Cooling device for flame retardant raw material processing

Abstract

The invention discloses a cooling device for flame retardant raw material processing, which comprises a rack, screw extrusion equipment is arranged on the top surface of the rack, a first heat dissipation mechanism is arranged in the rack, a second heat dissipation mechanism is arranged at the position close to one end of the rack, and high-temperature particles automatically slide down on a guide rail by virtue of gravity. The heat dissipation path and time of materials in the air are greatly prolonged, the synchronously activated array type air cooling heat dissipation pieces conduct bidirectional forced convection impact on sliding particles from the upper direction and the lower direction, heat dissipation of the surfaces of the particles is greatly accelerated, a second heat dissipation mechanism is connected with a secondary heat dissipation box through a collection box, and the heat dissipation efficiency is greatly improved. The problems of blind area, low efficiency, easy hardening and the like existing in static cooling of high-heat materials are solved, the cooling uniformity of flame retardant particles and the product stability are ensured, and the risk of performance failure or caking of the materials caused by waste heat is effectively prevented.

Description

Technical Field

[0001] This invention relates to the field of flame retardant processing technology, specifically to a cooling device for processing flame retardant raw materials. Background Technology

[0002] Cooling devices for flame retardant raw material processing refer to industrial equipment specifically designed for rapidly cooling raw materials or intermediates at high temperatures during flame retardant production. Their core function is to ensure the quality, stability, and production safety of flame retardant products by controlling the cooling rate and final temperature. Designed specifically for the material characteristics of flame retardant production, such as heat sensitivity, viscosity, corrosiveness, and process requirements, they prevent decomposition, oxidation, or crystal transformation caused by high temperatures, maintain flame retardant efficiency, and avoid the risk of combustion or decomposition due to prolonged exposure to high temperatures. This allows the material to quickly reach the temperature required for the next process, such as granulation or packaging, thereby improving overall efficiency.

[0003] In the prior art, publication number "CN216732613U" discloses a cooling device for processing flame retardant raw materials, relating to the field of flame retardant technology. It includes a housing with a feed inlet at the top and a discharge outlet on one side. A controller is mounted on the front face of the housing, and a water tank is connected to one side of the housing. In this invention, the operation of a servo motor causes a first rotating rod to drive a stirring rod to stir and cool inside the mixing tank. Simultaneously, a water pipe connected to the surface of the mixing tank cools the mixing tank and the raw materials inside. When the first rotating rod and the first gear rotate, they drive a second rotating rod, a second gear, a third rotating rod, a third gear, and a fourth gear to rotate. The rack on the surface of the fourth gear drives a collar and a fan at its bottom to rotate on the surface of a slider via a groove, facilitating secondary cooling of the mixing tank and raw materials by the fan, thereby improving the cooling efficiency of the raw materials inside the mixing tank.

[0004] However, existing technologies still have significant shortcomings, such as: Traditional flame retardant granulation cooling devices typically employ a single fixed cooling tank or static spreading method. These methods have short heat dissipation paths and rely entirely on natural convection, resulting in the inability to dissipate heat from the high-temperature particles in a timely manner. This can easily lead to a hot core phenomenon where the outer layer cools while the inner core continues to accumulate heat. Furthermore, material transportation often relies on manual transfer or vibrating discs, which is not only inefficient but also prone to particle breakage. Static stacking cooling methods can also create heat dissipation blind spots due to material caking, ultimately causing problems such as agglomeration and thermal decomposition failure of the flame retardant due to uneven cooling. Overall, the equipment has low space utilization and high energy consumption, making it difficult to meet the requirements of continuous production for heat dissipation efficiency and quality stability. Summary of the Invention

[0005] The purpose of this invention is to provide a cooling device for processing flame retardant raw materials, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cooling device for processing flame retardant raw materials, comprising a frame, a screw extrusion device on the top surface of the frame, a first heat dissipation mechanism inside the frame, and a second heat dissipation mechanism near one end of the frame; The frame includes a processing support, the processing support has a hollow chamber inside, and the first heat dissipation mechanism is located at the position of the hollow chamber; The first heat dissipation mechanism includes an upper guide rail and a lower guide rail, which are staggered vertically and located inside the hollow chamber. The two guide rails are installed at an angle from top to bottom. The second heat dissipation mechanism includes a collection box and a secondary heat dissipation box. The collection box is located at the outlet of the lower guide rail, and the secondary heat dissipation box is equipped with a water-cooled heat dissipation chamber and a material turning chamber.

