Fermentation tank capable of flexibly sampling and used for food sauce processing

Abstract

The present invention discloses a food sauce processing fermentation tank capable of flexible sampling, and relates to the field of food processing, the food sauce processing fermentation tank comprises a tank body, a cover body, a control panel and a discharge port, the cover body is installed above the tank body, the control panel is arranged on the front side of the tank body, the discharge port is connected to the lower part of the tank body, a hollow cylinder penetrates through the middle part of the cover body, and the hollow cylinder is connected to the lower part of the tank body. A hollow cylinder is arranged in the tank body and rotationally connected with the cover body, a connecting rod is fixed to the surface of the hollow cylinder and located in the tank body, a stirring rod is fixed to the surface of the connecting rod, and a power input mechanism is arranged on the outer side of the hollow cylinder. According to the fermentation tank capable of flexibly sampling for food sauce processing, samples can be collected and extracted through the arrangement of the hollow cylinder, the hollow cylinder is arranged in the middle of the pipe body, a stirring rod can be arranged subsequently to stir products, the sampling structure is designed around the hollow cylinder, the original tank body structure is not influenced, and the influence on the original layout of the tank body is small.

Description

Technical Field

[0001] The invention relates to the technical field of food processing, in particular to a fermentation tank for food sauce processing capable of flexibly sampling. Background Art

[0002] When processing food sauces, the sauces can be processed by fermentation with the help of microorganisms. Fermentation, as a biochemical reaction, also has many applications in the field of food processing.

[0003] Prior art 1 (publication number CN208378888U, Chinese patent published on January 15, 2019) A braised sauce fermentation tank, including a tank body, a fixing rod is provided at the bottom of the inner cavity of the tank body, both sides of the fixing rod are fixedly connected with fixing blocks, the bottom of the fixing block is fixedly connected to the bottom of the inner wall of the tank body, a heating tube is sleeved on the surface of the fixing rod, the top of the tank body is fixedly connected with a motor, and the output end of the motor is fixedly connected with a first rotating shaft. The problem that the existing braised sauce fermentation tank does not have the function of controlling temperature is solved by the coordinated use of a fixed block, a heating tube, a fixed rod, a through hole, a stirring blade, a first rotating shaft, a motor, a shell, a processor, a touch display screen, a comparison module, a first gear, a second gear, a partition, a temperature sensor and a second rotating shaft. The braised sauce fermentation tank has the advantage of good temperature control effect and improves the fermentation efficiency; Prior art 2 (publication number CN108841720A, a Chinese patent published on November 20, 2018) A convenient sampling food processing fermentation tank comprises a sealed tank body, and the top of the sealed tank body is provided with a threaded sealing cover A feed inlet is provided, and a discharge box is provided at the bottom of the sealed tank body. A sampler for taking samples during the fermentation process so as to make timely judgment on the fermentation situation is provided on the side of the sealed tank body. The sampler has a sampling cylinder connected to the inside of the sealed tank body, and a sealing plate is provided inside the sampling cylinder and sealedly docked with the inner wall of the sampling cylinder. The sealing plate has an opening in the center and is provided with a plug slidably connected thereto, and the outer edge of the plug has a rubber sleeve. The sampler in the device has an ingenious structure and can take samples at any time during the fermentation process, which is conducive to real-time monitoring of the fermentation process and will not damage the fermentation environment in the sealed tank body, thereby avoiding problems in conventional sealed fermentation processes.

[0004] When using the current fermentation tank, it is necessary to judge the product processing status by sampling the product in the tank. Although some fermentation tanks can be sampled without opening the tank, the sampling points are fixed and it is not possible to uniformly sample and analyze products in different areas, which reduces the representativeness of subsequent samples. Summary of the invention

