Kangpu tea circulating fermentation device and Kangpu tea circulating fermentation equipment
By adding a low-speed stirrer and circulation components to the kombucha fermentation device, the problem of excessively long fermentation time for kombucha has been solved, resulting in shorter fermentation time and improved efficiency, making it suitable for continuous kombucha production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI UNIV OF ENG
- Filing Date
- 2025-01-06
- Publication Date
- 2026-05-08
AI Technical Summary
In existing technologies, the fermentation time for kombucha is too long, resulting in low fermentation efficiency.
The kombucha circulating fermentation device uses a low-speed stirrer for slow stirring and a circulating component for material circulation, which increases the contact area between microorganisms and oxygen and makes full use of the microorganisms in the lower layer to achieve continuous production.
This shortened the fermentation time of kombucha, improved fermentation efficiency, and enabled continuous production of kombucha and improved the quality of the fermentation liquid.
Smart Images

Figure CN224212635U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a fermentation device, and more particularly to a kombucha circulating fermentation device and kombucha circulating fermentation equipment. Background Technology
[0002] Kombucha is a fermented tea beverage, typically made from black or green tea. It contains various yeasts and bacteria, as well as organic acids, active enzymes, amino acids, and polyphenols produced by these microorganisms. It is rich in vitamins such as B3 and B12 and has benefits such as fighting cardiovascular disease, improving digestion, stimulating the immune system, and reducing inflammation.
[0003] Currently, kombucha production mainly relies on containers such as barrels and jars for static fermentation. After fermentation, the mycelial cake and liquid on the surface of the container are harvested. However, this method results in an excessively long fermentation time for kombucha, failing to improve fermentation efficiency.
[0004] Therefore, how to shorten the fermentation time of kombucha and improve its fermentation efficiency is an urgent problem to be solved. Utility Model Content
[0005] To address the shortcomings mentioned above, this utility model provides a kombucha circulating fermentation device and equipment that can shorten the fermentation time of kombucha and improve the fermentation efficiency of kombucha.
[0006] To achieve the above objectives, in a first aspect, this utility model provides a kombucha circulating fermentation device, comprising a shell, a fermentation tank, a heating component, a cooling component, a feeding port, and a fermentation liquid outlet component. The shell surrounds the outside of the fermentation tank. The heating component is disposed on the shell and injects an external heating medium into the area between the shell and the fermentation tank. The cooling component is disposed on the shell and injects an external cooling medium into the area between the shell and the fermentation tank. The fermentation liquid outlet component and the feeding port are respectively connected to the shell and the fermentation tank. The device also includes a circulation component and a low-speed stirrer.
[0007] The stirring section of the low-speed stirrer is located inside the fermentation tank;
[0008] Both the output end and the return end of the circulation component are connected to the interior of the fermenter.
[0009] In one embodiment, the low-speed stirrer further includes a connecting part connected to the stirring part, the connecting part being located outside the fermenter and connected to an external drive device.
[0010] In one embodiment, the circulation assembly includes a circulation pipeline and a circulation pump installed on the circulation pipeline, wherein the output end passes through the interior of the outer shell and communicates with the interior of the fermenter, and the return end passes through the feed port and communicates with the interior of the fermenter.
[0011] In one embodiment, the outer shell includes a top cover a, a housing a, and a support leg. The top cover a is fastened to the top end face of the housing a, and the support leg is disposed on the bottom end face of the housing a. The first feed inlet, the vent, and the exhaust outlet of the feeding port are all opened on the top cover a. The liquid outlet of the fermentation liquid outlet component, the heating inlet and the heating outlet of the heating component, and the cooling inlet and the cooling outlet of the cooling component are all opened on the housing a.
[0012] In one embodiment, the fermenter includes a top cover b and a shell b, the top cover b being fastened to the top end face of the shell b, wherein the second feed port of the feeding port is opened on the top cover b, the liquid injection port of the fermentation liquid outlet assembly is opened on the shell b, the stirring part is located inside the shell b, and the connecting part passes through the shell b and the shell a and is connected to the driving device.
[0013] In one embodiment, the positions of the first feed inlet and the second feed inlet correspond to each other;
[0014] The fermentation broth outlet assembly also includes a liquid outlet pipeline, which is connected to the liquid injection port and the liquid outlet respectively.
[0015] In one embodiment, a filter screen is also provided inside the fermenter, wherein the filter screen is located above the low-speed stirrer.
