Wild black tea fermentation method and device

By designing a fermentation device for wild black tea, utilizing a woven mesh box and eccentric cylinder structure, and driving a rotating shaft through a sprocket and transmission chain, convenient tea leaf loading and unloading is achieved, reducing tea leaf breakage and damage. This solves the problem of tea leaf breakage and damage, ensures the smooth progress of the fermentation process, and improves the fermentation quality.

CN121014754APending Publication Date: 2025-11-28SHAANXI HENGCHUAN JIUDING AGRICULTURAL DEVELOPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511566408.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-30
Publication Date
2025-11-28

AI Technical Summary

Technical Problem

In the current black tea fermentation process, the tea leaves are prone to becoming stale and withered, which leads to a decline in quality. Furthermore, traditional equipment makes it difficult to conveniently handle the tea leaves, which can easily cause them to break or be damaged.

Method used

A fermentation device for wild black tea is designed, which adopts a woven mesh box and an eccentric cylinder structure. The drive box drives the chain, which in turn drives the rotating shaft and the eccentric cylinder to rotate. The eccentric cylinder 28, the rotating shaft, and the sprocket 271 realize the combination of chain and sprocket. Through the designed device, the sprocket and the transmission chain drive the rotating shaft and the eccentric cylinder to rotate. The eccentric cylinder can shake the black tea in the woven mesh box, reducing the breakage and damage of the tea leaves.

Benefits of technology

It enables convenient handling of tea leaves, reduces breakage and damage, and ensures fermentation quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121014754A_ABST
    Figure CN121014754A_ABST
Patent Text Reader

Abstract

The wild black tea fermentation device comprises a fermentation box, an air inlet pipe is integrally arranged on one side of the fermentation box, a filter screen is detachably mounted in the air inlet pipe, a fan is fixedly mounted at the outer end of the air inlet pipe, and an air outlet pipe is integrally arranged at an opening in the other side of the fermentation box; a filter screen is also detachably mounted in the air outlet pipe, and a temperature controller is fixedly mounted in the fermentation box. The driving box drives the rotating shaft and the eccentric cylinder to rotate through the chain wheel and the transmission chain, the eccentric cylinder can shake black tea in the woven net cage, wild black tea can be conveniently taken and placed, and the situation that the black tea is broken and damaged can be reduced by shaking the black tea.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of black tea processing, and particularly relates to a wild black tea fermentation method and device. BACKGROUND

[0002] Wild black tea is one of black tea, which is made of wild tea tree tender leaves as raw materials through withering, rolling, fermentation and drying processes, and has unique aroma, mellow taste and brewing characteristics. Black tea fermentation is to make the internal components of tea leaves undergo enzymatic oxidation to form tea yellow, tea red and tea brown substances, so that the aroma and color of tea leaves are fully developed. In the fermentation process, the tea reaction generates heat, and high temperature and oxygen-deficient environment are easily formed in the tea pile, which causes tea to turn green and affects the quality of tea. At present, in the traditional processing technology, the fermentation of black tea is usually natural fermentation. The tea leaves are placed in a large tray, and the processing personnel need to observe the fermentation condition of the tea leaves at all times. In order to avoid the tea turning green, the tea leaves also need to be stirred from time to time, which consumes a lot of labor. Some black tea fermentation uses a rolling drum to stir the tea leaves. This kind of black tea fermentation device is usually difficult to put and take out the tea leaves, and the tea leaves are easily broken and damaged during rolling, which affects the quality of the tea leaves. SUMMARY

[0003] In order to solve the above technical problems, the present application provides a wild black tea fermentation method and device, which is convenient to put and take out the wild black tea, and the shaking of the black tea can reduce the breaking and damage of the black tea.

[0004] The present application is realized by the following technical solutions: A wild black tea fermentation device, comprising a fermentation box, one side of the fermentation box is integrally provided with an air inlet pipe, a filter screen is detachably installed in the air inlet pipe, a fan is fixedly installed at the outer end of the air inlet pipe, an air outlet pipe is integrally provided at the opening of the other side of the fermentation box, a filter screen is also detachably installed in the air outlet pipe, a temperature controller is fixedly installed in the fermentation box, a fermentation holding rack assembly is installed in the fermentation box, the fermentation holding rack assembly comprises a transmission machine box and a woven mesh box, the transmission machine box comprises a machine box, a drive box and a tensioning structure are fixedly installed in the machine box, a support plate is fixedly installed in the machine box, the support plate is an L-shaped steel plate, a clamping plate is detachably installed on the upper and lower sides of the bottom surface of the woven mesh box, a fixed plate is integrally provided on the outer side of the clamping plate arranged on the two sides, a U-shaped steel is detachably installed on the outer side of each fixed plate through a hand screw bolt, an eccentric cylinder is sequentially arranged at the lower part of the woven mesh box, a rotating shaft is fixedly installed at the eccentric hole of the eccentric cylinder, a sprocket is fixedly installed at the outer end of each rotating shaft, and a transmission chain is installed outside the sprocket.

[0005] Preferably, the fermentation holding rack assembly is provided with at least one.