[0007] Preferably, the bottom surface of the processing bracket is equipped with a support base array. The support base has a trapezoidal structure with a wide bottom and a narrow top. The wide bottom significantly reduces the pressure on the ground. The support base serves as a support for the processing bracket, thereby achieving the stability of the processing bracket. The hollow chamber is rectangular and extends through both sides of the processing bracket.

[0008] Preferably, the screw extrusion equipment includes an extrusion motor, a housing, a screw rod, and a feed hopper. The extrusion motor is connected to the screw rod, the housing is wrapped around the surface of the screw rod, the surface of the feed hopper is inclined from the outside to the inside, and the outlet of the feed hopper is connected to the inlet of the housing.

[0009] Preferably, the extrusion end of the outer shell is provided with a forming mold, the forming mold includes a mold plate, the mold plate is bolted to the surface of the outer shell, a connecting bracket is fixed on the mold plate, and a rotating shearing component is provided at the outlet near the front of the mold plate.

[0010] Preferably, the rotating shearing component is located at the center of the mold disk and the disk on the connecting bracket. Both ends of the rotating shearing component are rotatably connected to the mold disk and the disk. The shearing part of the rotating shearing component is a triangular shearing blade arranged in a circumferential array on the surface of the rotating shaft, used to shear the material extruded by the screw extrusion equipment.

[0011] Preferably, the upper guide rail is located directly below the forming mold, and the edge of the upper guide rail includes a frame, while the exit end of the upper guide rail is frameless, so as to ensure that the material can fall smoothly into the lower guide rail below. The top and bottom surfaces of the upper guide rail are respectively provided with air-cooled heat dissipation components, and the air-cooled heat dissipation components are respectively arrayed and installed at the positions of the processing bracket and the bottom surface of the upper guide rail.

[0012] Preferably, a reinforcing bracket is welded to the surface of the collection box, one end of which is fixed to the secondary heat dissipation box, and the other end of which is fixed to the bottom surface of the processing bracket. The supporting surface of the reinforcing bracket is flush with the bottom surface of the secondary heat dissipation box and the supporting base.

[0013] Preferably, a conveyor belt is installed inside the collection box, and chain plates are fixed on the surface array of the conveyor belt. The chain plates can move with the movement direction of the conveyor belt. The chain plates are located inside the collection box and are located at the exit position near the lower guide rail.

[0014] Preferably, the secondary heat dissipation box is sealed and fixed with a baffle plate inside, and the water-cooled heat dissipation cavity and the material turning cavity are located on both sides of the baffle plate; Preferably, the inside of the turning chamber is connected to a turning roller with a bearing, and the blades on the surface of the turning roller are arranged in a circumferential array on the surface of the turning roller.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. The first heat dissipation mechanism cleverly utilizes the hollow chamber space of the processing support to construct a compact gravity sliding channel through the staggered inclined guide rails. The high-temperature particles after shearing automatically slide down the guide rails by gravity, which greatly extends the heat dissipation path and time of the material in the air. The array-type air-cooled heat dissipation components activated simultaneously exert bidirectional forced convection impact on the sliding particles from both above and below, which greatly accelerates the heat dissipation from the particle surface. By coupling gravity self-flow with directional air cooling technology, continuous and efficient cooling without additional power is achieved in a limited space, which significantly improves the primary cooling efficiency and effectively reduces energy consumption.

