Seed fermenter
The design of the quick-release filter and backwashing mechanism solves the problem of easy clogging of the filter in the seed fermentation tank, enabling efficient cleaning and replacement, improving fermentation efficiency and purity, and reducing operational complexity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAMEN STIFENGNI PHARM COMPLETE EQUIP CO LTD
- Filing Date
- 2025-08-18
- Publication Date
- 2026-07-14
Smart Images

Figure CN224494183U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fermenters, and in particular to a seed fermenter. Background Technology
[0002] A seed fermenter, also known as a seed tank, is a fully enclosed, hygienic fermentation device primarily used for the cultivation and fermentation of microorganisms in the production of yogurt, lactic acid bacteria beverage mother liquor, and in the pharmaceutical and chemical industries. The use of this equipment can significantly improve the production efficiency of the fermenter. The operation process of a seed tank typically includes steps such as tank sterilization, cooling, installation, aeration, parameter adjustment, seed inoculation, fermentation start-up, parameter recording, and cleaning after fermentation.
[0003] In practical applications of seed fermenters, a filter screen is typically installed at the bottom of the fermenter to effectively intercept solid impurities generated during fermentation, ensuring the purity of the fermentation broth. However, the filter screen is prone to clogging during use. As various particles and precipitates are continuously produced during fermentation, these substances easily accumulate on the filter screen, causing the pores to narrow or even completely clog, thus affecting the smooth discharge of the fermentation broth. Filter screen clogging not only reduces fermentation efficiency but, in severe cases, may even threaten the normal operation of the fermenter.
[0004] The problem of clogged filters necessitates cleaning after each fermentation cycle. Cleaning is not only time-consuming and labor-intensive, but incomplete cleaning can leave residues that negatively impact subsequent fermentation processes. Current cleaning methods, such as manual rinsing, while simple to operate, have limited effectiveness. Replacing the stirring head with a cleaning brush improves efficiency to some extent, but the brushes wear out easily, leading to higher replacement costs and increasing operational complexity. Utility Model Content
[0005] The main objective of this invention is to provide a seed fermentation tank that can effectively solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] A seed fermentation tank includes a tank body, a sealing cover, a reducer, a servo motor, a stirring rod, and stirring blades. The reducer is mounted on the tank body through the sealing cover, the servo motor is connected to the reducer, and the stirring blades are connected to the output end of the reducer through the stirring rod.
[0008] The lower end of the tank is equipped with a disassembly tank, and the side wall of the disassembly tank is provided with a side frame. The opening of the side frame is connected to a drawer-type insert plate, and the end face of the drawer-type insert plate is provided with a filter screen. The servo motor drives the stirring blade to move, thereby clearing the blockage on the surface of the filter screen.
[0009] The side wall of the disassembly tank is connected to a liquid inlet pipe, and the inside of the disassembly tank is connected to an arc-shaped pipe through the liquid inlet pipe. The upper end of the arc-shaped pipe is equipped with multiple nozzles. The outer end of the liquid inlet pipe is connected to a backwash pump, and the other end of the backwash pump is connected to a delivery pipe, on which an electrically controlled valve is installed.
[0010] In a further alternative, the disassembly tank and the side frame are designed as a single unit. The outer port of the side frame is provided with a protrusion block, and the protrusion block is provided with a mounting hole. The cross-section of the drawer-type insert is designed in the shape of a "T". The outer end of the drawer-type insert is provided with a mating round hole, which is directly opposite the mounting hole. Bolts are used to connect the drawer-type insert and the side frame.
[0011] In a further alternative, the disassembly tank and the tank body are connected by a connecting flange and bolts, and a sealing ring is provided at the connection between the disassembly tank and the tank body; a sealing strip is provided at the connection between the drawer-type insert plate and the side frame; and a sealing ring is provided at the connection between the tank body and the sealing cover.
