Fermentation tank for producing microbial agent

Abstract

The utility model discloses a fermentation tank for microbial agent production, which relates to the technical field of microbial agent production and comprises a fermentation tank, a sealing plate is arranged at the bottom of the inner wall of the fermentation tank, aeration discs are arranged on two sides of the surface of the sealing plate, a connecting pipe is arranged between the two aeration discs, and a sealing pipe is arranged at the top end of the sealing plate. A mounting pipe is arranged in the middle of the surface of the sealing pipe, a heating pipe is arranged on the surface of the mounting pipe, and a temperature sensor is arranged on one side of the bottom of the inner wall of the sealing pipe; the device has the advantages that in order to provide a growth environment with sufficient oxygen for aerobic bacteria, sufficient oxygen is conveyed to the aeration disc through cooperation of the air inlet pipe, the aeration disc converts the oxygen into a plurality of tiny bubbles, in order to enable fermentation liquor to make full contact with the oxygen, the fermentation liquor is rotated through cooperation of the connecting rod and the stirring plate, and therefore the fermentation liquor can be fully stirred. The contact area of fermentation liquor and oxygen is increased, so that the dissolved oxygen in the fermentation liquor is more uniform, and the fermentation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a fermentation tank, in particular to a fermentation tank for producing microbial inoculants, belonging to the technical field of microbial inoculant production. Background Art

[0002] In the production process of microbial inoculants, fermentation is a key step, which directly affects the quality and yield of the inoculants. Although the existing fermentation tanks can meet the production needs to a certain extent, they still need to be improved in terms of fermentation efficiency, energy utilization, and ease of operation. Therefore, a fermentation tank for the production of microbial inoculants is needed;

[0003] Among them, the "fermentation tank for producing microbial inoculants" disclosed in the application number "CN202222317498.7" is also an increasingly mature technology, including a tank body, a cover body is arranged on the top of the tank body, a discharge pipe is fixedly installed and inserted on the bottom of the tank body, support legs are fixedly installed on both sides of the bottom of the tank body, and a feed pipe is fixedly installed and inserted on one side of the top of the cover body. This fermentation tank for producing microbial inoculants is used in coordination with the tank body, the cover body, the support legs, the discharge pipe, the annular fixing part, the electric telescopic rod, the annular movable part, the feed pipe, the rotating drum, the transmission mechanism, the motor and the transverse stirring rod. The stirring mechanism will move to the outside of the tank body with the cover body, and the stirring mechanism can be cleaned on the outside of the tank body, with a good field of view, convenient cleaning, and can be quickly cleaned. After cleaning, the cover body is reset by driving the electric telescopic rod, and the sealing of the tank body during use is ensured by setting a sealing gasket at the connection between the cover body and the tank body.

[0004] However, the above method still has the following defects in actual use: it is not convenient to provide a growth environment with sufficient oxygen for aerobic bacteria in microbial fermentation, and no insulation and heating structure is provided, so the temperature in the fermentation chamber cannot be accurately controlled, which easily affects the fermentation efficiency. Utility Model Content

[0005] The utility model aims to provide a fermentation tank for producing microbial inoculants, so as to solve the problem in the above background technology that it is not convenient to provide a growth environment with sufficient oxygen for aerobic bacteria in microbial fermentation and no heat preservation and heating structure is provided.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fermentation tank for producing microbial inoculants, comprising a fermentation tank, a sealing plate is arranged at the bottom of the inner wall of the fermentation tank, aeration plates are arranged on both sides of the surface of the sealing plate, a connecting pipe is arranged between the two aeration plates, a sealing tube is arranged at the top of the sealing plate, a mounting tube is arranged in the middle of the surface of the sealing tube, a heating tube is arranged on the surface of the mounting tube, a temperature sensor is arranged on one side of the bottom of the inner wall of the sealing tube, and a stirring assembly is arranged in the middle of the sealing plate.

[0007] As a preferred technical solution of the utility model, an air inlet pipe is arranged on one side of the two aeration plates, a backflow prevention valve is arranged in the middle of the surface of each air inlet pipe, and a regulating valve is arranged on one side of the surface of each air inlet pipe.

