Multistage membrane concentration device for tea polyphenol extraction
By designing a multi-stage membrane concentration device for tea polyphenol extraction, which includes a crushing and multi-stage filtration system, the problem of low extraction efficiency of tea polyphenols has been solved, achieving efficient extraction of tea polyphenols and reducing waste.
Patent Information
- Application Number
- CN202520026901.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing tea polyphenol extraction devices are inefficient, resulting in incomplete extraction of tea polyphenols and requiring multiple soakings, leading to waste.
Design a multi-stage membrane concentration device for tea polyphenol extraction, including a pulverizing device and a multi-stage filtration membrane system. The extraction efficiency is improved by pulverizing tea leaves and using primary and secondary filtration membranes, and the membranes are easy to disassemble and replace.
This method improves the extraction efficiency of tea polyphenols, reduces waste, ensures filtration effectiveness, and achieves highly efficient tea polyphenol extraction.
Smart Images

Figure CN223732331U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tea polyphenol extraction technology, specifically a multi-stage membrane concentration device for tea polyphenol extraction. Background Technology
[0002] Tea polyphenols, primarily catechins, in tea have antioxidant, anti-aging, anti-radiation, anti-tumor, antibacterial, disinfection, and immune-boosting functions. They are widely used in the pharmaceutical, health, and food industries. For example, patent CN221867461U discloses a tea polyphenol extraction device, including: a first connecting cover, a rotating shaft, a second connecting cover, and a transmission shaft. The second connecting cover is disposed on the upper outer wall of the first connecting cover. A first connecting tube is inserted and installed on one side of the inner wall of both the first and second connecting covers. A [further details about the device are needed for accurate translation.] The second connecting pipe has electric push rods installed on both sides of the lower outer wall of the first connecting cover, and a rotating shaft rotatably installed on one side of the upper inner wall of the second connecting cover. A fitting block is installed on the lower outer wall of the rotating shaft, and a drive shaft is provided on the outside of the fitting block. Connecting pipes are installed on both sides of the outer wall of the drive shaft. By setting up the motor body, drive shaft and electric push rods, the tea residue is easily cleaned, and the soaking device can quickly carry out the next round of filtration. However, the tea polyphenols in tea leaves usually cannot be completely soaked out. For whole tea leaves, multiple soakings are usually required, resulting in low extraction efficiency.
[0003] Therefore, this utility model provides a multi-stage membrane concentration device for extracting tea polyphenols. Utility Model Content
[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a multi-stage membrane concentration device for tea polyphenol extraction, thereby solving the problems mentioned in the background section. This invention can pulverize tea leaves, thereby improving the efficiency of tea polyphenol extraction and reducing tea polyphenol waste; it can filter tea polyphenols and facilitates the disassembly and replacement of the primary and secondary filter membranes, ensuring the filtration effect of the primary and secondary filter membranes on tea polyphenols.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a multi-stage membrane concentration device for extracting tea polyphenols, comprising a barrel body, a barrel cover mounted on the barrel body, a soaking barrel fixed inside the barrel body, a pulverizing device and a filtering device installed inside the soaking barrel, the filtering device comprising a filtering barrel corresponding to the barrel cover, a snap-fit fixing structure installed between the filtering barrel and the soaking barrel, the soaking barrel being connected to the barrel body, a fixing plate installed inside the barrel body, a primary filter membrane and a secondary filter membrane snap-fitted and fixed between the fixing plate and the barrel body, and a first discharge port, a second discharge port and a water outlet opened at the bottom of the barrel body.
[0006] Furthermore, a water pipe is installed inside the bucket lid, and a spray head is fixed to one end of the water pipe. The spray head is located inside the filter bucket.
[0007] Furthermore, a motor is fixed to the lower side of the barrel, and multiple crushing blades are fixed to the output end of the motor. The crushing blades are located inside the filter barrel.
[0008] Furthermore, the soaking tank has multiple connecting ports on its periphery, and solenoid valves are installed in the connecting ports, the first discharge port, the second discharge port, and the water outlet.
[0009] Furthermore, the snap-fit fixing structure includes a first snap groove formed inside the soaking tank, and a first snap block fixed on the filter tank, with the first snap block corresponding to the first snap groove.