[0016] In one embodiment, a pressure-temperature gauge is also provided on the upper cover a.
[0017] Secondly, this utility model also provides a kombucha circulating fermentation device, including the above-mentioned kombucha circulating fermentation device, driving device, heating medium generating device, cooling medium generating device and filling device, wherein the low-speed stirrer is connected to the driving device, the heating component is connected to the heating medium generating device through a pipeline, the cooling component is connected to the cooling medium generating device through a pipeline, and the fermentation liquid outlet component is connected to the filling device.
[0018] In one embodiment, a feeding device is also included, wherein a portion of the feeding device is placed in the feeding port.
[0019] Compared with the prior art, the present invention has one of the following advantages:
[0020] By adding a low-speed stirrer, the kombucha fermentation liquid in the fermentation tank can be slowly stirred, increasing the contact area between microorganisms and kombucha fermentation liquid, so that the kombucha fermentation liquid can fully contact oxygen during the fermentation process, improving fermentation efficiency and shortening fermentation time.
[0021] By adding a circulation component, the fermentation liquid can be circulated, enabling continuous production of kombucha fermentation. This allows for full utilization of the abundant microorganisms in the lower layer, improving fermentation efficiency and shortening fermentation time. Attached Figure Description
[0022] Figure 1 This is a cross-sectional view of the kombucha circulating fermentation device in this embodiment;
[0023] Figure 2 This is a perspective view of the outer casing in this embodiment;
[0024] Figure 3 for Figure 2 Front view of the inner shell;
[0025] Figure 4 for Figure 2 Top view;
[0026] Figure 5 This is a structural block diagram of the kombucha circulating fermentation equipment in this embodiment.
[0027] The main reference numerals are as follows:
[0028] 1-Outer shell; 100-Top cover a; 101-Shell a; 102-Support leg; 103-First feed inlet; 104-Heating inlet; 105-Heating outlet; 106-Cooling inlet; 107-Cooling outlet; 108-Exhaust port; 109-Ventilation port; 110-Liquid injection port; 111-Liquid outlet; 112-Connecting pipe; 2-Fermentation tank; 200-Top cover b; 201-Shell b; 202-Second feed inlet; 3-Stirring blade; 5-Circulation pipeline; 6-Circulation pump; 7-Filter screen; 8-Pressure and temperature gauge; 9-Kombucha circulating fermentation device; 10-Drive device; 11-Heating medium generator; 12-Cooling medium generator; 13-Feeding device; 14-Filling device. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] This utility model provides a kombucha circulating fermentation device, including a shell, a fermentation tank, a heating component, a cooling component, a feeding port, and a fermentation liquid outlet component. The shell surrounds the fermentation tank. The heating component is mounted on the shell and injects external heating medium into the area between the shell and the fermentation tank. The cooling component is mounted on the shell and injects external cooling medium into the area between the shell and the fermentation tank. The fermentation liquid outlet component and the feeding port are respectively connected to the shell and the fermentation tank. The device also includes a circulation component and a low-speed stirrer.
[0031] The mixing section of the low-speed agitator is located inside the fermenter;
[0032] Both the output and return ends of the circulation component are connected to the interior of the fermenter.
[0033] This invention adds a low-speed stirrer to slowly stir the kombucha fermentation liquid in the fermentation tank, increasing the contact area between microorganisms and kombucha fermentation liquid, so that the kombucha fermentation liquid can fully contact oxygen during the fermentation process.
[0034] This invention adds a circulation component to facilitate the circulation of the fermentation liquid, enabling continuous production of kombucha fermentation and making full use of the abundant microorganisms in the lower layer for fermentation.
[0035] Example 1
[0036] like Figures 1 to 4 As shown, this embodiment provides a kombucha circulating fermentation device, including a shell 1, a fermentation tank 2, a heating component, a cooling component, a feeding port, a fermentation liquid outlet component, a circulation component, and a low-speed stirrer.
[0037] Specifically, the outer casing 1 includes a top cover a100, a housing a101, and a support leg 102. The top cover a100 is movably fastened to the top end face of the housing a101, and the support leg 102 is disposed on the bottom end face of the housing a101.
[0038] Furthermore, the interior of the upper cover a100 is a concave spherical structure, and the top end face is a convex spherical structure. The interior of the shell a101 is a hollow structure, and the top end face is an open structure.