[0016] 2. The second heat dissipation mechanism, through the connection between the collection box and the secondary heat dissipation box, forms a complete deep cooling production line. The chain conveyor belt inside the collection box can automatically and continuously lift and send the material into the secondary heat dissipation box, avoiding manual transfer and material accumulation. The secondary heat dissipation box adopts an isolation design between the water-cooled heat dissipation chamber and the turning chamber. The continuous rotation of the turning roller causes the material to be repeatedly thrown and turned, completely destroying the internal heat accumulation core. At the same time, the heat-absorbing baffle plate can quickly absorb the heat conducted by the turning chamber and continuously remove the heat in the water-cooled chamber through the coolant circulation system. This solves the problems of blind spots, low efficiency, and easy caking in the static cooling of high-heat materials, ensuring the cooling uniformity and product stability of flame retardant particles, and effectively preventing the risk of performance failure or agglomeration of materials due to residual heat. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall device of the present invention; Figure 2 This is an enlarged view of the molding die in this invention; Figure 3This is a perspective view of the present invention; Figure 4 This is a cross-sectional view of the present invention; Figure 5 This is a top view of the present invention; Figure 6 This is a front view of the present invention; Figure 7 This is a schematic diagram of a cross-section in this invention; Figure 8 This is a schematic diagram of the frame structure in this invention.

[0018] In the diagram: 1. Frame; 11. Processing support; 12. Hollow chamber; 13. Support base; 2. Screw extrusion equipment; 21. Extrusion motor; 22. Housing; 23. Screw; 24. Feed hopper; 3. Forming mold; 31. Mold plate; 32. Connecting bracket; 33. Rotary shearing component; 4. First heat dissipation mechanism; 41. Upper guide rail; 42. Lower guide rail; 43. Air-cooled heat dissipation component; 5. Secondary heat dissipation mechanism; 51. Collection box; 52. Secondary heat dissipation box; 53. Water-cooled heat dissipation cavity; 54. Turning chamber; 55. Baffle plate; 56. Turning roller; 57. Reinforcing bracket; 58. Conveyor belt; 59. Chain plate. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-8 The present invention provides a technical solution: Example 1: A cooling device for processing flame retardant raw materials: It includes a frame 1, a screw extrusion device 2 mounted on the top surface of the frame 1, a first heat dissipation mechanism 4 inside the frame 1, and a second heat dissipation mechanism 5 located near one end of the frame 1. In the production process of flame retardant raw materials, cooling is a crucial step. To improve the compatibility of flame retardants with base materials such as plastics and rubber, surface coating or coupling agent treatment is often performed. The process of heating and mixing flame retardant particles and modifiers in a high-speed mixer will produce… The material generates a large amount of frictional heat, causing its temperature to rise. Rapid cooling is essential; otherwise, the modifier may become ineffective or decompose due to continuous heating, or the flame retardant particles may clump together, affecting subsequent use. The frame 1 includes a processing support 11, with a hollow chamber 12 inside. The first heat dissipation mechanism 4 is located within the hollow chamber 12. Support bases 13 are arrayed on the bottom surface of the processing support 11. The support bases 13 have a trapezoidal structure, with a wide bottom and a narrow top. The wide bottom significantly reduces pressure on the ground. The support bases 13 serve as… The frame 1, screw extruder 2, and molding die 3 serve as support components for the processing bracket 11, ensuring its stability. They primarily mix and extrude the flame retardant raw materials, forming granules. The main component of the frame 1 is the processing bracket 11. The top surface of the processing bracket 11 supports and mounts the screw extruder 2. The flat top surface facilitates the installation of the screw extruder 2 and ensures normal operation. The trapezoidal support base 13 is fixed to the bottom surface of the processing bracket 11, placing it at the required processing position. This prevents the processing bracket 11 from directly contacting the ground and causing damage. The support base 13 provides stable and effective support for the equipment. The hollow chamber 12 is rectangular and extends through both sides of the processing bracket 11, creating a hollowed-out shape. The central control chamber is designed to save space, allowing other structures such as heat dissipation and cooling systems to be installed there.