[0010] Furthermore, the fixing plate is threadedly fitted to the barrel body and the soaking barrel.
[0011] Furthermore, two second slots are provided on the lower side of the fixing plate and the bottom of the barrel. Second blocks are fixed on the upper and lower sides of the primary filter membrane and the secondary filter membrane, and the second blocks correspond to the second slots.
[0012] Furthermore, the first discharge port is located between the primary filter membrane and the soaking tank, the second discharge port is located between the primary filter membrane and the secondary filter membrane, and the water outlet is located between the secondary filter membrane and the tank body.
[0013] The beneficial effects of this utility model are as follows: This utility model provides a multi-stage membrane concentration device for extracting tea polyphenols, comprising an soaking tank; a crushing device; a filtering device; a fixing plate; a tank body; a primary filter membrane; and a secondary filter membrane.
[0014] A pulverizing and filtering device is installed inside the steeping tank to pulverize the tea leaves, thereby improving the efficiency of tea polyphenol extraction and reducing tea polyphenol waste. A primary and secondary filter membrane are installed between the fixing plate and the tank body to filter out tea polyphenols and facilitate the disassembly and replacement of the primary and secondary filter membranes, ensuring the filtration effect of the primary and secondary filter membranes on tea polyphenols. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall assembly three-dimensional structure of a multi-stage membrane concentration device for tea polyphenol extraction according to this utility model;
[0016] Figure 2 This is a schematic diagram of the overall assembly cross-sectional structure of a multi-stage membrane concentration device for tea polyphenol extraction according to this utility model.
[0017] Figure 3 for Figure 2 A schematic diagram at point A in the middle;
[0018] Figure 4 for Figure 2 A schematic diagram at point B in the middle;
[0019] In the diagram: 1. Barrel body; 2. Motor; 3. Barrel lid; 4. Fixing plate; 5. First slot; 6. Second slot; 7. Primary filter membrane; 8. Secondary filter membrane; 9. First discharge port; 10. Second discharge port; 11. Water outlet; 12. Filter barrel; 13. Water pipe; 14. First locking block; 15. Second locking block; 16. Spray head; 17. Crushing blade; 18. Connecting port; 19. Solenoid valve; 20. Soaking barrel. Detailed Implementation
[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0021] Please see Figures 1 to 4 This utility model provides a technical solution: a multi-stage membrane concentration device for extracting tea polyphenols, including a barrel body 1, a barrel cover 3 installed on the barrel body 1, an soaking barrel 20 fixed inside the barrel body 1, a crushing device and a filtering device installed inside the soaking barrel 20, the filtering device including a filtering barrel 12, the filtering barrel 12 corresponding to the barrel cover 3, a snap-fit fixing structure installed between the filtering barrel 12 and the soaking barrel 20, the soaking barrel 20 being connected to the barrel body 1, a fixing plate 4 installed inside the barrel body 1, a primary filter membrane 7 and a secondary filter membrane 8 snap-fitted and fixed between the fixing plate 4 and the barrel body 1, and a first discharge port 9, a second discharge port 10 and a water outlet 11 opened at the bottom of the barrel body 1.
[0022] In this embodiment, a water pipe 13 is installed inside the bucket lid 3. A spray head 16 is fixed to one end of the water pipe 13. The spray head 16 is located inside the filter bucket 12. A motor 2 is fixed to the lower side of the bucket body 1. Multiple crushing blades 17 are fixed to the output end of the motor 2. The crushing blades 17 are located inside the filter bucket 12.
[0023] Specifically, when it is necessary to extract tea polyphenols, the lid 3 is removed, the tea leaves are placed in the steeping tank 20, the filter tank 12 is inverted, the motor 2 is started, and the motor 2 drives the crushing blade 17 to crush the tea leaves. Then, hot water is sent in through the water pipe 13 and the spray head 16 for steeping, and the tea polyphenols can be extracted.
[0024] The soaking tank 20 has multiple connecting ports 18 on its periphery. Solenoid valves 19 are installed in the connecting ports 18, the first discharge port 9, the second discharge port 10 and the water outlet 11.
