is widely used in packaging, construction, electronics, automobiles and other fields.

[0003] In the production of plastic granules, natural cooling and air cooling are commonly used to cool the granules. Natural cooling mainly relies on the natural heat exchange between the plastic granules and the surrounding environment to achieve cooling. This process is entirely dependent on natural conditions, and the heat transfer speed is slow. In actual production, a lot of time needs to be spent waiting for the plastic granules to cool to a suitable temperature, which greatly prolongs the production cycle and increases production costs. Simple air cooling uses equipment such as fans to generate airflow to accelerate the dissipation of heat from the surface of the plastic granules. Although air cooling can speed up the cooling process to some extent compared to natural cooling, it is difficult to guarantee the uniformity of cooling. This can easily cause some plastic granules to become brittle due to over-cooling, while others are under-cooled, thus affecting subsequent processing and product quality.

[0004] Therefore, there is an urgent need to improve the rapid cooling device for plastic granules in order to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a rapid cooling device for plastic granules. The plastic granules are conveyed by a conveying device and move within a processing tank. The coolant in the cooling tank and the atomizing nozzles of the spraying assembly atomize and spray the coolant onto the plastic granules on the conveying device, rapidly removing heat and achieving rapid cooling. This effectively avoids the problem of low production efficiency caused by excessively long cooling times. The sprayed coolant falls into a collection tank and then flows back into the cooling tank through a return pipe, thus realizing the recycling and reuse of the coolant. This not only ensures rapid and uniform cooling of the plastic granules, improving production efficiency and product quality, but also effectively saves resources and reduces production costs.

[0006] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0007] A rapid cooling device for plastic granules includes a processing box and a conveying device installed inside the processing box. A spraying assembly is arranged above the conveying device, and a collection pool is arranged below the conveying device. One end of the collection pool is fixedly connected to a return pipe. The end of the return pipe away from the collection pool passes through the processing box and is fixedly connected to a cooling box. One end of the cooling box is connected to the spraying assembly through a connecting pipe, and a water pump is installed on the connecting pipe.

[0008] Preferably, the spray assembly includes a spray pipe connected to the connecting pipe, a plurality of evenly distributed atomizing nozzles are fixedly installed on the spray pipe, and a fixing frame is provided below the spray pipe. The spray pipe is fixedly installed on the fixing frame by a pipe clamp, and the fixing frame is fixedly installed inside the processing box.

[0009] Preferably, the interior of the cooling box is provided with a storage chamber and a filter chamber through a barrier plate. The storage chamber is connected to the connecting pipe, the filter chamber is connected to the return pipe, and a plurality of filter plates are installed inside the filter chamber.

[0010] Preferably, the cooling tank has a liquid injection port on the top, a liquid level observation window is installed on one side of the cooling tank, the liquid level observation window corresponds to the storage cavity, and a door is hinged to the end of the cooling tank away from the connecting pipe, the door corresponds to the filter cavity, and the door is connected to the cooling tank by a latch.

[0011] Preferably, the conveying device includes a driving roller and a driven roller. The driving roller and the driven roller are both mounted on the inner side walls of both sides of the processing box through bearing seats, and the driving roller and the driven roller are connected by a cooling mesh belt. One end of the driving roller is fixedly connected to a drive motor, and the end of the driving roller away from the drive motor is connected to the driven roller through a sprocket and a chain.

[0012] Preferably, a feed pipe is installed at one end of the processing box, which corresponds to the starting end of the cooling mesh belt, and a discharge plate is installed at the other end of the processing box, which corresponds to the end of the cooling mesh belt.

[0013] Preferably, two grilles are installed at the upper end of the processing box, and two cooling fans are installed on both sides of the processing box. A baffle is provided on the corresponding side of each of the two cooling fans, and both baffles are fixedly installed inside the processing box.

