A microbial fermentation tank for pickling flavored vegetables

Abstract

This utility model belongs to the field of fermentation tanks, specifically relating to a microbial fermentation tank for pickling flavored vegetables. It includes a fermentation tank with a lid on top. A motor is fixedly installed at the upper center of the lid, and the motor's output shaft passes through the lid and is connected to it via a sealed bearing. A rotating shaft is fixedly connected to the end of the output shaft, and multiple stirring rods are fixedly connected to the shaft. An automatic pressure relief mechanism is provided on the lid, and a controller is located on the front of the fermentation tank. The motor and controller are electrically connected. This utility model achieves automatic pressure relief by incorporating an automatic pressure relief mechanism on the lid. When the air pressure inside the fermentation tank rises, the plug is pushed up by the pressure, and the pressure is automatically released through the vent on the hollow cylinder. When the air pressure inside the fermentation tank stabilizes, the plug returns to its original position under the action of a spring, and this process repeats, achieving the purpose of automatic pressure relief.

Description

Technical Field

[0001] This utility model relates to the field of fermentation tank technology, and in particular to a microbial fermentation tank for pickling flavored vegetables. Background Technology

[0002] In traditional vegetable pickling processes, fermentation usually relies on natural microorganisms (such as lactic acid bacteria) in open or semi-open containers (such as earthenware jars or wooden barrels).

[0003] A search revealed a utility model patent with authorization announcement number CN211420140U, which discloses a fermentation device for pickling vegetables, including a fermentation tank and an annular water pipe. The outer surface of the fermentation tank is fixed with a support, and the bottom of the fermentation tank is fixed with a hydraulic cylinder. An electric water outlet valve passes through the bottom of the fermentation tank, and a top cover is fixed to the top of the fermentation tank by a second bolt. The annular water pipe is located inside the top cover, and a spray head is located at the bottom of the annular water pipe. A sight glass and an air extraction pipe pass through the top of the top cover, and the air extraction pipe is located on the right side of the sight glass.

[0004] However, during vegetable fermentation, the pressure inside the tank gradually increases, requiring staff to periodically depressurize, which is quite troublesome. Furthermore, because the fermentation process is static, the fermentation cycle is long. Therefore, improvements are needed. Utility Model Content

[0005] This invention provides a microbial fermentation tank for pickling flavored vegetables, which solves the problem of existing fermentation tanks requiring manual depressurization and also addresses the issue of long fermentation cycles.

[0006] To solve the above-mentioned technical problems, this utility model provides a microbial fermentation tank for pickling flavored vegetables, including a fermentation tank, a tank lid placed on the top of the fermentation tank, an electric motor fixedly installed in the middle of the upper end of the tank lid, the output shaft of the electric motor passing through the tank lid and connected to the tank lid through a sealed bearing, a rotating shaft fixedly connected to the end of the output shaft, multiple stirring rods fixedly connected to the shaft body of the rotating shaft, an automatic pressure relief mechanism provided on the tank lid, a controller provided on the front of the fermentation tank, the electric motor and the controller being electrically connected, and a drain pipe connected to the center of the bottom of the fermentation tank, with a valve provided on the pipe body.

[0007] Preferably, a positioning ring is fixedly connected to the bottom of the lid, and the positioning ring is slidably connected to the inside of the upper opening of the fermentation tank. A sealing ring is embedded in the outer wall of the positioning ring, and the sealing ring abuts against the inner wall of the fermentation tank. The positioning ring and the sealing ring serve to position and seal the lid on the fermentation tank.

[0008] Preferably, a connecting block is fixedly connected to the side of the tank lid, a support base is fixedly connected to the outer wall of the fermentation tank, a cylinder is fixedly installed at the upper end of the support base, and the end of the telescopic shaft of the cylinder is fixedly connected to the connecting block. The cooperation between the cylinder and the connecting block facilitates the opening and closing of the tank lid.

