Stirring blade adjusting mechanism of low-temperature vacuum distillation equipment
By designing a stirring blade adjustment mechanism, the angle of the stirring blade is adjusted using an electric telescopic rod and a gear system, which solves the problem of poor adaptability of traditional stirring shafts to liquids of different viscosities and improves stirring efficiency and energy consumption.
Patent Information
- Application Number
- CN202520491102.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-20
AI Technical Summary
The stirring blades on traditional stirring shafts cannot be adjusted in angle, resulting in poor adaptability of low-temperature vacuum distillation equipment to liquids of different viscosities and difficulty in effective stirring.
A stirring blade adjustment mechanism was designed, which uses an electric telescopic rod to drive a rack and gear system to achieve the angle rotation of the stirring blade, adapting to the stirring needs of liquids with different viscosities.
It achieves efficient stirring of liquids with different viscosities, improving stirring efficiency and energy utilization.
Smart Images
Figure CN223915185U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stirring shaft technology, specifically a stirring blade adjustment mechanism for a low-temperature vacuum distillation device. Background Technology
[0002] Low-temperature vacuum distillation equipment features low distillation temperature, high system vacuum, short material heating time, and high degree of separation. The separation process is irreversible and there is no boiling or bubbling phenomenon. It is suitable for separating high-boiling-point, heat-sensitive, and easily oxidized substances and has been widely used in various industries such as pharmaceuticals (extraction of vitamins and active ingredients from traditional Chinese medicine), petrochemicals, food industry, cosmetics industry, and agriculture.
[0003] To improve the heating efficiency of liquids, stirring shafts are often installed in low-temperature vacuum distillation tanks to agitate the liquids. Since liquids of different viscosities require different blade angles on the stirring shaft—for example, for high-viscosity liquids, the blades typically have an angle of 70°-80° to enhance shear force and overcome material resistance, while for low-viscosity liquids, the blades typically have an angle of 45°-60° to improve axial flow and avoid excessive energy consumption—the traditional stirring shafts are mostly welded to the shaft, making blade angle adjustment impossible and resulting in poor adaptability to liquids of different viscosities. Consequently, when distilling liquids of different viscosities in a low-temperature vacuum distillation tank, traditional stirring shafts struggle to effectively agitate the liquids. To address this issue, a technological innovation is proposed based on the existing stirring blade adjustment mechanism in low-temperature vacuum distillation equipment. Utility Model Content
[0004] The purpose of this invention is to provide a stirring blade adjustment mechanism for a low-temperature vacuum distillation device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a stirring blade adjustment mechanism for a low-temperature vacuum distillation apparatus, comprising:
[0006] The second synchronous pulley has a first through hole at its top, and a stirring shaft is installed inside the first through hole. A groove is formed at the top of the stirring shaft, and a second through hole is uniformly formed on the inner wall of the groove. A first heat-resistant sealing ring is installed inside the second through hole, and a rotating shaft is installed inside the first heat-resistant sealing ring. A stirring blade is installed on the outer side of the rotating shaft, and a gear is installed on the side of the rotating shaft away from the stirring blade. The gear is located inside the groove, and the stirring blade is located outside the stirring shaft. A rack meshes with the outer wall of the gear, and a limiting post is provided on the outer wall of the rack. Limiting grooves are uniformly formed on the inner wall of the groove, penetrating the top of the stirring shaft. The limiting post is located within the limiting groove. A low-temperature vacuum distillation tank is placed outside the stirring blade.
[0007] Preferably, the top of the low-temperature vacuum distillation tank is provided with a third through hole, a second heat-resistant sealing ring is provided in the third through hole, and the stirring shaft is provided in the second heat-resistant sealing ring.
[0008] Preferably, the outer ring of the stirring shaft is evenly provided with two sets of first limiting rings, the two sets of first limiting rings are respectively located on the upper and lower sides of the third through hole, and the second synchronous wheel is located above the low temperature vacuum distillation tank.
[0009] Preferably, the outer ring of the rotating shaft is evenly provided with two sets of second limiting rings, and the second through hole is located between the two sets of second limiting rings.
[0010] Preferably, a motor is provided on the right side of the low-temperature vacuum distillation tank, and a first synchronous pulley is provided on the top of the output end of the motor. A synchronous belt meshes with the outer sides of the first synchronous pulley and the second synchronous pulley.