[0021] The screw extruder 2 includes an extrusion motor 21, a housing 22, a screw 23, and a feed hopper 24. The extrusion motor 21 is connected to the screw 23, and the housing 22 is wrapped around the surface of the screw 23. The surface of the feed hopper 24 is inclined from the outside to the inside, and the outlet of the feed hopper is connected to the inlet of the housing 22. The screw extruder 2 includes multiple components such as the extrusion motor 21, the screw 23, the housing 22, and the feed hopper. When the screw extruder extrudes the raw material, it uses its own heating element to heat the raw material and extrude it from one end of the housing 22. The motor drives the screw 23 to rotate, conveying the raw material falling from the feed hopper 24 forward. During the process, the material is heated by the heating element in the housing 22. Under the combined heat energy generated by the heat jacket and its own shear friction, the material is plasticized and melted. Finally, under the extrusion thrust of the screw 23, it forms a continuous and uniform extruded product through the end die, realizing the transformation and shaping of solid raw materials into homogeneous melt. The feed hopper 24 is a polygon with a large inlet and a small bottom, and its surface is inclined from top to bottom, which can ensure that the raw material inside can slide into the outer shell 22 and be transported by the rotating screw 23. To further explain, in order to prevent the outlet of the feed hopper 24 from being blocked, an additional rotating screw can be added. It can be installed and controlled by electric control or manual control, depending on the needs. It can be rotated during feeding or when blocked, thereby avoiding the problem of raw material blockage.

[0022] The extrusion end of the outer shell 22 is provided with a forming mold 3, which includes a mold disk 31. The mold disk 31 is bolted and fixed to the surface of the outer shell 22. A connecting bracket 32 ​​is fixed on the mold disk 31. A rotating shearing member 33 is provided near the outlet of the front of the mold disk 31. The rotating shearing member 33 is located at the center of the disk on the mold disk 31 and the connecting bracket 32. Both ends of the rotating shearing member 33 are rotatably connected to the mold disk 31 and the disk. The shearing part of the rotating shearing member 33 is a triangular shearing blade arranged in a circumferential array on the surface of the rotating shaft, which is used to shear the material extruded by the screw extruder 2. The forming mold 3 is located at the outlet end of the outer shell 22 and can pass the extruded raw material through the forming mold 3. The material is shaped into long strips or the desired shape, and then cut to achieve granulation. To further explain, the forming mold includes a mold disk 31, which is bolted to one end of the outer shell 22. The outlet shape of the mold disk 31 is the desired shape. After the raw material is extruded, it forms a long strip. A connecting bracket 32 ​​is also fixed on the mold disk 31. The connecting bracket 32 ​​mainly serves to support and connect the motor and the rotating shearing component 33. The rotating shearing component 33 drives the shearing blades on the surface to rotate through the rotating rod to shear the extruded raw material and form it into granules. The end of the rotating rod near the mold disk 31 is connected to the bearing at the center of the mold disk 31. At the same time, the motor is installed on the outer part of the connecting bracket 32.