[0009] Preferably, the bottom edge of the fermentation tank is fixedly connected to multiple support legs, which are arranged in a circular array along the fermentation tank. The support legs provide overall support.

[0010] Preferably, the automatic pressure relief mechanism includes a hollow cylinder fixedly connected inside the tank lid, and the hollow cylinder penetrates the tank lid. Multiple air vents are provided on the side wall of the hollow cylinder. A tapered tube is fixedly connected to the inner wall of the hollow cylinder. Two support rods are fixedly connected to the lower inner side of the tapered tube. A support block is fixedly connected between the two support rods. A guide sleeve is fixedly connected to the upper end of the support block. A guide rod is slidably connected inside the guide sleeve. A plug is fixedly connected to the top of the guide rod. The plug is slidably connected to the narrow opening at the upper end of the tapered tube. A top rod is fixedly connected to the upper end of the plug. A contact switch is provided at the top inner side of the hollow cylinder. The position of the contact switch corresponds to the position of the top rod. The contact switch is electrically connected to the controller. The automatic pressure relief mechanism facilitates the automatic release of gas pressure inside the fermenter while simultaneously activating a motor with an equivalent pressure relief duration.

[0011] Preferably, a spring is provided inside the guide sleeve, one end of which is fixedly connected to the guide rod, and the other end of which is fixedly connected to the inner surface of the guide sleeve. The spring provides an automatic resetting function for the plug.

[0012] Preferably, a retaining ring is fixedly connected to the outer side of the guide sleeve, and a corrugated sleeve is fixedly connected to the upper end of the retaining ring. The corrugated sleeve is fixedly connected to the plug. The corrugated sleeve provides rust protection for the spring.

[0013] Compared with related technologies, the microbial fermentation tank for pickling flavored vegetables provided by this utility model has the following beneficial effects: This utility model provides a microbial fermentation tank for pickling flavored vegetables. By setting an automatic pressure relief mechanism on the lid of the fermentation tank, when the air pressure inside the fermentation tank rises, the plug will be pushed up by the air pressure, and then the air pressure will be automatically discharged through the air outlet on the hollow cylinder. When the air pressure inside the fermentation tank stabilizes, the plug will be reset under the action of the spring. This process is repeated to achieve the purpose of automatic pressure relief.

[0014] This invention provides a microbial fermentation tank for pickling flavored vegetables. Through the linkage design of an automatic pressure relief mechanism, a controller, and a motor, when the gas pressure inside the tank rises, the plug is lifted to trigger a contact switch. The controller simultaneously starts the motor to drive the rotating shaft and stirring rod to stir, promoting gas release and material mixing, and promoting uniform fermentation of vegetables. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the overall structure of this utility model; Figure 2 This utility model Figure 1 A schematic diagram of the internal structure of the fermenter; Figure 3 This utility model Figure 1 A front sectional view; Figure 4 This utility model Figure 3 Enlarged view of the automatic pressure relief mechanism.

[0016] In the diagram: 1. Fermentation tank; 2. Tank lid; 3. Electric motor; 4. Rotating shaft; 5. Stirring rod; 6. Automatic pressure relief mechanism; 7. Positioning ring; 8. Sealing ring; 9. Connecting block; 10. Support base; 11. Cylinder; 12. Drain pipe; 13. Support leg; 14. Controller; 60. Hollow cylinder; 61. Conical tube; 62. Support rod; 63. Support block; 64. Guide sleeve; 65. Guide rod; 66. Plug; 67. Spring; 68. Fixing ring; 69. Corrugated sleeve; 610. Vent hole; 611. Top rod; 612. Contact switch. Detailed Implementation

