Biological fermentation tank for preparing microbial agent

By controlling the discharge sealing cover with a hydraulic drive mechanism and optimizing the design of the stirring rod, the problem of insufficient sealing at the discharge end of the bio-fermentation tank was solved, thereby improving the sealing and mixing efficiency of the fermentation process.

CN224199371UActive Publication Date: 2026-05-05QINGDAO CHANGJIN BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO CHANGJIN BIOTECHNOLOGY CO LTD
Filing Date
2025-04-01
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The existing bio-fermentation tanks have poor sealing at the discharge end, making them easy to open and allowing outside air to enter, which affects the fermentation process.

Method used

A hydraulic drive mechanism is used to control the discharge sealing cover, and the mixing mechanism is designed to optimize the angle of the stirring rod to improve mixing efficiency. The combination of hydraulic drive and stirring rod prevents the sealing cover from being opened and improves the mixing effect.

Benefits of technology

It effectively prevents external air from entering, ensuring the sealing of the fermentation process, and improves solubility and fermentation efficiency through an optimized stirring rod design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a biological fermentation tank for preparing a microbial agent. The biological fermentation tank comprises a tank body and a sealing cover mounted on the tank body in a sealing manner, the stirring mechanism is arranged in the tank body and is used for fully mixing the raw materials; a feeding pipe with a control valve and an observation hole are arranged on the sealing cover; the discharge pipe is communicated with the outlet end of the tank body; the discharging sealing cover is mounted at the outlet end of the discharging pipe and is driven by a hydraulic driving mechanism. According to the utility model, by additionally arranging the discharging sealing cover which is opened and closed by the hydraulic driving structure, the biological fermentation tank can generate certain air pressure in the fermentation process, the air pressure can be propped against the discharging sealing cover, and meanwhile, certain pressure is applied to the discharging sealing cover through the hydraulic driving mechanism, so that the discharging sealing cover can be prevented from being opened.
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Description

Technical Field

[0001] This utility model belongs to the field of bio-fermentation technology, and specifically relates to a bio-fermentation tank for preparing microbial agents. Background Technology

[0002] During microbial fermentation, it is necessary to keep the fermentation tank sealed to ensure that no air enters during fermentation, thereby avoiding contamination or affecting the fermentation process.

[0003] Existing bioreactors have good sealing at the feed end, but poor sealing at the discharge end, making them easy to open. If operator error causes the discharge end seal to be accidentally opened, outside air can enter, disrupting the microbial growth environment inside the fermenter and causing significant problems. Utility Model Content

[0004] In view of the problems existing in the background art, the present invention provides a bio-fermentation tank for preparing microbial inoculants, comprising:

[0005] Tank body;

[0006] A sealing cap is installed on the tank body;

[0007] A stirring mechanism installed inside the tank to fully mix the raw materials;

[0008] Furthermore, the sealing cover is equipped with a feeding pipe with a control valve and an observation hole;

[0009] A discharge pipe connected to the outlet end of the tank;

[0010] The discharge sealing cover is installed at the outlet end of the discharge pipe and is driven by a hydraulic drive mechanism.

[0011] Optionally, the hydraulic drive mechanism includes a pneumatic base.

[0012] The pneumatic base is mounted on the tank body.

[0013] The pneumatic base is connected to the lug of the hydraulic cylinder via a first hinge connector.

[0014] Optionally, the hydraulic drive mechanism further includes a first connecting plate.

[0015] The first connecting plate is provided in two sets and is mounted on the tank body;

[0016] The first connecting plate, which is away from the pneumatic base, is connected to the second connecting plate via a connecting shaft;

[0017] The extended end of the hydraulic cylinder is connected to the triangular plate via a second hinge connector.

[0018] The triangular plate has a through hole for the connecting rod to pass through, and the connecting rod is mounted on two sets of the second connecting plates.

[0019] Optionally, the other end of the triangular plate is mounted on the discharge sealing cover.

[0020] Optionally, the stirring mechanism includes a servo motor.

[0021] The servo motor is mounted on the sealing cover.

[0022] The drive end of the servo motor passes through the sealing cover, extends into the tank, and is connected to the stirring shaft via a bearing assembly.

[0023] Optionally, the stirring shaft is provided with at least one set of connecting parts.

[0024] The connector is provided with at least one set of first stirring rods;

[0025] The first stirring rod and the connecting member are integrally formed.

