Efficient cooling particle conveying channel

Abstract

The utility model discloses an efficient cooling particle conveying channel which comprises a conveying pipeline. The cooling pipeline and the conveying pipeline are arranged in parallel, the cooling pipeline is arranged in the conveying pipeline, and a particle conveying space with an annular cross section is formed between the conveying pipeline and the cooling pipeline. The cooling pipeline is arranged in the conveying pipeline, and the sectional area of the particle conveying space can be reduced, so that the particles can be densely distributed in the particle conveying space, the probability of direct contact between the particles and the cooling pipeline is increased, and the heat of the particles can be quickly exchanged with the cooling pipeline. And meanwhile, the heat exchange area between the conveying pipeline and the cooling pipeline can be increased, so that the particles can better exchange heat with liquid conveyed in the cooling pipeline.

Description

Technical Field

[0001] This utility model relates to the field of underwater pelletizer technology, and in particular to a high-efficiency cooling particle conveying channel. Background Technology

[0002] Underwater pelletizing extrusion granulators are a new type of machinery that directly pelletizes the melt by contacting cooling water at the moment of extrusion. Melt pelletizing has significant advantages over solid pelletizing. Because the material is scraped off by blades in a molten state and then solidified after being cooled by circulating water, this pelletizing method can be used for polymers of different viscosities.

[0003] Existing underwater pelletizers typically use pipes to transport the pelletized material particles along with water. During transportation, the particles and water exchange heat with the surrounding environment, thereby cooling the particles. However, this heat exchange method is slow and requires long pipes for cooling the material particles and water, which takes up a lot of factory space and is not conducive to the layout of equipment in the factory. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide an efficient cooling particle transport channel to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0005] The solution to the technical problem of this utility model is:

[0006] High-efficiency cooling particle delivery channels include:

[0007] Pipelines;

[0008] A cooling pipe is provided, which is arranged parallel to the conveying pipe and is located inside the conveying pipe. A particle conveying space with an annular cross-section is formed between the conveying pipe and the cooling pipe.

[0009] As a further improvement to the above technical solution, the conveying pipeline is a colorless and transparent component.

[0010] As a further improvement to the above technical solution, the cooling pipe is a colored component.

[0011] As a further improvement to the above technical solution, the cooling pipe is a colored transparent component.

[0012] As a further improvement to the above technical solution, the inner wall of the cooling pipe has a spiral guide structure protruding therefrom. The spiral guide structure is used to guide the liquid in the cooling pipe so that the liquid in the cooling pipe flows in a spiral.

[0013] As a further improvement to the above technical solution, the inner wall of the conveying pipe has a raised structure.

[0014] As a further improvement to the above technical solution, a plurality of support frames are provided between the conveying pipe and the cooling pipe; the support frame includes an inner connecting ring, an outer connecting ring, and a connecting rod; the inner connecting ring mates with the inner wall of the conveying pipe, and the outer connecting ring mates with the outer wall of the cooling pipe; a plurality of connecting rods are provided, and the plurality of connecting rods are evenly distributed between the inner connecting ring and the outer connecting ring, and the two ends of the connecting rods are fixedly connected to the inner connecting ring and the outer connecting ring respectively, so as to fix the inner connecting ring and the outer connecting ring.

[0015] As a further improvement to the above technical solution, a fixed-distance connecting member is provided between two adjacent support frames, and the fixed-distance connecting member is a length-adjustable component.

[0016] As a further improvement to the above technical solution, the fixed-distance connector includes an adjusting sleeve and an adjusting rod. The adjusting sleeve is provided with a first thread, and the adjusting rod is provided with a second thread. The first thread and the second thread are threadedly connected. The ends of the adjusting sleeve and the adjusting rod that are far apart from each other are respectively connected to the two support frames.

[0017] As a further improvement to the above technical solution, the adjusting rod is provided with a smooth rod portion, the second thread is provided inside the adjusting sleeve, the smooth rod portion extends out of the adjusting sleeve, the smooth rod portion is provided with a tool insertion hole, the tool insertion hole is for inserting a tool, and when the tool rotates, it drives the adjusting rod to rotate relative to the adjusting sleeve.