[0008] As a preferred technical solution of the utility model, a sealing cover is provided at the top of the fermentation tank, and an air outlet pipe is provided on one side of the top of the sealing cover.

[0009] As a preferred technical solution of the utility model, the stirring assembly includes a stirring shaft, which is rotatably arranged in the middle of the sealing plate, a first connecting block is arranged at the top end of the stirring shaft, a connecting rod is arranged at the top end of the first connecting block, a stirring plate is arranged on the surface of the connecting rod, and a second connecting block is arranged at the top end of the connecting rod.

[0010] As a preferred technical solution of the utility model, a servo motor is arranged in the middle of the bottom end of the sealing plate through a motor seat, and the transmission shaft of the servo motor is fixedly connected to the bottom end of the stirring shaft.

[0011] As a preferred technical solution of the utility model, a connecting ring is provided at the bottom end of the fermentation tank, an inspection cover is provided at the bottom end of the connecting ring through bolts, and a ventilation hole is opened at the bottom end of the inspection cover.

[0012] As a preferred technical solution of the utility model, a discharge pipe is arranged at the bottom of the sealing tube, and a discharge valve is arranged in the middle of the discharge pipe.

[0013] As a preferred technical solution of the utility model, a support frame is provided at the bottom of the fermentation tank, and a support foot is provided at the bottom end of the support frame.

[0014] Compared with the related art, the fermentation tank for producing microbial inoculants provided by the utility model has the following beneficial effects:

[0015] 1. In order to provide a growth environment with sufficient oxygen for aerobic bacteria, sufficient oxygen is delivered to the aeration plate through the cooperation of the air inlet pipe. The aeration plate converts the oxygen into a number of tiny bubbles. In order to make the fermentation liquid fully contact with oxygen, the fermentation liquid is rotated through the cooperation of the connecting rod and the stirring plate, which increases the contact area between the fermentation liquid and oxygen, makes the dissolved oxygen content in the fermentation liquid more uniform, and improves the fermentation efficiency;

[0016] 2. In order to provide a suitable temperature environment for bacterial colony fermentation, the heating tube transfers the generated heat to the fermentation liquid inside the sealed tube through the installation tube. The fermentation tank and the sealed tube provide a double-layer insulation structure for the fermentation liquid. At the same time, a temperature sensor for detecting the ambient temperature is arranged on the inner wall of the sealed tube. The temperature sensor is electrically connected to the display. The temperature sensor transmits the detected temperature information to the display for the convenience of observation by the staff, thereby achieving the purpose of accurately controlling the temperature of the fermentation chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the aeration plate of the utility model;

[0021] Figure 5 It is an enlarged structural schematic diagram of the stirring assembly of the utility model.

[0022] In the figure: 1. fermentation tank; 101. connecting ring; 102. inspection cover; 103. ventilation hole; 104. discharge pipe; 111. sealing cover; 1111. outlet pipe; 112. support frame; 113. support foot; 2. sealing plate; 3. aeration plate; 4. connecting pipe; 5. air inlet pipe; 51. backflow prevention valve; 52. regulating valve; 6. sealing pipe; 7. mounting pipe; 8. heating pipe; 81. temperature sensor; 82. mounting block; 83. display; 9. stirring assembly; 91. stirring shaft; 92. first connecting block; 93. connecting rod; 931. second connecting block; 94. stirring plate; 95. servo motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See also Figure 1-5The utility model provides a fermentation tank for producing microbial inoculants, comprising a fermentation tank 1, a sealing plate 2 is fixedly arranged at the bottom of the inner wall of the fermentation tank 1, aeration plates 3 are fixedly arranged on both sides of the surface of the sealing plate 2, a plurality of air outlet holes are opened on the surface of the aeration plates 3, a connecting pipe 4 is fixedly arranged between the two aeration plates 3, a sealing tube 6 is fixedly arranged at the top of the sealing plate 2, the inside of the sealing tube 6 is used to place the fermentation liquid for producing microbial inoculants, a mounting tube 7 is fixedly arranged in the middle of the surface of the sealing tube 6, a heating tube 8 is fixedly arranged on the surface of the mounting tube 7, a temperature sensor 81 is fixedly arranged on one side of the bottom of the inner wall of the sealing tube 6, and a stirring component 9 is arranged in the middle of the sealing plate 2;

