Tea leaf drying equipment with preheating mechanism

By introducing a preheating ring and a rotating drying drum into the tea drying equipment, the problem of uneven moisture removal from the tea leaves is solved, achieving uniform drying and quality improvement of the tea.

CN223856045UActive Publication Date: 2026-01-30HUBEI SHIJING WISDOM TEA CO LTD
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Patent Information

Application Number
CN202520504551.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-01-30
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

When traditional drying equipment directly dries tea leaves at high temperatures, it is difficult for the internal moisture of the tea leaves to be discharged evenly, resulting in rapid drying of the surface while the internal moisture content remains high, which affects the quality of the tea.

Method used

A tea drying device with a preheating mechanism was designed. The tea leaves are preheated by a preheating ring, and the rotating drying drum and heating tube work together to ensure that the tea leaves are heated evenly during the drying process and avoid uneven drying in some areas.

Benefits of technology

This improves the uniformity and quality of tea drying, ensures even evaporation of internal moisture, and enhances the efficiency of the drying equipment and the quality of the tea.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses tea leaf drying equipment with a preheating mechanism, which belongs to the technical field of tea leaf production and comprises a drying bin, a communicating pipe is fixedly connected above the drying bin and penetrates through the top of the drying bin, the top end of the communicating pipe is fixedly connected with a feed inlet, and the feed inlet is communicated with the drying bin. And the bottom end of the communicating pipe is fixedly connected with a discharging opening, and a partition plate is fixedly installed at the top of the drying bin. According to the tea leaf drying equipment with the preheating mechanism, a communicating pipe, a partition plate, a preheating ring and a drying cylinder are arranged, the preheating ring in the partition plate is controlled by a first control power source to heat the communicating pipe, when tea leaves pass through the communicating pipe at a feeding port and then enter a feeding port from a discharging port, the tea leaves can be preheated, and the initial temperature of the tea leaves is increased; and in the subsequent drying process, the situation that the surfaces of the tea leaves are rapidly dried and the internal moisture is still high is avoided, and the working efficiency of the drying equipment is greatly improved while the drying quality of the tea leaves is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tea production, and specifically relates to a tea drying equipment with a preheating mechanism. BACKGROUND

[0002] As a traditional beverage, the quality of tea depends largely on the processing, and drying is a very important link in tea processing. Proper drying can remove excess moisture in tea, prevent tea from mildewing and deteriorating, and help maintain the aroma, color and taste of tea. If drying is insufficient or the drying process is not properly controlled, tea may have problems such as off-flavor, poor color, and bitter taste. Traditional drying equipment directly dries tea at high temperature, which makes it difficult for the internal moisture of tea to be uniformly heated and discharged in a short time, easily causing the surface of tea to dry rapidly while the internal moisture remains high, thereby affecting the quality of tea. SUMMARY

[0003] To overcome the above-mentioned defects, the utility model provides a tea drying equipment with a preheating mechanism, which solves the problem of traditional drying equipment directly drying tea at high temperature, which makes it difficult for the internal moisture of tea to be uniformly heated and discharged in a short time, easily causing the surface of tea to dry rapidly while the internal moisture remains high, thereby affecting the quality of tea.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tea drying equipment with a preheating mechanism, comprising a drying bin, a communication pipe fixedly connected above the drying bin, the communication pipe penetrating the top of the drying bin, a feeding port fixedly connected to the top end of the communication pipe, a discharge port fixedly connected to the bottom end of the communication pipe, a partition plate fixedly installed on the top of the drying bin, a plurality of preheating rings fixedly installed between the inner walls of the partition plate, the preheating rings being sleeved on the outer wall of the communication pipe, a first control power supply fixedly installed on one side of the partition plate, the first control power supply being connected with the preheating rings, a drying cylinder rotatably connected between the inner walls of the drying bin, an upper feeding port being formed in the outer wall of the drying cylinder, the size of the upper feeding port being adapted to the size of the discharge port and being in the same plane, and a plurality of through holes being formed in the outer wall of the drying cylinder.

[0005] As a further scheme of the utility model, a baffle is rotatably connected to one side of the drying cylinder at the upper feeding port thereof, and two lock buckles are fixedly installed on one side of the baffle.

[0006] As a further scheme of the utility model, two lock hooks are fixedly installed on the outer wall of the drying cylinder, and the positions of the two lock hooks correspond to the positions of the two lock buckles.

[0007] As a further scheme of the utility model: one side of the drying bin is fixedly installed with a mounting bracket, output motors are fixedly connected between the inner walls of the mounting bracket, and the output ends of the output motors penetrate one side of the drying bin and are connected with the drying cylinder.

[0008] As a further scheme of the utility model: a heating pipe is fixedly installed at the bottom of the drying bin, a second control power supply is fixedly installed on the outer wall of the drying bin, and the second control power supply is connected with the heating pipe.

