Angelica dahurica low-temperature adsorption drying device

Abstract

This utility model relates to the technical field of Angelica dahurica drying devices, and discloses a low-temperature adsorption drying device for Angelica dahurica, including an adsorption chamber. A motor is installed on the rear side of the outer wall of the adsorption chamber. The drive end of the motor passes through the adsorption chamber and is fixedly connected to a rotating shaft. An adsorption wheel is provided at the middle end of the rotating shaft. The front end of the rotating shaft is rotatably connected to the front side of the inner wall of the adsorption chamber. Bushings are fitted on the front and rear ends of the outer side of the rotating shaft. The outer side of the bushings is connected to the inner wall of the adsorption chamber through a partition plate. An air inlet pipe is fixedly connected to the bottom front end of the adsorption chamber. A filter chamber is provided at the middle end of the air inlet pipe. A filter cartridge is detachably connected to the inner wall of the filter chamber. In this utility model, the air cleanliness entering the adsorption chamber is improved by the dual filtration of the coarse filter plate and fine filter holes in the filter cartridge and the anti-clogging of the airflow vibration of the ball, which reduces the adhesion of impurities to the adsorption wheel and extends the regeneration cycle. The tension spring allows the pressure roller to adaptively adjust the pressure according to the surface condition of the adsorption wheel, removing residual moisture and preventing excessive wear.

Description

Technical Field

[0001] This utility model relates to the technical field of Angelica dahurica drying equipment, and in particular to a low-temperature adsorption drying device for Angelica dahurica. Background Technology

[0002] The low-temperature adsorption drying device for Angelica dahurica is a device specifically designed for drying Angelica dahurica. Its core principle is to efficiently adsorb moisture in the drying chamber through adsorption materials such as adsorption wheels in a low-temperature environment (usually not exceeding 40℃), thereby gradually removing moisture from Angelica dahurica.

[0003] However, existing devices lack efficient anti-clogging designs in the air filtration stage. They mostly use a single filter screen without a dynamic cleaning structure. The filter screen pore size is fixed and it is in a static filtration state for a long time. Impurities such as angelica fragments and dust in the air easily accumulate on the screen surface and form blockages. Often, the machine needs to be stopped for cleaning after 1 to 2 days of operation. This not only interrupts the production process, but also significantly increases the impurity content of the air entering the adsorption chamber. A large number of impurities continuously adhere to the porous structure on the surface of the adsorption wheel, gradually clogging the adsorption pores. This results in a decrease of more than 30% in the moisture absorption capacity of the adsorption wheel and a significant reduction in adsorption efficiency. The regeneration cycle, which can be maintained for 1 month, is forced to be shortened to less than 15 days. Frequent regeneration operations increase energy consumption and shorten the service life of the adsorption wheel. Meanwhile, there are obvious defects in the treatment of residual moisture on the surface of the adsorption wheel after regeneration. Existing devices either lack a dedicated cleaning structure or use rigid scrapers for fixed pressure, lacking an elastic pressure adjustment mechanism. If the pressure is set too high, it will cause severe friction with the high-speed rotating adsorption wheel, leading to an accelerated wear rate of the adsorption material on the wheel surface, requiring the adsorption wheel to be replaced within six months. If the pressure is insufficient, it cannot effectively remove residual moisture from the wheel surface. This moisture is carried back to the adsorption zone as the adsorption wheel rotates, causing the humidity in the adsorption chamber to rise by 5%-10%, directly affecting the uniformity of angelica drying and the final quality, resulting in some angelica having excessive moisture content and increasing the risk of mold growth.

