Efficient drying device for magnetic powder processing

By introducing a preheating box and a waste heat recovery system for the fan into the magnetic powder drying device, combined with a spiral blade conveyor and an anti-clogging mechanism, the problems of waste heat and uneven heating are solved, and efficient and uniform drying of magnetic powder is achieved.

CN223663656UActive Publication Date: 2025-12-12ANHUI SHENGMEIGE NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202423123229.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-12
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing magnetic powder drying devices suffer from problems such as insufficient waste heat recovery, heat waste, difficulty in drying the back of the magnetic powder during transportation, and low drying efficiency.

Method used

A high-efficiency drying device including a preheating box and a drying box was designed. The waste heat of the drying box is recovered by a fan for preheating. The magnetic powder is transported by a spiral blade driven by a motor. An anti-clogging mechanism and heat transfer oil are set in the preheating box for uniform heating. A filter assembly is used to filter hot air, a baffle protects the nozzle, and a support plate and reinforcing rod enhance the structural stability.

Benefits of technology

It improves heat utilization, achieves uniform heating and efficient drying of magnetic powder, avoids clogging, and enhances drying efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of magnetic powder, and discloses an efficient drying device for magnetic powder processing, which comprises a drying box, the side surface of the drying box fixedly communicates with a preheating box, the top surface of the preheating box fixedly communicates with a feeding hopper, the inner bottom surface of the preheating box is fixedly connected with a material flowing block, and the inner wall of the drying box is provided with a shell. The shell is provided with a heating assembly, a second motor is fixedly installed on the side face of the drying box, the output end of the second motor penetrates through the drying box to extend into the drying box and is fixedly connected with a rotating shaft, the periphery of the rotating shaft is fixedly connected with spiral blades, waste heat of the drying box can be recycled through a fan, preheating is conducted on the interior of the preheating box, and the heat utilization rate is high; the magnetic powder enters the drying box, the second motor drives the rotating shaft and the spiral blades to rotate, the magnetic powder can be turned over and gradually conveyed to the discharging pipe on the side face of the drying box, the magnetic powder is heated evenly, and the drying effect is good.
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Description

Technical Field

[0001] This application relates to the field of magnetic powder technology, and more specifically, to a high-efficiency drying apparatus for magnetic powder processing. Background Technology

[0002] Magnetic powder is the core component of magnetic coatings and a major factor determining the magnetic properties of magnetic recording media. It should have sufficient coercivity to effectively enhance demagnetization, but not so high that it is difficult to demagnetize. Its magnetization should be on the same order of magnitude as ferromagnetic metals to provide sufficient magnetic flux to the magnetic head; the particles should be uniform, without sintered lumps, and with complete crystallization.

[0003] A search revealed a magnetic powder drying device disclosed in publication number CN215893127U, which includes a drying chamber, two openings symmetrically located on the left and right side walls of the drying chamber, a heating tube disposed inside the drying chamber, a conveying assembly passing through the two openings for conveying magnetic powder, and a lifting assembly disposed on the outer side wall of the drying chamber for adjusting the distance between the conveying assembly and the heating tube. The lifting assembly includes a lifting plate fixedly connected to the left and right ends of the conveying assembly, a synchronous belt fixedly connected to the upper and lower ends of the inner side of the lifting plate, a concave plate disposed on the left and right side walls of the drying chamber, a driven shaft rotatably connected to the inner side of the concave plate, and a stepping belt pulley fixedly sleeved on the driven shaft and meshing with the synchronous belt. This application facilitates the conveying of magnetic powder into the drying chamber by setting the conveying assembly, and facilitates the adjustment of the distance between the conveying assembly and the heating tube by setting the adjusting assembly.

[0004] However, this application has certain shortcomings. It does not have the function of recovering waste heat, nor can it preheat the magnetic powder during the conveying process. This not only wastes heat energy, but also makes it difficult to dry the back side of the magnetic powder when it is conveyed by the conveyor belt, resulting in low drying efficiency.

