Fermentation device for black tea processing

By introducing a rotating drum and stirring plate structure into the black tea fermentation device, and utilizing a warm air blower and a three-way pipe system, the problem of uneven heating of tea leaves was solved, thus improving the processing quality of black tea.

CN223554177UActive Publication Date: 2025-11-18JINXIU ANCIENT TREE TEA CO LTD +1
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Patent Information

Application Number
CN202422708756.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-11-18
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing black tea fermentation equipment cannot heat the tea leaves evenly, resulting in a decline in tea quality.

Method used

It adopts a rotating drum and stirring plate structure, combined with a warm air blower and a three-way pipe system, and works in coordination with a PLC controller to achieve uniform heating of tea leaves.

Benefits of technology

This ensures that the tea leaves are heated evenly, thus improving the processing quality of black tea.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fermentation device for black tea processing, and relates to the technical field of black tea processing. A rotating hole is formed in the middle of the upper end of the fermentation barrel, a rotating barrel is rotationally connected into the rotating hole, an electric brush sliding ring is installed on the circumferential face of the rotating barrel and located outside the fermentation barrel, two corresponding stirring plates are arranged in the fermentation barrel and fixed to the circumferential face of the rotating barrel, and the rotating barrel is connected with the electric brush sliding ring. A moving assembly is mounted in the rotating barrel, and a rotating assembly is mounted at the upper end of the fermentation barrel; the heating assembly comprises a warm air blower, an air outlet hose, a connecting pipe, a three-way pipe, a one-way valve and a strip-shaped barrier net, the warm air blower is installed at the upper end of the fermentation barrel, the air outlet hose is fixed in an air outlet hole of the warm air blower, a guide hole is formed in the upper end of the rotating barrel, the air outlet hose is located in the guide hole, and the connecting pipe is connected with the connecting pipe. The fermented tea leaves can be uniformly heated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to black tea processing technical field, specifically is fermentation device for black tea processing. BACKGROUND

[0002] Black tea is a kind of fully fermented tea, which is refined by a series of processes such as withering, rolling, fermentation and drying, using suitable fresh tea leaves as raw material, and withering is an important process in the initial processing of black tea. Black tea is called black tea in the initial processing, and it is named black tea because the tea soup and leaf bottom after brewing are red. During the processing of black tea, a chemical reaction centered on the enzymatic oxidation of tea polyphenols occurs, and the chemical composition of fresh leaves changes greatly. Tea polyphenols decrease by more than 90%, new ingredients such as theaflavins and thearubigins are produced, and the aroma substances increase significantly compared with fresh leaves. Therefore, black tea has the characteristics of red tea, red soup, red leaves and sweet and mellow taste.

[0003] Black tea needs to be fermented during processing, and the tea leaves need to be heated during fermentation. The existing fermentation device cannot make the tea leaves uniformly receive heat during use, and the uneven heating of the tea leaves will reduce the quality, which is not conducive to the production of black tea. Therefore, we propose a fermentation device for black tea processing. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a fermentation device for black tea processing, which can uniformly heat the fermented tea leaves and effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a fermentation device for black tea processing, comprising a fermentation barrel and a heating assembly.

[0006] The fermentation barrel: a rotating hole is formed in the middle of the upper end, and a rotating barrel is rotatably connected inside the rotating hole, an electric brush slip ring is installed on the circumference of the rotating barrel, the electric brush slip ring is located outside the fermentation barrel, two corresponding stirring plates are arranged inside the fermentation barrel, both stirring plates are fixed on the circumference of the rotating barrel, a moving assembly is installed inside the rotating barrel, and a rotating assembly for driving the rotating barrel to rotate is installed on the upper end of the fermentation barrel.

[0007] The heating assembly comprises a hair dryer, an air outlet hose, a connecting pipe, a tee pipe, a one-way valve and a strip-shaped barrier net, the upper end of the fermentation barrel is provided with the hair dryer, the inside of the air outlet hole of the hair dryer is fixedly provided with the air outlet hose, the upper end of the rotating barrel is provided with a guide hole, the air outlet hose is located in the inside of the guide hole, the lower end of the rotating barrel is fixedly provided with the connecting pipe, the lower end of the circumferential surface of the connecting pipe is rotatably connected with the tee pipe, the surface of the tee pipe is provided with two corresponding one-way valves, the circumferential surface of the rotating barrel is provided with two corresponding strip-shaped openings, the inside of the strip-shaped openings is fixedly provided with strip-shaped barrier nets, and the two strip-shaped barrier nets correspond to the two ends of the tee pipe away from the connecting pipe respectively. The heating assembly is arranged to uniformly heat the tea leaves.