[0004] In response to this technical problem, this application proposes a low-temperature adsorption and drying device for Angelica dahurica. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as easy clogging of filters leading to reduced adsorption wheel efficiency, shortened regeneration cycle, and significant defects in residual water vapor treatment, and to propose a low-temperature adsorption and drying device for Angelica dahurica.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A low-temperature adsorption and drying device for Angelica dahurica includes an adsorption chamber. A motor is installed on the rear side of the outer wall of the adsorption chamber. The drive end of the motor passes through the adsorption chamber and is fixedly connected to a rotating shaft. An adsorption wheel is provided at the middle end of the rotating shaft. The front end of the rotating shaft is rotatably connected to the front side of the inner wall of the adsorption chamber. A bushing is fitted on the front and rear ends of the outer side of the rotating shaft. The outer side of the bushing is connected to the inner wall of the adsorption chamber through a partition plate. An air inlet pipe is fixedly connected to the bottom front end of the adsorption chamber. A filter chamber is provided at the middle end of the air inlet pipe. A filter cartridge is detachably connected to the inner wall of the filter chamber. A coarse filter plate is fixedly connected to the middle end of the inner wall of the filter cartridge. Fine filter holes are opened on the rear side of the inner wall of the filter cartridge. Multiple impact balls are provided at the rear end of the inner wall of the filter cartridge. The filter cartridge is connected to the top end of the outer wall of the filter chamber through a fixing component. A drying chamber is connected to the rear end of the outer wall of the adsorption chamber through a connecting pipe. A drying rack is provided inside the drying chamber.

[0008] Furthermore, a fixing rod is fixedly connected to one side of the outer wall of the bushing, and a sleeve is fixedly connected to the rear side of the fixing rod. The sleeve is connected to a horizontal plate through a reset assembly, and a pressure roller is rotatably connected to the rear end of the horizontal plate.

[0009] Furthermore, a hot air blower is installed on the rear side of the inner wall of the adsorption chamber, and an exhaust pipe is fixedly connected to the top of the front side of the outer wall of the adsorption chamber.

[0010] Furthermore, a support base is fixedly connected to the bottom of the outer wall of the adsorption chamber.

[0011] Furthermore, the fixing component includes a sealing cover, the inner wall of which is threadedly connected to the top of the filter chamber, a spring is fixedly connected to the top side of the inner wall of the sealing cover, a sealing pressure plate is fixedly connected to the bottom end of the spring, and the bottom side of the sealing pressure plate abuts against the top of the filter cartridge.

[0012] Furthermore, the reset assembly includes a slide rod, which is slidably connected to the inner wall of the sleeve. A tension spring is sleeved on the outer front end of the slide rod, and a cross plate is fixedly connected to the front side of the slide rod.

[0013] Furthermore, the fixing rod is installed between the two partition plates, and the adsorption wheel is installed between the front and rear partition plates.

[0014] Furthermore, the outer side of the pressure roller abuts against the front side of the adsorption wheel.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, the efficiency of the adsorption wheel is improved through multi-stage filtration and dynamic anti-clogging. The coarse filter plate and fine filter holes in the filter cartridge intercept impurities, and the anti-clogging is achieved by the airflow vibration of the ball, which significantly improves the cleanliness of the air entering the adsorption chamber, reduces the amount of impurities adhering to the surface of the adsorption wheel, and extends the original regeneration cycle.

[0017] 2. In this utility model, the tension spring can provide continuous elastic force. When the adsorption wheel rotates, the pressure roller can adaptively adjust the pressure according to its surface condition, which can both tightly fit and remove residual moisture, and avoid excessive wear of rigid contact. Attached Figure Description

[0018] Figure 1 This is a perspective view of a low-temperature adsorption and drying device for Angelica dahurica proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the adsorption wheel structure of a low-temperature adsorption drying device for Angelica dahurica proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the partition plate structure of a low-temperature adsorption drying device for Angelica dahurica proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of the filter cartridge structure of a low-temperature adsorption drying device for Angelica dahurica proposed in this utility model;

[0022] Figure 5 This is a schematic diagram of the horizontal plate structure of a low-temperature adsorption drying device for Angelica dahurica proposed in this utility model.