[0009] As a further scheme of the utility model: a door plate is rotatably connected to one side of the drying bin, and two air vent grooves are formed at the top of the drying bin on the two sides of the communicating pipe.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] 1. The tea drying equipment with a preheating mechanism, through the setting of the communicating pipe, the partition plate, the preheating ring and the drying cylinder, when tea drying operation is carried out, the preheating ring in the partition plate is controlled by the first control power supply to heat the communicating pipe, the tea can be preheated when passing through the communicating pipe from the inlet port to the outlet port, the initial temperature of the tea is improved, the situation that the surface of the tea is rapidly dried while the internal moisture is still high is avoided in the subsequent drying process, the tea drying quality is ensured, and the working efficiency of the drying equipment is greatly improved.

[0012] 2. The tea drying equipment with a preheating mechanism, through the setting of the drying cylinder, the baffle, the lock hook, the lock catch and the through hole, after the tea enters the drying cylinder through the outlet port and the inlet port, the baffle is fixed on one side of the drying cylinder through the cooperation of the lock hook and the lock catch, the heating pipe heats the tea in the drying cylinder below the drying bin, the hot gas enters the inside of the drying cylinder through the through hole and is transmitted to the tea in the drying cylinder, and meanwhile, the output motor drives the drying cylinder to rotate, the tea in the drying cylinder constantly tumbles in the rotating process of the drying cylinder, in this way, the situation that the tea close to the heating pipe is dried fast while the tea far away from the heating pipe is dried slowly is avoided, and the uniformity and quality of the tea drying are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Fig. 2 It is a structure schematic view of the position relationship between the lock hook and the lock catch of the utility model;

[0015] Fig. 3 It is a structure schematic view of the partition plate cut of the utility model;

[0016] In the figure: 1, drying bin; 2, communication pipe; 3, inlet; 4, discharge port; 5, partition; 6, preheating ring; 7, first control power supply; 8, drying cylinder; 9, feeding port; 10, through hole; 11, baffle; 12, lock catch; 13, lock hook; 14, mounting bracket; 15, output motor; 16, heating pipe; 17, second control power supply; 18, door plate; 19, air slot. DETAILED DESCRIPTION

[0017] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0018] As Figs. 1-3 shown, the utility model provides a kind of technical scheme: a kind of tea drying equipment with preheating mechanism, including drying bin 1, the bottom of drying bin 1 is fixedly installed with heating pipe 16, the outer wall of drying bin 1 is fixedly installed with second control power supply 17, second control power supply 17 is connected with heating pipe 16, one side of drying bin 1 is rotatably connected with door plate 18, the top of drying bin 1 is fixedly connected with communication pipe 2, communication pipe 2 penetrates the top of drying bin 1, the top of communication pipe 2 is fixedly connected with inlet 3, the bottom of communication pipe 2 is fixedly connected with discharge port 4, the top of drying bin 1 is fixedly installed with partition 5, the inner wall between partition 5 is fixedly installed with a plurality of preheating rings 6, preheating ring 6 is sleeved in the outer wall of communication pipe 2, because of being equipped with preheating ring 6, tea moves down in the process in communication pipe 2, preheating ring 6 is heated to communication pipe 2 under the control of first control power supply 7, tea can be heated by preheating ring 6 when entering drying cylinder 8 in communication pipe 2, to preheat tea, help the uniform evaporation of moisture in subsequent drying process of tea, improve drying quality;

[0019] A first control power supply 7 is fixedly installed on one side of the partition 5. The first control power supply 7 is connected to the preheating ring 6. Two ventilation slots 19 are respectively opened on both sides of the connecting pipe 2 at the top of the drying chamber 1. Because of the ventilation slots 19, the air circulation in the drying chamber 1 can be guaranteed. During the drying process, hot air rises and can discharge some moisture through the ventilation slots 19, which is beneficial to the continuous drying of tea and the improvement of quality. A drying cylinder 8 is rotatably connected between the inner walls of the drying chamber 1. The outer wall of the drying cylinder 8 is provided with a feeding port 9. The size of the feeding port 9 is adapted to the size of the discharge port 4 and is on the same plane. Through the feeding port 9 and the discharge port The coordination between 4 and the output motor 15 controls the rotation of the drying cylinder 8, aligning the feed port 9 of the drying cylinder 8 with the discharge port 4, ensuring that the tea leaves can orderly pass through the feed port 3 and the connecting pipe 2, and accurately enter the drying cylinder 8 for drying. This achieves the continuity and accuracy of tea leaf transmission. The outer wall of the drying cylinder 8 is provided with several through holes 10. Because of the through holes 10, the tea leaves continuously tumble during the rotation of the drying cylinder 8 driven by the output motor 15. Hot air can enter every corner of the drying cylinder 8 through the through holes 10, ensuring that all parts of the tea leaves are heated evenly, improving the uniformity of drying, and avoiding local overheating or under-drying.