[0008] The input end of the brush slip ring and the input end of the hair dryer are electrically connected to the output end of the external PLC controller, and the temperature sensor is fixedly installed on the inner wall bottom of the fermentation barrel and is bidirectionally electrically connected to the external PLC controller.

[0009] Further, the moving assembly comprises a moving block, a threaded rod, a limiting rod and a first motor, the inside of the rotating barrel is provided with the moving block, the middle part of the moving block is provided with a fixed cavity, the tee pipe is fixed in the fixed cavity, the right side of the moving block is provided with a threaded hole, the inside of the threaded hole is threadedly connected with the threaded rod, the threaded rod is rotatably connected in the inside of the rotating barrel, the left side of the moving block is provided with a limiting hole, the inside of the limiting hole is slidably connected with the limiting rod, the limiting rod is fixed in the inside of the rotating barrel, the upper end of the rotating barrel is installed with the first motor, the output shaft of the first motor is fixed on the upper end of the threaded rod, the input end of the first motor is electrically connected to the output end of the external PLC controller, and the moving assembly is arranged to drive the tee pipe to move.

[0010] Further, the rotating assembly comprises a second motor, a gear and a gear ring, the upper end of the rotating barrel is installed with the second motor, the output shaft of the second motor is fixed with the gear, the upper end of the circumferential surface of the rotating barrel is fixed with the gear ring, the gear ring is engaged with the gear, the input end of the second motor is electrically connected to the output end of the external PLC controller, and the rotating assembly is arranged to drive the rotating barrel to rotate.

[0011] Further, the upper end of the fermentation barrel is provided with a feeding hole, the inside of the feeding hole is clamped with a sealing plug, and the tea leaves enter the inside of the fermentation barrel through the feeding hole.

[0012] Further, the circumferential surface of the fermentation barrel is provided with a material taking hole, the inside of the material taking hole is hingedly provided with a baffle, the front side of the baffle is fixedly provided with a handle, and the user can pull and move the baffle through the handle.

[0013] Compared with the prior art, the black tea processing fermentation device has the following advantages:

[0014] The rotating assembly drives the rotating barrel to rotate, the rotating barrel drives the two stirring plates to rotate, the tea in the fermentation barrel can be stirred, the moving assembly drives the tee joint to move in the stirring process, the air heater injects hot air into the inside of the moving tee joint, the hot air can be uniformly sprayed into the tea in the fermentation barrel through the moving tee joint, and the tea can be uniformly heated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front side structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the utility model;

[0017] Figure 3 It is a rotating assembly structure schematic view of the utility model;

[0018] Figure 4 It is a heating assembly structure schematic view of the utility model.

[0019] In the drawing: 1 fermentation barrel, 2 rotating barrel, 3 stirring plate, 4 moving assembly, 41 moving block, 42 threaded rod, 43 limit rod, 44 first motor, 5 heating assembly, 51 air heater, 52 air outlet hose, 53 connecting pipe, 54 tee joint, 55 check valve, 56 strip-shaped barrier net, 6 rotating assembly, 61 second motor, 62 gear, 63 gear ring, 7 sealing plug, 8 baffle, 9 handle, 10 brush slip ring, 11 temperature sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The embodiment provides a technical scheme: a fermentation device for black tea processing, which comprises a fermentation barrel 1 and a heating assembly 5.