[0023] The first heat dissipation mechanism 4 includes an upper guide rail 41 and a lower guide rail 42, which are staggered vertically and located within the hollow chamber 12. Both guide rails are installed at an angle from top to bottom. The upper guide rail 41 is located directly below the forming mold 3 and has a frame at its edge, but its exit end is frameless to ensure the material can fall smoothly into the lower guide rail 42. Air-cooled heat sinks 43 are respectively installed on the top and bottom surfaces of the upper guide rail 41, arrayed on the processing bracket 11 and the bottom surface of the upper guide rail 41. The first heat dissipation mechanism 4 mainly consists of the upper guide rail 41 and the lower guide rail 42. Both the upper guide rail 41 and the lower guide rail 42 are inclined guide rails installed within the central control chamber of the processing bracket 11, greatly reducing the space occupied by the equipment. The staggered vertical distribution of the two guide rails allows the sheared product to fall into the upper guide rail 41, and the inclined direction of the guide rail allows it to move towards the lower guide rail 42. The material slides down until it reaches the lower guide rail. Similarly, it slides down along the inclined direction of the lower guide rail 42, thus achieving a self-cooling effect. Multiple air-cooled heat sinks 43 are added in a row on the top of the hollow chamber 12, on the processing bracket 11, and on the bottom surface of the upper guide rail 41. The air-cooled heat sinks use blades to drive airflow to cool the material. To further explain, after the high-temperature material is cut, it falls into the upper guide rail 41 and slides down automatically along the inclined guide rail by gravity, extending the material's exposure path and heat dissipation time in the air. The array of air-cooled heat sinks 43 activated simultaneously impact the sliding material from top to bottom and from bottom to top, using the forced convection heat transfer principle to rapidly accelerate the heat loss from the material surface. This coupling effect of gravity self-flow and directional air cooling maximizes the heat dissipation stroke within the limited hollow chamber 12, achieving continuous cooling without additional power supply, significantly improving heat dissipation efficiency and reducing energy consumption.