[0005] To address the aforementioned problems, this application provides a high-efficiency drying apparatus for magnetic powder processing. Utility Model Content

[0006] The high-efficiency drying device for magnetic particle processing provided in this application adopts the following technical solution:

[0007] A high-efficiency drying device for magnetic powder processing includes a drying chamber, a preheating chamber fixedly connected to the side of the drying chamber, a feed hopper fixedly connected to the top surface of the preheating chamber, a material flow block fixedly connected to the inner bottom surface of the preheating chamber, a shell provided on the inner wall of the drying chamber, and a heating component provided on the shell, a second motor fixedly installed on the side of the drying chamber, the output end of the second motor penetrating the drying chamber and extending into the interior and fixedly connected to a rotating shaft, a spiral blade fixedly connected to the outer periphery of the rotating shaft, a fan fixedly installed on the top surface of the drying chamber, and a filter box fixedly connected to the input end of the fan, an air suction pipe penetrating the drying chamber and extending into the interior of the filter box fixedly connected to the bottom end of the filter box, and a filter component provided inside the filter box, the output end of the fan fixedly connected to an integrated pipe through an air pipe, the integrated pipe being located on the top surface of the preheating chamber, and several nozzles fixedly connected to the bottom surface of the integrated pipe, an anti-clogging mechanism provided inside the preheating chamber, and a control panel fixedly installed on the side of the drying chamber.

[0008] Through the above technical solution, the waste heat of the drying box can be recovered by the fan and preheated with the inside of the preheating box, resulting in high heat utilization. The magnetic powder enters the drying box and is rotated by the motor, which drives the rotating shaft and spiral blades to turn the magnetic powder and gradually transport it to the discharge pipe on the side of the drying box. The magnetic powder is heated evenly and the drying effect is good.

[0009] Furthermore, the anti-clogging mechanism includes a motor and a stirring rod. The motor is fixedly installed on the top surface of the preheating box, and a rotating rod is fixedly connected to the output end of the motor. Several stirring rods are fixedly connected to the outer periphery of the rotating rod.

[0010] Through the above technical solution, the motor drives the stirring rod to stir the magnetic powder, preventing it from clogging the connection between the drying box and the preheating box.

[0011] Furthermore, the shell is hollow inside, and several electric heating rods are installed inside the shell, which is filled with heat-conducting oil.

[0012] Through the above technical solution, the heat transfer oil has excellent heat conduction effect, which can make the shell uniformly heated and facilitate the uniform heating of the magnetic powder.

[0013] Furthermore, the filter assembly is a filter screen, and the inner wall of the filter box is fixedly connected with mounting blocks, and several mounting blocks are slidably engaged with the filter screen.

[0014] Through the above technical solution, the filter screen can filter the inhaled hot air, and the mounting block can limit and fix the filter screen.

[0015] Furthermore, the top of the filter screen extends through the filter box to the outside, a limit block is fixedly connected to the inner top surface of the filter box, and a flip door is rotatably connected to the side of the filter box via a hinge.

[0016] Through the above technical solution, the limiting block can block the filtered magnetic powder and guide it to resist the flip door, making it easy to remove.

[0017] Furthermore, a baffle is fixedly connected to the top surface of the preheating box. The baffle is located at the bottom of the nozzle and has several through holes.

[0018] Through the above technical solution, the baffle can protect the nozzle and prevent a large amount of magnetic powder from coming into contact with the nozzle.

[0019] Furthermore, a support plate is fixedly connected to the bottom surface of the preheating box, the support plate is fixedly connected to the side of the drying box, and a reinforcing rod is fixedly connected between the support plate and the drying box.

[0020] The above technical solution allows the preheating box to be supported by a support plate, and the reinforcing rod can enhance the connection strength of the support plate.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] The fan can recover the waste heat of the drying box and preheat it with the inside of the preheating box, resulting in high heat utilization. The magnetic powder enters the drying box and is rotated by the motor, which drives the rotating shaft and spiral blades to turn the magnetic powder and gradually transport it to the discharge pipe on the side of the drying box. The magnetic powder is heated evenly and the drying effect is good. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this application;

[0024] Figure 2 This is a cross-sectional view of the shell of this application;

[0025] Figure 3 This is a schematic diagram of the baffle structure of this application;

[0026] Figure 4 This is a partial explosion diagram of the filter box in this application.

