A high-efficiency cable material particle cooling and dust removal all-in-one machine
By using vertical airflow turbulence in the suspension cooling mechanism and dust removal equipment, the problems of large footprint and high energy consumption in cable material particle cooling devices are solved, achieving efficient cooling and dust removal effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI FANGZHIDE NEW MATERIAL CO LTD
- Filing Date
- 2025-09-02
- Publication Date
- 2026-07-31
AI Technical Summary
Existing cable material particle cooling devices occupy a large area, consume a lot of energy, and have low cooling efficiency.
The system employs a suspension cooling mechanism, utilizing vertical upward airflow to carry and tumble the granular material, increasing the contact area between the granular material and the air. Simultaneously, an air extraction device removes powder. The cooling box is located at the bottom of the air-feeding hopper to reduce the equipment's footprint.
It improves the cooling efficiency of particulate materials, achieves the purpose of dust removal, and reduces the equipment's footprint and energy consumption.
Smart Images
Figure CN224575956U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of cable material particles, and in particular to an integrated machine for high-efficiency cooling and dust removal. Background Technology
[0002] The outer insulating layer of a cable (referred to as the "insulation layer") is the core structure that ensures the electrical insulation performance of the cable and prevents leakage. During the cable manufacturing process, plastic granules are used to create the cable's insulation layer.
[0003] The general production process for plastic granules is as follows: various raw materials are mixed and then fed into a granulator; the granulator melts the raw materials into a "melt" through heating and the rotating shear of a screw, and then extrudes it from the die head of the extruder to form a continuous "strip"; subsequently, the granulator's cutter head cuts the strip into granules. At this point, the granules are at a high temperature and can be cooled by air through a "pneumatic conveying system" at multiple pneumatic conveying bins.
[0004] In existing technologies, granular materials require multi-stage pneumatic conveying pipelines to transfer them between multiple pneumatic conveyor bins (at least two) for cooling. However, existing granular material cooling devices suffer from problems such as large footprint, high energy consumption, and low cooling efficiency. Utility Model Content
[0005] To reduce the cooling efficiency of granular materials used in cable production and reduce the floor space occupied by cooling devices, this application provides an integrated high-efficiency cooling and dust removal machine for cable material granules.
[0006] This application provides a high-efficiency cooling and dust removal integrated machine for cable material particles, which adopts the following technical solution: A high-efficiency cooling and dust removal integrated machine for cable material granules includes a pneumatic conveying hopper and a suspension cooling mechanism. Granular material is conveyed to the suspension cooling mechanism via the pneumatic conveying hopper. The suspension cooling mechanism includes a cooling box and a mesh plate. The cooling box includes a lower box and an upper box that overlap each other, and the mesh plate is disposed within the lower box. The upper box is connected to the pneumatic conveying hopper and has an inlet. The lower box has an outlet, and the inlet and outlet are located on opposite sides of the cooling box for feeding. The granular material in the barrel is fed onto the screen plate through the feed inlet. The granular material moves along the screen plate toward the discharge port. The lower chamber is provided with an air inlet pipe section, which is located on the side of the screen plate away from the upper chamber. The air inlet pipe section is connected to an external air supply device. The upper chamber is provided with an air extraction pipe section, which is connected to an external air extraction device. Gas is transported along the air inlet pipe section, the screen plate, and the air extraction pipe section. The vertically flowing gas is used to agitate the granular material on the screen plate and extract the powder from the granular material to the outside of the cooled chamber.
[0007] By adopting the above technical solution, the combined action of external air supply and extraction equipment in the cooling box ensures a constant vertical upward airflow. This airflow carries the particulate material up and down, increasing the contact area between the particulate material and the air, allowing the particulate material to cool rapidly. At the same time, lighter powders are extracted by the extraction equipment, thus achieving the purpose of dust removal from the particulate material. The cooling box is located at the bottom of the pneumatic conveying hopper, thereby reducing the equipment's footprint.
[0008] Optionally, the elevation of the mesh plate decreases along the direction from the inlet to the outlet of the cooling box.
[0009] By adopting the above technical solution, the screen is set at an angle, which facilitates the movement of particulate material towards the discharge port.
[0010] Optionally, a separator is also included, which is disposed between the mesh plate and the air intake pipe section; the separator includes a separator plate and a constriction guide pipe; the separator plate is fixedly connected to the inner peripheral wall of the lower housing, and the separator plate is provided with a plurality of first connecting holes and second connecting holes spaced apart; the constriction guide pipe is disposed on the side of the separator plate near the mesh plate, and the constriction guide pipe is disposed on the outer periphery of the second connecting hole, and a clearance distance is provided between the constriction guide pipe and the mesh plate.