[0039] Preferably, there are three legs 102, which are arranged circumferentially at equal intervals around the center of the housing a101.
[0040] Specifically, the fermentation tank 2 includes a top cover b200 and a shell b201, with the top cover b200 movably fastened to the top end face of the shell b201. When the fermentation tank 2 is placed inside the outer shell 1, the outer shell 1 and the fermentation tank 2 are coaxially arranged, and a gap area is formed between the outer shell 1 and the fermentation tank 2.
[0041] Furthermore, the interior of the upper cover b200 is a concave spherical structure, and the top end face is a convex spherical structure. The interior of the shell b201 is a hollow structure, and the top end face is an open structure.
[0042] Specifically, the feeding port is used to directly add raw tea broth and / or circulating liquid during the fermentation process without stopping production. The feeding port includes a first feeding port 103 and a second feeding port 202 with identical structures. The first feeding port 103, the vent 109, and the exhaust port 108 are all located on the upper cover a100, while the second feeding port 202 is located on the upper cover b200. Furthermore, the positions of the first feeding port 103 and the second feeding port 202 correspond to each other.
[0043] Specifically, the heating assembly is used to inject and discharge high-temperature heating media, which can not only heat the fermenter 2, but also sterilize the inner wall of the outer shell 1, the outer wall of the fermenter 2, and the interval area between them. The heating assembly includes a heating inlet 104 and a heating outlet 105 with identical structures, wherein both the heating inlet 104 and the heating outlet 105 are opened on the side wall of the shell a101.
[0044] Furthermore, the heating inlet 104 and the heating outlet 105 are located on the first side wall and the second side wall of the housing a101, respectively, and the heating inlet 104 is located higher than the heating outlet 105.
[0045] When the heating inlet 104 is connected to an external heating medium generating device, the generated heating medium is injected into the interval area through the heating inlet 104. The heating medium comes into contact with the outer wall of the fermenter 2, thereby heating the fermenter 2.
[0046] When heating fermenter 2, the following two methods are used:
[0047] Method 1:
[0048] With the heating outlet 105 closed, the heating medium is injected into the interval area through the heating inlet 104. When the heating medium fills the interval area, the fermenter 2 is fully heated, and the interval area can also be sterilized at high temperature.
[0049] Method 2:
[0050] With the heating outlet 105 in the open state, the heating medium is continuously injected into the interval area through the heating inlet 104. When the heating medium is transferred to the heating outlet 105, it comes into full contact with the outer wall of the fermenter 2, fully heating the fermenter 2. At the same time, the interval area can also be sterilized at high temperature.
[0051] Specifically, the cooling assembly can inject a cooling medium into the interval area to cool it down promptly after high-temperature sterilization, allowing the interval area to reach a suitable temperature in a short time. The cooling assembly includes a cooling inlet 106 and a cooling outlet 107 with identical structures. Both the cooling inlet 106 and the cooling outlet 107 are located on the side wall of the housing a101.
[0052] Furthermore, the cooling inlet 106 and the cooling outlet 107 are located on the first side wall and the second side wall of the housing a101, respectively, and the cooling inlet 106 is located lower than the cooling outlet 107.
[0053] When the cooling inlet 106 is connected to an external cooling medium generating device, the generated cooling medium is injected into the interval area through the cooling inlet 106. The cooling medium comes into contact with the outer wall of the fermenter 2, thereby cooling the fermenter 2 and the interval area.
[0054] When cooling fermenter 2, the following two methods are used:
[0055] Method 1:
[0056] With the cooling outlet 107 closed, the cooling medium is injected into the interval area through the cooling inlet 106. When the cooling medium fills the interval area, it cools the fermenter 2 and the interval area.
[0057] Method 2:
[0058] With the cooling outlet 107 in the open state, the cooling medium is continuously injected into the interval area through the cooling inlet 106. When the cooling medium is transferred to the cooling outlet 107, it comes into full contact with the outer wall of the fermenter 2, thereby cooling the fermenter 2 and the interval area.
[0059] Specifically, both the exhaust port 108 and the vent 109 are located on the upper cover a100 and are connected to the interval area.
[0060] Air can be introduced through the vent 109 to meet the oxygen requirements of microorganisms. Excess CO2 produced during fermentation can be discharged through the exhaust vent 108 to maintain oxygen partial pressure and CO2 partial pressure, thereby promoting microbial growth and completing the fermentation process as quickly as possible.
