Rotary drying device for fused magnesia raw materials

By designing a rotary drying device for fused magnesia raw materials, and utilizing a heating box and gear transmission system, the problem of poor drying effect of traditional drying devices was solved, and efficient drying of fused magnesia raw materials was achieved.

CN224246615UActive Publication Date: 2026-05-15ANSHAN AOHAI REFRACTORY MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANSHAN AOHAI REFRACTORY MATERIAL CO LTD
Filing Date
2025-06-17
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Traditional drying equipment for fused magnesia is ineffective and its performance is unsatisfactory.

Method used

A rotary drying device for fused magnesia raw materials was designed, including a heating box, a hollow shaft, a rotating drum, a fan, and a gear transmission system. The air is heated by a heating element, and the fan blows the hot air into the rotating drum. The rotation of the rotating drum and the shovel plate improves the drying effect.

Benefits of technology

This technology enables efficient drying of fused magnesia raw materials, improving the drying effect of the materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fused magnesite raw material rotary drying device, which relates to the technical field of fused magnesite raw material rotary drying, and comprises a base, the upper surface of the base is fixedly connected with a first support plate and a second support plate, and the first support plate is internally and rotatably connected with a first hollow shaft; a first hollow shaft is rotatably connected in the first supporting plate, a second hollow shaft is rotatably connected in the second supporting plate, a rotary drum is fixedly connected between the first hollow shaft and the second hollow shaft, and a heating box is fixedly connected to the left surface of the first supporting plate. Hot air can be blown into the first hollow shaft through rotation of the fan, the hot air passes through the first hollow shaft, penetrates through the air inlet net and can enter the rotary drum, so that materials in the rotary drum are dried, and the material drying effect can be improved through rotation of the rotary drum and the shovel plate.
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Description

Technical Field

[0001] This utility model relates to the field of rotary drying technology for fused magnesia raw materials, specifically a rotary drying device for fused magnesia raw materials. Background Technology

[0002] Fused magnesia is a high-quality magnesia made from high-quality natural magnesite through high-temperature electric melting furnace. Its grain development and particle volume density are superior to those of sintered magnesia, making it the best raw material for recombined products and magnesia-carbon products. During the preparation of fused magnesia, the raw materials need to be dried using a drying device.

[0003] However, traditional drying equipment for fused magnesia does not achieve good drying results for the raw materials and is therefore ineffective. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a rotary drying device for fused magnesia raw materials, thereby solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a rotary drying device for fused magnesia raw materials, comprising a base, a first support plate and a second support plate fixedly connected to the upper surface of the base, a first hollow shaft rotatably connected inside the first support plate, a second hollow shaft rotatably connected inside the second support plate, a rotating drum fixedly connected between the first hollow shaft and the second hollow shaft, an air inlet screen fixedly installed at the left end of the rotating drum and inside the first hollow shaft, an air outlet screen fixedly installed at the right end of the rotating drum and inside the second hollow shaft, and a heating box fixedly connected to the left surface of the first support plate. The left end of the hollow shaft is located inside the heating box, which contains a heating element. Multiple air inlets are provided on the left wall of the heating box. A second rotating shaft is rotatably connected to the left wall of the heating box. A fan is fixedly connected to the right end of the second rotating shaft, and a second small gear is fixedly connected to the left end of the second rotating shaft. A first rotating shaft is rotatably connected inside the first support plate. A second large gear is fixedly connected to the left end of the first rotating shaft, and the second large gear meshes with the second small gear. A first small gear is fixedly connected to the right end of the first rotating shaft. A first large gear is fixedly connected to the side surface of the first hollow shaft, and the first large gear meshes with the first small gear.

[0006] Preferably, a material pipe is connected to the surface of the rotating drum, a valve is installed on the material pipe, and a shovel plate is fixedly provided on the inner surface of the rotating drum, with the shovel plate being arranged opposite to the material pipe.

[0007] Preferably, a brake reduction motor is fixedly installed at the left end of the first support plate, and a drive gear is fixedly connected to the drive shaft of the brake reduction motor through the first support plate. The drive gear meshes with the first pinion.