[0024] Example 2: Based on Embodiment 1, the second heat dissipation mechanism 5 includes a collection box 51 and a secondary heat dissipation box 52. The collection box 51 is located at the outlet of the lower guide rail 42. The secondary heat dissipation box 52 is equipped with a water-cooled heat dissipation cavity 53 and a material turning cavity 54. A reinforcing bracket 57 is welded to the surface of the collection box 51. One end of the reinforcing bracket 57 is fixed to the secondary heat dissipation box 52, and the other end of the reinforcing bracket 57 is fixed to the bottom surface of the processing bracket 11. The supporting surface of the reinforcing bracket 57 is flush with the bottom surfaces of the secondary heat dissipation box 52 and the support base 13. A conveyor belt 58 is installed inside the collection box 51. Chain plates 59 are fixedly arranged on the surface of the conveyor belt 58 and can move with the direction of movement of the conveyor belt 58. The chain plates 59 are located inside the collection box 51 and are located near the outlet of the lower guide rail. The second heat dissipation mechanism 5 is a component near one end of the processing bracket 11. The two are connected to form a whole. The heat dissipation mechanism 5 includes a collection box 51 and a secondary heat dissipation box 52. The collection box 51 is located at the outlet of the lower guide rail 42 and is used to receive the material from the primary heat dissipation. The secondary heat dissipation box 52 effectively cools and lowers the temperature of the produced material again through various methods, preventing the material from failing or decomposing due to continuous heating, or causing the flame retardant particles to clump together and affect subsequent use. It should be noted that the collection box 51 includes a conveyor belt 58, and the conveying surface of the conveyor belt 58 includes chain plates 59. When the material falls into the collection box 51, it will normally fall directly into the supports of two adjacent chain plates 59. The conveyor belt 58 drives the chain plates 59 to move and lift the material into the secondary heat dissipation box 52. Excess material accumulates in the collection box 51. However, since the chain plates 59 are constantly moving, even if some material accumulates in the collection box 51, it can be lifted and transferred by the chain plates 59 on the return trip. The secondary heat dissipation box 52 is internally sealed with a baffle plate 55. The water-cooled heat dissipation cavity 53 and the material turning cavity 54 are located on both sides of the baffle plate 55. The material turning cavity 54 is internally connected to a material turning roller 56 by a bearing. The blades on the surface of the material turning roller 56 are arranged in a circumferential array. To further explain, the internal cavity of the secondary heat dissipation box 52 includes a water-cooled heat dissipation cavity 53 and a material turning cavity 54, which are separated by a heat-absorbing baffle plate. The material is fed into the material turning cavity 54. The material turning roller 56 in the material turning cavity 54 is rotated by a motor to turn the accumulated material. At the same time, the baffle plate 55 can absorb the heat of the material. An additional coolant circulation structure can be added to send coolant into the water-cooled heat dissipation cavity 53 for circulation and water cooling of the material. The roller inside the turning chamber 54 continuously rotates, throwing and turning the accumulated material inside, completely breaking the heat accumulation core inside the material and exposing its surface heat. At the same time, the heat-absorbing barrier plate 55 quickly absorbs the heat transferred from the turning chamber 54 through heat conduction, and the heat is continuously carried away by the circulating coolant in the water-cooled chamber, forming a three-level heat dissipation path of turning exposure, heat conduction, and liquid cooling circulation. This not only solves the problems of cooling blind spots and low efficiency in traditional static heat dissipation, but also greatly improves heat dissipation efficiency and material cooling uniformity through active turning and liquid cooling synergy. It is especially suitable for the subsequent deep cooling needs of high heat and easy-to-caking materials. The reinforcing bracket 57 can connect and fix the secondary heat dissipation box 52, the collection box 51 and the processing bracket 11 to form an integrated device. Working Principle: The frame, screw extruder, and forming die primarily mix and extrude flame retardant raw materials to form granules. The main component of the frame is the processing support, whose top surface supports and mounts the screw extruder. The flat top surface facilitates installation and ensures normal operation. The trapezoidal support base is fixed to the bottom of the processing support, placing it at the required processing position. This prevents direct contact between the processing support and the ground, thus avoiding damage. The support base provides stable and effective support for the equipment. The hollow chamber is located inside the processing support, creating a hollow center. This design primarily saves on equipment costs. The space provided allows for the installation of other structures, such as heat dissipation and cooling systems, at this location. The screw extrusion equipment includes multiple components such as an extrusion motor, screw, housing, and feeder. When extruding raw materials, the screw extruder uses its own heating element to heat the raw material and extrude it from one end of the housing. The motor drives the screw to rotate, conveying the raw material falling from the feed hopper forward. During this process, the material is plasticized and melted under the combined heat energy generated by the heating sleeve and its own shear friction. Finally, under the extrusion thrust of the screw, it forms a continuous and uniform extruded product through the end die, realizing the transformation and shaping of solid raw materials into a homogeneous melt. The feed hopper is a polygon with a large inlet and a small bottom, and its surface slopes downwards. To ensure the internal raw materials can slide into the outer shell and be conveyed by the rotating screw, a rotating screw can be added to prevent blockage at the feed hopper outlet. This screw can be installed and controlled electrically or manually, depending on requirements. It can rotate during feeding or when blockage occurs, thus preventing material blockage. The forming die is located at the outlet end of the outer shell. It passes the extruded raw