[0026] The first stirring rod is evenly distributed along the circumference of the connector.

[0027] Optionally, the first stirring rod includes a first end face and a second end face;

[0028] The first end faces of two adjacent sets of first stirring rods extend continuously and intersect to form an included angle B.

[0029] Angle B is between 11° and 35°.

[0030] The second end faces of two adjacent sets of first stirring rods extend continuously and intersect to form an included angle α.

[0031] The included angle α is between 33° and 135°;

[0032] The two end faces of the first stirring rods 204 in two adjacent groups are arranged in a fan shape.

[0033] Optionally, a connector is installed at the end of the stirring shaft located away from the servo motor.

[0034] The connector is equipped with a rotating disk.

[0035] The rotating disk is provided with six sets of second stirring rods integrated with it along its circumference;

[0036] The second stirring rod has a third end face and a fourth end face;

[0037] The third end faces of two adjacent sets of second stirring rods extend continuously and intersect to form an included angle e.

[0038] The included angle e is 35°-75°;

[0039] The fourth end faces of the two adjacent sets of second stirring rods extend continuously and intersect to form an included angle f.

[0040] The included angle f is 121°-175°;

[0041] The two end faces of the two adjacent sets of the second stirring rods are arranged in a fan shape.

[0042] In summary, the beneficial effects of this utility model are:

[0043] (1) By adding a discharge sealing cover that is opened and closed by a hydraulically driven structure, the bio-fermentation tank will generate a certain amount of air pressure during the fermentation process. The air pressure will resist the discharge sealing cover, and at the same time, the hydraulic drive mechanism will apply a certain pressure to the discharge sealing cover, thereby preventing the discharge sealing cover from being opened.

[0044] (2) In application, the stirring mechanism composed of the first stirring rod and the second stirring rod is used by starting the servo motor, which drives the stirring shaft to rotate. At this time, the included angle B of the first stirring rod is 33° and the included angle a is 115°, while the included angle e of the second stirring rod is 55° and the included angle f is 155°. At this time, the first stirring rod and the second stirring rod present a certain angular difference. Through the cooperation of the first stirring rod and the second stirring rod, it helps to change the flow direction of the liquid during the stirring process, so that the mixing process is not just a simple rotation, but also causes the liquid to circulate. The fluid obtains more shear force in this process, thereby improving the solubility and optimizing the reaction conditions or fermentation process of the material. Attached Figure Description

[0045] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the bio-fermentation tank for preparing microbial agents according to this utility model;

[0046] Figure 2 This is a schematic diagram of the stirring mechanism of the first embodiment of the bio-fermentation tank for preparing microbial agents according to this utility model;

[0047] Figure 3 This is a schematic diagram of the hydraulic drive mechanism of the first embodiment of the bio-fermentation tank for preparing microbial agents according to this utility model;

[0048] Figure 4 This is an enlarged view of the stirring mechanism of a first embodiment of a bio-fermentation tank for preparing microbial agents according to this utility model.

[0049] Figure label:

[0050] 100. Biological fermentation tank;

[0051] 10. Tank body;

[0052] 20. Stirring mechanism; 201. Servo motor; 202. Stirring shaft; 203. Connector; 204. First stirring rod; 205. Second stirring rod; 206. Connector; 207. Rotary disk;

[0053] 30. Sealing cap; 301. Observation hole; 302. Feeding pipe;

[0054] 40. Temperature sensor assembly; 401. Controller;

[0055] 50. Hydraulic drive mechanism; 501. Pneumatic base; 502. First hinge connector; 503. Hydraulic cylinder; 504. First connecting plate; 505. Extended end; 506. Second connecting plate; 507. Connecting shaft; 508. Second hinge connector; 509. Triangular plate;

[0056] 60. Bracket;

[0057] 70. Discharge pipe; 701. Discharge sealing cover;

[0058] 80. Sampling tube. Detailed Implementation

[0059] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. Although exemplary embodiments are disclosed in the drawings, it should be understood that the present utility model can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to facilitate a more thorough understanding of the present utility model and to fully convey the concept of the present utility model to those skilled in the art.

[0060] In the description of this specification, the references to terms such as "certain embodiments," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0061] In this utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "join," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "join" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0062] Please see Figure 1-4 As shown, this embodiment provides a bio-fermentation tank 100 for preparing microbial inoculants, including a tank body 10 and a sealing cover 30 sealed and installed on the tank body 10. The sealing cover 30 is provided with a feeding pipe 302 with a control valve and an observation hole 301. The tank body 10 is provided with a stirring mechanism 20 for fully mixing the raw materials.

