A stirring mechanism and a stirring device for bacillus licheniformis fermentation culture tank

Abstract

The utility model discloses a kind of stirring mechanism and bacillus licheniformis fermentation culture tank with stirring device, including outer stirring rod and inner stirring rod, scraper is installed in the periphery of outer stirring rod, and scraper and outer stirring rod are welded, the inside of outer stirring rod is installed in inner stirring rod, and inner stirring rod and outer stirring rod are rotationally connected, stirring paddle is installed in the inside of inner stirring rod, and one end of inner stirring rod is installed with driving bevel gear.This kind of stirring mechanism and bacillus licheniformis fermentation culture tank with stirring device, compared with existing stirring mechanism, motor one drives tank body to rotate stably in support, realize strain rolling to reduce stirring dead angle;While motor two drives outer stirring rod vertical rotation, its scraper synchronous removal tank wall adhesion strain, bevel gear set is connected with transmission rod linkage by connecting rod, drives driving bevel gear to make inner stirring rod horizontal rotation, stirring paddle revolves around outer stirring rod axle center while rotating, realize multidimensional uniform mixing.

Description

Technical Field

[0001] This utility model relates to the field of Bacillus licheniformis fermentation culture technology, specifically to a stirring mechanism and a stirring device for a Bacillus licheniformis fermentation culture tank. Background Technology

[0002] Fermentation culture of Bacillus licheniformis is a biotechnology process that utilizes the characteristics of this strain for large-scale production. This strain is a Gram-positive bacillus capable of forming heat-resistant, acid- and alkali-resistant (pH 2.0-8.0), and salt-resistant (≤10% NaCl) spores. During fermentation, it secretes various digestive enzymes such as proteases and amylases. In animal feed applications, its fermentation products can regulate intestinal flora, improve feed utilization, and degrade indigestible substances such as feather protein. In environmental remediation, it is used to decompose organic matter and pollutants. The fermentation endpoint is determined by dilution plate counting; strict control of sterilization conditions is necessary to avoid contamination. The existing patent, CN221344545U, entitled "A Stirrer for a Bacillus licheniformis Fermentation Culture Tank," discloses a stirrer for a Bacillus licheniformis fermentation culture tank, relating to the field of Bacillus licheniformis fermentation technology. It includes a tank lid, scrapers, and a stirring rod. A drive assembly is located inside the scrapers, and a rotating assembly is located above the scrapers. A rotating plate is rotatably connected to the inside of the tank lid. By incorporating the drive assembly, the scrapers can be moved closer to or further apart, thus allowing them to adhere to the tank wall when scraping bacteria from the inner wall. Furthermore, the movement of the scrapers is unaffected by the motor speed, improving the device's applicability. The rotating assembly can drive the stirring rod and scrapers to rotate along either the axis of the driving gear or the axis of the driven gear, improving the stirring effect on the bacteria. Finally, the rotating plate prevents bacteria from splashing onto the tank lid during rotation.

[0003] The rotating component of the aforementioned device can drive the stirring rod and scraper to rotate along the axis of the driving gear, or it can drive the stirring rod and scraper to rotate along the axis of the driven gear, thereby improving the stirring effect of the stirring rod and scraper on the bacteria. However, the stirring direction of the device is singular and there are dead zones in the stirring, which cannot well meet people's needs. In view of the above situation, technical innovation is carried out on the basis of the existing stirring mechanism. Utility Model Content

[0004] The purpose of this invention is to provide a stirring mechanism and a stirring device for a Bacillus licheniformis fermentation culture tank to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a stirring mechanism and a stirring device for a Bacillus licheniformis fermentation culture tank, comprising an outer stirring rod and an inner stirring rod. A scraper is installed around the periphery of the outer stirring rod, and the scraper is welded to the outer stirring rod. The inner stirring rod is installed inside the outer stirring rod, and the inner stirring rod and the outer stirring rod are rotatably connected. A stirring blade is installed on the inner side of the inner stirring rod, and a moving bevel gear is installed at one end of the inner stirring rod. The inner stirring rod rotates along a horizontal axis, and the stirring blade rotates synchronously with the inner stirring rod while also rotating around the rotation axis of the outer stirring rod.

[0006] Furthermore, a transmission rod is meshed above the moving bevel gear, and a transmission component is meshed on the upper right side of the transmission rod. The bevel gear set drives the transmission rod to rotate via the connecting rod, and finally drives the moving bevel gear to rotate via the transmission rod.

[0007] Furthermore, the transmission assembly includes a connecting rod and a bevel gear set, and bevel gear sets are installed at both ends of the connecting rod. The transmission rod has the same configuration as the transmission assembly, which facilitates changing the transmission direction.