[0022] The rotating hole is formed in the middle of the upper end of the fermentation barrel 1, and the rotating barrel 2 is rotationally connected in the rotating hole. The electric brush slip ring 10 is installed on the circumferential surface of the rotating barrel 2, and the electric brush slip ring 10 is located outside the fermentation barrel 1. Two corresponding stirring plates 3 are arranged in the fermentation barrel 1, and the two stirring plates 3 are fixed on the circumferential surface of the rotating barrel 2. The moving assembly 4 is installed in the rotating barrel 2. The rotating assembly 6 for driving the rotating barrel 2 to rotate is installed at the upper end of the fermentation barrel 1. The moving assembly 4 comprises a moving block 41, a threaded rod 42, a limiting rod 43 and a first motor 44. The moving block 41 is arranged in the rotating barrel 2, and a fixing cavity is formed in the middle of the moving block 41. The three-way pipe 54 is fixed in the fixing cavity. A threaded hole is formed in the right side of the moving block 41, and the threaded rod 42 is screwedly connected in the threaded hole. The threaded rod 42 is rotationally connected in the rotating barrel 2. A limiting hole is formed in the left side of the moving block 41, and the limiting rod 43 is slidably connected in the limiting hole. The limiting rod 43 is fixed in the rotating barrel 2. The first motor 44 is installed at the upper end of the rotating barrel 2, and the output shaft of the first motor 44 is fixed at the upper end of the threaded rod 42. The input end of the first motor 44 is electrically connected with the output end of the external PLC controller. The rotating assembly 6 comprises a second motor 61, a gear 62 and a gear ring 63. The second motor 61 is installed at the upper end of the rotating barrel 2, and the output shaft of the second motor 61 is fixed with the gear 62. The gear ring 63 is fixed at the upper end of the circumferential surface of the rotating barrel 2, and the gear ring 63 is engaged with the gear 62. The input end of the second motor 61 is electrically connected with the output end of the external PLC controller. The rotating assembly 6 drives the rotating barrel 2 to rotate, and the moving assembly 4 drives the three-way pipe 54 to move.

[0023] The heating assembly 5 comprises a hair dryer 51, an air outlet hose 52, a connecting pipe 53, a three-way pipe 54, a one-way valve 55 and a strip-shaped barrier net 56. The hair dryer 51 is installed at the upper end of the fermentation barrel 1, and the air outlet hose 52 is fixed in the air outlet hole of the hair dryer 51. A guide hole is formed in the upper end of the rotating barrel 2, and the air outlet hose 52 is located in the guide hole. The connecting pipe 53 is fixed at the lower end of the rotating barrel 2, and the three-way pipe 54 is rotationally connected at the lower end of the circumferential surface of the connecting pipe 53. Two corresponding one-way valves 55 are installed on the surface of the three-way pipe 54. Two corresponding strip-shaped openings are formed in the circumferential surface of the rotating barrel 2, and the strip-shaped barrier nets 56 are fixed in the strip-shaped openings. The two strip-shaped barrier nets 56 correspond to the two ends of the three-way pipe 54 away from the connecting pipe 53. The heating assembly 5 uniformly heats the tea leaves.

[0024] The input end of the electric brush slip ring 10 and the input end of the hair dryer 51 are electrically connected with the output end of the external PLC controller. The temperature sensor 11 is fixedly installed at the bottom of the inner wall of the fermentation barrel 1, and the temperature sensor 11 is bidirectionally electrically connected with the external PLC controller.

[0025] The upper end of the fermentation barrel 1 is provided with a feeding hole, and a sealing plug 7 is connected to the inside of the feeding hole.

[0026] The circumferential surface of the fermentation barrel 1 is provided with a material taking hole, and a baffle 8 is hinged to the inside of the material taking hole.

[0027] The working principle of the fermentation device for black tea processing is as follows: when in use, the tea to be fermented is injected into the inside of the fermentation barrel 1, and after injection, the temperature sensor 11 continuously detects the temperature inside the fermentation barrel 1; when the tea needs to be heated, the second motor 61 can be started, and after the second motor 61 is started, the gear 62 rotates, the gear ring 63 rotates driven by the gear 62, the rotating barrel 2 rotates driven by the gear ring 63, and the two stirring plates 3 rotate driven by the rotating barrel 2, so that the tea fermented in the fermentation barrel 2 can be stirred; during the stirring process, the first motor 44 is started to rotate the threaded rod 42, the moving block 41 moves driven by the rotation of the threaded rod 42, and the three-way pipe 54 moves driven by the movement of the moving block 41; during the movement, the air heater 51 is started to inject hot air into the inside of the moving three-way pipe 54, so that the hot air can be uniformly sprayed into the tea in the inside of the fermentation barrel 1 through the moving three-way pipe 54, and the tea can be uniformly heated.