[0012] A further alternative is that the filter screen is welded to the drawer-type insert plate, and a sealing strip is provided at the connection between the drawer-type insert plate and the disassembly tank to prevent the seed fermentation liquid from seeping in;
[0013] In a further optional embodiment, the liquid inlet pipe and the disassembly tank are fixed by bolts, and a sealing ring is provided at the connection. The liquid inlet pipe and the arc-shaped pipe are designed as an integral unit. The top view of the arc-shaped pipe is a "C" shape design. The arc-shaped pipe is coaxial with the filter screen and the disassembly tank. Multiple nozzles are distributed in a ring on the arc-shaped pipe. The filter screen is cleaned by spraying liquid through the nozzles.
[0014] In a further alternative, the backwash pump is connected to the inlet pipe and the delivery pipe via a connecting flange, and an instrument, namely a flow meter, is installed on the delivery pipe. The electrically controlled valve is a ball valve.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] The design of the disassembly tank makes the connection between the disassembly tank and the tank body flexible and convenient. It not only facilitates daily maintenance and cleaning, but also helps to quickly operate when it is necessary to replace the filter screen or perform internal equipment inspection, reducing downtime and improving the efficiency of equipment use.
[0017] The application of quick-release filters significantly improves filtration efficiency. The filters are welded to a drawer-type insert, ensuring a stable structure that effectively filters out impurities generated during seed fermentation, guaranteeing the purity of the fermentation broth. Simultaneously, the quick-release design makes cleaning or replacing the filters easier and faster, reducing operational difficulty and ensuring a smooth fermentation process.
[0018] The backwashing mechanism further enhances the equipment's cleaning capabilities. By periodically activating the backwash pump, the spray nozzles evenly clean the filter screen, effectively removing clogged material and impurities from its surface and ensuring continuous, efficient filtration. This design not only extends the filter's lifespan but also improves the stability and reliability of the fermentation process. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a partial structural illustration of the present invention;
[0021] Figure 3 This is an exploded view of the disassembly tank, drawer-type slide, arc-shaped pipe, and backwash pump of this utility model;
[0022] Figure 4 This is a top view of the disassembly tank, drawer-type insert, arc-shaped pipe, and backwash pump of this utility model.
[0023] In the diagram: 1. Tank body; 2. Sealing cover; 3. Reducer; 4. Servo motor; 5. Stirring rod; 6. Stirring blade; 7. Disassembly tank; 8. Side frame; 9. Drawer-type slide plate; 10. Filter screen; 11. Arc-shaped pipe; 12. Nozzle; 13. Liquid inlet pipe; 14. Backwash pump; 15. Liquid delivery pipe; 16. Electrically controlled valve. Detailed Implementation
[0024] 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.
[0025] like Figure 1 - Figure 4 As shown, a seed fermentation tank mainly includes a tank body 1, a sealing cover 2, a reducer 3, a servo motor 4, a stirring rod 5, and a stirring blade 6. The reducer 3 is mounted on the top of the tank body 1 via the sealing cover 2, ensuring the equipment's sealing and stability. The servo motor 4 is connected to the reducer 3, enabling precise adjustment of the stirring speed through accurate control. The stirring blade 6 is connected to the output end of the reducer 3 via the stirring rod 5, ensuring uniform and efficient stirring.
[0026] A disassembly tank 7 is installed at the lower end of the tank body 1. A side frame 8 is provided on the side wall of the disassembly tank 7, and a drawer-type insert 9 is connected to the opening of the side frame 8. A filter screen 10 is provided on the end face of the drawer-type insert 9. The function of the filter screen 10 is to filter out impurities generated during seed fermentation, ensuring the purity of the fermentation liquid. A servo motor 4 drives the stirring blade 6 to move, thereby clearing the blockage on the surface of the filter screen 10 and ensuring the smooth progress of the fermentation process.