[0006] Preferably, one side of the U-shaped steel is fixedly installed on the inner wall of the fermentation box, and the other side of the U-shaped steel is fixedly arranged with the case.

[0007] Preferably, the clamping plates and the supporting plates are arranged in an opposite manner.

[0008] Preferably, the eccentric cylinders and the clamping plates are arranged alternately.

[0009] Preferably, the transmission chain is connected with the driving wheel of the driving box, and the tensioning structure is arranged in connection with the transmission chain.

[0010] Preferably, each rotating shaft is arranged in connection with the case through a sealing bearing.

[0011] A wild black tea fermentation method and device, comprising the following steps: S1: placing wild black tea; S11: taking out the woven mesh box; S12: placing the wild black tea in the woven mesh box in a flat manner; S13: placing the woven mesh box in the fermentation box; S2: fermentation; S21: fan ventilation; S22: shaking the wild black tea; S3: taking out the fermented wild black tea.

[0012] Compared with the prior art, the present application has the following advantages: 1. In the present application, the driving box drives the rotating shaft and the eccentric cylinder to rotate through the sprocket and the transmission chain, the eccentric cylinder can shake the black tea in the woven mesh box, which is beneficial to the taking and placing of the wild black tea, and the shaking of the black tea can reduce the breaking and damage of the black tea.

[0013] 2. In the present application, the fixed plate and the U-shaped steel are loosened by rotating the hand-tightened bolt, the user takes out the woven mesh box from the fermentation box, and the woven mesh box is fixed in the fermentation box by the hand-tightened bolt. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the present application.

[0015] Figure 2 is a structural schematic diagram of the inside of the fermentation box of the present application.

[0016] Figure 3 is a structural schematic diagram of the fermentation holding rack assembly of the present application.

[0017] Figure 4 is a structural schematic diagram of the cooperation of the woven mesh box and the eccentric cylinder of the present application.

[0018] Figure 5 is a schematic diagram of the transmission connection structure of the present application.

[0019] In the drawings: 1, fermentation tank; 11, air inlet pipe; 12, air outlet pipe; 13, fan; 14, temperature controller; 2, fermentation holding rack assembly; 21, transmission machine box; 211, machine box; 212, drive box; 213, tensioning structure; 22, support plate; 23, U-shaped steel; 24, hand screw bolt; 25, woven mesh box; 26, clamping plate; 261, fixed plate; 27, rotating shaft; 271, chain wheel; 272, transmission chain; 28, eccentric cylinder. DETAILED DESCRIPTION

[0020] The present application will be described in detail below with reference to the drawings, such as Figure 1 and Figure 2, a wild black tea fermentation device, comprising a fermentation tank 1, one side of the fermentation tank 1 is integrally provided with an air inlet pipe 11, a filter screen is detachably installed inside the air inlet pipe 11, a fan 13 is fixedly installed at the outer end of the air inlet pipe 11, an air outlet pipe 12 is integrally provided at the opening of the other side of the fermentation tank 1, a filter screen is also detachably installed inside the air outlet pipe 12, a temperature controller 14 is fixedly installed inside the fermentation tank 1, the temperature controller 14 is provided with a temperature sensor, the fan 13 is electrically connected with the temperature controller 14, and a fermentation holding rack assembly 2 is installed inside the fermentation tank 1.

[0021] In this embodiment, the fermentation holding rack assembly 2 is integrally provided with a transmission machine box 21 and a woven mesh box 25. Figure 3 to Figure Figure 5 As shown in the drawings, the fermentation holding rack assembly 2 comprises a transmission machine box 21 and a woven mesh box 25, the transmission machine box 21 comprises a machine box 211, a drive box 212 and a tensioning structure 213 are fixedly installed inside the machine box 211, a support plate 22 is fixedly installed inside the machine box 211, the support plate 22 is made of L-shaped steel plate, a clamping plate 26 is detachably installed on the bottom surface of the woven mesh box 25, the outer side of the clamping plate 26 provided on both sides is integrally provided with a fixed plate 261, a U-shaped steel 23 is detachably installed on the outer side of each fixed plate 261 through a hand screw bolt 24, an eccentric cylinder 28 is sequentially provided at the lower part of the woven mesh box 25, a rotating shaft 27 is fixedly installed at the eccentric hole of the eccentric cylinder 28, a chain wheel 271 is fixedly installed at the outer end of each rotating shaft 27, a transmission chain 272 is installed outside the chain wheel 271, the drive box 212 drives the rotating shaft 27 and the eccentric cylinder 28 to rotate through the chain wheel 271 and the transmission chain 272, the eccentric cylinder 28 can shake the black tea in the woven mesh box 25, which is convenient for taking and placing the wild black tea and reduces the breaking and damage of the black tea.

[0022] In this embodiment, specifically, the fermentation holding rack assembly 2 is provided with at least one.

[0023] In this embodiment, specifically, the U-shaped steel 23 on one side is fixedly installed on the inner wall of the fermentation tank 1, and the U-shaped steel 23 on the other side is fixedly installed with the casing 211.

[0024] In this embodiment, specifically, the clamping plate 26 and the support plate 22 are arranged vertically opposite each other.

