An apparatus for uniform drying of tea leaves

By designing a tea drying equipment with a feeding rack and a heating unit, the problem of tea leaves being difficult to remove quickly was solved, achieving uniform drying and efficient continuous production of tea leaves, thus improving the quality of tea leaves and production efficiency.

CN224534681UActive Publication Date: 2026-07-21HUBEI JIUGONG MOUNTAIN TEA AGRICULTURAL DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI JIUGONG MOUNTAIN TEA AGRICULTURAL DEVELOPMENT CO LTD
Filing Date
2025-07-25
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing tea drying equipment makes it difficult for operators to quickly remove the dried tea leaves, which prolongs the drying process, affects continuity, and may lead to over-drying of the tea leaves, affecting their quality.

Method used

A uniform drying device including a feeding rack, a rotating shaft, and a supporting plate was designed. The feeding rack is driven to rotate by a drive component, and the hot air circulation design of the heating unit enables uniform drying of tea leaves and simple loading and unloading operations.

Benefits of technology

This improved the uniformity and consistency of tea drying, reduced labor intensity, and ensured the continuity and efficiency of the drying process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a uniform drying device for tea leaves, which comprises a frame body, a drying chamber for drying tea leaves arranged on the frame body, a feeding frame arranged in the drying chamber and used for storing tea leaves, a driving member connected with the feeding frame and used for driving the feeding frame to rotate, and a heating unit communicated with the drying chamber and used for blowing hot air into the drying chamber. The feeding frame comprises a rotating shaft arranged in the frame body, a plurality of material bearing plates arranged on the rotating shaft from top to bottom, a plurality of air holes arranged on the material bearing plates, and a drying box arranged on the material bearing plates. The cooperation of the drying box, the rotating shaft and the material bearing plates makes the feeding and discharging operations simple, an operator can easily place or take down the drying box on the material bearing plates without complicated operation steps and additional tools, the work efficiency is greatly improved, and the labor intensity is reduced.
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Description

Technical Field

[0001] This application relates to the field of tea processing technology, and in particular to a uniform drying device for tea. Background Technology

[0002] In tea processing, drying is a crucial step that affects the quality, taste, and shelf life of tea. While existing tea drying equipment meets basic drying requirements to some extent, in practice, some equipment makes it difficult for operators to quickly remove the dried tea leaves after they are placed directly into the drying unit. Tea leaves may remain inside, requiring repeated removal to ensure complete removal. This prolongs the drying process, disrupts its continuity, and may even lead to over-drying of some tea leaves due to prolonged retention, thus affecting tea quality.

[0003] To address the aforementioned issues, a uniform drying device for tea leaves has been designed. Utility Model Content

[0004] This application provides a uniform drying device for tea leaves to solve the problem in some related technologies where operators have difficulty quickly removing the dried tea leaves from the equipment, which prolongs the entire drying process and affects the continuity of tea drying.

[0005] In a first aspect, a device for uniformly drying tea leaves is provided, comprising:

[0006] The frame has a drying chamber for drying tea leaves.

[0007] The feeding rack, which rotates within the drying chamber, is used to store tea leaves.

[0008] A driving component, which is connected to the feeding rack and is used to drive the feeding rack to rotate;

[0009] A heating unit, which is connected to the drying chamber, is used to blow hot air into the drying chamber.

[0010] The feeding rack includes a rotating shaft rotatably disposed inside the rack body, and multiple material support plates arranged sequentially from top to bottom on the rotating shaft. Multiple ventilation holes are provided on the material support plates, and a drying box is arranged on the material support plates. The drying box is inserted and connected to the rotating shaft.

[0011] In some embodiments, one side of the drying chamber is open, and a sealing door is hinged to the opening of the drying chamber.

[0012] In some embodiments, the drying box includes a box body, which is a mesh-like box body with multiple through holes for gas flow. A mesh cover is hinged to the top of the box body, and the mesh cover is adapted to the box body. Both the box body and the mesh cover have grooves on one side for insertion and mating with the rotating shaft.