[0011] By adopting the above technical solution, the constricted guide tube on the partition plate can increase the flow rate of the local airflow, thereby increasing the amplitude of the up-and-down tumbling of the particulate material in the local area and further improving the cooling efficiency of the particulate material.
[0012] Optionally, the number of the first connecting holes is greater than the number of the second connecting holes.
[0013] By adopting the above technical solutions, the effective range of airflow is ensured, thereby ensuring the cooling effect of particulate materials.
[0014] Optionally, the diameter of the first connecting hole is smaller than the diameter of the second connecting hole.
[0015] By adopting the above technical solution, more gas can enter the constriction guide tube, thus ensuring the acceleration effect of the constriction guide tube on the local gas flow rate.
[0016] Optionally, the constricted guide tube includes a constricted tube section and a straight tube section, wherein the constricted tube section and the straight tube section are integrally formed; the constricted tube section is fixedly connected to the partition plate.
[0017] By adopting the above technical solution, a straight pipe section is provided at the end of the guide tube, which can improve the stability of gas flow.
[0018] Optionally, along the vertical upward direction, the upper housing includes a cuboid and a cone, the cuboid and the cone are integrally formed, and the exhaust pipe section is disposed at the top of the cone.
[0019] By adopting the above technical solution, the cuboid has a larger vertical space, which is conducive to the vertical tumbling of granular materials. Optionally, the upper housing is provided with a transparent observation window.
[0020] By adopting the above technical solution, a transparent observation window is provided in the upper box to facilitate staff to observe the condition of particulate materials inside the cooling box.
[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. Inside the cooling chamber, the combined action of external air supply and extraction equipment ensures a constant upward airflow. This airflow carries the particulate material up and down, increasing the contact area between the material and the air, thereby improving the cooling efficiency. Simultaneously, lighter powders are extracted by the extraction equipment, achieving dust removal from the particulate material. The cooling chamber is located at the bottom of the pneumatic conveying hopper, thus reducing the equipment's footprint. 2. The tapered guide tube on the partition plate can increase the flow rate of the local airflow, thereby increasing the amplitude of the up-and-down tumbling of the particulate material in the local area and further improving the cooling efficiency of the particulate material. 3. A straight pipe section is provided at the end of the guide tube to improve the stability of gas flow. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the integrated cooling and dust removal machine in Example 1.
[0023] Figure 2 This is a cross-sectional view of the integrated cooling and dust removal machine in Example 1.
[0024] Figure 3 This is a cross-sectional view of the integrated cooling and dust removal machine in Example 2.
[0025] Figure 4 yes Figure 3 Enlarged view of point A in the image.
[0026] Explanation of reference numerals in the attached drawings: 1. Pneumatic feeding hopper; 2. Suspension cooling mechanism; 3. Cooling box; 31. Lower box; 311. Discharge port; 312. Air inlet pipe section; 32. Upper box; 321. Feed port; 322. Exhaust pipe section; 323. Cuboid; 324. Conical body; 325. Transparent observation window; 33. Fastener; 4. Mesh plate; 5. Divider; 51. Divider plate; 511. First connecting hole; 512. Second connecting hole; 52. Closing guide pipe; 521. Closing pipe section; 522. Straight pipe section. Detailed Implementation
[0027] The following is in conjunction with the appendix Figure 1 -4 provides further details regarding this application.
[0028] Example 1 This application discloses an integrated high-efficiency cooling and dust removal machine for cable material granules. This integrated cooling and dust removal machine is used to cool granular materials used in the production of cable insulation outer layers.
[0029] Reference Figure 1 and Figure 2 The high-efficiency cooling and dust removal integrated machine for cable material granules includes a pneumatic conveying hopper 1 and a suspension cooling mechanism 2. The granular material is conveyed from the pneumatic conveying hopper 1 to the suspension cooling mechanism 2. The pneumatic conveying hopper 1 is widely used in the prior art, and its specific structure will not be described in detail in this embodiment. In this embodiment, within the pneumatic conveying hopper 1, the airflow carries the granular material downwards, thereby conveying the granular material to the suspension cooling mechanism 2.
[0030] Reference Figure 1 and Figure 2 The suspended cooling mechanism 2 includes a cooling box 3 and a mesh plate 4. The cooling box 3 includes a lower box 31 and an upper box 32 that overlap each other. The upper box 32 and the lower box 31 are fixedly connected by a buckle 33. The upper box 32 is connected to the pneumatic conveying hopper 1. The upper box 32 is provided with a feed inlet 321, and the lower box 31 is provided with a discharge outlet 311. The feed inlet 321 and the discharge outlet 311 are located on both sides of the cooling box 3.
[0031] Reference Figure 1 and Figure 2 The screen plate 4 is located inside the lower box 31, and its elevation decreases along the direction from the inlet 321 to the outlet 311 of the cooling box 3. The granular material in the pneumatic conveying hopper 1 is fed onto the screen plate 4 through the inlet 321, and the granular material moves along the screen plate 4 toward the outlet 311.