[0014] This utility model has at least the following beneficial effects:

[0015] 1. The plastic granules of this utility model are conveyed by a conveying device and move within a processing tank. The coolant in the cooling tank and the atomizing nozzles of the spraying assembly atomize and spray the coolant onto the plastic granules on the conveying device, thereby rapidly removing heat from the plastic granules and achieving rapid cooling. This effectively avoids the problem of low production efficiency caused by excessively long cooling times. The sprayed coolant falls into a collection pool and then flows back into the cooling tank through a return pipe, thus realizing the recycling and reuse of the coolant. This not only ensures rapid and uniform cooling of the plastic granules, improving production efficiency and product quality, but also effectively saves resources and reduces production costs.

[0016] 2. This utility model uses several filter plates in the filter chamber to filter the returning coolant, which can effectively filter impurities and prevent impurities from entering the storage chamber, thereby maintaining the purity of the coolant in the storage chamber 62 and ensuring stable cooling effect. Furthermore, by opening the latch and the door, it is easy to clean the filter plates and the impurities accumulated in the filter chamber, thus ensuring the filtration effect of the filter chamber. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0018] Figure 1 A schematic diagram of the overall structure of this utility model;

[0019] Figure 2 A cross-sectional view of the overall structure provided for this utility model;

[0020] Figure 3 This is a partial structural schematic diagram of the present invention;

[0021] Figure 4 Partial structural cross-sectional elevation view provided for this utility model.

[0022] In the diagram, 1. Processing box; 2. Conveying device; 21. Driving roller; 22. Driven roller; 23. Cooling mesh belt; 3. Spray assembly; 31. Spray pipe; 32. Atomizing nozzle; 33. Fixing frame; 34. Pipe clamp; 4. Collection tank; 5. Return pipe; 6. Cooling box; 61. Baffle plate; 62. Storage chamber; 63. Filter chamber; 64. Filter plate; 65. Liquid injection port; 66. Liquid level observation window; 67. Box door; 7. Connecting pipe; 8. Water pump; 9. Feed pipe; 10. Discharge plate; 11. Grille; 12. Cooling fan; 13. Baffle. Detailed Implementation

[0023] 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.

[0024] like Figures 1-4 As shown, the rapid cooling device for plastic granules provided in this embodiment includes a processing box 1 and a conveying device 2 installed inside the processing box 1. A spray assembly 3 is arranged above the conveying device 2, and a collection tank 4 is arranged below the conveying device 2. One end of the collection tank 4 is fixedly connected to a return pipe 5. The end of the return pipe 5 away from the collection tank 4 passes through the processing box 1 and is fixedly connected to a cooling box 6. One end of the cooling box 6 is connected to the spray assembly 3 through a connecting pipe 7, and a water pump 8 is installed on the connecting pipe 7. The spray assembly 3 includes a spray pipe 31, which is connected to the connecting pipe 7. Several evenly distributed atomizing nozzles 32 are fixedly installed on the spray pipe 31, and a fixing frame 33 is arranged below the spray pipe 31. The spray pipe 31 is fixedly mounted on the fixing frame 33 by a pipe clamp 34, and the fixing frame 33 is fixedly installed inside the processing box 1. The plastic granules are conveyed by the conveying device 2 and move inside the processing box 1. At this time, the cooling box 6... The coolant in the spray system is transported through the connecting pipe 7 to the spray pipe 31 of the spray assembly 3 by the water pump 8. Then, several atomizing nozzles 32 spray the coolant into atomized form, which sprays and cools the plastic granules on the conveying device 2 below. The atomized coolant is in full contact with the plastic granules. Due to its large contact area and good thermal conductivity, it can quickly remove the heat from the plastic granules, achieving rapid cooling and ensuring that the granules reach a suitable temperature in a short time to meet the needs of subsequent processing. This effectively avoids the problem of low production efficiency caused by excessively long cooling time. The sprayed coolant falls into the collection pool 4 below the conveying device 2. The coolant in the collection pool 4 flows back to the cooling tank 6 through the return pipe 5, thus realizing the recycling and reuse of the coolant. This not only ensures rapid and uniform cooling of the plastic granules, improving production efficiency and product quality, but also effectively saves resources and reduces production costs.

