Strain fermentation device for vitamin B2 production
By introducing a detachable mechanism into the fermentation device for vitamin B2 production, the problem of inconvenient cleaning of the fermentation tank was solved, enabling convenient disassembly and cleaning of the fermentation device and ensuring the stability and quality of the fermentation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG JIATAI TECH CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-05-15
AI Technical Summary
The existing fermentation tanks used for vitamin B2 production are difficult to clean after use, and are prone to the growth of miscellaneous bacteria, which affects the fermentation effect of the next time.
A microbial fermentation device with a detachable mechanism was designed. Through the cooperation of the insert rod and the annular plate, the cover plate, stirring shaft and stirring tube can be easily disassembled, thereby facilitating the cleaning of the inside of the fermentation tank.
It enables convenient disassembly and cleaning of the fermentation device, avoids the growth of miscellaneous bacteria, and ensures the stability and quality of the fermentation process.
Smart Images

Figure CN224243069U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vitamin B2 production technology, specifically to a microbial fermentation device for vitamin B2 production. Background Technology
[0002] Vitamin B2, as an important water-soluble vitamin, has a wide range of applications in medicine, food, feed and other fields. At present, the industrial production of vitamin B2 mainly relies on microbial fermentation. The performance of the core equipment in the fermentation process, the microbial fermentation device, directly affects the yield, quality, stability and economy of vitamin B2 production.
[0003] In the prior art, Chinese utility model patent with publication number CN215757270U describes a fermenter with a working chamber inside, a feeding port at the top, a discharge pipe at the bottom, and a discharge valve. It also includes a connecting pipe, an air supply box, a mounting box, an aeration device, two sets of hollow stirring shafts, a first motor, a second motor, a rotating shaft, and a drive gear. The tops of the two sets of hollow stirring shafts extend from the left and right halves of the bottom of the mounting box into the placement chamber, respectively. Driven gears are provided on the outer sides of both sets of hollow stirring shafts, and both sets of driven gears mesh with the drive gear. Multiple sets of stirring pipes are connected to the outer sides of both sets of hollow stirring shafts, and multiple sets of air vents are provided on the outer sides of the stirring pipes. This improves the stirring effect on the microorganisms, enhances the uniformity of oxygen distribution within the microorganisms, thereby ensuring the fermentation effect of the microorganisms and improving the reliability of use.
[0004] However, the above-mentioned fermenters are inconvenient to clean after use, and are prone to the growth of miscellaneous bacteria, which may affect the next fermentation. Therefore, they do not meet the current needs. In response, we have proposed a microbial fermentation device for vitamin B2 production. Utility Model Content
[0005] The purpose of this invention is to provide a microbial fermentation device for vitamin B2 production, in order to solve the problems mentioned in the background art, such as the inconvenience of cleaning the inside of the fermentation tank after use, and the easy growth of miscellaneous bacteria that affect the next fermentation.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a fermentation device for vitamin B2 production, comprising a shell, a fermentation tank disposed inside the shell, a feeding pipe fixedly connected to one side of the lower end face of the fermentation tank, a cover plate movably mounted on the top of the shell via a detachable mechanism, a reversible motor mounted in the middle of the upper end face of the cover plate, a vertical shaft fixedly connected to the output end of the reversible motor, a stirring shaft mounted on the lower end face of the vertical shaft, a conveying chamber disposed inside the stirring shaft, multiple stirring tubes evenly mounted on both sides of the outer surface of the stirring shaft, multiple exhaust holes evenly disposed on the front end face of the stirring tubes, a guide box mounted in front of the reversible motor, an aeration device mounted on one side of the reversible motor, the aeration device being connected to the guide box via a connecting pipe, and a feeding pipe mounted on the other side of the aeration device.
[0007] Preferably, support legs are installed at the four corners of the lower end face of the housing, a through groove is provided on one side of the lower end face of the housing, the feed pipe passes through the through groove, and a one-way valve is installed on the inner side of the feed pipe.
[0008] Preferably, the flow guide box and the conveying chamber are connected by an air inlet pipe, and the air inlet pipe is a retractable flexible hose. The conveying chamber and the stirring pipe are connected through a connecting groove.
[0009] Preferably, the detachable mechanism includes a plug rod and an annular plate. The plug rod is installed on both sides of the outer surface of the housing through a through hole, and a first spring is sleeved on the outer surface of the plug rod.
[0010] Preferably, the upper end face of the annular plate is fixedly connected to the lower end face of the cover plate, the upper end face of the housing is provided with an annular groove, the annular plate can be inserted into the inner side of the annular groove, and the outer surface of the annular plate is provided with insertion holes on both sides.