[0061] Specifically, the fermentation broth outlet assembly includes an injection port 110, an outlet 111, and a connecting pipe 112. The injection port 110 is located on the side wall of the shell b201, and the outlet 111 is located on the side wall of the shell a101. The positions of the injection port 110 and the outlet 111 correspond to each other. The connecting pipe 112 is located in the interval area and is connected to the injection port 110 and the outlet 111 respectively, so that the fermentation broth in the fermenter 2 can be exported through the fermentation broth outlet assembly.
[0062] Furthermore, when the outlet 111 is connected to the external filling device, the finished kombucha is discharged from the fermentation tank 2 and stored in the filling device for filling.
[0063] Specifically, a low-speed stirrer is used to slowly stir the kombucha fermentation liquid in fermentation tank 2, increasing the contact area between microorganisms and the kombucha fermentation liquid, allowing the kombucha fermentation liquid to have sufficient contact with oxygen during the fermentation process. The low-speed stirrer includes stirring blades 3 (i.e., the stirring part) located inside fermentation tank 2, and a connecting part 4 connected to the stirring blades 3 and located on the outside of fermentation tank 2. The connecting part 4 extends from the inside to the outside of the shell a101, passing through the interval area and connecting to an external drive device, thereby driving the stirring blades 3 to rotate at a low speed inside fermentation tank 2.
[0064] Specifically, the circulation component is used to circulate the fermentation broth. When the broth is added, there are fewer microorganisms in the upper layer, allowing the more abundant microorganisms in the lower layer to be utilized for fermentation, thus fully utilizing the fermentation raw materials in the broth and making the fermentation more complete. The circulation component includes a circulation pipe 5 and a circulation pump 6 installed on the circulation pipe 5. The circulation pipe 5 includes an output end and a return end. The output end passes through the bottom and partition area of the shell a101 and is placed inside the shell b201, communicating with the interior of the shell b201. The return end passes through the top and partition area of the shell a101 and is placed inside the shell b201, communicating with the interior of the shell b201. Through the circulation pump 6 and the circulation pipe 5, the fermentation broth in the fermenter 2 can be circulated for fermentation, improving the quality of the fermentation broth.
[0065] Furthermore, after the reflux end passes through the first feed inlet 103 and the second feed inlet 202 in sequence, the fermentation liquid is injected back into the interior of the fermentation tank 2.
[0066] In this embodiment, a filter screen 7 is further provided inside the fermentation tank 2, wherein the filter screen 7 is located above the low-speed stirrer.
[0067] The filter screen 7 is preferably a 200-mesh filter screen, which is conducive to the growth of kombucha mycelium film. When the mycelium film grows to a certain thickness, it is easy to remove it. At the same time, it is also easy to filter out a small amount of tea residue.
[0068] In this embodiment, a pressure and temperature gauge 8 is further provided on the upper cover a100.
[0069] The pressure and temperature gauge 8 can display the pressure and temperature values during the fermentation process, preventing excessive pressure from causing the tank to swell and excessively high or low temperatures from affecting the growth of microorganisms.
[0070] In this embodiment, the heating medium can be heating steam, the cooling medium can be low-temperature cold water, and the low-speed stirrer can be any existing stirrer. The structure of the stirrer is not limited.
[0071] The operation steps in this embodiment are as follows:
[0072] 1. Sterilization: Inject steam at 135℃ for at least 1 minute;
[0073] 2. Cooling: Inject low-temperature cooling water to rapidly cool down to 37℃.
[0074] 3. Feeding: Inject tea water and fermentation starter through the feeding port;
[0075] 4. Heating: Continuously inject heating steam to ensure a constant temperature for fermentation production;
[0076] 5. The liquid is slowly stirred by a low-speed agitator and circulated by a circulation component;
[0077] 6. After fermentation for 3-4 days, promptly bottle the kombucha and store it at a low temperature;
[0078] 7. After about one month of continuous production, production is stopped for thorough sterilization to maintain the stability of the bacterial strain and prevent contamination.
[0079] Example 2
[0080] like Figure 5 As shown, this embodiment provides a kombucha circulating fermentation device, including the kombucha circulating fermentation device 9, drive device 10, heating medium generating device 11, cooling medium generating device 12, feeding device 13 and filling device 14 described in Embodiment 1.