[0027] Explanation of the labels in the diagram:

[0028] 1. Drying oven; 2. Preheating oven; 3. Feed hopper; 4. Material flow block; 5. Motor 1; 6. Stirring rod; 7. Shell; 8. Electric heating rod; 9. Fan; 10. Control panel; 11. Motor 2; 12. Spiral blade; 13. Rotating shaft; 14. Filter box; 15. Suction pipe; 16. Integrated pipe; 17. Nozzle; 18. Baffle; 19. Support plate; 20. Limiting block; 21. Mounting block; 22. Filter screen; 23. Tilting door. Detailed Implementation

[0029] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0030] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0032] Example:

[0033] This application discloses a high-efficiency drying device for magnetic powder processing. Please refer to [link to relevant documentation]. Figure 1 and Figure 2 The system includes a drying chamber 1, a preheating chamber 2 fixedly connected to the side of the drying chamber 1, a feeding hopper 3 fixedly connected to the top surface of the preheating chamber 2, a material flow block 4 fixedly connected to the inner bottom surface of the preheating chamber 2, a shell 7 provided on the inner wall of the drying chamber 1, and a heating component provided on the shell 7, a motor 11 fixedly installed on the side of the drying chamber 1, and a rotating shaft 13 fixedly connected to the output end of the motor 11 through the drying chamber 1 and extending into the interior, and a spiral blade 12 fixedly connected to the outer periphery of the rotating shaft 13, a fan 9 fixedly installed on the top surface of the drying chamber 1, and a filter box 14 fixedly connected to the input end of the fan 9, an air suction pipe 15 fixedly connected to the bottom end of the filter box 14 through the drying chamber 1 and extending into the interior, and a filter component provided inside the filter box 14, and an integrated pipe 16 fixedly connected to the output end of the fan 9 through an air pipe, and the integrated pipe 16 is located on the top surface inside the preheating chamber 2, and several nozzles 17 fixedly connected to the bottom surface of the integrated pipe 16.

[0034] The preheating chamber 2 is equipped with an anti-clogging mechanism, which includes a motor 5 and stirring rods 6. The motor 5 is fixedly installed on the top surface of the preheating chamber 2, and a rotating rod is fixedly connected to the output end of the motor 5. Several stirring rods 6 are fixedly connected to the outer periphery of the rotating rod. The motor 5 drives the stirring rods 6 to stir the magnetic powder and prevent it from clogging the connection between the drying chamber 1 and the preheating chamber 2. A control panel 10 is fixedly installed on the side of the drying chamber 1. The control panel 10 can control the fan 9, motor 5 and motor 11. The shell 7 is hollow inside, and several electric heating rods 8 are installed inside the shell 7. The shell 7 is filled with heat-conducting oil. The heat-conducting oil has excellent heat conduction effect, which can make the shell 7 heat evenly, which is conducive to the uniform heating of the magnetic powder.

[0035] Please see Figure 1 and Figure 3 A baffle 18 is fixedly connected to the top surface of the preheating box 2. The baffle 18 is located at the bottom of the nozzle 17 and has several through holes. The baffle 18 can protect the nozzle 17 and prevent a large amount of magnetic powder from contacting the nozzle 17. A support plate 19 is fixedly connected to the bottom surface of the preheating box 2. The support plate 19 is fixedly connected to the side of the drying box 1, and a reinforcing rod is fixedly connected between the support plate 19 and the drying box 1. The support plate 19 can support the preheating box 2, and the reinforcing rod can enhance the connection strength of the support plate 19.