[0025] Furthermore, such as Figures 1-4As shown, the interior of the cooling tank 6 is equipped with a storage chamber 62 and a filter chamber 63 via a baffle plate 61. The storage chamber 62 is connected to the connecting pipe 7, and the filter chamber 63 is connected to the return pipe 5. Several filter plates 64 are installed inside the filter chamber 63. A liquid injection port 65 is provided at the top of the cooling tank 6. A liquid level observation window 66 is installed on one side of the cooling tank 6, corresponding to the storage chamber 62. A door 67 is hinged to the end of the cooling tank 6 away from the connecting pipe 7, corresponding to the filter chamber 63. The door 67 is connected to the cooling tank 6 via a latch. The storage chamber 62 can continuously supply coolant to the spray assembly 3 through the connecting pipe 7, ensuring that the cooling process is not interrupted. Intermittently, the collection tank 4 collects the coolant after spraying and returns it to the filter chamber 63 through the return pipe 5. Several filter plates 64 in the filter chamber 63 filter the returning coolant, effectively filtering impurities and preventing them from entering the storage chamber 62, thereby maintaining the purity of the coolant in the storage chamber 62 and ensuring stable cooling effect. Coolant can be added to the storage chamber 62 through the injection port 65, and the liquid level observation window 66 allows for a direct view of the coolant level in the storage chamber 62, facilitating timely replenishment. By opening the latch and the cabinet door 67, it is easy to clean the filter plates 64 and the impurities accumulated in the filter chamber 63, thereby ensuring the filtration effect of the filter chamber 63.

[0026] Furthermore, such as Figures 1-4 As shown, the conveying device 2 includes a drive roller 21 and a driven roller 22. Both the drive roller 21 and the driven roller 22 are mounted on the inner side walls of both sides of the processing box 1 via bearing seats, and are connected by a cooling mesh belt 23. One end of the drive roller 21 is fixedly connected to a drive motor, and the end of the drive roller 21 away from the drive motor is connected to the driven roller 22 via a sprocket and a chain. One end of the processing box 1 is equipped with a feed pipe 9, which corresponds to the starting end of the cooling mesh belt 23, and the other end of the processing box 1 is equipped with a discharge plate 10, which corresponds to the end of the cooling mesh belt 23, to feed the plastic granules to be cooled from the feed pipe 23 at one end of the processing box 1. Pipe 9 falls and lands at the starting end of the cooling mesh belt 23. The drive motor is turned on to drive the active roller 21 to rotate. The other end of the active roller 21 transmits power to the driven roller 22 through a sprocket and chain, so that the two rotate synchronously, thereby driving the cooling mesh belt 23 sleeved between them to move. As the cooling mesh belt 23 continues to move, the plastic granules advance in the processing box 1, during which they are sprayed and cooled by the spray assembly 3. After cooling is completed, the plastic granules are conveyed to the end of the cooling mesh belt 23 and smoothly leave the processing box 1 along the discharge plate 10 at the other end of the processing box 1, and enter the subsequent processing stage. This realizes the continuous conveying and cooling of plastic granules, thereby effectively improving production efficiency.

[0027] Furthermore, such as Figures 1-4As shown, two grilles 11 are installed on the upper end of the processing box 1, and two cooling fans 12 are installed on both sides of the processing box 1. A baffle 13 is provided on the corresponding side of the two cooling fans 12. The two baffles 13 are fixedly installed inside the processing box 1. Outside air enters the processing box 1 through the two grilles 11 to provide fresh air for the cooling process. The two cooling fans 12 then draw out the heated air inside the processing box 1, accelerating air circulation, enhancing heat dissipation, and thus increasing the cooling speed of the plastic particles. The two baffles 13 correspond to the two cooling fans 12 respectively and can prevent the sprayed coolant from flowing out from the position of the cooling fans 12, thereby avoiding coolant loss.