[0018] The beneficial effects of this invention are as follows: By placing the cooling pipe inside the conveying pipe, the cross-sectional area of ​​the particle conveying space can be reduced, allowing the particles to be more densely distributed within the particle conveying space. This increases the probability of direct contact between the particles and the cooling pipe, enabling rapid heat exchange between the particles and the cooling pipe. Simultaneously, it increases the heat exchange area between the conveying pipe and the cooling pipe, allowing for better heat exchange between the particles and the liquid conveyed within the cooling pipe.

[0019] This invention relates to the field of underwater pelletizer technology. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly explained below. Obviously, the described drawings are only a part of the embodiments of this utility model, and not all of them. Those skilled in the art can obtain other design schemes and drawings based on these drawings without creative effort.

[0021] Figure 1This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0022] Figure 2 This is an exploded structural diagram of an embodiment of the present invention;

[0023] Figure 3 yes Figure 2 A magnified view of part A in the diagram.

[0024] In the diagram, 100 is the conveying pipe; 110 is the raised structure; 200 is the cooling pipe; 210 is the spiral guide structure; 300 is the support frame; 310 is the connecting rod; 320 is the outer connecting ring; 330 is the inner connecting ring; 340 is the fixed-distance connector; 341 is the adjusting rod; 342 is the adjusting sleeve; and 343 is the tool socket. Detailed Implementation

[0025] The following will clearly and completely describe the concept, specific structure, and technical effects of this utility model in conjunction with embodiments and accompanying drawings, so as to fully understand the purpose, features, and effects of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. Other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages mentioned herein do not simply refer to direct contact between components, but rather to the ability to form a better connection structure by adding or reducing connecting accessories according to specific implementation conditions. The various technical features in this invention can be combined interactively without contradicting each other.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0028] Reference Figures 1 to 3 The high-efficiency cooling particle transport channel includes: transport pipe 100, cooling pipe 200 and support frame 300.

[0029] The conveying pipe 100 and the cooling pipe 200 are both circular tubular structures.

[0030] The conveying pipe 100 is provided with a particle conveying direction, and the liquid in the conveying pipe 100 will drive the particles to move in the particle conveying direction.

[0031] Specifically, in this embodiment, the conveying pipe 100 is configured as a colorless and transparent tubular component. By configuring the conveying pipe 100 as a colorless and transparent tubular component, the staff can observe the flow of liquid and particles in the conveying pipe 100, thereby judging whether there are any blockages or other adverse conditions in the conveying channel, so as to ensure that the conveying channel can operate normally.

[0032] Cooling pipe 200 is disposed inside conveying pipe 100, and cooling pipe 200 and conveying pipe 100 form a particle conveying space, the cross-section of the particle conveying space being annular.

[0033] By placing the cooling pipe 200 inside the conveying pipe 100, the cross-sectional area of ​​the particle conveying space can be reduced, allowing the particles to be more densely distributed within the particle conveying space. This increases the probability of direct contact between the particles and the cooling pipe 200, enabling rapid heat exchange between the particles and the cooling pipe 200. Simultaneously, it increases the heat exchange area between the conveying pipe 100 and the cooling pipe 200, allowing for better heat exchange between the particles and the liquid conveyed within the cooling pipe 200.

[0034] The cooling pipe 200 has a coolant movement direction that is parallel to the particle conveying direction, and the coolant movement direction is set parallel to the particle conveying direction. Setting the coolant movement direction to be opposite to the particle conveying direction increases the flow velocity difference between the coolant and the liquid in the conveying pipe 100, which helps the coolant to quickly remove the heat from the liquid in the conveying pipe 100, making heat exchange more complete and achieving more efficient heat exchange.

[0035] Specifically, in this embodiment, the cooling pipe 200 is a black transparent tubular component. In other embodiments, the cooling pipe 200 may be a darker color such as gray, or it may be an opaque tubular component. Those skilled in the art can choose the specific color and transparency of the cooling pipe 200 according to actual needs. Making the cooling pipe 200 a colored component allows workers to better observe the liquid and particles within the delivery channel.