[0013] In some embodiments, the bottom of the box body is provided with a positioning groove, the material support plate is circular, and the material support plate is provided with protrusions that are adapted to the positioning groove.

[0014] In some embodiments, the drive unit includes a drive motor and a reducer mounted on the frame, the output shaft of the drive motor being connected to the input shaft of the reducer, the output shaft of the reducer being connected to the bottom end of the rotating shaft, and the top end of the rotating shaft being rotatably connected to the inner top wall of the drying chamber.

[0015] In some embodiments, the heating unit includes a fan mounted on a frame, an air duct mounted on one side of the drying chamber, the air duct having a cavity inside, one end of the air duct communicating with the drying chamber, the other end of the air duct communicating with the air outlet of the fan, and multiple electric heating tubes being installed inside the air duct.

[0016] The heating unit also includes an exhaust pipe disposed above the drying chamber, and the exhaust pipe is connected to the drying chamber.

[0017] This application provides a uniform drying device for tea leaves. The combination of the drying box, the rotating shaft, and the supporting plate makes the loading and unloading operations simple. Operators can easily place the drying box on the supporting plate or remove it from the supporting plate without complicated operating steps or additional tools, which greatly improves work efficiency and reduces labor intensity.

[0018] The feeding rack adopts a layered structure with multiple support plates arranged sequentially from top to bottom, increasing the storage space for tea leaves and facilitating the classification, drying, and management of different batches of tea. Loading and unloading can be carried out layer by layer, making the entire process more organized and efficient.

[0019] The drive unit rotates the feeding rack, causing the tea leaves inside the drying box to constantly change position and angle during the drying process. This allows the tea leaves to receive the hot air blown in by the heating unit evenly, avoiding the problem of localized overheating or underheating that occurs when the tea leaves are stationary. This greatly improves the uniformity of tea drying and ensures the consistency of tea quality. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying 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.

[0021] Figure 1 A three-dimensional structural illustration provided for an embodiment of this application. Figure 1 ;

[0022] Figure 2 A three-dimensional structural illustration provided for an embodiment of this application. Figure 2 ;

[0023] Figure 3 A frontal sectional view provided for an embodiment of this application;

[0024] Figure 4 This is a three-dimensional schematic diagram of the connection structure between the drive unit and the feeding rack provided in the embodiments of this application;

[0025] Figure 5 This is a three-dimensional schematic diagram of the connection structure between the rotating shaft and the bearing plate provided in an embodiment of this application;

[0026] Figure 6 This is a three-dimensional schematic diagram of the box provided in an embodiment of this application.

[0027] In the diagram: 1. Frame; 2. Drying chamber; 3. Feeding rack; 4. Drive unit; 5. Heating unit; 21. Sealing door; 31. Rotating shaft; 32. Material support plate; 321. Vent hole; 33. Drying box; 331. Box body; 332. Mesh cover; 333. Groove; 6. Positioning groove; 7. Protrusion; 41. Drive motor; 42. Reducer; 51. Fan; 52. Air duct; 53. Electric heating element; 54. Exhaust pipe. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of 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, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] This application provides a uniform drying device for tea, which solves the problem in some related technologies where operators have difficulty quickly removing the dried tea leaves from the equipment, thus prolonging the entire drying process and affecting the continuity of tea drying.

[0030] Please see Figures 1-3 A uniform drying device for tea leaves includes: a frame 1, on which a drying chamber 2 for drying tea leaves is provided; a feeding rack 3, which is rotatably disposed in the drying chamber 2 and used to store tea leaves; a driving component 4, which is connected to the feeding rack 3 for driving the feeding rack 3 to rotate; and a heating unit 5, which is connected to the drying chamber 2 for blowing hot air into the drying chamber 2; the feeding rack 3 includes a rotating shaft 31 rotatably disposed inside the frame 1, and a plurality of supporting plates 32 arranged sequentially from top to bottom on the rotating shaft 31, the supporting plates 32 having a plurality of ventilation holes 321, and a drying box 33 arranged on the supporting plates 32, the drying box 33 being inserted and fitted with the rotating shaft 31.