[0036] Please see Figure 1 and Figure 4 The filter assembly is a filter screen 22. An installation block 21 is fixedly connected to the inner wall of the filter box 14, and several installation blocks 21 slide with the filter screen 22. The filter screen 22 can filter the inhaled hot air. The installation block 21 can limit and fix the filter screen 22. The top of the filter screen 22 extends through the filter box 14 to the outside. A limiting block 20 is fixedly connected to the inner top surface of the filter box 14. A flip door 23 is rotatably connected to the side of the filter box 14 via a hinge. The limiting block 20 can block the filtered magnetic powder and guide it to resist the flip door 23 for easy removal.

[0037] The implementation principle of this embodiment is as follows: the fan 9 can recover the waste heat of the drying box 1 and preheat it with the inside of the preheating box 2, resulting in high heat utilization. The magnetic powder enters the drying box 1 and is rotated by the motor 11, which drives the rotating shaft 13 and the spiral blade 12 to rotate, which can turn the magnetic powder and gradually transport it to the discharge pipe on the side of the drying box 1. The magnetic powder is heated evenly and the drying effect is good.

[0038] 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 drying device for magnetic powder processing, comprising a drying chamber (1), characterized in that: The drying box (1) is fixedly connected to a preheating box (2) on its side, and the top surface of the preheating box (2) is fixedly connected to a feed hopper (3). The bottom surface of the preheating box (2) is fixedly connected to a material flow block (4). The inner wall of the drying box (1) is provided with a shell (7), and the shell (7) is provided with a heating component. The side of the drying box (1) is fixedly installed with a second motor (11), and the output end of the second motor (11) extends through the drying box (1) into the interior and is fixedly connected to a rotating shaft (13). The outer periphery of the rotating shaft (13) is fixedly connected with a spiral blade (12). The top surface of the drying box (1) is fixedly installed with a spiral blade (12). There is a fan (9), and the input end of the fan (9) is fixedly connected to a filter box (14). The bottom end of the filter box (14) is fixedly connected to an air suction pipe (15) that passes through the drying box (1) and extends into the interior. The filter box (14) is equipped with a filter assembly. The output end of the fan (9) is fixedly connected to an integrated pipe (16) through an air pipe. The integrated pipe (16) is located on the top surface of the preheating box (2). The bottom surface of the integrated pipe (16) is fixedly connected to several nozzles (17). The preheating box (2) is equipped with an anti-clogging mechanism. The drying box (1) is fixedly installed on the side of the drying box (1).

2. The high-efficiency drying device for magnetic powder processing according to claim 1, characterized in that: The anti-clogging mechanism includes a motor (5) and a stirring rod (6). The motor (5) is fixedly installed on the top surface of the preheating box (2), and a rotating rod is fixedly connected to the output end of the motor (5). Several stirring rods (6) are fixedly connected to the outer periphery of the rotating rod.

3. The high-efficiency drying device for magnetic powder processing according to claim 1, characterized in that: The shell (7) is hollow inside, and several electric heating rods (8) are installed inside the shell (7). The shell (7) is filled with heat-conducting oil.

4. The high-efficiency drying device for magnetic powder processing according to claim 1, characterized in that: The filter assembly is a filter screen (22), and the inner wall of the filter box (14) is fixedly connected with mounting blocks (21), and several mounting blocks (21) slide in cooperation with the filter screen (22).

5. The high-efficiency drying device for magnetic powder processing according to claim 4, characterized in that: The top of the filter screen (22) extends through the filter box (14) to the outside. A limit block (20) is fixedly connected to the inner top surface of the filter box (14). A flip door (23) is rotatably connected to the side of the filter box (14) via a hinge.

6. The high-efficiency drying device for magnetic powder processing according to claim 1, characterized in that: The preheating box (2) is fixedly connected to a baffle (18) on its inner top surface. The baffle (18) is located at the bottom of the nozzle (17) and has several through holes.

7. The high-efficiency drying device for magnetic powder processing according to claim 1, characterized in that: The bottom surface of the preheating box (2) is fixedly connected to a support plate (19), the support plate (19) is fixedly connected to the side of the drying box (1), and a reinforcing rod is fixedly connected between the support plate (19) and the drying box (1).

Citation Information

Patent Citations

  • Drying device for magnetic powder

    CN215893127U