[0036] Specifically, the inner wall of the conveying pipe 100 has a raised structure 110. In this embodiment, the raised structure 110 is set as a dot-shaped protrusion. In other embodiments, the raised structure 110 can also be set as a strip-shaped protrusion. Those skilled in the art can select the shape of the raised structure 110 according to actual needs. The raised structure 110 is provided on the inner wall of the conveying pipe 100 to increase the degree of turbulence of the liquid flow in the conveying pipe 100. The liquid can drive the particles to make more irregular movements, thereby increasing the probability of the particles coming into contact with the cooling pipe 200. This increases the probability of the particles directly contacting the cooling pipe 200 and exchanging heat, which is more conducive to particle cooling.

[0037] Specifically, in this embodiment, the inner wall of the cooling pipe 200 has a spiral guide structure 210 protruding from it. The spiral guide structure 210 extends spirally along the direction of coolant movement. The spiral guide structure 210 can guide the liquid in the cooling pipe 200, thereby causing the liquid in the cooling pipe 200 to flow spirally, so as to further increase the velocity difference between the coolant and the liquid in the delivery pipe 100, thereby further improving the cooling efficiency for particles.

[0038] Specifically, the support frame 300 is disposed between the conveying pipe 100 and the cooling pipe 200, that is, within the particle conveying space. The support frame 300 includes a connecting rod 310, an outer connecting ring 320, and an inner connecting ring 330.

[0039] The inner connecting ring 330 is sleeved on the cooling pipe 200, and the inner connecting ring 330 abuts against the outer circumferential surface of the cooling pipe 200 to achieve relative fixation of the support frame 300 and the cooling pipe 200.

[0040] The connecting rod 310 is disposed between the outer connecting ring 320 and the inner connecting ring 330. The two ends of the connecting rod 310 are fixedly connected to the outer connecting ring 320 and the inner connecting ring 330 respectively. Multiple connecting rods 310 are provided, and the multiple connecting rods 310 are evenly distributed between the outer connecting ring 320 and the inner connecting ring 330. The multiple connecting rods 310 are equidistantly distributed around the central axis of the inner connecting ring 330.

[0041] The outer connecting ring 320 abuts against the inner wall of the conveying pipe 100 to fix the support frame 300 and the conveying pipe 100.

[0042] By setting a support frame 300 between the conveying pipe 100 and the cooling pipe 200, the conveying pipe 100 and the cooling pipe 200 are relatively fixed, thereby avoiding relative slippage between the conveying pipe 100 and the cooling pipe 200 during operation, and ensuring the stability of the particle conveying channel during operation.

[0043] Specifically, in this embodiment, the number of support frames 300 is set to multiple, and the multiple support frames 300 are arranged at intervals along the particle conveying direction. Setting the number of support frames 300 to multiple makes the connection between the conveying pipe 100 and the cooling pipe 200 more stable.

[0044] Specifically, in this embodiment, a fixed-distance connector 340 is provided between two adjacent support frames 300. The fixed-distance connector 340 allows the two adjacent support frames 300 to maintain a certain distance, thereby preventing the two adjacent support frames 300 from sliding relative to each other.

[0045] Specifically, the fixed-distance connector 340 is configured as a length-adjustable component. By configuring the fixed-distance connector 340 as a length-adjustable component, the distance between two adjacent support frames 300 can be adjusted, so that the staff can adjust the distance between two adjacent support frames 300 according to actual needs, thereby avoiding the obstruction of other structures in the conveying channel.

