Electrical dehumidifying desiccant grinding device
By designing the grinding teeth of the upper and lower grinding chambers to rotate in opposite directions, and combining the grinding balls and the drive mechanism, the problems of uneven particle size distribution and low efficiency in the electric dehumidifying desiccant grinding device are solved, achieving a high-efficiency and high-quality grinding effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI DUNDA TECH CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-06-09
AI Technical Summary
Existing electric dehumidifier grinding devices are prone to producing irregular fragments during the grinding process, resulting in uneven particle size distribution, affecting grinding quality, and having low processing efficiency.
The design employs an upper and lower grinding chamber with grinding teeth rotating in opposite directions. Combined with crushing balls and a drive mechanism, it achieves efficient crushing and secondary crushing of desiccant raw materials, improving grinding quality and efficiency.
The design of the grinding chamber and grinding teeth increases the crushing force on the desiccant raw materials, improves the crushing efficiency, and achieves secondary crushing through the crushing balls, thereby improving the grinding quality and reducing subsequent operation time.
Smart Images

Figure CN224332319U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of desiccant processing, and in particular to an electrical dehumidifying desiccant grinding device. Background Technology
[0002] The grinding and processing of electro-dehumidifying desiccants (such as silica gel, molecular sieves, and complex chlorides) is a key step in achieving their high specific surface area and moisture absorption performance. The process must balance particle size control, prevention of moisture absorption and reabsorption, and maintenance of physicochemical stability. Conventional pulverization processes mostly employ mechanical pulverization, which must be carried out in a low-humidity environment to prevent the desiccant from absorbing moisture and clumping. Pharmaceutical-grade production lines are often equipped with rotary dehumidifiers to maintain a dry environment. During the pulverization process, micronized materials are prone to static electricity, requiring the addition of antistatic agents (such as nano-silica) or grounding of the equipment to eliminate adsorption problems.
[0003] Existing grinding devices for electrostatic dehumidifiers mostly use rotating mechanical parts to pulverize the solid desiccant raw material. During the pulverization process, irregular fragments are easily generated, leading to an uneven particle size distribution and affecting the quality of the ground desiccant raw material. Furthermore, to ensure grinding quality, multiple grinding operations are often required, resulting in low processing efficiency. Utility Model Content
[0004] To address the aforementioned issues, this application provides an electrical dehumidifying desiccant grinding device.
[0005] To achieve the above objectives, this application provides the following technical solution: an electrical dehumidifying desiccant grinding device, comprising a lower grinding chamber and an upper grinding chamber rotatably mounted to the lower grinding chamber. Both the upper and lower grinding chambers are bowl-shaped structures, with the smaller diameter ends of the upper and lower grinding chambers being the loading and unloading positions for the desiccant raw materials, respectively. The inner wall of the upper grinding chamber is provided with a plurality of first grinding teeth equidistantly arranged along a circular trajectory, and a grinding seat is provided inside the upper grinding chamber. The outer periphery of the grinding seat is provided with a plurality of second grinding teeth equidistantly arranged along a circular trajectory. When the upper grinding chamber rotates, the grinding seat rotates in the opposite direction, and the first grinding teeth and the second grinding teeth rotate in opposite directions.
[0006] The lower grinding chamber is fixed with a feeding screen by a connecting frame. The grinding seat is provided with an extension support that can rotate synchronously with it. The extension support is provided with multiple sets of crushing balls arranged at equal intervals along a circumferential trajectory. After the desiccant material falling through the gap between the upper grinding chamber and the grinding seat falls onto the surface of the feeding screen, the crushing balls come into rotational contact with the ground desiccant material.
[0007] Furthermore, a drive gear ring is fixed outside the upper grinding chamber, and a drive gear meshing with the drive gear ring is provided on one side of the drive gear ring. A synchronous shaft is installed on the drive gear, and a drive motor that can drive the synchronous shaft to rotate is provided at the bottom end of the synchronous shaft. As the drive gear rotates, the drive gear ring, the upper grinding chamber and the first grinding tooth rotate synchronously in opposite directions.
[0008] Furthermore, a drive wheel is mounted on the synchronous shaft. The drive wheel is located above the drive gear, and the drive wheel is connected to a driven wheel at the same horizontal plane via a synchronous belt. A power shaft that can rotate synchronously with the driven wheel is located at the central axis of the driven wheel. The top of the grinding seat is fixedly mounted to the power shaft via a feeding boss.
[0009] Furthermore, a frame is fixedly installed outside the lower grinding chamber, and the synchronous shaft, driving wheel, driven wheel and drive motor are all installed on the frame.
[0010] Furthermore, a linkage shaft is fixed to the bottom surface of the grinding seat facing the feeding screen, and the extension support is fixed to the bottom end of the linkage shaft. As the grinding seat and the linkage shaft rotate, multiple sets of grinding balls rotate synchronously.
[0011] Furthermore, the feeding boss has a frustum structure, and the end of the feeding boss with a smaller diameter is directly opposite the inner side of the feeding port of the grinding chamber.