[0031] The tea leaves to be dried are placed in the drying box 33. Since the drying box 33 is connected to the rotating shaft 31, the drying boxes 33 containing the tea leaves are placed on the support plate 32 in sequence to complete the feeding operation of the tea leaves. Then, the drive unit 4 starts to work, drives the feeding rack 3 to rotate, and drives the support plate 32 and the drying boxes 33 arranged on the support plate 32 to rotate together, so that the tea leaves in the drying box 33 make circular motion in the drying chamber 2.

[0032] At the same time, after the heating unit 5 is started, hot air is blown into the drying chamber 2. The hot air flows in the drying chamber 2. Since multiple ventilation holes 321 are opened on the material support plate 32, the hot air passes through each layer of material support plate 32 evenly through the ventilation holes 321 and enters the drying box 33 to heat and dry the rotating tea leaves from all directions.

[0033] Once the tea leaves are dried, stop the operation of the drive unit 4 and the heating unit 5. The operator will then remove the drying box 33 from the material receiving plate 32 in sequence to complete the unloading operation. Repeat the above operation to maintain the continuity of tea drying.

[0034] The combination of the drying box 33, the rotating shaft 31 and the supporting plate 32 makes the loading and unloading operations simple. Operators can easily place the drying box 33 on the supporting plate 32 or remove it from the supporting plate 32 without complicated operating steps and additional tools, which greatly improves work efficiency and reduces labor intensity.

[0035] The feeding rack 3 adopts a layered structure with multiple supporting plates 32 arranged sequentially from top to bottom, which increases the storage space for tea leaves and facilitates the classification, drying, and management of different batches of tea leaves. Loading and unloading can be carried out layer by layer, making the entire process more orderly and efficient.

[0036] The drive unit 4 drives the feeding rack 3 to rotate, so that the tea leaves in the drying box 33 continuously change position and angle during the drying process, so that they can receive the hot air blown in by the heating unit 5 evenly. This avoids the problem of local overheating or underheating of the tea leaves due to their fixed position, greatly improves the uniformity of tea drying, and ensures the consistency of tea quality.

[0037] Multiple ventilation holes 321 on the material support plate 32 provide a uniform flow channel for hot air. Hot air can freely pass through each layer of the material support plate 32 through these ventilation holes 321, so that the tea leaves on each layer can fully contact the hot air, further enhancing the uniformity of drying.

[0038] In this embodiment, the drying chamber 2 has an opening on one side, and a sealing door 21 is hinged to the opening of the drying chamber 2.

[0039] The following explains the design of the drying chamber 2 in the implementation scheme, which has an opening on one side and a hinged sealing door 21 at the opening, from the aspects of working principle and beneficial effects:

[0040] Before the tea drying equipment is in normal operation, the operator needs to open the sealing door 21. The operator can place the drying box 33 containing tea leaves onto the material support plate 32 of the feeding rack 3 through this opening to complete the tea feeding operation. After the tea leaves are placed, the operator rotates the sealing door 21 in the opposite direction so that it fits tightly against the opening of the drying chamber 2, thus sealing the drying chamber 2.

[0041] like Figure 4 and Figure 6 As shown, in one embodiment, the drying box 33 includes a box body 331, which is a mesh-shaped box body with multiple through holes for gas flow. A mesh cover 332 is hinged to the top of the box body 331. The mesh cover 332 is adapted to the box body 331. A groove 333 is provided on one side of both the box body 331 and the mesh cover 332 to be inserted into the rotating shaft 31.