[0023] Legend:

[0024] 1. Adsorption chamber; 2. Rotating shaft; 3. Motor; 4. Adsorption wheel; 5. Bushing; 6. Divider plate; 7. Air inlet pipe; 8. Exhaust pipe; 9. Connecting pipe; 10. Drying chamber; 11. Drying rack; 12. Support base; 13. Hot air blower; 14. Filter chamber; 15. Filter cartridge; 16. Coarse filter plate; 17. Fine filter holes; 18. Bumper ball; 19. Sealing cover; 20. Sealing pressure plate; 21. Spring; 22. Fixing rod; 23. Sleeve; 24. Sliding rod; 25. Tension spring; 26. Horizontal plate; 27. Pressure roller. Detailed Implementation

[0025] 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.

[0026] Reference Figures 1-3An embodiment of this utility model provides a low-temperature adsorption and drying device for Angelica dahurica, comprising an adsorption chamber 1, a motor 3 installed on the rear side of the outer wall of the adsorption chamber 1, the drive end of the motor 3 passing through the adsorption chamber 1 and fixedly connected to a rotating shaft 2, an adsorption wheel 4 provided in the middle of the rotating shaft 2, the front end of the rotating shaft 2 being rotatably connected to the front side of the inner wall of the adsorption chamber 1, bushings 5 ​​sleeved on the front and rear ends of the outer side of the rotating shaft 2, the outer side of the bushings 5 ​​being connected to the inner wall of the adsorption chamber 1 through a partition plate 6, an air inlet pipe 7 fixedly connected to the bottom front side of the adsorption chamber 1, a filter chamber 14 provided in the middle of the air inlet pipe 7, a filter cartridge 15 detachably connected to the inner wall of the filter chamber 14, a coarse filter plate 16 fixedly connected to the middle of the inner wall of the filter cartridge 15, fine filter holes 17 opened on the rear side of the inner wall of the filter cartridge 15, multiple ball bearings 18 provided at the rear end of the inner wall of the filter cartridge 15, the filter cartridge 15 being connected to the top of the outer wall of the filter chamber 14 through a fixing component, and a drying chamber 10 connected to the rear end of the outer wall of the adsorption chamber 1 through a connecting pipe 9, with a drying rack 11 provided inside the drying chamber 10;

[0027] Specifically, in existing devices, when air is cooled and then fed into the adsorption chamber, impurities may remain in the air. These impurities adhere to the surface of the adsorption wheel 4, causing a decrease in the adsorption effect of the adsorption wheel 4. This device addresses this problem with an optimized design. During use, the filter cartridge 15 can be slid into the filter chamber 14, and then the sealing cover 19 can be rotated to make the sealing cover 19 threadedly connected to the top of the filter chamber 14. At the same time, the elastic force of the spring 21 makes the sealing pressure plate 20 tightly abut against the top side of the filter cartridge 15, thereby achieving a stable installation and seal of the filter cartridge 15 in the filter chamber 14, ensuring the reliability of the filtration process. When the cooled air is delivered into the adsorption chamber 1 through the air inlet pipe 7, it will first... After filtration by the coarse filter plate 16 and the fine filter holes 17, the coarse filter plate 16 can intercept larger particles of impurities in the air, while the fine filter holes 17 further filters out smaller impurities. Through two-stage filtration, impurities in the air are effectively removed, preventing impurities from adsorbing onto the surface of the adsorption wheel 4, thereby ensuring the adsorption efficiency of the adsorption wheel 4. Furthermore, during the continuous delivery of cold air, the ball 18 will move inside the filter cylinder 15 due to the airflow, impacting the inner wall of the filter cylinder 15 and generating vibration. This vibration can, to a certain extent, prevent the coarse filter plate 16 and the fine filter holes 17 from being blocked by impurities, ensuring the continuity and effectiveness of filtration, ensuring the cleanliness of the air entering the adsorption chamber 1, and enabling the adsorption wheel 4 to better perform its adsorption function.