[0032] Reference Figure 1 and Figure 2The lower housing 31 is provided with an air inlet pipe section 312, which is located on the side of the mesh plate 4 away from the upper housing 32. The air inlet pipe section 312 is connected to an external air supply device. The upper housing 32 is provided with an air extraction pipe section 322, which is connected to an external air extraction device. The gas is transported along the air inlet pipe section 312, the mesh plate 4 and the air extraction pipe section 322. The vertically flowing gas is used to agitate the granular material on the mesh plate 4 and extract the powder in the granular material to the outside of the cooled housing 3.
[0033] Reference Figure 1 and Figure 2 In this embodiment, the upper chamber 32, along the vertical upward direction, includes a cuboid 323 and a cone 324, which are integrally formed. An exhaust pipe section 322 is located at the top of the cone 324. The cuboid 323 at the bottom of the upper chamber 32 provides space for the tumbling of the particulate material, while the cone 324 at the top of the upper chamber 32 facilitates the collection of powder mixed in with the particulate material. Furthermore, the upper chamber 32 is provided with a transparent observation window 325 to allow personnel to observe the condition of the particulate material inside the cooling chamber 3.
[0034] The implementation principle of the high-efficiency cooling and dust removal integrated machine for cable material particles in this application embodiment is as follows: Reference Figure 1 and Figure 2 The cooling box 3 is located at the bottom of the air-feeding hopper 1, which reduces the footprint of the equipment.
[0035] Reference Figure 1 and Figure 2 When the granular material is fed into the cooling box 3 through the pneumatic conveying bucket 1, it falls onto the inclined mesh plate 4, moves along the inclined mesh plate 4, and falls into the next process equipment through the discharge port 311.
[0036] Reference Figure 1 and Figure 2 Within the cooling chamber 3, the combined action of the external air supply and extraction equipment ensures a constant upward airflow. This upward airflow exerts an upward force on the particulate material and the powder mixed within it. The lighter powder particles are then drawn away by the extraction equipment, thus achieving the purpose of dust removal from the particulate material.
[0037] Reference Figure 1 and Figure 2 When the granular material is close to the screen plate 4, the force of the airflow on the granular material is greater than the weight of the granular material, causing the granular material to move upward; when the granular material is far from the screen plate 4, the force of the airflow on the granular material decreases. When the force of the airflow on the granular material is less than the weight of the granular material, the granular material will fall.
[0038] Reference Figure 1 and Figure 2 This means that under the action of upward airflow, the particulate material tumbles up and down to increase the contact area between the particulate material and the air, so that the particulate material can be cooled quickly, improving the cooling efficiency of the particulate material and reducing energy consumption.
[0039] Reference Figure 1 and Figure 2 Meanwhile, the external air extraction equipment continuously extracts the gas that has been heated by the granular material, so that the cooler fresh air is constantly in contact with the granular material to improve the cooling efficiency of the granular material.
[0040] Furthermore, along the direction from the inlet 321 to the outlet 311 of the cooling box 3, the granular material in the rear has a squeezing and pushing effect on the granular material in front, causing the granular material to move further towards the outlet 311.
[0041] Example 2 The difference between Example 2 and Example 1 is as follows: Reference Figure 3 and Figure 4 The integrated high-efficiency cooling and dust removal machine for cable material particles also includes a separator 5, which is disposed between the mesh plate 4 and the air inlet pipe section 312. The separator 5 includes a separator plate 51 and a converging guide pipe 52; the separator plate 51 is fixedly connected to the inner peripheral wall of the lower housing 31, and the separator plate 51 is provided with a plurality of first connecting holes 511 and second connecting holes 512 spaced apart; the converging guide pipe 52 is disposed on the side of the separator plate 51 near the mesh plate 4, and the converging guide pipe 52 is disposed on the outer periphery of the second connecting hole 512, and a clearance distance is provided between the converging guide pipe 52 and the mesh plate 4. In this embodiment, the converging guide pipe 52 includes a converging pipe section 521 and a straight pipe section 522, the converging pipe section 521 is fixedly connected to the separator plate 51, and the converging pipe section 521 and the straight pipe section 522 are integrally formed.
[0042] The implementation principle of the high-efficiency cooling and dust removal integrated machine for cable material particles in this application embodiment is as follows: Reference Figure 3 and Figure 4 When the gas enters the cooling box 3 through the air inlet pipe section 312, some of the gas will pass through the first connecting hole 511 on the partition plate 51 and the mesh plate 4 in sequence and then come into contact with the granular material, causing the granular material to tumble up and down, and using cold air to cool the granular fabric.