[0011] Preferably, the insertion rod can be inserted into the inner side of the insertion hole, and a second spring is installed on both sides of the bottom surface of the housing through a circular groove, with the upper end face of the second spring fitting against the lower end face of the fermentation tank.
[0012] Preferably, a groove is provided in the middle of the bottom surface of the fermentation tank, the lower end face of the stirring shaft can be inserted into the inner side of the groove, and the upper end face of the feeding pipe is connected to a sealing cap by a thread.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This invention features a detachable mechanism and fermentation tank. After fermentation, when the fermentation tank needs cleaning, the two side rods can be pulled outwards simultaneously to release the restriction on the annular plate, allowing the cover to be removed from the shell. The stirring shaft and stirring tube are then moved out from the inside of the fermentation tank for easy cleaning. Simultaneously, the fermentation tank is lifted upwards by a second spring, allowing workers to remove it from the inside of the shell for cleaning. This invention facilitates the disassembly and assembly of the cover and shell, making it easy to clean the stirring shaft, stirring tube, and fermentation tank, thus preventing any impact on the next fermentation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a main sectional view of the entire utility model;
[0017] Figure 3 This is a partial structural schematic diagram of the conveying cavity of this utility model;
[0018] Figure 4 This is a partial structural diagram of the detachable mechanism of this utility model;
[0019] Figure 5 This is a partial structural diagram of the card slot of this utility model.
[0020] In the diagram: 1. Shell; 2. Cover plate; 3. Feeding pipe; 4. Forward and reverse motor; 5. Connecting pipe; 6. Aeration device; 7. Detachable mechanism; 701. Insert rod; 702. First spring; 703. Through hole; 704. Insertion hole; 705. Annular plate; 706. Annular groove; 707. Second spring; 708. Circular groove; 8. Guide box; 9. Support leg; 10. Feeding pipe; 11. Stirring shaft; 12. Stirring pipe; 13. Vertical shaft; 14. Fermentation tank; 15. Conveying chamber; 16. Exhaust hole; 17. Through groove; 18. Slot. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] The forward and reverse reversible motor 4 (model 68KTYZ) and aeration device 6 (model JDXB-3) mentioned in this utility model can be obtained from the market or through private customization.
[0023] Please see Figures 1 to 5This utility model provides an embodiment of a fermentation device for vitamin B2 production, comprising a shell 1, a fermentation tank 14 disposed inside the shell 1, a feeding pipe 10 fixedly connected to one side of the lower end face of the fermentation tank 14, a cover plate 2 movably mounted on the upper part of the shell 1 via a detachable mechanism 7, a reversible motor 4 mounted in the middle of the upper end face of the cover plate 2, a vertical shaft 13 fixedly connected to the output end of the reversible motor 4, a stirring shaft 11 mounted on the lower end face of the vertical shaft 13, a conveying chamber 15 disposed inside the stirring shaft 11, a plurality of stirring tubes 12 evenly mounted on both sides of the outer surface of the stirring shaft 11, a plurality of exhaust holes 16 evenly disposed on the front end face of the stirring tubes 12, a guide box 8 mounted in front of the reversible motor 4, an aeration device 6 mounted on one side of the reversible motor 4, the aeration device 6 being connected to the guide box 8 via a connecting pipe 5, and a feeding pipe 3 mounted on the other side of the aeration device 6.
[0024] Support legs 9 are installed at the four corners of the lower end face of the shell 1. A through groove 17 is provided on one side of the lower end face of the shell 1. The feed pipe 10 passes through the through groove 17. A one-way valve is installed on the inner side of the feed pipe 10, which will not affect the disassembly and assembly of the fermentation tank 14 inside the shell 1.
[0025] The flow guide box 8 is connected to the conveying chamber 15 through an air inlet pipe, which is a retractable flexible hose. The conveying chamber 15 is connected to the stirring pipe 12 through a connecting groove, so that the aeration device 6 introduces gas into the flow guide box 8. The gas in the flow guide box 8 enters the inner side of the conveying chamber 15 through the air inlet pipe, then enters the stirring pipe 12 through the connecting groove, and is discharged through the exhaust hole 16.
[0026] The detachable mechanism 7 includes a plug rod 701 and an annular plate 705. The plug rod 701 is installed on both sides of the outer surface of the housing 1 through the through hole 703. A first spring 702 is sleeved on the outer surface of the plug rod 701. The upper end face of the annular plate 705 is fixedly connected to the lower end face of the cover plate 2. An annular groove 706 is provided on the upper end face of the housing 1. The annular plate 705 can be inserted into the inner side of the annular groove 706. Insertion holes 704 are provided on both sides of the outer surface of the annular plate 705.