[0028] It is worth noting that the external PLC controller disclosed in the above embodiment is a specific model of Siemens S7-200, the first motor 44 and the second motor 61 can be selected as 1LE0003 three-phase asynchronous motor, the air heater 51 can be selected as TN-QG20-T16 intelligent air heater, and the temperature sensor 11 can be selected as LSCI-TZ03 laser focusing infrared temperature sensor; the external PLC controller controls the working of the first motor 44, the second motor 61 and the air heater 51 by using the method commonly used in the prior art.

[0029] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A fermentation apparatus for black tea processing, characterized by: The fermentation barrel (1) and the heating assembly (5) are included. The fermentation barrel (1) is provided with a rotating hole in the middle of the upper end, and a rotating barrel (2) is rotatably connected in the rotating hole; an electric brush slip ring (10) is installed on the circumferential surface of the rotating barrel (2), and the electric brush slip ring (10) is located outside the fermentation barrel (1); two stirring plates (3) are arranged in the fermentation barrel (1) in correspondence with each other, and the two stirring plates (3) are fixed on the circumferential surface of the rotating barrel (2); a moving assembly (4) is installed in the rotating barrel (2); and a rotating assembly (6) for driving the rotating barrel (2) to rotate is installed at the upper end of the fermentation barrel (1). The heating assembly (5) comprises a hair drier (51), an air outlet hose (52), a connecting pipe (53), a tee pipe (54), a one-way valve (55) and a strip-shaped barrier net (56); the hair drier (51) is installed at the upper end of the fermentation barrel (1); the air outlet hose (52) is fixed in the air outlet hole of the hair drier (51); a guide hole is formed in the upper end of the rotating barrel (2), and the air outlet hose (52) is located in the guide hole; the connecting pipe (53) is fixed at the lower end of the rotating barrel (2); the tee pipe (54) is rotatably connected to the lower end of the circumferential surface of the connecting pipe (53); two one-way valves (55) are installed on the surface of the tee pipe (54) in correspondence with each other; two strip-shaped openings are formed in the circumferential surface of the rotating barrel (2) in correspondence with each other, and a strip-shaped barrier net (56) is fixed in each strip-shaped opening; and the two strip-shaped barrier nets (56) correspond to the two ends of the tee pipe (54) away from the connecting pipe (53) respectively. The input ends of the electric brush slip ring (10) and the hair drier (51) are electrically connected to the output end of the external PLC controller; a temperature sensor (11) is fixedly installed on the inner wall of the fermentation barrel (1); and the temperature sensor (11) is bidirectionally electrically connected to the external PLC controller.

2. The fermentation apparatus for black tea processing according to claim 1, characterized in that: The moving assembly (4) comprises a moving block (41), a threaded rod (42), a limiting rod (43) and a first motor (44); the moving block (41) is arranged in the rotating barrel (2); a fixing cavity is formed in the middle of the moving block (41), and the tee pipe (54) is fixed in the fixing cavity; a threaded hole is formed in the right side of the moving block (41), and the threaded rod (42) is threadedly connected in the threaded hole; the threaded rod (42) is rotatably connected in the rotating barrel (2); a limiting hole is formed in the left side of the moving block (41), and the limiting rod (43) is slidably connected in the limiting hole; the limiting rod (43) is fixed in the rotating barrel (2); the first motor (44) is installed at the upper end of the rotating barrel (2); the output shaft of the first motor (44) is fixed to the upper end of the threaded rod (42); and the input end of the first motor (44) is electrically connected to the output end of the external PLC controller.

3. The fermentation apparatus for black tea processing according to claim 1, characterized in that: The rotating assembly (6) comprises a second motor (61), a gear (62) and a gear ring (63), the upper end of the rotating barrel (2) is provided with the second motor (61), the output shaft of the second motor (61) is fixedly provided with the gear (62), the upper end of the circumferential surface of the rotating barrel (2) is fixedly provided with the gear ring (63), the gear ring (63) is engaged with the gear (62), and the input end of the second motor (61) is electrically connected with the output end of the external PLC controller.

4. The fermentation apparatus for black tea processing according to claim 1, characterized in that: The upper end of the fermentation barrel (1) is provided with a feeding hole, and the feeding hole is connected with a sealing plug (7).

5. The fermentation apparatus for black tea processing according to claim 1, characterized in that: The circumferential surface of the fermentation barrel (1) is provided with a material taking hole, the inside of the material taking hole is hingedly connected with a baffle (8), and the front side of the baffle (8) is fixedly provided with a handle (9).