[0026] An air inlet pipe 5 is provided on one side of the two aeration plates 3, one end of the air inlet pipe 5 is connected to an external oxygen supply device, a backflow prevention valve 51 is provided in the middle of the surface of each air inlet pipe 5 to prevent the fermentation liquid from flowing back, and a regulating valve 52 is provided on one side of the surface of each air inlet pipe 5 to adjust the oxygen flow rate through the regulating valve 52;

[0027] A sealing cover 111 is provided at the top of the fermentation tank 1, and an air outlet pipe 1111 is provided on one side of the top of the sealing cover 111, through which waste gas generated during the fermentation process is discharged;

[0028] A connecting ring 101 is provided at the bottom end of the fermentation tank 1, and an inspection cover 102 is provided at the bottom end of the connecting ring 101 through bolts. The easily removable inspection cover 102 is convenient for the staff to inspect and maintain the electrical appliances. A ventilation hole 103 is provided at the bottom end of the inspection cover 102, and the ventilation hole 103 improves the ventilation effect and facilitates the heat dissipation of the internal electrical appliances.

[0029] A discharge pipe 104 is provided at the bottom of the sealing tube 6, and a discharge valve is provided in the middle of the discharge pipe 104 for controlling the discharge. A mounting block 82 is provided on the surface of the fermentation tank 1, and a display 83 is provided on the top of the mounting block 82. The display 83 is electrically connected to the temperature sensor 81.

[0030] A support frame 112 is provided at the bottom of the fermentation tank 1, and a support foot 113 is provided at the bottom end of the support frame 112, and the fermentation tank 1 for producing microbial inoculants is supported by the support foot 113;

[0031] Specifically, first, the backflow prevention valve 51 prevents the fermentation liquid inside the sealed tube 6 from flowing back and affecting the operation of the oxygen supply equipment. The regulating valve 52 on one side of the surface of each air inlet pipe 5 is used to adjust the oxygen flow rate, thereby adjusting the concentration value in contact with the fermentation liquid. The easily removable inspection cover 102 is convenient for the staff to inspect and maintain the electrical appliance. The temperature sensor 81 transmits the detected temperature information to the display 83 for the convenience of observation by the staff, thereby achieving the purpose of accurately controlling the temperature of the fermentation chamber.

[0032] Embodiment 2:

[0033] The stirring assembly 9 includes a stirring shaft 91, which is rotatably arranged in the middle of the sealing plate 2, a first connecting block 92 is arranged at the top of the stirring shaft 91, a connecting rod 93 is arranged at the top of the first connecting block 92, a stirring plate 94 is arranged on the surface of the connecting rod 93, and a second connecting block 931 is arranged at the top of the connecting rod 93;

[0034] A servo motor 95 is provided in the middle of the bottom end of the sealing plate 2 through a motor seat, and a transmission shaft of the servo motor 95 is fixedly connected to the bottom end of the stirring shaft 91, and the stirring shaft 91 is driven to rotate by the transmission shaft of the servo motor 95;

[0035] Specifically, first, the transmission shaft of the servo motor 95 drives the stirring shaft 91 to rotate, so that the connecting rod 93 and the stirring plate 94 arranged at the top of the stirring shaft 91 rotate synchronously, and the fermentation liquid is rotated by the cooperation of the connecting rod 93 and the stirring plate 94, thereby increasing the contact area between the fermentation liquid and oxygen, and making the dissolved oxygen content in the fermentation liquid more uniform.