[0017] Please see Figure 1 , Figure 2 , Figure 3A microbial fermentation tank for pickling flavored vegetables includes a fermentation tank 1, a lid 2 on top of the fermentation tank 1, an electric motor 3 fixedly mounted at the upper center of the lid 2, an output shaft of the electric motor 3 passing through the lid 2 and connected to the lid 2 via a sealed bearing, a rotating shaft 4 fixedly connected to the end of the output shaft, multiple stirring rods 5 fixedly connected to the shaft of the rotating shaft 4, a positioning ring 7 fixedly connected to the bottom of the lid 2, the positioning ring 7 slidably connected to the inner side of the upper opening of the fermentation tank 1, a sealing ring 8 embedded in the outer wall of the positioning ring 7, and the sealing ring 8 abutting against the inner wall of the fermentation tank 1. The positioning ring 7 and the sealing ring 8 provide positioning and sealing for the lid 2 on the fermentation tank 1. A connecting block 9 is fixedly connected to the side of the lid 2, a support base 10 is fixedly connected to the outer wall of the fermentation tank 1, a cylinder 11 is fixedly mounted at the upper end of the support base 10, and the end of the telescopic shaft of the cylinder 11 is fixedly connected to the connecting block 9. The cylinder 11 and connecting block 9 work together to facilitate the opening and closing of the tank lid 2. A controller 14 is located on the front of the fermenter 1, and the motor 3 is electrically connected to the controller 14. A drain pipe 12 is connected to the center of the bottom of the fermenter 1, and a valve is installed on the body of the drain pipe 12. Multiple support legs 13 are fixedly connected to the bottom edge of the fermenter 1, and the multiple support legs 13 are distributed in a circular array along the fermenter 1. The support legs 13 provide support for the entire system.

[0018] Please see Figure 3 , Figure 4The tank lid 2 is equipped with an automatic pressure relief mechanism 6. This mechanism allows for the automatic release of pressure within the fermenter 1 while simultaneously activating a motor 3 with an equal pressure relief duration. The automatic pressure relief mechanism 6 includes a hollow cylinder 60 fixedly connected inside the tank lid 2, penetrating the tank lid 2. Multiple air vents 610 are provided on the side wall of the hollow cylinder 60. A tapered tube 61 is fixedly connected to the inner wall of the hollow cylinder 60, and two support rods 62 are fixedly connected to the lower inner side of the tapered tube 61. A support block 63 is fixedly connected between the two tubes. A guide sleeve 64 is fixedly connected to the upper end of the support block 63. A guide rod 65 is slidably connected inside the guide sleeve 64. A plug 66 is fixedly connected to the top of the guide rod 65. The plug 66 is slidably connected to the narrow opening at the upper end of the tapered tube 61. A push rod 611 is fixedly connected to the upper end of the plug 66. A contact switch 612 is provided on the top inner side of the hollow cylinder 60. The position of the contact switch 612 corresponds to the position of the push rod 611. The contact switch 612 is electrically connected to the controller 14. A spring 67 is provided inside the guide sleeve 64. One end of the spring 67 is fixedly connected to the guide rod 65, and the other end of the spring 67 is fixedly connected to the inner surface of the guide sleeve 64. The spring 67 provides an automatic reset function for the plug 66. A fixing ring 68 is fixedly connected to the outer side of the guide sleeve 64. A corrugated sleeve 69 is fixedly connected to the upper end of the fixing ring 68. The corrugated sleeve 69 is fixedly connected to the plug 66. The corrugated sleeve 69 provides rust protection for the spring 67.

[0019] Working principle: In use, the cleaned vegetables and microbial inoculum are first put into the fermentation tank 1. Then, the cylinder 11 drives the tank lid 2 to close through the connecting block 9, and then natural fermentation can begin. During the fermentation process, the air pressure in the fermentation tank 1 will increase. When the air pressure in the fermentation tank 1 increases, the plug 66 will be pushed up by the air pressure, and then the air pressure will be automatically discharged through the air outlet 610 on the hollow cylinder 60. When the air pressure in the fermentation tank 1 stabilizes, the plug 66 will be reset by the action of the spring 67. This process is repeated to achieve the purpose of automatic pressure relief. When the plug 66 is pushed up, the push rod 611 on the plug 66 triggers the contact switch 612. At this time, the controller 14 synchronously starts the motor 3 to drive the rotating shaft 4 and the stirring rod 5 to stir, promote gas release and material mixing, and promote the uniform fermentation of vegetables.