[0028] like Figures 1-4 As shown, the principle of the rapid cooling device for plastic granules provided in this embodiment is as follows:

[0029] The plastic granules to be cooled fall from the feed pipe 9 at one end of the processing tank 1, landing at the starting end of the cooling mesh belt 23. The drive motor is turned on, driving the drive roller 21 to rotate. The other end of the drive roller 21 transmits power to the driven roller 22 through a sprocket and chain, causing them to rotate synchronously. This, in turn, drives the cooling mesh belt 23, which is fitted between them, to move. As the cooling mesh belt 23 continues to move, the plastic granules advance inside the processing tank 1. At this time, the water pump 8 is turned on to pump the coolant from the cooling tank 6 to the spray pipe 31 of the spray assembly 3. Then, several atomizing nozzles 32 atomize the coolant. The sprayed coolant cools the plastic granules on the cooling mesh belt 23 below. After cooling, the plastic granules are conveyed to the end of the cooling mesh belt 23 and smoothly leave the processing box 1 through the discharge plate 10 at the other end of the processing box 1, entering the subsequent processing stage. The sprayed coolant falls into the collection pool 4 below the conveying device 2. The coolant in the collection pool 4 flows back to the filter chamber 63 through the return pipe 5. Several filter plates 64 in the filter chamber 63 filter the returned coolant to remove impurities. The filtered coolant flows into the storage chamber 62 for reuse.

[0030] 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.

[0031] 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.

[0032] 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 rapid cooling device for plastic granules, comprising a processing tank (1) and a conveying device (2) installed inside the processing tank (1), characterized in that: A spray assembly (3) is provided above the conveying device (2), and a collection tank (4) is provided below the conveying device (2). One end of the collection tank (4) is fixedly connected to a return pipe (5). The end of the return pipe (5) away from the collection tank (4) passes through the processing box (1) and is fixedly connected to a cooling box (6). One end of the cooling box (6) is connected to the spray assembly (3) through a connecting pipe (7), and a water pump (8) is installed on the connecting pipe (7).

2. The rapid cooling device for plastic granules according to claim 1, characterized in that: The spray assembly (3) includes a spray pipe (31), which is connected to the connecting pipe (7). Several evenly distributed atomizing nozzles (32) are fixedly installed on the spray pipe (31), and a fixing frame (33) is provided below the spray pipe (31). The spray pipe (31) is fixedly installed on the fixing frame (33) by a pipe clamp (34), and the fixing frame (33) is fixedly installed inside the processing box (1).

3. The rapid cooling device for plastic granules according to claim 1, characterized in that: The cooling box (6) is provided with a storage chamber (62) and a filter chamber (63) through a baffle plate (61). The storage chamber (62) is connected to the connecting pipe (7), and the filter chamber (63) is connected to the return pipe (5). Several filter plates (64) are installed inside the filter chamber (63).

4. The rapid cooling device for plastic granules according to claim 3, characterized in that: The cooling tank (6) has a liquid inlet (65) on its top. A liquid level observation window (66) is installed on one side of the cooling tank (6). The liquid level observation window (66) corresponds to the storage chamber (62). A door (67) is hinged to the end of the cooling tank (6) away from the connecting pipe (7). The door (67) corresponds to the filter chamber (63). The door (67) is connected to the cooling tank (6) by a latch.

5. The rapid cooling device for plastic granules according to claim 1, characterized in that: The conveying device (2) includes a drive roller (21) and a driven roller (22). The drive roller (21) and the driven roller (22) are both mounted on the inner side walls of the processing box (1) through bearing seats. The drive roller (21) and the driven roller (22) are connected by a cooling mesh belt (23). One end of the drive roller (21) is fixedly connected to a drive motor, and the end of the drive roller (21) away from the drive motor is connected to the driven roller (22) through a sprocket and a chain.

6. The rapid cooling device for plastic granules according to claim 5, characterized in that: One end of the processing box (1) is equipped with a feed pipe (9), which corresponds to the starting end of the cooling mesh belt (23), and the other end of the processing box (1) is equipped with a discharge plate (10), which corresponds to the end of the cooling mesh belt (23).

7. The rapid cooling device for plastic granules according to claim 1, characterized in that: Two grilles (11) are installed on the upper end of the processing box (1), and two cooling fans (12) are installed on both sides of the processing box (1). A baffle (13) is provided on the corresponding side of the two cooling fans (12), and the two baffles (13) are fixedly installed inside the processing box (1).

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