[0027] The insertion rod 701 can be inserted into the inside of the insertion hole 704. The bottom surfaces of the housing 1 are equipped with second springs 707 through circular grooves 708. The upper end of the second spring 707 is in contact with the lower end of the fermentation tank 14. By pulling the insertion rod 701, the restriction on the annular plate 705 can be released. After the cover plate 2 is removed from the top of the housing 1, the fermentation tank 14 will be lifted up by the action of the second spring 707, making it convenient for the staff to take it out of the housing 1.
[0028] A groove 18 is provided in the middle of the bottom surface of the fermentation tank 14. The lower end of the stirring shaft 11 can be inserted into the inner side of the groove 18. The upper end of the feeding pipe 3 is connected to a sealing cover by a thread, which improves the stability of the rotation of the stirring shaft 11 and facilitates the disassembly and assembly of the sealing cover.
[0029] When in use, this vitamin B2 production microbial fermentation device features a detachable mechanism 7 and a fermentation tank 14. After fermentation is complete, the fermentation tank 14 needs to be cleaned. By simultaneously pulling the two side rods 701 outwards, the restriction on the annular plate 705 is released, allowing the cover plate 2 to be removed from the housing 1. The stirring shaft 11 and stirring tube 12 are then moved out from the inside of the fermentation tank 14 within the housing 1, facilitating cleaning of the stirring shaft 11 and stirring tube 12. Simultaneously, the fermentation tank 14 is lifted upwards by the second spring 707, allowing the operator to remove it from the inside of the housing 1 for cleaning. This invention facilitates the disassembly and assembly of the cover plate 2 and the housing 1, thereby making it convenient to clean the stirring shaft 11, stirring tube 12, and fermentation tank 14, preventing any impact on the next fermentation.
[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A fermentation apparatus for vitamin B2 production, comprising a shell (1), characterized in that: A fermentation tank (14) is provided inside the shell (1). A feeding pipe (10) is fixedly connected to one side of the lower end face of the fermentation tank (14). A cover plate (2) is movably installed on the upper part of the shell (1) through a detachable mechanism (7). A forward and reverse motor (4) is installed in the middle of the upper end face of the cover plate (2). A vertical shaft (13) is fixedly connected to the output end of the forward and reverse motor (4). A stirring shaft (11) is installed on the lower end face of the vertical shaft (13). The inner side of the stirring shaft (11) The conveying chamber (15) is provided. Multiple stirring tubes (12) are evenly installed on both sides of the outer surface of the stirring shaft (11). Multiple exhaust holes (16) are evenly provided on the front end face of the stirring tubes (12). A guide box (8) is installed in front of the forward and reverse motor (4). An aeration device (6) is installed on one side of the forward and reverse motor (4). The aeration device (6) is connected to the guide box (8) through a connecting pipe (5). A feeding pipe (3) is installed on the other side of the aeration device (6).
2. The fermentation apparatus for vitamin B2 production according to claim 1, characterized in that: Support legs (9) are installed at the four corners of the lower end face of the housing (1). A through groove (17) is provided on one side of the lower end face of the housing (1). The feed pipe (10) passes through the through groove (17). A one-way valve is installed on the inner side of the feed pipe (10).
3. The fermentation apparatus for vitamin B2 production according to claim 1, characterized in that: The flow guide box (8) and the conveying chamber (15) are connected by an air inlet pipe, and the air inlet pipe is a retractable flexible hose. The conveying chamber (15) and the stirring pipe (12) are connected through a connecting groove.
4. The fermentation apparatus for vitamin B2 production according to claim 1, characterized in that: The detachable mechanism (7) includes a plug (701) and an annular plate (705). The plug (701) is installed on both sides of the outer surface of the housing (1) through a through hole (703). A first spring (702) is sleeved on the outer surface of the plug (701).
5. The fermentation apparatus for vitamin B2 production according to claim 4, characterized in that: The upper end face of the annular plate (705) is fixedly connected to the lower end face of the cover plate (2). The upper end face of the housing (1) is provided with an annular groove (706). The annular plate (705) can be inserted into the inner side of the annular groove (706). Insertion holes (704) are provided on both sides of the outer surface of the annular plate (705).
6. The fermentation apparatus for vitamin B2 production according to claim 5, characterized in that: The insertion rod (701) can be inserted into the inner side of the insertion hole (704). The bottom surfaces of the housing (1) are equipped with second springs (707) through circular grooves (708). The upper end of the second spring (707) is in contact with the lower end of the fermentation tank (14).
7. The fermentation apparatus for vitamin B2 production according to claim 1, characterized in that: The fermentation tank (14) has a groove (18) in the middle of its bottom surface. The lower end of the stirring shaft (11) can be inserted into the inside of the groove (18). The upper end of the feeding pipe (3) is connected to a sealing cap by a thread.