[0025] The tea is steeped in the steeping tank 20. When the solenoid valve 19 is opened, the tea can flow out, which facilitates the purification of tea polyphenols.
[0026] The snap-fit fixing structure includes a first snap groove 5 opened in the soaking tank 20, and a first snap block 14 fixed on the filter tank 12, the first snap block 14 corresponding to the first snap groove 5.
[0027] Specifically, the filter barrel 12 is secured by the first locking block 14 and the first locking groove 5, thereby facilitating the installation and disassembly of the filter barrel 12.
[0028] The fixing plate 4 is threadedly engaged with the barrel 1 and the soaking barrel 20. Two second slots 6 are provided on the lower side of the fixing plate 4 and the bottom inside the barrel 1. The upper and lower sides of the primary filter membrane 7 and the secondary filter membrane 8 are fixed with second blocks 15, which correspond to the second slots 6. The first discharge port 9 is located between the primary filter membrane 7 and the soaking barrel 20, the second discharge port 10 is located between the primary filter membrane 7 and the secondary filter membrane 8, and the water outlet 11 is located between the secondary filter membrane 8 and the barrel 1.
[0029] Specifically, tea polyphenols can be filtered out by the primary filter membrane 7 and the secondary filter membrane 8, thereby achieving the purification of tea polyphenols.
[0030] When it is necessary to disassemble the primary filter membrane 7 and the secondary filter membrane 8, rotate the fixing plate 4 to remove the fixing plate 4. At the same time, pull the primary filter membrane 7 and the secondary filter membrane 8 upward with the fixing plate 4 to remove the primary filter membrane 7 and the secondary filter membrane 8, thereby realizing the replacement of the primary filter membrane 7 and the secondary filter membrane 8.
[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A tea polyphenol extraction multi-stage membrane concentration device comprising a barrel (1), characterized in that, The barrel body (1) is provided with a barrel cover (3), the barrel body (1) is fixed with a soaking barrel (20), the soaking barrel (20) is provided with a crushing device and a filtering device, the filtering device comprises a filtering barrel (12), the filtering barrel (12) corresponds to the barrel cover (3), the filtering barrel (12) and the soaking barrel (20) are provided with a clamping fixing structure, the soaking barrel (20) is communicated with the barrel body (1), the barrel body (1) is provided with a fixed plate (4), the fixed plate (4) and the barrel body (1) are clamped and fixed with a first filter membrane (7) and a second filter membrane (8), the barrel body (1) is provided with a first discharge port (9), a second discharge port (10) and a water outlet (11).
2. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The barrel cover (3) is provided with a water pipe (13), one end of the water pipe (13) is fixed with a spray head (16), and the spray head (16) is located in the filtering barrel (12).
3. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The barrel body (1) is fixed with a motor (2) on the lower side, and the output end of the motor (2) is fixed with a plurality of crushing blades (17), and the crushing blades (17) are located in the filtering barrel (12).
4. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The soaking barrel (20) is provided with a plurality of communication ports (18) on the side, and the communication ports (18), the first discharge port (9), the second discharge port (10) and the water outlet (11) are all provided with electromagnetic valves (19).
5. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The clamping fixing structure comprises a first clamping groove (5) formed in the soaking barrel (20), and the filtering barrel (12) is fixed with a first clamping block (14), and the first clamping block (14) corresponds to the first clamping groove (5).
6. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The fixed plate (4) is threadedly connected with the barrel body (1) and the soaking barrel (20).
7. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The lower side of the fixed plate (4) and the bottom of the barrel body (1) are both provided with two second clamping grooves (6), and the upper and lower sides of the first filter membrane (7) and the second filter membrane (8) are both fixed with second clamping blocks (15), and the second clamping blocks (15) correspond to the second clamping grooves (6).
8. The tea polyphenol extraction multi-stage membrane concentration device according to claim 1, characterized in that: The first discharge port (9) is located between the first filter membrane (7) and the soaking barrel (20), the second discharge port (10) is located between the first filter membrane (7) and the second filter membrane (8), and the water outlet (11) is located between the second filter membrane (8) and the barrel body (1).
Citation Information
Patent Citations
Tea polyphenol extraction device
CN221867461U