[0027] A liquid inlet pipe 13 is connected to the side wall of the disassembly tank 7, and an arc-shaped pipe 11 is connected to the inside of the disassembly tank 7 through the liquid inlet pipe 13. Multiple nozzles 12 are installed at the upper end of the arc-shaped pipe 11. The function of the nozzles 12 is to clean the filter screen 10 by spraying liquid, ensuring its filtration effect. A backwash pump 14 is connected to the outer end of the liquid inlet pipe 13, and the other end of the backwash pump 14 is connected to a liquid delivery pipe 15. An electrically controlled valve 16 is installed on the liquid delivery pipe 15. The function of the electrically controlled valve 16 is to control the flow of liquid, ensuring precise control of the fermentation process.
[0028] The disassembly tank 7 and the side frame 8 are integrated into one piece. The outer port of the side frame 8 has a protruding block with mounting holes. The drawer-type slide plate 9 has a "T"-shaped cross-section, and its outer end has a mating circular hole that aligns with the mounting holes. Bolts are used to connect the drawer-type slide plate 9 and the side frame 8. This design not only ensures the stability and sealing of the equipment but also facilitates disassembly and maintenance.
[0029] The disassembly tank 7 and the tank body 1 are connected by connecting flanges and bolts. A sealing ring is provided at the connection between the disassembly tank 7 and the tank body 1. A sealing strip is provided at the connection between the drawer-type insert plate 9 and the side frame 8. A sealing ring is provided at the connection between the tank body 1 and the sealing cover 2. These sealing measures ensure no leakage during fermentation and guarantee the stability and safety of the fermentation environment. The filter screen 10 is welded and fixed to the drawer-type insert plate 9. A sealing strip is provided at the connection between the drawer-type insert plate 9 and the disassembly tank 7 to prevent the seed fermentation liquid from seeping in. The liquid inlet pipe 13 is fixed to the disassembly tank 7 by bolts, and a sealing ring is provided at the connection. The liquid inlet pipe 13 and the arc-shaped pipe 11 are integrated. The top view of the arc-shaped pipe 11 is a "C" shape. The arc-shaped pipe 11 is coaxial with the filter screen 10 and the disassembly tank 7. Multiple nozzles 12 are distributed in a ring on the arc-shaped pipe 11, spraying liquid through the nozzles 12 to clean the filter screen 10.
[0030] The backwash pump 14 is connected to the inlet pipe 13 and the delivery pipe 15 via a connecting flange. An instrument, a flow meter, is installed on the delivery pipe 15, and the electrically controlled valve 16 is a ball valve. This design effectively achieves stirring, filtration, and cleaning during seed fermentation, ensuring the smooth progress of the fermentation process. The entire fermenter design fully considers various needs during fermentation, ensuring the quality and efficiency of seed fermentation through precise control and efficient filtration.
[0031] Mix the seeds and culture medium in the required ratio and prepare to place them in the fermenter. Open the sealing cap 2 and pour the seed and culture medium mixture into the tank 1. Close the sealing cap 2, ensuring a good seal. Start the servo motor 4, which drives the stirring blade 6 through the reducer 3 for stirring. Adjust the speed of the servo motor 4 to ensure uniform and efficient stirring. Use the electronically controlled valve 16 to control the flow of liquid, ensuring precise control of the fermentation process. Adjust the required liquid flow rate through the infusion pipe 15 and the electronically controlled valve 16. Periodically start the backwash pump 14 to clean the filter screen 10 through the nozzle 12, ensuring its filtration effect. During the cleaning process, ensure that the nozzle 12 sprays liquid evenly to clean the surface of the filter screen 10 and remove any blockages.
[0032] Monitor parameters such as temperature, pH, and dissolved oxygen during fermentation and adjust them as needed. Use a flow meter to monitor the liquid flow rate to ensure stable fermentation. Stop the equipment when the fermentation reaches the predetermined time or the required parameters. Open the sealing cap 2 and remove the fermentation broth for further processing.