[0008] Furthermore, a fixed bevel gear is installed on one side of the bevel gear set, and the fixed bevel gear meshes with the bevel gear set. When the outer stirring rod rotates, the bevel gear set rotates around the fixed bevel gear, and the bevel gear set drives the transmission rod to rotate through the connecting rod.

[0009] Furthermore, a second motor is installed below the scraper, and the second motor is welded to the scraper. While the main body of the stirring device is tumbling, the second motor drives the outer stirring rod to rotate along the vertical axis.

[0010] Furthermore, a sealing port is provided on the upper left side of the fixed bevel gear, and supports are provided on the left and right sides of the scraper. After injecting bacteria into the mixing device body through the sealing port, the sealing port is then sealed to prevent external bacteria from contaminating the device. The motor drives the entire mixing device body to rotate stably in the supports.

[0011] Furthermore, a motor is installed on one side of the bracket, and a base is installed below the bracket. The base has a sufficiently large supporting area to prevent the stirring device from tipping over during rotation.

[0012] This utility model also provides a stirring device for a Bacillus licheniformis fermentation culture tank, including a stirring device body, wherein the stirring device body is equipped with a stirring mechanism as described above.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: After injecting the bacterial culture into the mixing device body through the sealing port and sealing it, the first motor drives the tank to rotate stably in the support, and the wide support surface of the base prevents it from tipping over, so as to realize the tumbling of the bacterial culture to reduce the dead corners of the mixing; at the same time, the second motor drives the outer mixing rod to rotate vertically, and its scraper simultaneously removes the bacterial culture adhering to the tank wall. The bevel gear set is linked with the transmission rod through the connecting rod, driving the moving bevel gear to make the inner mixing rod rotate horizontally. The mixing blades revolve around the axis of the outer mixing rod while rotating on their own axis, so as to realize multi-dimensional uniform mixing. 1. In this utility model, while the main body of the stirring device is tumbling, the motor drives the outer stirring rod to rotate along the vertical axis. The scraper welded on the outer stirring rod rotates synchronously to scrape off the bacteria adhering to the inner wall of the stirring device body. When the outer stirring rod rotates, the bevel gear set rotates around the fixed bevel gear. The bevel gear set drives the transmission rod to rotate through the connecting rod. Finally, the transmission rod drives the moving bevel gear to rotate, so that the inner stirring rod rotates along the horizontal axis. The stirring blade rotates synchronously with the inner stirring rod and also rotates around the rotation axis of the outer stirring rod, thereby uniformly stirring and mixing. 2. This utility model injects bacteria into the mixing device body through a sealing port and then seals the sealing port to prevent external contamination. The motor drives the entire mixing device body to rotate stably in the support. The base has a large enough supporting area to prevent the mixing device body from tipping over during rotation, thereby causing the bacteria in the mixing device body to tumble and effectively reducing dead corners in the mixing. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a stirring mechanism and a stirring device for a Bacillus licheniformis fermentation culture tank according to the present invention; Figure 2 This is a three-dimensional cross-sectional view of the stirring device body of the stirring mechanism and stirring device for Bacillus licheniformis fermentation culture tank of this utility model; Figure 3 This is a three-dimensional structural diagram of the outer stirring rod of a stirring mechanism and stirring device for a Bacillus licheniformis fermentation culture tank according to the present invention.

[0015] In the diagram: 1. Stirring device body; 2. Outer stirring rod; 3. Motor 1; 4. Base; 5. Sealing port; 6. Motor 2; 7. Bracket; 8. Scraper; 9. Fixed bevel gear; 10. Transmission assembly; 1001. Connecting rod; 1002. Bevel gear set; 11. Transmission rod; 12. Moving bevel gear; 13. Inner stirring rod; 14. Stirring blade. Detailed Implementation

[0016] like Figure 1 and Figure 2As shown, a stirring mechanism includes an outer stirring rod 2 and an inner stirring rod 13. A scraper 8 is installed around the outer stirring rod 2 and is welded to the outer stirring rod 2. The inner stirring rod 13 is installed inside the outer stirring rod 2 and is rotatably connected to the outer stirring rod 2. A stirring blade 14 is installed on the inner side of the inner stirring rod 13, and a moving bevel gear 12 is installed at one end of the inner stirring rod 13. A transmission rod 11 meshes above the moving bevel gear 12, and a transmission assembly 10 meshes on the upper right side of the transmission rod 11. The transmission assembly 10 includes a connecting rod 1001 and a bevel gear set 1002. The bevel gear set 1002 is installed at both ends of the connecting rod 1001, and a bevel gear set 1002 is installed on one side of the bevel gear set 1002. There is a fixed bevel gear 9, and the fixed bevel gear 9 meshes with the bevel gear set 1002. During the continuous tumbling of the stirring device body 1, the motor 2 6 drives the outer stirring rod 2 to rotate along the vertical axis. The scraper 8, which is precisely welded on its surface, moves synchronously to thoroughly remove the bacteria attached to the inner wall of the tank. The rotation of the outer stirring rod 2 is transmitted through the meshing of the bevel gear set 1002 and the fixed bevel gear 9. The power is transmitted to the transmission rod 11 through the connecting rod 1001, and finally drives the moving bevel gear 12 to drive the inner stirring rod 13 to rotate along the horizontal axis. This allows the stirring blade 14 to rotate on its own axis and revolve around the axis of the outer stirring rod 2. This compound rotation mechanism makes the bacterial liquid form a three-dimensional vortex flow, achieving uniform mixing without dead angles.