[0042] The operator first opens the mesh cover 332 upward around the hinge point, at which point the box body 331 is fully open. The tea leaves to be dried are then evenly spread inside the box body 331. Subsequently, the operator accurately inserts the drying box 33 containing the tea leaves into the rotating shaft 31 of the feeding rack 3 through the groove 333, so that the drying box 33 is stably installed on the feeding rack 3.

[0043] Because the box 331 is a mesh-like box with multiple through holes for gas circulation, hot air can freely pass through these through holes into the interior of the box 331, making full contact with the tea leaves and heating and drying them.

[0044] After the tea leaves are dried, the operator opens the sealed door 21 of the drying chamber 2, removes the drying box 33 from the rotating shaft 31, then opens the mesh cover 332 and pours the dried tea leaves out of the box 331, completing the feeding operation.

[0045] The combination of the mesh box 331 and the mesh cover 332 makes it difficult for tea leaves and other impurities generated during the drying process to remain in the drying chamber 2. Operators can easily clean the drying box 33, ensuring the hygiene of the drying box 33 and the continuity of the drying equipment operation.

[0046] like Figure 5 and Figure 6 As shown, in this embodiment, the bottom of the box 331 is provided with a positioning groove 6, the material support plate 32 is circular, and the material support plate 32 is provided with a protrusion 7 that matches the positioning groove 6.

[0047] During placement, the groove 333 is inserted into the rotating shaft 31, and the drying box 33 is restricted on the rotating shaft 31. Then, the operator only needs to align the positioning groove 6 at the bottom of the box body 331 with the protrusion 7 on the material support plate 32, press down gently, and then make the protrusion 7 accurately embed into the positioning groove 6. At this time, the drying box 33 is stably positioned in a specific position on the material support plate 32, and the installation of the drying box 33 is completed.

[0048] The positioning groove 6 and the protrusion 7 work together to provide precise positioning for the drying box 33 on the support plate 32. Operators can quickly and accurately place the drying box 33 in the correct position, ensuring that the drying box 33 is always firmly fixed on the support plate 32, guaranteeing the stability of the tea during the drying process and reducing damage to the tea caused by shaking of the drying box 33.

[0049] like Figure 2 and Figure 4 As shown, in one embodiment, the driving component 4 includes a drive motor 41 and a reducer 42 mounted on the frame 1. The output shaft of the drive motor 41 is connected to the input shaft of the reducer 42, the output shaft of the reducer 42 is connected to the bottom end of the rotating shaft 31, and the top end of the rotating shaft 31 is rotatably connected to the inner top wall of the drying chamber 2.

[0050] The drive motor 41 starts to run, and its output shaft rotates at the set speed. The power generated by the drive motor 41 is transmitted to the reducer 42. The reducer 42 reduces the input power and increases the torque, converting the high-speed, low-torque power into low-speed, high-torque power. Then, it outputs the drive shaft 31 to rotate through its output shaft. When the shaft 31 rotates, it drives the material support plate 32 and the drying box 33 placed on the material support plate 32 to move in a circular motion, thereby realizing the rotational drying of tea leaves in the drying chamber 2.

[0051] Once the tea leaves have dried for the preset time or reached the required degree of dryness, the operator cuts off the power to the equipment, the drive motor 41 stops running, the power transmission is interrupted, the rotating shaft 31 gradually stops rotating, and the feeding rack 3 stops rotating, thus completing the tea drying process.

[0052] like Figure 1 and Figure 3 As shown, in one embodiment, the heating unit 5 includes a fan 51 mounted on the frame 1 and an air duct 52 mounted on one side of the drying chamber 2. The air duct 52 has a cavity inside, one end of the air duct 52 is connected to the drying chamber 2, and the other end of the air duct 52 is connected to the air outlet of the fan 51. Multiple electric heating tubes 53 are installed inside the air duct 52. The heating unit 5 also includes an exhaust pipe 54 mounted above the drying chamber 2, and the exhaust pipe 54 is connected to the drying chamber 2.