[0033] Stop the operation of servo motor 4 and backwash pump 14, and turn off all power. Open the sealing cover 2, and disassemble the stirring rod 5 and stirring blade 6. Remove the drawer-type insert plate 9 and take out the filter screen 10 for cleaning. Rinse the filter screen 10 with clean water or a suitable cleaning agent to remove surface impurities. Clean the blockage on the filter screen 10 with a brush or other tools. Rinse the tank 1 with clean water or a suitable cleaning agent to ensure no residue remains. Thoroughly clean the inner wall of the tank 1 with a high-pressure water gun or cleaning brush. Disassemble the inlet pipe 13 and the arc-shaped pipe 11 and clean the inside. Clean the nozzle 12, ensuring it is unblocked and spraying normally. Thoroughly dry the cleaned parts and tank 1. Disinfect all parts and tank 1 with a disinfectant.
[0034] Reinstall all components, ensuring the sealing rings and sealing strips are intact. Check that all connections are secure and leak-free. Conduct equipment testing to ensure all components are functioning correctly and without malfunction. Confirm the equipment is ready for the next fermentation process.
[0035] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.
[0036] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A seed fermentation tank, comprising a tank body (1), a sealing cover (2), a reducer (3), a servo motor (4), a stirring rod (5), and a stirring blade (6), wherein the reducer (3) is mounted on the tank body (1) via the sealing cover (2), the servo motor (4) is connected to the reducer (3), and the stirring blade (6) is connected to the output end of the reducer (3) via the stirring rod (5), characterized in that: The lower end of the tank (1) is equipped with a disassembly tank (7), and the side wall of the disassembly tank (7) is provided with a side frame (8). The opening of the side frame (8) is connected to a drawer-type insert plate (9), and the end face of the drawer-type insert plate (9) is provided with a filter screen (10). The servo motor (4) drives the stirring blade (6) to move, thereby clearing the blockage on the surface of the filter screen (10). The side wall of the disassembly tank (7) is connected to an inlet pipe (13). The inside of the disassembly tank (7) is connected to an arc-shaped pipe (11) through the inlet pipe (13). The upper end of the arc-shaped pipe (11) is provided with multiple nozzles (12). The outer end of the inlet pipe (13) is connected to a backwash pump (14). The other end of the backwash pump (14) is connected to a delivery pipe (15), and an electric control valve (16) is installed on the delivery pipe (15).
2. The seed fermentation tank according to claim 1, characterized in that: The disassembly tank (7) and the side frame (8) are designed as a single unit. The outer port of the side frame (8) is provided with a protrusion block and an installation hole is provided on the protrusion block. The cross-section of the drawer-type insert plate (9) is designed in the shape of a "T". The outer end of the drawer-type insert plate (9) is provided with a mating round hole. The mating round hole is directly opposite the installation hole, and bolts are used to connect the drawer-type insert plate (9) and the side frame (8).
3. A seed fermentation tank according to claim 2, characterized in that: The disassembly tank (7) and the tank body (1) are connected by connecting flanges and bolts, and a sealing ring is provided at the connection between the disassembly tank (7) and the tank body (1). A sealing strip is provided at the connection between the drawer-type insert plate (9) and the side frame (8), and a sealing ring is provided at the connection between the tank body (1) and the sealing cover (2).
4. A seed fermentation tank according to claim 3, characterized in that: The filter screen (10) is welded and fixed to the drawer-type insert plate (9), and a sealing strip is provided at the connection between the drawer-type insert plate (9) and the disassembly tank (7) to prevent the seed fermentation liquid from seeping in.
5. A seed fermentation tank according to claim 4, characterized in that: The liquid inlet pipe (13) and the disassembly tank (7) are fixed by bolts, and a sealing ring is provided at the connection. The liquid inlet pipe (13) and the arc-shaped pipe (11) are designed as a whole. The top view of the arc-shaped pipe (11) is "C" shaped. The arc-shaped pipe (11) is coaxial with the filter screen (10) and the disassembly tank (7). Multiple nozzles (12) are distributed in a ring on the arc-shaped pipe (11). The filter screen (10) is cleaned by spraying liquid through the nozzles (12).
6. A seed fermentation tank according to claim 5, characterized in that: The backwash pump (14) is connected to the inlet pipe (13) and the delivery pipe (15) via a connecting flange. An instrument, namely a flow meter, is installed on the delivery pipe (15). The electrically controlled valve (16) is a ball valve.