[0063] The outlet end of the tank 10 is connected to the discharge pipe 70, and the discharge end of the discharge pipe 70 has a discharge sealing cover 701, which is driven by the hydraulic drive mechanism 50.

[0064] It should be noted that by adding a discharge sealing cover 701 that is opened and closed by a hydraulically driven structure 50, the bio-fermentation tank will generate a certain amount of air pressure during the fermentation process. The air pressure will resist the discharge sealing cover 701, and at the same time, the hydraulically driven mechanism 50 will apply a certain pressure to the discharge sealing cover, thereby preventing the discharge sealing cover 701 from being opened.

[0065] Furthermore, the hydraulic drive mechanism 50 includes a pneumatic base 501, which is fixedly installed on the tank body 10 by fastening bolts. The pneumatic base 501 is connected to the lug of the hydraulic cylinder 503 through a first hinge connector 502. The hydraulic cylinder 503 is a telescopic hydraulic cylinder.

[0066] Furthermore, the hydraulic drive mechanism 50 also includes a first connecting plate 504, which is provided in two sets and is mounted on the tank 10 by welding or other fixed connection methods;

[0067] The first connecting plate 504, which is away from the pneumatic base 501, is connected to the second connecting plate 506 via a connecting shaft 507.

[0068] Furthermore, the extended end of the hydraulic cylinder 503 is connected to the triangular plate 509 through the second hinge connector 508. The triangular plate 509 has a through hole for the connecting rod to pass through, and the connecting rod is mounted on two sets of the second connecting plates 506.

[0069] Furthermore, the other end of the triangular plate 509 is fixedly installed on the discharge sealing cover 701 by welding or fastening screws.

[0070] In this embodiment, the hydraulic cylinder 503 is activated, and its extended end 505 extends, thereby driving the triangular plate 509 through the second connecting plate 506 to close the discharge sealing cover 701.

[0071] When the bio-fermentation tank is completed and needs to be opened, simply start the hydraulic cylinder 503, which will drive the extended end of the hydraulic cylinder 503 to retract, and then drive the triangular plate 509 through the connecting plate 506 to open the discharge sealing cover 701.

[0072] In this embodiment, during the bio-fermentation process, the microorganisms inside the bio-fermentation tank produce gas, which creates a certain pressure inside the tank. This pressure forces the discharge sealing cover to open. In this invention, during bio-fermentation, the extension end 505 of the hydraulic cylinder 503 extends, and then the second connecting plate 506 drives the triangular plate 509 to close the discharge sealing cover 701, applying pressure to it and effectively preventing the cover from opening.

[0073] Furthermore, the tank 10 is a double-layered tank composed of inner and outer tanks.

[0074] Furthermore, the stirring mechanism 20 includes a servo motor 201, which is fixedly mounted on the sealing cover 30 by fastening screws. The drive end of the servo motor 201 passes through the sealing cover 30, extends into the tank 10, and is connected to the stirring shaft 202 through a bearing assembly.

[0075] In this embodiment, by starting the servo motor 201, the servo motor drives the stirring shaft 202 to rotate.

[0076] Furthermore, the stirring shaft 202 is provided with at least one set of connectors 203, and the connectors 203 and the stirring shaft 202 are detachably connected. The connectors 203 are provided with at least one set of first stirring rods 204.

[0077] Furthermore, the first stirring rod 204 and the connecting member 203 are integrally formed, and the first stirring rod 204 is evenly distributed along the circumference of the connecting member 203.

[0078] The first stirring rod 204 includes a first end face and a second end face;

[0079] The first end faces of two adjacent sets of first stirring rods 204 extend continuously and intersect to form an included angle B, which is 11°-35°.

[0080] The second end faces of two adjacent sets of first stirring rods 204 extend continuously and intersect to form an included angle α, which is 33°-135°; and the two sets of end faces of the two adjacent sets of first stirring rods 204 are arranged in a fan shape.

[0081] It should be noted that when the included angle B is 33° and the included angle a is 115°, the flow generated by the first stirring rod when it rotates helps to form strong axial and radial flows, promoting the circulation and mixing of the liquid.