[0081] Specifically, a low-speed stirrer is connected to the drive unit 10 to control its slow rotation. A heating medium generator 11 is connected to the heating assembly via a pipeline, injecting heating steam into the interval area for high-temperature sterilization or to heat the fermentation tank. A cooling medium generator 12 is connected to the cooling assembly via a pipeline, injecting cooling medium into the interval area to cool it down and ensure rapid temperature reduction. The output end of the feeding device 13 is placed in the feeding port for easy replenishment of new liquid into the fermentation tank. The fermentation tank is connected to the filling device 14 via the fermentation liquid outlet assembly for easy bottling and storage of the fermented kombucha.
[0082] Preferably, the heating medium generating device 11 is a steam generating device, and the cooling medium generating device 12 is a low-temperature cold water generating device.
[0083] The above description is merely a preferred embodiment of the present utility model and is illustrative rather than restrictive. Those skilled in the art will understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the present utility model, all of which will fall within the protection scope of the present utility model.
Claims
1. A kombucha circulating fermentation device, comprising an outer shell, a fermentation tank, a heating component, a cooling component, a feeding port, and a fermentation liquid outlet component, wherein, The outer shell surrounds the outside of the fermentation tank. The heating component is disposed on the outer shell and injects an external heating medium into the area between the outer shell and the fermentation tank. The cooling component is disposed on the outer shell and injects an external cooling medium into the area between the outer shell and the fermentation tank. The fermentation liquid outlet component and the feeding port are respectively connected to the outer shell and the fermentation tank. The system is characterized by further including a circulation component and a low-speed stirrer, wherein: The stirring section of the low-speed stirrer is located inside the fermentation tank; Both the output end and the return end of the circulation component are connected to the interior of the fermenter.
2. The kombucha circulating fermentation device according to claim 1, characterized in that, The low-speed stirrer also includes a connecting part connected to the stirring part. The connecting part is located on the outside of the fermentation tank and is connected to an external drive device.
3. The kombucha circulating fermentation device according to claim 2, characterized in that, The circulation assembly includes a circulation pipeline and a circulation pump installed on the circulation pipeline. The output end passes through the interior of the outer shell and communicates with the interior of the fermenter, while the return end passes through the feed port and communicates with the interior of the fermenter.
4. The kombucha circulating fermentation device according to claim 3, characterized in that, The outer casing includes a top cover a, a housing a, and a support leg. The top cover a is fastened to the top end face of the housing a, and the support leg is disposed on the bottom end face of the housing a. The first feed inlet, the vent, and the exhaust outlet of the feeding port are all opened on the top cover a. The liquid outlet of the fermentation liquid outlet component, the heating inlet and the heating outlet of the heating component, and the cooling inlet and the cooling outlet of the cooling component are all opened on the housing a.
5. The kombucha circulating fermentation device according to claim 4, characterized in that, The fermenter includes a top cover b and a shell b. The top cover b is fastened to the top end face of the shell b. The second feed port of the feeding port is opened on the top cover b. The liquid injection port of the fermentation liquid outlet assembly is opened on the shell b. The stirring part is located inside the shell b. The connecting part passes through the shell b and the shell a and is connected to the driving device.
6. The kombucha circulating fermentation device according to claim 5, characterized in that, The positions of the first feed inlet and the second feed inlet correspond to each other; The fermentation broth outlet assembly also includes a liquid outlet pipeline, which is connected to the liquid injection port and the liquid outlet respectively.
7. The kombucha circulating fermentation device according to claim 6, characterized in that, A filter screen is also provided inside the fermenter, and the filter screen is located above the low-speed stirrer.
8. The kombucha circulating fermentation device according to claim 7, characterized in that, A pressure and temperature gauge is also installed on the upper cover a.
9. A kombucha circulating fermentation device, characterized in that, The device includes a kombucha circulating fermentation apparatus, a driving device, a heating medium generating device, a cooling medium generating device, and a filling device as described in any one of claims 1 to 8, wherein the low-speed stirrer is connected to the driving device, the heating component is connected to the heating medium generating device through a pipeline, the cooling component is connected to the cooling medium generating device through a pipeline, and the fermentation liquid outlet component is connected to the filling device.
10. The kombucha circulating fermentation equipment according to claim 9, characterized in that, It also includes a feeding device, wherein a portion of the feeding device is placed in the feeding port.