[0017] like Figure 3 As shown, a second motor 6 is installed below the scraper 8, and the second motor 6 is welded to the scraper 8. A sealing port 5 is provided on the left side above the fixed bevel gear 9. Supports 7 are provided on the left and right sides of the scraper 8. A first motor 3 is installed on one side of the support 7, and a base 4 is installed below the support 7. After the inoculum is accurately injected into the mixing device body 1 through the sterile sealing port 5, it is immediately sealed to effectively prevent the invasion of external bacteria. The first motor 3 drives the tank to rotate smoothly at a constant speed inside the support 7. With the increased support contact area of ​​the base 4, the tank is kept absolutely stable during rotation, which promotes the three-dimensional vortex motion of the culture medium, so that the inoculum can be mixed evenly in all directions in the tank, significantly eliminating the mixing dead corners such as bottom sedimentation and wall adhesion that exist in traditional stirring methods.

[0018] A stirring device for a Bacillus licheniformis fermentation culture tank includes a stirring device body 1, which is equipped with the stirring mechanism described above.

[0019] Working principle: When using this stirring mechanism and stirring device for Bacillus licheniformis fermentation culture tank, firstly, the inoculum is injected into the stirring device body 1 through the sealing port 5, and then the sealing port 5 is sealed to prevent external contamination. Motor 1 3 drives the stirring device body 1 to rotate stably in the support 7. The support area of ​​the base 4 is large enough to prevent the stirring device body 1 from tipping over during rotation, thereby causing the inoculum in the stirring device body 1 to tumble, effectively reducing dead zones in the stirring. At the same time as the stirring device body 1 tumbles, motor 2 6 drives the external stirring. The rod 2 rotates along the vertical axis, and the scraper 8 welded on the outer stirring rod 2 rotates synchronously to scrape off the bacteria adhering to the inner wall of the stirring device body 1. When the outer stirring rod 2 rotates, the bevel gear set 1002 rotates around the fixed bevel gear 9. The bevel gear set 1002 drives the transmission rod 11 to rotate through the connecting rod 1001. Finally, the transmission rod 11 drives the moving bevel gear 12 to rotate, so that the inner stirring rod 13 rotates along the horizontal axis. The stirring blade 14 rotates synchronously with the inner stirring rod 13 and also rotates around the rotation axis of the outer stirring rod 2, thereby uniformly stirring and mixing.

Claims

1. A stirring mechanism, comprising an outer stirring rod (2) and an inner stirring rod (13), characterized in that, The outer stirring rod (2) is equipped with a scraper (8) on its periphery, and the scraper (8) is welded to the outer stirring rod (2). The inner stirring rod (13) is installed inside the outer stirring rod (2), and the inner stirring rod (13) is rotatably connected to the outer stirring rod (2). The inner side of the inner stirring rod (13) is equipped with a stirring blade (14), and one end of the inner stirring rod (13) is equipped with a moving bevel gear (12).

2. The stirring mechanism according to claim 1, characterized in that, The upper part of the moving bevel gear (12) is engaged with a transmission rod (11), and the upper right side of the transmission rod (11) is engaged with a transmission assembly (10).

3. The stirring mechanism according to claim 2, characterized in that, The transmission assembly (10) includes a connecting rod (1001) and a bevel gear set (1002), and the bevel gear set (1002) is installed at both ends of the connecting rod (1001).

4. The stirring mechanism according to claim 3, characterized in that, A fixed bevel gear (9) is installed on one side of the bevel gear set (1002), and the fixed bevel gear (9) meshes with the bevel gear set (1002).

5. A stirring mechanism according to claim 1, characterized in that, A second motor (6) is installed below the scraper (8), and the second motor (6) is fixedly connected to the scraper (8).

6. The stirring mechanism according to claim 4, characterized in that, A sealing port (5) is provided on the upper left side of the fixed bevel gear (9), and brackets (7) are provided on the left and right sides of the scraper (8).

7. A stirring mechanism according to claim 6, characterized in that, A motor (3) is installed on one side of the bracket (7), and a base (4) is installed below the bracket (7).

8. A stirring device for a Bacillus licheniformis fermentation culture tank, comprising a stirring device body (1), characterized in that, The stirring device body (1) is equipped with a stirring mechanism as described in any one of claims 1-7.

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