[0020] A baffle 11 is rotatably connected to one side of the drying cylinder 8 at its feed inlet 9. Two latches 12 are fixedly installed on one side of the baffle 11. Two hooks 13 are fixedly installed on the outer wall of the drying cylinder 8. The positions of the two hooks 13 correspond to the positions of the two latches 12. Through the cooperation between the latches 12 and the hooks 13, the baffle 11 is fixed by the latches 12 and the hooks 13 after the tea leaves enter the drying cylinder 8, effectively preventing the tea leaves from leaking out of the feed inlet 9 during the drying process. A mounting bracket 14 is fixedly installed on one side of the drying chamber 1. An output motor 15 is fixedly connected between the inner walls of the mounting bracket 14. The output end of the output motor 15 passes through one side of the drying chamber 1 and is connected to the drying cylinder 8.

[0021] The working principle of the utility model is: when using the equipment, the first control power 7 controls the preheating ring 6 to heat the communicating pipe 2 in the partition 5, then the output motor 15 controls the drying cylinder 8 to rotate, so that the feeding port 9 of the drying cylinder 8 is opposite to the discharge port 4, the tea enters the communicating pipe 2 through the feeding port 3, then enters the feeding port 9 through the discharge port 4 at the bottom of the communicating pipe 2, and finally enters the drying cylinder 8, when the tea passes through the communicating pipe 2, the tea can be radiated by the heat of the preheating ring 6, so that the tea is preheated when entering the drying cylinder 8, after the tea enters the drying cylinder 8, the baffle 11 is fixed at the feeding port 9 of the drying cylinder 8 through the cooperation of the lock hook 13 and the lock catch 12, the door plate 18 is closed, the output motor 15 drives the drying cylinder 8 to rotate in the drying bin 1, so that the tea in the drying cylinder 8 rolls continuously, the second control power 17 controls the heating pipe 16 to heat at the bottom of the drying cylinder 8, the heat is transmitted to the tea in the drying cylinder 8 through the through hole 10, the tea is dried, the dried tea is taken out from the feeding port 9 by opening the baffle 11, and the device is used.

[0022] In the description of the utility model, it is to be explained that, unless another explicit provision and limitation, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0023] The above has made the detailed explanation to the preferred embodiment of the patent, but the patent is not limited to the above-mentioned embodiment, within the knowledge scope possessed by ordinary skilled in the art, still can make various changes without departing from the purpose of the patent.

Claims

1. A tea drying apparatus with a preheating mechanism, comprising a drying bin (1), characterized in that: The upper side of the drying bin (1) is fixedly connected with a communication pipe (2), the communication pipe (2) penetrates the top of the drying bin (1), the top end of the communication pipe (2) is fixedly connected with an inlet (3), the bottom end of the communication pipe (2) is fixedly connected with an outlet (4), the top of the drying bin (1) is fixedly installed with a partition plate (5), a plurality of preheating rings (6) are fixedly installed between the inner walls of the partition plate (5), the preheating rings (6) are sleeved on the outer wall of the communication pipe (2), a first control power supply (7) is fixedly installed on one side of the partition plate (5), the first control power supply (7) is connected with the preheating rings (6), a drying cylinder (8) is rotatably connected between the inner walls of the drying bin (1), the outer wall of the drying cylinder (8) is provided with a feeding port (9), the size of the feeding port (9) is matched with the size of the outlet (4) and is in the same plane, and a plurality of through holes (10) are formed in the outer wall of the drying cylinder (8).

2. The tea drying apparatus having a preheating mechanism according to claim 1, characterized in that: One side of the drying cylinder (8) is rotatably connected with a baffle (11) at the feeding port (9) thereof.

3. The tea drying apparatus having a preheating mechanism according to claim 2, characterized in that: The outer wall of the drying cylinder (8) is fixedly installed with two lock hooks (13), and the positions of the two lock hooks (13) correspond to the positions of the two lock buckles (12).

4. The tea drying apparatus having a preheating mechanism according to claim 1, characterized in that: One side of the drying bin (1) is fixedly installed with a mounting bracket (14), output motors (15) are fixedly connected between the inner walls of the mounting bracket (14), and the output ends of the output motors (15) penetrate one side of the drying bin (1) and are connected with the drying cylinder (8).

5. The tea drying apparatus having a preheating mechanism according to claim 1, characterized in that: The bottom of the drying bin (1) is fixedly installed with a heating pipe (16), and the outer wall of the drying bin (1) is fixedly installed with a second control power supply (17), and the second control power supply (17) is connected with the heating pipe (16).

6. The tea drying apparatus having a preheating mechanism according to claim 1, characterized in that: One side of the drying bin (1) is rotatably connected with a door plate (18), and two air grooves (19) are formed in the top of the drying bin (1) on both sides of the communication pipe (2).