[0082] Furthermore, a connector 206 is fixedly connected to the end of the stirring shaft 202 located away from the servo motor 201, and a rotating disk 207 is provided on the connector 206, and six sets of second stirring rods 205 integrated with it are provided on the rotating disk 207 along its circumference;

[0083] The second stirring rod 205 has a third end face and a fourth end face;

[0084] The third end faces of two adjacent sets of second stirring rods 205 extend continuously and intersect to form an included angle e, which is 35°-75°.

[0085] The fourth end faces of the two adjacent sets of second stirring rods 205 extend continuously and intersect to form an included angle f, which is 121°-175°; and the two sets of end faces of the two adjacent sets of second stirring rods 205 are arranged in a fan shape.

[0086] It should be noted that when the servo motor 201 is started, it drives the stirring shaft 202 to rotate. At this time, the included angle B of the first stirring rod is 33° and the included angle a is 115°.

[0087] When the included angle e of the second stirring rod is 55° and the included angle f is 155°, the first and second stirring rods exhibit a certain angular difference. The cooperation between the first and second stirring rods helps to change the flow direction of the liquid during stirring, making the mixing process not just simple rotation, but also causing liquid circulation. The fluid experiences more shear force during this process, thereby increasing solubility and optimizing the reaction conditions or fermentation process of the materials.

[0088] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not restrictive. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model do not depart from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A bio-fermentation tank for preparing microbial inoculants, characterized in that, include: Tank body; A sealing cap is installed on the tank body; A stirring mechanism installed inside the tank to fully mix the raw materials; Furthermore, the sealing cover is equipped with a feeding pipe with a control valve and an observation hole; A discharge pipe connected to the outlet end of the tank; The discharge sealing cover is installed at the outlet end of the discharge pipe and is driven by a hydraulic drive mechanism.

2. The bio-fermentation tank for preparing microbial inoculants according to claim 1, characterized in that, The hydraulic drive mechanism includes a pneumatic base. The pneumatic base is mounted on the tank body. The pneumatic base is connected to the lug of the hydraulic cylinder via a first hinge connector.

3. The bio-fermentation tank for preparing microbial inoculants according to claim 2, characterized in that, The hydraulic drive mechanism also includes a first connecting plate. The first connecting plate is provided in two sets and is mounted on the tank body; The first connecting plate, which is away from the pneumatic base, is connected to the second connecting plate via a connecting shaft; The extended end of the hydraulic cylinder is connected to the triangular plate via a second hinge connector. The triangular plate has a through hole for the connecting rod to pass through, and the connecting rod is mounted on two sets of the second connecting plates.

4. The bio-fermentation tank for preparing microbial inoculants according to claim 3, characterized in that, The other end of the triangular plate is installed on the discharge sealing cover.

5. The bio-fermentation tank for preparing microbial inoculants according to claim 1, characterized in that, The stirring mechanism includes a servo motor. The servo motor is mounted on the sealing cover. The drive end of the servo motor passes through the sealing cover, extends into the tank, and is connected to the stirring shaft via a bearing assembly.

6. The bio-fermentation tank for preparing microbial inoculants according to claim 5, characterized in that, The stirring shaft is provided with at least one set of connecting parts. The connector is provided with at least one set of first stirring rods; The first stirring rod and the connecting member are integrally formed. The first stirring rod is evenly distributed along the circumference of the connector.

7. The bio-fermentation tank for preparing microbial inoculants according to claim 6, characterized in that, The first stirring rod includes a first end face and a second end face; The first end faces of two adjacent sets of first stirring rods extend continuously and intersect to form an included angle B. Angle B is between 11° and 35°. The second end faces of two adjacent sets of first stirring rods extend continuously and intersect to form an included angle α. The included angle α is between 33° and 135°; The two end faces of the first stirring rods in two adjacent groups are arranged in a fan shape.

8. The bio-fermentation tank for preparing microbial inoculants according to claim 6, characterized in that, A connector is installed at the end of the stirring shaft, away from the location of the servo motor. The connector is equipped with a rotating disk. The rotating disk is provided with six sets of second stirring rods integrated with it along its circumference; The second stirring rod has a third end face and a fourth end face; The third end faces of two adjacent sets of second stirring rods extend continuously and intersect to form an included angle e. The included angle e is 35°-75°; The fourth end faces of the two adjacent sets of second stirring rods extend continuously and intersect to form an included angle f. The included angle f is 121°-175°; The two end faces of the two adjacent sets of the second stirring rods are arranged in a fan shape.