[0011] Preferably, a connecting plate is provided at the top of the rack, the connecting plate is located above the second synchronous pulley, an electric telescopic rod is placed on the top of the connecting plate, support columns are evenly arranged on the outer side wall of the electric telescopic rod, the support columns are evenly arranged on the top of the low temperature vacuum distillation tank, a groove is formed at the top of the connecting plate, an annular limiting groove is formed on the inner side wall of the groove, the telescopic end of the electric telescopic rod is located in the groove, and a third limiting ring is provided on the outer ring of the telescopic end of the electric telescopic rod, the third limiting ring is set in the annular limiting groove.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] This invention utilizes an electric telescopic rod to push a rack downwards, causing a gear to rotate. The gear, via a rotating shaft, causes the stirring blades to rotate at different angles. This allows for better stirring of liquids of varying viscosities within a low-temperature vacuum distillation tank by rapidly adjusting the tilt angle of the stirring blades. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the stirring blade adjustment mechanism of a low-temperature vacuum distillation device according to the present invention;
[0015] Figure 2 This is a front sectional view of the stirring blade adjustment mechanism of a low-temperature vacuum distillation device according to the present invention.
[0016] Figure 3 This utility model Figure 2 Enlarged view of part A.
[0017] In the diagram: 1. Low-temperature vacuum distillation tank; 11. Motor; 12. First synchronous pulley; 13. Synchronous belt; 14. Electric telescopic rod; 15. Support column; 16. Third limiting ring; 17. Connecting disc; 18. Rack; 19. Limiting column; 2. Stirring shaft; 21. Stirring blade; 22. Rotating shaft; 23. Gear; 24. First heat-resistant sealing ring; 25. Second synchronous pulley; 26. First limiting ring; 27. Second heat-resistant sealing ring; 28. Second limiting ring. Detailed Implementation
[0018] 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.
[0019] Please see Figures 1-3A stirring blade adjustment mechanism for a low-temperature vacuum distillation apparatus includes a second synchronous wheel 25. A first through hole is formed at the top of the second synchronous wheel 25. A stirring shaft 2 is fixedly installed within the first through hole. A sliding groove is formed at the top of the stirring shaft 2. Second through holes are uniformly formed on the inner sidewall of the sliding groove. A first heat-resistant sealing ring 24 is fixedly installed within the second through hole. A rotating shaft 22 is rotatably installed within the first heat-resistant sealing ring 24. The first heat-resistant sealing ring 24 seals the gap between the rotating shaft 22 and the second through hole. A [missing information - likely a device or component] is fixedly installed on the outer side of the rotating shaft 22. A gear 23 is fixedly installed on the side of the stirring blade 21 and the rotating shaft 22 away from the stirring blade 21. The gear 23 is located in a sliding groove, and the stirring blade 21 is located on the outside of the stirring shaft 2. A rack 18 meshes with the outer wall of the gear 23, and a limit post 19 is fixedly installed on the outer wall of the rack 18. Limit grooves are evenly opened on the inner wall of the sliding groove, and the limit grooves penetrate the top of the stirring shaft 2. The limit post 19 is slidably installed in the limit groove, and the limit post 19 assists the rack 18 to move stably up and down. A low-temperature vacuum distillation tank 1 is placed on the outside of the stirring blade 21. A connecting plate 17 is fixedly installed on the top of the 18, and the connecting plate 17 is located above the second synchronous pulley 25. An electric telescopic rod 14 is mounted on the top of the connecting plate 17. The electric telescopic rod 14 is a high-load-bearing electric telescopic rod, and the internal drive motor is a worm gear reducer motor. Support columns 15 are evenly fixedly installed on the outer wall of the electric telescopic rod 14. The support columns 15 are evenly fixedly installed on the top of the low-temperature vacuum distillation tank 1. A groove is opened on the top of the connecting plate 17, and an annular limiting groove is opened on the inner side wall of the groove. The telescopic end of the electric telescopic rod 14 is... Within the groove, a third limiting ring 16 is fixedly installed on the outer ring of the telescopic end of the electric telescopic rod 14. The electric telescopic rod 14 drives the connecting plate 17 to move downward. The connecting plate 17 pushes the rack 18 downward, causing the gear 23 to rotate. The gear 23 drives the stirring blade 21 to rotate at an angle via the rotating shaft 22. This allows for quick adjustment of the tilt angle of the stirring blade 21 to better stir liquids of different viscosities within the low-temperature vacuum distillation tank 1. The third limiting ring 16 is rotatably installed within the annular limiting groove.
[0020] A third through-hole is provided through the top of the low-temperature vacuum distillation tank 1. A second heat-resistant sealing ring 27 is fixedly installed inside the third through-hole. The stirring shaft 2 is rotatably installed inside the second heat-resistant sealing ring 27, which seals the gap between the stirring shaft 2 and the third through-hole. Two sets of first limiting rings 26 are evenly fixed on the outer ring of the stirring shaft 2. The two sets of first limiting rings 26 are located on the upper and lower sides of the third through-hole, respectively, which limit the vertical position of the stirring shaft 2, allowing it to move stably within the third through-hole. The shaft rotates inside the vessel. The second synchronous pulley 25 is located above the low-temperature vacuum distillation vessel 1. Two sets of second limiting rings 28 are evenly fixed on the outer ring of the shaft 22. The second through hole is located between the two sets of second limiting rings 28. The shaft 22 is limited by the second limiting rings 28 so that it can rotate stably in the second through hole. A motor 11 is fixedly installed on the right side of the low-temperature vacuum distillation vessel 1. A first synchronous pulley 12 is fixedly installed on the top of the output end of the motor 11. A synchronous belt 13 meshes with the outer side of the first synchronous pulley 12 and the second synchronous pulley 25.