material through the forming die to form elongated strips or the desired shape, and finally shears it to achieve granulation. Further, the forming die includes a die plate, which is bolted to one end of the outer shell. The outlet shape of the die plate is the desired shape. After the raw material is extruded, it forms elongated strips. A connecting bracket is also fixed on the die plate. The connecting bracket mainly... The rotating shearing mechanism serves as a support and connection for the motor and the rotating shearing component. The rotating shearing component, driven by a rotating rod, rotates the shearing blades on its surface to shear the extruded raw material, forming granules. One end of the rotating rod near the mold plate is connected to a bearing at the center of the mold plate. The motor is mounted on the outer side of the connecting bracket. The first heat dissipation mechanism mainly consists of an upper guide rail and a lower guide rail. Both upper and lower guide rails are inclined and installed in the central control chamber of the processing bracket, greatly reducing the space occupied by the equipment. The two guide rails are staggered, allowing the sheared product to fall into the upper guide rail and slide down to one end using the inclined direction of the guide rail until it reaches the lower guide rail. Similarly, the product slides down along the inclined direction of the lower guide rail, thus achieving a self-cooling effect. The heat dissipation mechanism is located at the top of the hollow chamber.The process involves adding multiple air-cooled heat sinks to the processing support and the bottom of the upper guide rail. These heat sinks use blades to drive airflow, cooling the material as it passes. Furthermore, the high-temperature material, after being sheared, falls onto the upper guide rail and slides automatically along the inclined rail under gravity, extending the material's exposure path and heat dissipation time in the air. Simultaneously activated, the array of air-cooled heat sinks impacts the sliding material bidirectionally from top to bottom and from the bottom of the guide rail upwards, rapidly accelerating heat dissipation from the material's surface using forced convection heat transfer. This coupling effect of gravity-driven flow and directional air cooling maximizes the heat dissipation range within the limited hollow chamber, achieving continuous cooling without the need for additional power supply. Significantly improving heat dissipation efficiency and reducing energy consumption, the second heat dissipation mechanism is a component located near one end of the processing support. The two are connected to form a whole. The second heat dissipation mechanism includes a collection box and a secondary heat dissipation box. The collection box is located at the lower guide rail outlet and is used to receive the material from the primary heat dissipation. The secondary heat dissipation box effectively cools and lowers the temperature of the produced material again through various methods, preventing the material from failing or decomposing due to continuous heating, or causing the flame retardant particles to clump together and affect subsequent use. It should be noted that the collection box includes a conveyor belt, and the conveyor surface of the conveyor belt includes chain plates. When the material falls into the collection box, it will normally fall directly into two adjacent chain plate supports, and be driven by the conveyor belt. The chain conveyor moves, lifting the material into the secondary cooling box. Excess material accumulates in the collection box. However, as the chain conveyor continuously moves, even if some material accumulates in the collection box, it can be lifted and transferred by the chain conveyor on its return journey. Further explanation: the internal cavity of the secondary cooling box includes a water-cooling cooling chamber and a material-turning chamber, separated by heat-absorbing baffles. The material is fed into the material-turning chamber, where a motor drives a rotating roller to turn the accumulated material. Simultaneously, baffles absorb heat from the material. An additional coolant circulation structure can be added to send coolant into the water-cooling cooling chamber for continuous water cooling of the material. The roller in the material-turning chamber... By continuously rotating and scattering the internally accumulated material, the heat accumulation core inside the material is completely broken, allowing its surface heat to be fully exposed. Simultaneously, the heat-absorbing barrier plate rapidly absorbs the heat transferred from the material-turning chamber through heat conduction, and the heat is continuously carried away by the circulating coolant in the water-cooled chamber. This forms a three-stage heat dissipation path: material exposure, heat conduction, and liquid cooling circulation. This not only solves the cooling blind spots and low efficiency problems of traditional static heat dissipation, but also significantly improves heat dissipation efficiency and material cooling uniformity through active material turning and liquid cooling synergy. It is particularly suitable for the subsequent deep cooling needs of high-heat, easily caking materials. The reinforced support can connect and fix the secondary heat dissipation box, collection box, and processing support to form an integrated device.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cooling device for processing of a flame retardant raw material, characterized by: The rack (1) is provided with a screw extrusion device (2) on the top surface, and the inside of the rack (1) is provided with a first heat dissipation mechanism (4), and the second heat dissipation mechanism (5) is arranged at the position close to one end of the rack (1); The rack (1) comprises a processing support (11), and the inside of the processing support (11) is provided with a hollow bin (12), and the first heat dissipation mechanism (4) is located at the position of the hollow bin (12); The first heat dissipation mechanism (4) comprises an upper guide rail (41) and a lower guide rail (42), the upper guide rail (41) and the lower guide rail (42) are staggered in upper and lower directions, both of which are located in the hollow bin (12), and both of which are inclined from top to bottom. The second heat dissipation mechanism (5) comprises a collecting box (51) and a secondary heat dissipation box (52), the collecting box (51) is located at the outlet of the lower guide rail (42), and the secondary heat dissipation box (52) is internally provided with a water-cooled heat dissipation cavity (53) and a material turning cavity (54).