[0012] In summary, the technical effects and advantages of this utility model are as follows:
[0013] This invention features a grinding chamber and a grinding seat that can rotate in opposite directions. The friction between the first and second grinding teeth on their inner sides allows the desiccant material to be smoothly pulverized. During the pulverization process, the crushing force applied to the desiccant material is increased, promoting rapid pulverization and improving grinding efficiency. Multiple sets of crushing balls, rotating synchronously with the grinding seat, rotate and contact the pulverized desiccant material, performing a secondary crushing operation on any non-compliant material, thus improving grinding quality. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Figure 2This is a schematic diagram of the second-view structure of the present invention.
[0017] Figure 3 This is a schematic diagram of the structure of the upper and lower grinding chambers of this utility model after being cut open.
[0018] Figure 4 This is a schematic diagram of the internal structure of the upper and lower grinding chambers of this utility model.
[0019] In the diagram: 1. Upper grinding chamber; 11. First grinding tooth; 12. Drive gear ring; 2. Lower grinding chamber; 21. Connecting frame; 22. Feeding screen; 23. Frame; 3. Grinding seat; 31. Second grinding tooth; 32. Feeding boss; 33. Power shaft; 34. Linkage shaft; 35. Extension support; 36. Crushing ball; 4. Drive gear; 5. Synchronous shaft; 6. Driving wheel; 7. Synchronous belt; 8. Driven wheel; 9. Drive motor. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Example 1: Reference Figures 1-3 The illustrated electro-dehumidifying desiccant grinding device includes a lower grinding chamber 2 and an upper grinding chamber 1 rotatably mounted to the lower grinding chamber 2. Both the upper grinding chamber 1 and the lower grinding chamber 2 have a bowl-shaped structure, with the smaller diameter ends of the upper grinding chamber 1 and the lower grinding chamber 2 serving as the loading and unloading positions for the desiccant raw material, respectively. During the grinding process, the electro-dehumidifying desiccant raw material can fall into the upper grinding chamber 1 through the loading port at the top of the upper grinding chamber 1 to undergo the grinding operation.
[0022] Specifically, the inner wall of the upper grinding chamber 1 is provided with multiple first grinding teeth 11 arranged at equal intervals along a circular trajectory, and a grinding seat 3 is provided inside the upper grinding chamber 1. The outer periphery of the grinding seat 3 is provided with multiple second grinding teeth 31 arranged at equal intervals along a circular trajectory. When the upper grinding chamber 1 rotates, the grinding seat 3 rotates in the opposite direction, and the first grinding teeth 11 and second grinding teeth 31 rotate in opposite directions. Therefore, under the frictional force of the first grinding teeth 11 and second grinding teeth 31, the desiccant raw material can be smoothly pulverized. Since the rotation directions of the first grinding teeth 11 and second grinding teeth 31 are opposite, the crushing force applied to the desiccant raw material can be increased during the pulverization process, promoting rapid pulverization of the desiccant raw material and improving the efficiency of the grinding work.
[0023] like Figure 3 As shown, a feeding screen 22 is fixed inside the lower grinding chamber 2 via a connecting frame 21. An extension support 35, which rotates synchronously with the grinding base 3, is located below it. Multiple sets of crushing balls 36 are equidistantly arranged along a circumferential trajectory on the extension support 35. After the desiccant material falls through the gap between the upper grinding chamber 1 and the grinding base 3 onto the surface of the feeding screen 22, materials conforming to the specifications of the feeding screen 22 pass smoothly through it and fall outside the lower grinding chamber 2, where they are collected and transferred. A small amount of incompletely ground desiccant material remains on the surface of the feeding screen 22. At this time, under the connecting action of the extension support 35, the multiple sets of crushing balls 36, rotating synchronously with the grinding base 3, come into contact with the ground desiccant material, performing a secondary crushing operation on the non-conforming desiccant material. This causes the desiccant material to be pulverized and fall quickly, improving the grinding quality and reducing the time required for subsequent secondary grinding operations.
[0024] like Figure 3 As shown, a drive gear ring 12 is fixed outside the upper grinding chamber 1. A drive gear 4 meshes with the drive gear ring 12 on one side. A synchronous shaft 5 is mounted on the drive gear 4. A drive motor 9 that can drive the synchronous shaft 5 to rotate is provided at the bottom end of the synchronous shaft 5. As the drive gear 4 rotates, the drive gear ring 12, the upper grinding chamber 1 and the first grinding tooth 11 can rotate synchronously in opposite directions.
[0025] Furthermore, such as Figure 3 As shown, a drive wheel 6 is mounted on the synchronous shaft 5, located above the drive gear 4. The drive wheel 6 is connected to a driven wheel 8 on the same horizontal plane via a synchronous belt 7. A power shaft 33, which rotates synchronously with the driven wheel 8, is located at its central axis. The top of the grinding seat 3 is fixedly mounted to the power shaft 33 via a feeding boss 32. Therefore, during the rotation of the drive gear 4, which drives the drive gear ring 12, the upper grinding chamber 1, and the first grinding tooth 11, the drive wheel 6 rotates synchronously due to the connection of the synchronous shaft 5. Furthermore, the grinding seat 3 and the second grinding tooth 31 rotate in the opposite direction to the upper grinding chamber 1 and the first grinding tooth 11 due to the connection of the synchronous belt 7. This amplifies the crushing force applied to the desiccant raw material.