Claims

1. A microbial fermentation tank for pickling flavored vegetables, comprising a fermentation tank (1), characterized in that: The fermenter (1) has a lid (2) on top. A motor (3) is fixedly installed in the middle of the upper end of the lid (2). The output shaft of the motor (3) passes through the lid (2) and is connected to the lid (2) through a sealed bearing. A rotating shaft (4) is fixedly connected to the end of the output shaft. Multiple stirring rods (5) are fixedly connected to the shaft of the rotating shaft (4). An automatic pressure relief mechanism (6) is provided on the lid (2). A controller (14) is provided on the front of the fermenter (1). The motor (3) is electrically connected to the controller (14). A drain pipe (12) is connected to the center of the bottom of the fermenter (1). A valve is provided on the body of the drain pipe (12).

2. The microbial fermentation tank for pickling flavored vegetables according to claim 1, characterized in that: The bottom of the lid (2) is fixedly connected to a positioning ring (7), which is slidably connected to the inner side of the upper opening of the fermentation tank (1). A sealing ring (8) is embedded in the outer wall of the positioning ring (7), and the sealing ring (8) abuts against the inner wall of the fermentation tank (1).

3. A microbial fermentation tank for pickling flavored vegetables according to claim 1, characterized in that: A connecting block (9) is fixedly connected to the side of the can lid (2), and a support base (10) is fixedly connected to the outer wall of the fermentation tank (1). A cylinder (11) is fixedly installed at the upper end of the support base (10), and the end of the telescopic shaft of the cylinder (11) is fixedly connected to the connecting block (9).

4. A microbial fermentation tank for pickling flavored vegetables according to claim 1, characterized in that: The bottom edge of the fermentation tank (1) is fixedly connected to multiple support legs (13), and the multiple support legs (13) are distributed in a ring array along the fermentation tank (1).

5. A microbial fermentation tank for pickling flavored vegetables according to claim 1, characterized in that: The automatic pressure relief mechanism (6) includes a hollow cylinder (60) fixedly connected inside the can lid (2), and the hollow cylinder (60) is provided through the can lid (2). The side wall of the hollow cylinder (60) is provided with multiple air outlets (610). A tapered tube (61) is fixedly connected to the inner wall of the hollow cylinder (60). Two support rods (62) are fixedly connected to the lower inner side of the tapered tube (61). A support block (63) is fixedly connected between the two support rods (62). A guide sleeve (64) is fixedly connected to the upper end of the support block (63). The guide sleeve (64) is slidably connected to a guide rod (65), and a plug (66) is fixedly connected to the top of the guide rod (65). The plug (66) is slidably connected to the upper narrow opening of the tapered tube (61). A top rod (611) is fixedly connected to the upper end of the plug (66). A contact switch (612) is provided on the top of the inner side of the hollow cylinder (60). The position of the contact switch (612) corresponds to the position of the top rod (611). The contact switch (612) is electrically connected to the controller (14).

6. A microbial fermentation tank for pickling flavored vegetables according to claim 5, characterized in that: A spring (67) is provided inside the guide sleeve (64). One end of the spring (67) is fixedly connected to the guide rod (65), and the other end of the spring (67) is fixedly connected to the inner surface of the guide sleeve (64).

7. A microbial fermentation tank for pickling flavored vegetables according to claim 5, characterized in that: A fixing ring (68) is fixedly connected to the outer side of the guide sleeve (64), and a corrugated sleeve (69) is fixedly connected to the upper end of the fixing ring (68). The corrugated sleeve (69) is fixedly connected to the plug (66).

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