[0028] Reference Figures 3-5A fixing rod 22 is fixedly connected to one side of the outer wall of the bushing 5. A sleeve 23 is fixedly connected to the rear side of the fixing rod 22. A horizontal plate 26 is connected to the sleeve 23 through a reset assembly. A pressure roller 27 is rotatably connected to the rear end of the horizontal plate 26. A hot air blower 13 is installed on the rear side of the inner wall of the adsorption chamber 1. An exhaust pipe 8 is fixedly connected to the top end of the front side of the outer wall of the adsorption chamber 1. A support base 12 is fixedly connected to the bottom end of the outer wall of the adsorption chamber 1. The fixing assembly includes a sealing cover 19. The inner wall of the sealing cover 19 is threadedly connected to the top end of the filter chamber 14. A spring 21 is fixedly connected to the top side, and a sealing pressure plate 20 is fixedly connected to the bottom end of the spring 21. The bottom side of the sealing pressure plate 20 abuts against the top of the filter cartridge 15. The reset assembly includes a slide rod 24, which is slidably connected to the inner wall of the sleeve 23. A tension spring 25 is sleeved on the front end of the outer side of the slide rod 24, and a horizontal plate 26 is fixedly connected to the front side of the slide rod 24. The fixed rod 22 is installed between the two partition plates 6, and the adsorption wheel 4 is installed between the front and rear partition plates 6. The outer side of the pressure roller 27 abuts against the front side of the adsorption wheel 4.

[0029] Specifically, addressing the issue of delayed drying and potential moisture carryback to the adsorption zone during adsorption wheel regeneration, this device incorporates a pressure roller 27 that continuously presses against the adsorption wheel surface to squeeze out moisture. The pressure roller 27 lightly presses against the front side of the adsorption wheel 4 and is elastically connected via a tension spring 25. The elastic force of the tension spring 25 maintains a "lightly pressed" contact between the pressure roller 27 and the adsorption wheel 4 surface. This pressure can be dynamically adjusted according to the state of the adsorption wheel 4. When residual moisture remains on the surface of the adsorption wheel 4 due to delayed regeneration, the pressure roller 27 can gently press it to remove surface moisture, reducing the likelihood of moisture being carried back to the adsorption zone. This ensures effective squeezing while preventing excessive wear on the adsorption wheel 4 surface, thus extending its service life. Simultaneously, the motor 3 drives the rotating shaft 2 to rotate, which in turn drives the adsorption wheel 4 in the adsorption process. The adsorption and regeneration cycle is achieved by rotating within chamber 1. The partition plate 6 divides the internal space of adsorption chamber 1 to ensure the functional independence of different areas. The hot air blower 13 generates hot air to heat and regenerate the adsorption wheel 4 entering the regeneration area, ensuring that the adsorption wheel 4 can continuously and efficiently perform adsorption operations. The air inlet pipe 7 and the exhaust pipe 8 enable air circulation. The drying chamber 10 and the drying rack 11 are used to place angelica and perform drying treatment. The support base 12 provides stable support for the entire device. The fixed rod 22, sleeve 23, slide bar 24, cross plate 26 and other components work together to ensure the installation stability and working reliability of the pressure roller 27. The overall device structure is reasonably designed, which can effectively improve the efficiency and quality of low-temperature adsorption and drying of angelica, reduce the impact of impurities and residual moisture on the adsorption wheel 4, extend the service life of the equipment, and reduce maintenance costs.

[0030] Working principle: After cold treatment, the air enters the filter chamber 14 through the air intake pipe 7. The coarse filter plate 16 and fine filter holes 17 in the filter cartridge 15 filter impurities in stages. The airflow drives the ball 18 to vibrate and prevent clogging. The sealing cover 19 fixes the filter cartridge 15 by the spring 21 and the sealing pressure plate 20. Clean air enters the adsorption chamber 1. The motor 3 drives the rotating shaft 2 to drive the adsorption wheel 4 to rotate and adsorb moisture. The partition plate 6 divides the area to ensure efficiency. When the adsorption wheel 4 rotates to the divided regeneration area, the hot air blower 13 blows hot air to the adsorption wheel 4 to regenerate it. The pressure roller 27 uses the tension spring 25 to lightly press the wheel surface. With the help of components such as the slide rod 24 and the sleeve 23, the residual water vapor is squeezed out. After drying, the air is discharged through the exhaust pipe 8. Part of it enters the drying chamber 10 through the connecting pipe 9. The angelica on the drying rack is dried. The support base 12 stabilizes the whole device. All the structures work together to achieve efficient low-temperature drying of angelica.