[0043] Reference Figure 3 and Figure 4Part of the gas will come into contact with the particulate material after passing through the second connecting hole 512, the constricting guide tube 52, and the mesh plate 4. Since the constricting guide tube 52 has a constricting section 521, the gas flow rate within the constricting guide tube 52 can be increased. Furthermore, the straight section 522 at the end of the constricting guide tube 52 can improve the stability of the gas flow. As for the constriction radius of the constricting section 521, those skilled in the art can determine this through a limited number of experiments; thus, the gas can smoothly pass through the constricting guide tube 52 while simultaneously increasing the gas flow rate.
[0044] Therefore, when the gas flows from the converging guide pipe 52 to the mesh plate 4, the gas has a large flow velocity, which makes the airflow in this area have a greater force on the particulate material, thereby increasing the amplitude of the up-and-down tumbling of the particulate material in this area; which is conducive to further heat dissipation and cooling of the particulate material, thereby further improving the cooling efficiency of the particulate material.
[0045] Reference Figure 3 and Figure 4 In this embodiment, the number of first connecting holes 511 is greater than the number of second connecting holes 512; this ensures the effective range of airflow and the cooling effect on particulate materials. The diameter of the first connecting holes 511 is smaller than the diameter of the second connecting holes 512, allowing more gas to enter the constricting guide pipe 52, thus ensuring the constricting guide pipe 52's acceleration effect on the local gas flow rate.
[0046] 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 high-efficiency cooling and dust removal integrated machine for cable material granules, characterized in that: The system includes a pneumatic conveying hopper (1) and a suspension cooling mechanism (2). Particles are conveyed from the pneumatic conveying hopper (1) to the suspension cooling mechanism (2). The suspension cooling mechanism (2) includes a cooling box (3) and a screen plate (4). The cooling box (3) includes a lower box (31) and an upper box (32) that cover each other. The screen plate (4) is located inside the lower box (31). The upper box (32) is connected to the pneumatic conveying hopper (1). The upper box (32) has an inlet (321), and the lower box (31) has an outlet (311). The inlet (321) and the outlet (311) are located on both sides of the cooling box (3). The particles in the pneumatic conveying hopper (1) are transported to the suspension cooling mechanism (2). The material is fed onto the mesh plate (4) through the feed inlet (321). The granular material moves along the mesh plate (4) toward the discharge port (311). The lower box (31) is provided with an air inlet pipe section (312). The air inlet pipe section (312) is located on the side of the mesh plate (4) away from the upper box (32). The air inlet pipe section (312) is connected to an external air supply device. The upper box (32) is provided with an air extraction pipe section (322). The air extraction pipe section (322) is connected to an external air extraction device. The gas is transported along the air inlet pipe section (312), the mesh plate (4) and the air extraction pipe section (322). The vertically flowing gas is used to tumble the granular material on the mesh plate (4) and extract the powder in the granular material to the outside of the cooled box (3).
2. The cable material particle high-efficiency cooling and dust removal all-in-one machine according to claim 1, characterized in that: Along the direction from the inlet (321) to the outlet (311) of the cooling box (3), the elevation of the mesh plate (4) decreases.
3. The cable material particle high-efficiency cooling and dust removal all-in-one machine according to claim 1, characterized in that: It also includes a separator (5), which is disposed between the mesh plate (4) and the air intake pipe section (312); the separator (5) includes a separator plate (51) and a constriction guide pipe (52); the separator plate (51) is fixedly connected to the inner peripheral wall of the lower box (31), and the separator plate (51) is provided with a plurality of first connecting holes (511) and second connecting holes (512) spaced apart; the constriction guide pipe (52) is disposed on the side of the separator plate (51) close to the mesh plate (4), and the constriction guide pipe (52) is disposed on the outer periphery of the second connecting hole (512), and a clearance distance is provided between the constriction guide pipe (52) and the mesh plate (4).
4. The cable material particle high-efficiency cooling and dust removal all-in-one machine according to claim 3, characterized in that: The number of the first connecting holes (511) is greater than the number of the second connecting holes (512).
5. The cable material particle high-efficiency cooling and dust removal all-in-one machine according to claim 3, characterized in that: The constriction guide tube (52) includes a constriction tube section (521) and a straight tube section (522), the constriction tube section (521) and the straight tube section (522) are integrally formed; the constriction tube section (521) is fixedly connected to the partition plate (51).
6. The integrated high-efficiency cooling and dust removal machine for cable material particles according to claim 1, characterized in that: Along the vertical upward direction, the upper box (32) includes a cuboid (323) and a cone (324), the cuboid (323) and the cone (324) are integrally formed, and the exhaust pipe section (322) is disposed on the top of the cone (324).
7. The integrated high-efficiency cooling and dust removal machine for cable material particles according to claim 1, characterized in that: The upper housing (32) is provided with a transparent observation window (325).