[0025] In this embodiment, specifically, the eccentric cylinder 28 and the clamping plate 26 are alternately arranged.

[0026] In this embodiment, specifically, the transmission chain 272 is connected to the drive wheel of the drive box 212, and the tensioning structure 213 is connected to the transmission chain 272.

[0027] In this embodiment, each of the rotating shafts 27 is specifically connected to the chassis 211 via a sealed bearing.

[0028] In this embodiment, specifically, the drive box 212 is connected to the control device of the fermentation workshop.

[0029] A method for fermenting wild black tea includes the following steps: S1: Place Wild Black Tea; S11: Take out the woven wire mesh box 25, loosen the fixing plate 261 and U-shaped steel 23 by turning the hand-tightening bolt 24, and the user takes out the woven wire mesh box 25 from the fermentation box 1; S12: Spread the wild black tea evenly in the woven mesh box 25; S13: Place the woven wire mesh box 25 into the fermentation box 1, and fix the fixing plate 261 and the U-shaped steel 23 with the hand-tightening bolts 24; S2: Fermentation; S21: Fan 13 provides ventilation, and temperature controller 14 is used to detect the temperature inside fermentation chamber 1. When fan 13 rotates, it delivers oxygen-laden air from outside through a filter screen into fermentation chamber 1. The air circulation can remove the heat during black tea fermentation to prevent it from becoming stale and can also bring oxygen to help black tea ferment naturally. S22: Shaking the wild black tea, the drive box 212 drives the rotating shaft 27 to rotate through the transmission chain 272 and sprocket 271, thereby driving the eccentric cylinder 28 to rotate. When the eccentric cylinder 28 rotates, it can lift the bottom of the woven mesh box 25 and shake the black tea, so that the black tea can come into more complete contact with oxygen and can dissipate heat more completely. S3: Take out the fermented wild black tea, take out the woven mesh box 25, and transport the fermented wild black tea to the next processing step.

[0030] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solutions described in this invention, or by designing similar technical solutions by those skilled in the art under the inspiration of the technical solutions described in this invention, falls within the protection scope of this invention.

Claims

1. A fermentation device for wild black tea, characterized in that, The wild black tea fermentation device includes a fermentation box (1), an air inlet pipe (11) is integrated on one side of the fermentation box (1), a filter screen is detachably installed inside the air inlet pipe (11), a fan (13) is fixedly installed at the outer end of the air inlet pipe (11), an air outlet pipe (12) is integrated at the opening on the other side of the fermentation box (1), a filter screen is also detachably installed inside the air outlet pipe (12), a temperature controller (14) is fixedly installed inside the fermentation box (1), a fermentation holding rack assembly (2) is installed inside the fermentation box (1), the fermentation holding rack assembly (2) includes a transmission housing (21) and a woven mesh box (25), the transmission housing (21) includes a housing (211), a drive box (212) is fixedly installed inside the housing (211). The tensioning structure (213) has a support plate (22) fixedly installed inside the casing (211). The support plate (22) is made of L-shaped steel plate. The bottom surface of the woven wire mesh box (25) is equidistantly fitted with a pair of detachable clamping plates (26) on both sides. The clamping plates (26) on both sides are integrally fitted with a fixing plate (261). Each fixing plate (261) is detachably fitted with a U-shaped steel (23) by a hand-tightening bolt (24). The lower part of the woven wire mesh box (25) is provided with an eccentric cylinder (28). A rotating shaft (27) is fixedly installed at the eccentric opening of the eccentric cylinder (28). A sprocket (271) is fixedly installed at the outer end of each rotating shaft (27). A transmission chain (272) is installed on the outside of the sprocket (271).

2. The wild black tea fermentation device as described in claim 1, characterized in that, The fermentation container assembly (2) is provided with at least one.

3. The wild black tea fermentation device as described in claim 1, characterized in that, The U-shaped steel (23) on one side is fixedly installed on the inner wall of the fermentation tank (1), and the U-shaped steel (23) on the other side is fixedly installed with the machine box (211).

4. The wild black tea fermentation device as described in claim 1, characterized in that, The clamping plate (26) and the support plate (22) are arranged facing each other vertically.

5. The wild black tea fermentation apparatus as described in claim 1, characterized in that, The eccentric cylinder (28) and the clamping plate (26) are alternately arranged.

6. The wild black tea fermentation apparatus as described in claim 1, characterized in that, The transmission chain (272) is connected to the drive wheel of the drive box (212), and the tensioning structure (213) is connected to the transmission chain (272).

7. The wild black tea fermentation apparatus as described in claim 1, characterized in that, Each of the said shafts (27) is connected to the chassis (211) via a sealed bearing.

8. The method for fermenting wild black tea as described in claim 1, characterized in that, Includes the following steps: S1: Place Wild Black Tea; S11: Take out the woven wire mesh box (25); S12: Spread the wild black tea evenly in the woven mesh box (25); S13: Place the woven wire mesh box (25) into the fermentation box (1); S2: Fermentation; S21: Ventilation by fan (13); S22: Shaking Wild Black Tea; S3: Take out the fermented wild black tea.