[0036] When in use, firstly, the fermentation tank 1 for producing microbial inoculants is moved to a suitable position through the support feet 113 at the bottom end of the support frame 112, and the fermentation liquid for producing microbial inoculants is placed in the sealed tube 6 by opening the sealed cover 111. A heating tube 8 is arranged on the outside of the sealed tube 6 through the mounting tube 7. The heating tube 8 is set to a suitable temperature. The heating tube 8 transmits the generated heat to the fermentation liquid inside the sealed tube 6 through the mounting tube 7. The fermentation tank 1 and the sealed tube 6 provide a double-layer insulation structure for the fermentation liquid. At the same time, a temperature sensor 81 for detecting the ambient temperature is arranged on the inner wall of the sealed tube 6. The temperature sensor 81 is electrically connected to the display 83. The temperature sensor 81 transmits the detected temperature information to the display 83 for the convenience of observation by the staff, thereby realizing precise control of the fermentation liquid. For the purpose of the fermentation chamber temperature, in order to provide a growth environment with sufficient oxygen for aerobic bacteria, one end of the two air inlet pipes 5 is connected to the air outlet end of the external oxygen supply equipment, and sufficient oxygen is delivered to the aeration plate 3 through the cooperation of the air inlet pipes 5. The aeration plate 3 converts oxygen into a number of tiny bubbles through a number of air outlet holes of the body. In order to make the fermentation liquid fully contact with oxygen, a rotatable stirring shaft 91 is provided in the middle of the sealing plate 2, and the transmission shaft of the servo motor 95 drives the stirring shaft 91 to rotate, so that the connecting rod 93 and the stirring plate 94 set at the top of the stirring shaft 91 rotate synchronously, and the fermentation liquid is rotated by the cooperation of the connecting rod 93 and the stirring plate 94, thereby increasing the contact area between the fermentation liquid and oxygen, making the dissolved oxygen content in the fermentation liquid more uniform, and improving the fermentation efficiency.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fermentation tank for producing microbial inoculants, comprising a fermentation tank (1), characterized in that: A sealing plate (2) is provided at the bottom of the inner wall of the fermentation tank (1), aeration plates (3) are provided on both sides of the surface of the sealing plate (2), a connecting pipe (4) is provided between the two aeration plates (3), a sealing tube (6) is provided at the top of the sealing plate (2), a mounting tube (7) is provided in the middle of the surface of the sealing tube (6), a heating tube (8) is provided on the surface of the mounting tube (7), a temperature sensor (81) is provided on one side of the bottom of the inner wall of the sealing tube (6), and a stirring assembly (9) is provided in the middle of the sealing plate (2).

2. A fermentation tank for producing microbial inoculants according to claim 1, characterized in that: An air inlet pipe (5) is arranged on one side of the two aeration plates (3), a backflow prevention valve (51) is arranged in the middle of the surface of each air inlet pipe (5), and a regulating valve (52) is arranged on one side of the surface of each air inlet pipe (5).

3. The fermentation tank for producing microbial inoculants according to claim 1, characterized in that: A sealing cover (111) is disposed at the top end of the fermentation tank (1), and an air outlet pipe (1111) is disposed on one side of the top end of the sealing cover (111).

4. The fermentation tank for producing microbial inoculants according to claim 1, characterized in that: The stirring assembly (9) comprises a stirring shaft (91), the stirring shaft (91) being rotatably arranged in the middle of the sealing plate (2), a first connecting block (92) being arranged at the top end of the stirring shaft (91), a connecting rod (93) being arranged at the top end of the first connecting block (92), a stirring plate (94) being arranged on the surface of the connecting rod (93), and a second connecting block (931) being arranged at the top end of the connecting rod (93).

5. A fermentation tank for producing microbial inoculants according to claim 4, characterized in that: A servo motor (95) is arranged in the middle of the bottom end of the sealing plate (2) via a motor seat, and a transmission shaft of the servo motor (95) is fixedly connected to the bottom end of the stirring shaft (91).

6. The fermentation tank for producing microbial inoculants according to claim 1, characterized in that: The bottom end of the fermentation tank (1) is provided with a connecting ring (101), the bottom end of the connecting ring (101) is provided with an inspection cover (102) via bolts, and the bottom end of the inspection cover (102) is provided with a ventilation hole (103).

7. The fermentation tank for producing microbial inoculants according to claim 1, characterized in that: A discharge pipe (104) is arranged at the bottom of the sealing tube (6), a discharge valve is arranged in the middle of the discharge pipe (104), a mounting block (82) is arranged on the surface of the fermentation tank (1), and a display (83) is arranged at the top of the mounting block (82).

8. The fermentation tank for producing microbial inoculants according to claim 1, characterized in that: A support frame (112) is provided at the bottom of the fermentation tank (1), and a support foot (113) is provided at the bottom end of the support frame (112).

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