[0046] Specifically, the fixed-distance connector 340 includes an adjusting rod 341 and an adjusting sleeve 342. The adjusting sleeve 342 is sleeved on the adjusting rod 341. The end of the adjusting sleeve 342 away from the adjusting rod 341 is fixedly connected to the connecting rod 310 of the support frame 300. The end of the adjusting rod 341 away from the adjusting sleeve 342 is rotatably connected to the connecting rod 310 of another support frame 300. The outer circumferential surface of the adjusting rod 341 is provided with a second thread, and the inner wall of the adjusting sleeve 342 is provided with a first thread. The adjusting rod 341 and the adjusting sleeve 342 are connected by the first thread and the second thread, so that when the adjusting rod 341 rotates relative to the adjusting sleeve 342, the overall length of the fixed-distance connector 340 changes, thereby adjusting the distance between two adjacent support frames 300.

[0047] Specifically, in this embodiment, the adjusting rod 341 is provided with a smooth rod portion, and the smooth rod portion and the second thread are respectively provided at both ends of the adjusting rod 341. The second thread is completely provided inside the adjusting sleeve 342, and the smooth rod portion extends out from the adjusting sleeve 342, thereby avoiding the collision between particles and the second thread and causing damage to the second thread, so as to ensure that the length of the fixed-distance connector 340 can be adjusted normally during long-term use.

[0048] Specifically, in this embodiment, the smooth rod is provided with a tool insertion hole 343. When it is necessary to rotate the adjusting rod 341 relative to the adjusting sleeve 342, the operator can insert a tool into the tool insertion hole 343 and then drive the tool to rotate, thereby driving the adjusting rod 341 to rotate, thereby realizing the adjustment of the length of the fixed-distance connector 340.

[0049] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A high-efficiency cooled particle transport channel, characterized in that: include: A conveying pipe; a cooling pipe, wherein the cooling pipe is arranged parallel to the conveying pipe and is disposed within the conveying pipe, and a particle conveying space with an annular cross-section is formed between the conveying pipe and the cooling pipe.

2. The high-efficiency cooling particle conveying channel according to claim 1, characterized in that: The conveying pipeline is a colorless and transparent component.

3. The high-efficiency cooling particle conveying channel according to claim 2, characterized in that: The cooling pipes are colored components.

4. The high-efficiency cooling particle conveying channel according to claim 3, characterized in that: The cooling pipe is a colored transparent component.

5. The high-efficiency cooling particle conveying channel according to claim 1, characterized in that: The inner wall of the cooling pipe has a protruding spiral guide structure, which is used to guide the liquid in the cooling pipe so that the liquid in the cooling pipe flows in a spiral.

6. The high-efficiency cooling particle conveying channel according to claim 1, characterized in that: The inner wall of the conveying pipeline has a raised structure.

7. The high-efficiency cooling particle conveying channel according to claim 1, characterized in that: Multiple support frames are provided between the conveying pipe and the cooling pipe; each support frame includes an inner connecting ring, an outer connecting ring, and connecting rods; the inner connecting ring mates with the inner wall of the conveying pipe, and the outer connecting ring mates with the outer wall of the cooling pipe; multiple connecting rods are provided, and the multiple connecting rods are evenly distributed between the inner connecting ring and the outer connecting ring, with both ends of the connecting rods fixedly connected to the inner connecting ring and the outer connecting ring respectively, so as to fix the inner connecting ring and the outer connecting ring.

8. The high-efficiency cooling particle conveying channel according to claim 7, characterized in that: A fixed-distance connector is provided between two adjacent support frames, and the fixed-distance connector is a length-adjustable component.

9. The high-efficiency cooling particle conveying channel according to claim 8, characterized in that: The fixed-distance connector includes an adjusting sleeve and an adjusting rod. The adjusting sleeve is provided with a first thread, and the adjusting rod is provided with a second thread. The first thread and the second thread are threadedly connected. The ends of the adjusting sleeve and the adjusting rod that are far apart from each other are respectively connected to the two support frames.

10. The high-efficiency cooling particle conveying channel according to claim 9, characterized in that: The adjusting rod has a smooth rod portion, and the second thread is provided inside the adjusting sleeve. The smooth rod portion extends out of the adjusting sleeve and has a tool insertion hole for inserting a tool. When the tool rotates, it drives the adjusting rod to rotate relative to the adjusting sleeve.

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