[0008] Preferably, the diameter of the first large gear is larger than the diameter of the first small gear.

[0009] Preferably, the diameter of the second large gear is larger than the diameter of the first small gear.

[0010] Preferably, the diameter of the second large gear is larger than the diameter of the second small gear.

[0011] Beneficial effects:

[0012] This utility model provides a rotary drying device for fused magnesia raw materials, which has the following beneficial effects:

[0013] The heating element can heat the air inside the heating chamber. The hot air can be blown into the first hollow shaft by the rotation of the fan. The hot air can enter the rotating drum after passing through the first hollow shaft and the air inlet mesh, thereby drying the material inside the rotating drum. The drying effect of the material can be improved by the rotation of the rotating drum and the shovel plate. Attached Figure Description

[0014] Figure 1 This is the front view of the present invention.

[0015] In the diagram: 1. Base; 2. Second support plate; 3. Second hollow shaft; 4. Air outlet; 5. Rotary drum; 6. Valve; 7. Material pipe; 8. First support plate; 9. First hollow shaft; 10. Heating element; 11. Heating box; 12. Fan; 13. Air inlet; 14. Second rotating shaft; 15. Second pinion; 16. First rotating shaft; 17. Second large gear; 18. Brake reduction motor; 19. Drive gear; 20. First pinion; 21. First large gear; 22. Air inlet; 23. Shovel plate. Detailed Implementation

[0016] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.

[0017] The directional terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", and "outer", are only for reference to the directions shown in the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this utility model, and are not intended to indicate or imply that the device or component 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.

[0018] Please see Figure 1This utility model provides a technical solution: a rotary drying device for fused magnesia raw materials, including a base 1, a first support plate 8 and a second support plate 2 fixedly connected to the upper surface of the base 1, a first hollow shaft 9 rotatably connected inside the first support plate 8, a second hollow shaft 3 rotatably connected inside the second support plate 2, a rotating drum 5 fixedly connected between the first hollow shaft 9 and the second hollow shaft 3, an air inlet mesh 22 fixedly installed at the left end of the rotating drum 5 and inside the first hollow shaft 9, and an air outlet mesh 4 fixedly installed at the right end of the rotating drum 5 and inside the second hollow shaft 3, a heating box 11 fixedly connected to the left surface of the first support plate 8, the left end of the first hollow shaft 9 located inside the heating box 11, a heating element 10 provided inside the heating box 11, multiple air inlets 13 opened on the left wall of the heating box 11, a second rotating shaft 14 rotatably connected inside the left wall of the heating box 11, a fan 12 fixedly connected to the right end of the second rotating shaft 14, and a second pinion 15 fixedly connected to the left end of the second rotating shaft 14. A first rotating shaft 16 is rotatably connected inside the first support plate 8. A second large gear 17 is fixedly connected to the left end of the first rotating shaft 16, and the second large gear 17 meshes with the second small gear 15. A first small gear 20 is fixedly connected to the right end of the first rotating shaft 16. A first large gear 21 is fixedly connected to the side surface of the first hollow shaft 9, and the first large gear 21 meshes with the first small gear 20. A material pipe 7 is connected to the surface of the rotating drum 5, and a valve 6 is installed on the material pipe 7. A shovel plate 23 is fixedly installed on the inner surface of the rotating drum 5, and the shovel plate 23 is arranged opposite to the material pipe 7. A brake reduction motor 18 is fixedly installed at the left end of the first support plate 8. The drive shaft of the brake reduction motor 18 passes through the first support plate 8 and is fixedly connected to a drive gear 19, which meshes with the first small gear 20. The diameter of the first large gear 21 is larger than the diameter of the first small gear 20. The diameter of the second large gear 17 is larger than the diameter of the first small gear 20. The diameter of the second large gear 17 is larger than the diameter of the second small gear 15.

[0019] Those skilled in the art should electrically connect all electrical components in this case to their compatible power supplies, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working sequence of each electrical component in the following working principle to complete the electrical connection. The detailed connection methods are well-known technologies in the art. The following mainly introduces the working principle and process, and will not explain the electrical control.