[0026] like Figure 3 As shown, in this invention, to improve the stability of the lower grinding chamber 2, a frame 23 is fixedly installed outside the lower grinding chamber 2. The synchronous shaft 5, the driving wheel 6, the driven wheel 8, and the drive motor 9 are all installed with the frame 23, thereby ensuring the stability of the synchronous shaft 5, the driving wheel 6, the driven wheel 8, and the drive motor 9 during operation.
[0027] like Figure 3As shown, in order to enable the extension support 35 to rotate synchronously with the grinding seat 3, in this invention, a linkage shaft 34 coaxially distributed with the grinding seat 3 is fixed on the bottom surface of the grinding seat 3 facing the feeding screen 22, and the extension support 35 is fixed to the bottom end of the linkage shaft 34. As the grinding seat 3 and the linkage shaft 34 rotate, multiple sets of crushing balls 36 rotate synchronously to achieve the purpose of crushing desiccant raw materials that do not conform to the specifications of the feeding screen 22.
[0028] Example 2: Based on Example 1, the feeding boss 32 in this utility model has a frustum structure, and the end of the feeding boss 32 with a smaller diameter is directly opposite the inner side of the feeding port of the grinding chamber 1.
[0029] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An electrical dehumidifying desiccant grinding device, comprising a lower grinding chamber (2) and an upper grinding chamber (1) rotatably mounted to the lower grinding chamber (2), wherein both the upper grinding chamber (1) and the lower grinding chamber (2) are bowl-shaped structures, and the smaller diameter ends of the upper grinding chamber (1) and the lower grinding chamber (2) are the loading and unloading positions of the desiccant raw material, characterized in that: The inner wall of the upper grinding chamber (1) is provided with a plurality of first grinding teeth (11) arranged at equal intervals along a circular trajectory, and the upper grinding chamber (1) is provided with a grinding seat (3). The outer periphery of the grinding seat (3) is provided with a plurality of second grinding teeth (31) arranged at equal intervals along a circular trajectory. When the upper grinding chamber (1) rotates, the grinding seat (3) rotates in the opposite direction, and the first grinding teeth (11) and the second grinding teeth (31) rotate in the opposite direction. The lower grinding chamber (2) is fixed with a feeding screen (22) by a connecting frame (21). The grinding seat (3) is provided with an extension support (35) that can rotate synchronously with it. The extension support (35) is provided with multiple sets of rolling balls (36) arranged equidistantly along the circumferential trajectory. After the desiccant material falling through the gap between the upper grinding chamber (1) and the grinding seat (3) falls onto the surface of the feeding screen (22), the rolling balls (36) rotate and come into contact with the ground desiccant material.
2. The electrical dehumidifying desiccant grinding device according to claim 1, characterized in that: A drive gear ring (12) is fixed outside the upper grinding chamber (1). A drive gear (4) meshes with the drive gear ring (12) on one side. A synchronous shaft (5) is mounted on the drive gear (4). A drive motor (9) that can drive the synchronous shaft (5) to rotate is provided at the bottom end of the synchronous shaft (5). As the drive gear (4) rotates, the drive gear ring (12), the upper grinding chamber (1), and the first grinding tooth (11) rotate synchronously in opposite directions.
3. The electrical dehumidifying desiccant grinding device according to claim 2, characterized in that: The synchronous shaft (5) is equipped with a drive wheel (6), which is located above the drive gear (4). The drive wheel (6) is connected to a driven wheel (8) on the same horizontal plane via a synchronous belt (7). The driven wheel (8) has a power shaft (33) that can rotate synchronously with it at the central axis position. The top of the grinding seat (3) is fixedly installed to the power shaft (33) via a feeding boss (32).
4. The electrical dehumidifying desiccant grinding device according to claim 3, characterized in that: A frame (23) is fixedly installed outside the lower grinding chamber (2), and the synchronous shaft (5), the driving wheel (6), the driven wheel (8) and the drive motor (9) are all installed with the frame (23).
5. The electrical dehumidifying desiccant grinding device according to claim 1, characterized in that: The grinding seat (3) is fixed with a linkage shaft (34) coaxially distributed with the bottom surface of the feeding screen (22). The extension support (35) is fixed at the bottom end of the linkage shaft (34). As the grinding seat (3) and the linkage shaft (34) rotate, multiple sets of grinding balls (36) rotate synchronously.
6. The electrical dehumidifying desiccant grinding device according to claim 3, characterized in that: The feeding boss (32) has a frustum structure, and the end of the feeding boss (32) with a smaller diameter is directly opposite the inner side of the feeding port of the upper grinding chamber (1).