[0053] When the equipment is ready to start drying tea leaves, the operator turns on the power and starts the fan 51 and the electric heating tube 53. The fan 51 starts to run, and its blades rotate at high speed, drawing in air from the surrounding environment. The drawn-in air enters the air duct 52 through the air outlet of the fan 51. When the air flows through the electric heating tube 53, it exchanges heat with the electric heating tube 53, and the air is rapidly heated and its temperature rises. The heated air is continuously pushed by the fan 51 and finally enters the drying chamber 2 through the end of the air duct 52 that is connected to the drying chamber 2. The hot air diffuses in the drying chamber 2 and is evenly distributed in all corners, making full contact with the tea leaves placed in the drying box 33, transferring heat to the tea leaves, and causing the moisture in the tea leaves to evaporate.

[0054] During the drying process, the tea leaves continuously evaporate moisture, which is then discharged outdoors through the exhaust pipe 54, thereby maintaining a suitable humidity environment inside the drying chamber 2 and ensuring the drying effect of the tea leaves. When the tea leaves have been dried for the preset time or reached the required degree of dryness, the operator cuts off the power, the fan 51 and the electric heating tube 53 stop working, and the heating process ends.

[0055] In the description of this application, it should be noted that the terms "upper," "lower," 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. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0056] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0057] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A uniform drying device for tea leaves, characterized in that, include: The frame (1) is equipped with a drying chamber (2) for drying tea leaves. The feeding rack (3) is rotated inside the drying chamber (2) and used to store tea leaves; A drive unit (4) is connected to the feeding rack (3) for driving the feeding rack (3) to rotate; A heating unit (5) is connected to the drying chamber (2) for blowing hot air into the drying chamber (2); The feeding rack (3) includes a rotating shaft (31) rotatably disposed inside the frame (1), and multiple material support plates (32) arranged sequentially from top to bottom on the rotating shaft (31). Multiple ventilation holes (321) are provided on the material support plates (32), and a drying box (33) is arranged on the material support plates (32). The drying box (33) is inserted into the rotating shaft (31).

2. The uniform drying equipment for tea leaves as described in claim 1, characterized in that: The drying chamber (2) has an opening on one side, and a sealing door (21) is hinged to the opening of the drying chamber (2).

3. The uniform drying equipment for tea leaves as described in claim 1, characterized in that: The drying box (33) includes a box body (331), which is a mesh-shaped box body with multiple through holes for gas flow. A mesh cover (332) is hinged to the top of the box body (331). The mesh cover (332) is adapted to the box body (331). Both the box body (331) and the mesh cover (332) have a groove (333) on one side that is inserted into the rotating shaft (31).

4. The uniform drying equipment for tea leaves as described in claim 3, characterized in that: The bottom of the box body (331) is provided with a positioning groove (6), the material support plate (32) is a circular plate, and the material support plate (32) is provided with a protrusion (7) that matches the positioning groove (6).

5. The uniform drying equipment for tea leaves as described in claim 1, characterized in that: The drive unit (4) includes a drive motor (41) and a reducer (42) mounted on the frame (1). The output shaft of the drive motor (41) is connected to the input shaft of the reducer (42). The output shaft of the reducer (42) is connected to the bottom end of the rotating shaft (31). The top end of the rotating shaft (31) is rotatably connected to the inner top wall of the drying chamber (2).

6. The uniform drying equipment for tea leaves as described in claim 1, characterized in that: The heating unit (5) includes a fan (51) mounted on a frame (1) and a hopper (52) mounted on one side of the drying chamber (2). The hopper (52) has a cavity inside. One end of the hopper (52) is connected to the drying chamber (2), and the other end of the hopper (52) is connected to the air outlet of the fan (51). Multiple electric heating tubes (53) are installed inside the hopper (52). The heating unit (5) also includes an exhaust pipe (54) disposed above the drying chamber (2), and the exhaust pipe (54) is connected to the drying chamber (2).