[0020] Example: According to the appendix of the instruction manual Figure 1It can be seen that during use, opening valve 6 allows material to be added into the rotating drum 5 through material pipe 7. Starting the brake reduction motor 18 drives the drive gear 19 to rotate. The rotation of the drive gear 19 drives the first small gear 20 to rotate, which in turn drives the first rotating shaft 16 and the first large gear 21 to rotate. The rotation of the first rotating shaft 16 drives the second large gear 17 to rotate, which in turn drives the second small gear 15 to rotate. The rotation of the second small gear 15 drives the second rotating shaft 14 to rotate. The fan 12 can be driven to rotate, and the heating element 10 can heat the air in the heating box 11. The rotation of the fan 12 can blow hot air into the first hollow shaft 9. The hot air passes through the first hollow shaft 9 and the air inlet mesh 22 and enters the rotating drum 5, thereby drying the material in the rotating drum 5. The rotation of the first large gear 21 can drive the first hollow shaft 9 to rotate. The rotation of the first hollow shaft 9 can drive the rotating drum 5 and the shovel plate 23 to rotate. The rotation of the rotating drum 5 and the shovel plate 23 can improve the drying effect of the material. After drying, the valve 6 is opened and the material is discharged through the material pipe 7.

[0021] Although embodiments of the present 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotary drying device for fused magnesia raw materials, characterized in that, Includes a base (1), on the upper surface of which a first support plate (8) and a second support plate (2) are fixedly connected. A first hollow shaft (9) is rotatably connected inside the first support plate (8), and a second hollow shaft (3) is rotatably connected inside the second support plate (2). A rotating cylinder (5) is fixedly connected between the first hollow shaft (9) and the second hollow shaft (3). An air inlet mesh (22) is fixedly installed at the left end of the rotating cylinder (5) inside the first hollow shaft (9), and an air outlet mesh (4) is fixedly installed at the right end of the rotating cylinder (5) inside the second hollow shaft (3). A heating box (11) is fixedly connected to the left surface of the first support plate (8), and the left end of the first hollow shaft (9) is located inside the heating box (11). A heating element is provided inside the heating box (11). 10) The left wall of the heating box (11) is provided with multiple air inlets (13). The left wall of the heating box (11) is rotatably connected to a second rotating shaft (14). The right end of the second rotating shaft (14) is fixedly connected to a fan (12). The left end of the second rotating shaft (14) is fixedly connected to a second small gear (15). The first support plate (8) is rotatably connected to a first rotating shaft (16). The left end of the first rotating shaft (16) is fixedly connected to a second large gear (17). The second large gear (17) meshes with the second small gear (15). The right end of the first rotating shaft (16) is fixedly connected to a first small gear (20). The side surface of the first hollow shaft (9) is fixedly connected to a first large gear (21). The first large gear (21) meshes with the first small gear (20).

2. The rotary drying device for fused magnesia raw materials according to claim 1, characterized in that, The rotating drum (5) is connected to a material pipe (7), a valve (6) is installed on the material pipe (7), and a shovel plate (23) is fixedly installed on the inner surface of the rotating drum (5). The shovel plate (23) is arranged opposite to the material pipe (7).

3. The rotary drying device for fused magnesia raw materials according to claim 1, characterized in that, A brake reduction motor (18) is fixedly installed on the left end of the first support plate (8). The drive shaft of the brake reduction motor (18) passes through the first support plate (8) and is fixedly connected to a drive gear (19). The drive gear (19) meshes with the first pinion (20).

4. The rotary drying device for fused magnesia raw materials according to claim 1, characterized in that, The diameter of the first large gear (21) is larger than the diameter of the first small gear (20).

5. The rotary drying device for fused magnesia raw materials according to claim 1, characterized in that, The diameter of the second large gear (17) is larger than the diameter of the first small gear (20).

6. The rotary drying apparatus for fused magnesia raw materials according to claim 1, characterized in that, The diameter of the second large gear (17) is larger than the diameter of the second small gear (15).