[0031] 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. A low-temperature adsorption drying device for Angelica dahurica, characterized in that, The device includes an adsorption chamber (1), a motor (3) installed on the rear side of the outer wall of the adsorption chamber (1), the drive end of the motor (3) passing through the adsorption chamber (1) and fixedly connected to a rotating shaft (2), an adsorption wheel (4) provided in the middle of the rotating shaft (2), the front end of the rotating shaft (2) being rotatably connected to the front side of the inner wall of the adsorption chamber (1), and bushings (5) sleeved on the front and rear ends of the outer side of the rotating shaft (2), the outer side of the bushings (5) being connected to the inner wall of the adsorption chamber (1) through a partition plate (6), and an air inlet pipe (7) fixedly connected to the bottom front side of the adsorption chamber (1). A filter chamber (14) is provided at the end. A filter cartridge (15) is detachably connected to the inner wall of the filter chamber (14). A coarse filter plate (16) is fixedly connected to the middle of the inner wall of the filter cartridge (15). A fine filter hole (17) is opened on the rear side of the inner wall of the filter cartridge (15). Multiple ball bearings (18) are provided at the rear end of the inner wall of the filter cartridge (15). The filter cartridge (15) is connected to the top of the outer wall of the filter chamber (14) through a fixing component. A drying chamber (10) is connected to the rear end of the outer wall of the adsorption chamber (1) through a connecting pipe (9). A drying rack (11) is provided inside the drying chamber (10).

2. The low-temperature adsorption and drying device for Angelica dahurica according to claim 1, characterized in that: A fixing rod (22) is fixedly connected to one side of the outer wall of the bushing (5), and a sleeve (23) is fixedly connected to the rear side of the fixing rod (22). The sleeve (23) is connected to a horizontal plate (26) through a reset assembly, and a pressure roller (27) is rotatably connected to the rear end of the horizontal plate (26).

3. The low-temperature adsorption and drying device for Angelica dahurica according to claim 1, characterized in that: A hot air blower (13) is installed on the rear side of the inner wall of the adsorption chamber (1), and an exhaust pipe (8) is fixedly connected to the top of the front side of the outer wall of the adsorption chamber (1).

4. The low-temperature adsorption and drying device for Angelica dahurica according to claim 1, characterized in that: The bottom of the outer wall of the adsorption chamber (1) is fixedly connected to a support base (12).

5. The low-temperature adsorption and drying device for Angelica dahurica according to claim 1, characterized in that: The fixing assembly includes a sealing cover (19), the inner wall of which is threaded to the top of the filter chamber (14), a spring (21) is fixedly connected to the top side of the inner wall of the sealing cover (19), a sealing pressure plate (20) is fixedly connected to the bottom end of the spring (21), and the bottom side of the sealing pressure plate (20) abuts against the top of the filter cartridge (15).

6. The low-temperature adsorption and drying device for Angelica dahurica according to claim 2, characterized in that: The reset assembly includes a slide rod (24), which is slidably connected to the inner wall of the sleeve (23). A tension spring (25) is sleeved on the outer front end of the slide rod (24), and a cross plate (26) is fixedly connected to the front side of the slide rod (24).

7. The low-temperature adsorption and drying device for Angelica dahurica according to claim 2, characterized in that: The fixing rod (22) is installed between the two partition plates (6), and the adsorption wheel (4) is installed between the front and rear partition plates (6).

8. The low-temperature adsorption and drying device for Angelica dahurica according to claim 2, characterized in that: The outer side of the pressure roller (27) abuts against the front side of the adsorption wheel (4).

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