2. A cooling device for processing of flame retardant raw materials according to claim 1, characterized in that: The bottom surface of the processing support (11) is provided with a supporting base (13), the supporting base (13) is in trapezoidal structure, the bottom surface is wide and the top surface is narrow, the wide bottom surface significantly reduces the ground pressure, the supporting base (13) serves as a supporting member of the processing support (11) to realize the stability of the processing support (11), the hollow bin (12) is rectangular, and the hollow bin (12) penetrates through both sides of the processing support (11).

3. A cooling device for processing of flame retardant raw materials according to claim 1, characterized in that: The screw extrusion device (2) comprises an extrusion motor (21), an outer shell (22), a screw rod (23) and a feeding hopper (24), the extrusion motor (21) is connected with the screw rod (23), the outer shell (22) is wrapped on the surface of the screw rod (23), and the surface of the feeding hopper (24) is inclined from outside to inside, and the outlet of the feeding hopper is communicated with the inlet of the outer shell (22).

4. A cooling device for processing of flame retardant raw materials according to claim 3, characterized in that: The extrusion end of the outer shell (22) is provided with a forming die (3), the forming die (3) comprises a die disc (31), the die disc (31) is fixedly connected with the surface of the outer shell (22), the die disc (31) is fixedly connected with a connecting support (32), and a rotary shearing member (33) is arranged at the outlet of the front surface of the die disc (31).

5. A cooling device for processing of flame retardant raw materials according to claim 4, characterized in that: The rotary shearing member (33) is located at the center of the disc of the die disc (31) and the connecting support (32), both ends of the rotary shearing member (33) are rotationally connected with the die disc (31) and the disc, and the shearing part of the rotary shearing member (33) is a triangular shearing piece arranged in a circular array on the surface of the rotating shaft, which is used for shearing the material extruded by the screw extrusion device (2).

6. A cooling device for processing of flame retardant raw materials according to claim 1, characterized in that: The upper guide rail (41) is located directly below the forming die (3), the edge of the upper guide rail (41) comprises a frame, and the outlet end of the upper guide rail (41) is frameless, so that the material can smoothly fall into the lower guide rail (42) below, and the top surface and the bottom surface of the upper guide rail (41) are respectively provided with air-cooled heat dissipation members (43), which are respectively arranged at the positions of the processing support (11) and the bottom surface of the upper guide rail (41).

7. A cooling device for processing of flame retardant raw materials according to claim 1, characterized in that: The surface of the collecting box (51) is welded with a reinforcing support (57), one end of the reinforcing support (57) is fixed with the secondary heat dissipation box (52), the other end of the reinforcing support (57) is fixed with the bottom surface of the machining support (11), and the supporting surface of the reinforcing support (57) is flush with the bottom surface of the secondary heat dissipation box (52) and the supporting base (13).

8. A cooling device for processing of flame retardant raw materials according to claim 1, characterized in that: The inside of the collecting box (51) is mounted with a conveying belt (58), the surface of the conveying belt (58) is fixed with a chain plate (59) in an array, the chain plate (59) can move along the moving direction of the conveying belt (58), the chain plate (59) is located in the collecting box (51), and the chain plate (59) is located at the outlet position close to the lower guide rail.

9. A cooling device for processing of flame retardant raw materials according to claim 1, characterized in that: The inside of the secondary heat dissipation box (52) is fixed with a blocking plate (55) in a sealed manner, and the water-cooled heat dissipation cavity (53) and the material turning cavity (54) are located on the two sides of the blocking plate (55) respectively.

10. A cooling device for processing of flame retardant raw materials according to claim 9, characterized in that: The inside of the material turning cavity (54) is connected with a material turning roller (56) through a bearing, and the blades on the surface of the material turning roller (56) are arranged in a circumferential array on the surface of the material turning roller (56).

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