[0021] Working principle: The motor 11 drives the first synchronous pulley 12 to rotate, which in turn drives the second synchronous pulley 25 to rotate via the synchronous belt 13. The second synchronous pulley 25 drives the stirring shaft 2 to rotate, which in turn drives the stirring blade 21 to rotate within the low-temperature vacuum distillation tank 1 via the gear 23. This stirs the liquid in the low-temperature vacuum distillation tank 1. When the stirring shaft 2 rotates, it drives the rack 18 and the connecting plate 17 to rotate. The third limiting ring 16 allows the connecting plate 17 to rotate outside the third limiting ring 16 without driving the electric telescopic rod 14 to rotate. Before the stirring blade 21 stirs the liquid in the low-temperature vacuum distillation tank 1, the electric telescopic rod 14 drives the connecting plate 17 to move downward. The connecting plate 17 pushes the rack 18 downward, which drives the gear 23 to rotate. The gear 23 drives the stirring blade 21 to rotate at an angle via the rotating shaft 22. This allows for quick adjustment of the tilt angle of the stirring blade 21 to better stir liquids of different viscosities within the low-temperature vacuum distillation tank 1.
Claims
1. A cryogenic vacuum distillation apparatus stirring blade adjustment mechanism characterized by, include: The second synchronous pulley (25) has a first through hole at its top, and a stirring shaft (2) is installed inside the first through hole. The top of the stirring shaft (2) has a groove, and a second through hole is evenly installed on the inner side wall of the groove. A first heat-resistant sealing ring (24) is installed inside the second through hole, and a rotating shaft (22) is installed inside the first heat-resistant sealing ring (24). A stirring blade (21) is installed on the outer side of the rotating shaft (22), and the rotating shaft (22) is away from the stirring blade (21). A gear (23) is provided on one side of the stirring shaft (2), the gear (23) is located in the groove, the stirring blade (21) is located on the outside of the stirring shaft (2), the outer wall of the gear (23) is meshed with a rack (18), the outer wall of the rack (18) is provided with a limiting post (19), the inner wall of the groove is evenly provided with limiting grooves, the limiting grooves penetrate the top of the stirring shaft (2), the limiting post (19) is located in the limiting groove, and a low temperature vacuum distillation tank (1) is placed on the outside of the stirring blade (21).
2. A cryogenic vacuum distillation apparatus stirring blade adjustment mechanism according to claim 1, characterized in that: The top of the low-temperature vacuum distillation tank (1) is provided with a third through hole, and a second heat-resistant sealing ring (27) is provided in the third through hole. The stirring shaft (2) is located in the second heat-resistant sealing ring (27).
3. A cryogenic vacuum distillation apparatus stirring vane adjustment mechanism according to claim 2, wherein: The outer ring of the stirring shaft (2) is uniformly provided with two sets of first limiting rings (26), the two sets of first limiting rings (26) are located on the upper and lower sides of the third through hole respectively, and the second synchronous wheel (25) is located above the low temperature vacuum distillation tank (1).
4. A cryogenic vacuum distillation apparatus stirring blade adjustment mechanism according to claim 1, characterized in that: The outer ring of the rotating shaft (22) is evenly provided with two sets of second limiting rings (28), and the second through hole is located between the two sets of second limiting rings (28).
5. A cryogenic vacuum distillation apparatus stirring vane adjustment mechanism according to claim 1, wherein: A motor (11) is provided on the right side of the low-temperature vacuum distillation tank (1). A first synchronous pulley (12) is provided on the top of the output end of the motor (11). A synchronous belt (13) meshes with the outer sides of the first synchronous pulley (12) and the second synchronous pulley (25).
6. A cryogenic vacuum distillation apparatus stirring blade adjustment mechanism according to claim 1, wherein: A connecting plate (17) is provided on the top of the rack (18). The connecting plate (17) is located above the second synchronous pulley (25). An electric telescopic rod (14) is placed on the top of the connecting plate (17). Support columns (15) are evenly arranged on the outer side wall of the electric telescopic rod (14). The support columns (15) are evenly arranged on the top of the low-temperature vacuum distillation tank (1). A groove is opened on the top of the connecting plate (17). An annular limiting groove is opened on the inner side wall of the groove. The telescopic end of the electric telescopic rod (14) is located in the groove. A third limiting ring (16) is provided on the outer ring of the telescopic end of the electric telescopic rod (14). The third limiting ring (16) is arranged in the annular limiting groove.