[0005] The object of the present invention is to provide a fermentation tank for food sauce processing with flexible sampling, so as to solve the problem proposed in the above background technology that although some fermentation tanks can be sampled without opening the tank body, their sampling points are fixed, and products in different areas cannot be sampled and analyzed uniformly, which reduces the representativeness of subsequent samples.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fermentation tank for food sauce processing with flexible sampling, comprising a tank body, a cover body, a control panel and a discharge port, wherein the cover body is installed on the top of the tank body, and a control panel is arranged on the front side of the tank body, and a discharge port is connected to the bottom of the tank body, a hollow cylinder is passed through the middle of the cover body, and a rotation connection is formed between the hollow cylinder and the cover body, a connecting rod is fixed on the surface of the hollow cylinder, and the connecting rod is located inside the tank body, and a stirring rod is fixed on the surface of the connecting rod, and a power input mechanism is arranged on the outside of the hollow cylinder to control the hollow cylinder. The rotation drives the connecting rod and the stirring rod to move, a sampling head is fixed on the surface of the connecting rod, and the inner end of the sampling head is connected to a collecting tank, and the collecting tank is opened inside the connecting rod, the inner end of the collecting tank and the interior of the hollow cylinder are interconnected, and a suction mechanism is provided inside the collecting tank to extract and sample the product in the tank through the sampling head, a sampling plug is provided inside the hollow cylinder, and the sampling plug and the inner wall of the hollow cylinder are in contact, and a moving control mechanism is connected above the sampling plug, and a sampling outlet is provided above the hollow cylinder, and the sampling plug brings the sample out through the sampling outlet.

[0007] To further optimize the technical solution, a sealing ring is provided on the surface of the cover body, and the sealing ring is provided on the outside of the hollow cylinder.

[0008] To further optimize the technical solution, the power input mechanism includes a first gear, a second gear and a motor; A first gear is fixed on the surface of the hollow cylinder; A second gear is arranged outside the first gear and meshes with the first gear; The motor is connected to the second gear to control the rotation of the second gear.

[0009] Further optimizing the technical solution, the suction mechanism includes a first one-way conductor, a fitting plug, a hollow channel, a second one-way conductor and a driving mechanism; A first one-way conductor is installed inside the sampling head, and the conducting direction of the first one-way conductor is from the tank body to the collecting tank; A fitting plug is arranged inside the collecting tank and between the collecting tanks to form a horizontal sliding structure; A hollow channel is provided through the middle of the fitting plug; A second one-way conductor is disposed inside the hollow channel, and a conducting direction of the second one-way conductor is from the hollow channel to the hollow cylinder; The driving mechanism is arranged on the outside of the fitting plug to control the movement of the fitting plug.

[0010] Further optimizing the technical solution, the driving mechanism includes a first magnet, a second magnet, a support block, a control rope, a movable shaft and an operating mechanism; A first magnet is annularly fixed on the inner side of the fitting plug; The second magnet is arranged inside the first magnet and between the first magnet so that the same magnetic poles repel each other; A support block, fixed on the outer side of the second magnet to provide support for the second magnet; A control rope is fixed on the inner side of the fitting plug and pulls the fitting plug to move; A movable shaft is rotatably mounted inside the hollow cylinder, and a surface of the movable shaft is fixedly connected to an inner end of the control rope; The operating mechanism is connected to the movable shaft to control the rotation of the movable shaft.

[0011] To further optimize the technical solution, the operating mechanism includes a transmission gear, a transmission rod, a transmission groove and a connecting gear; A transmission gear is rotatably mounted on the bottom of the hollow cylinder; A transmission rod is fixed above the transmission gear; The transmission groove is provided on the lower surface of the sampling plug, and a concave-convex matching structure is formed between the transmission rod and the transmission groove; The connecting gear is fixed at the lower end of the movable shaft, and a meshing connection is formed between the connecting gear and the transmission gear.

[0012] To further optimize the technical solution, the transmission rods are arranged in pairs on the transmission gears, and the centers of the transmission rods and the transmission gears are staggered, and the centers of the transmission gears and the sampling plugs are vertically overlapped.

[0013] To further optimize the technical solution, the inner end of the connecting rod is arranged in a downwardly inclined shape to assist the sample to flow into the hollow cylinder.

[0014] To further optimize the technical solution, the movement control mechanism includes a control rod and a conducting groove; A control rod is fixed above the sampling plug, and the upper end of the control rod penetrates the upper surface of the hollow cylinder; The conducting groove is arranged in the middle of the control rod and the sampling plug, and the upper and lower ends of the conducting groove are both arranged in an open shape to maintain the air pressure below the sampling plug stable.

[0015] To further optimize the technical solution, a positioning rod is fixed above the hollow cylinder, and the lower end of the positioning rod is flush with the lower end of the sample outlet, thereby limiting the maximum upward movement distance of the sampling plug.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The sample can be collected and extracted through the setting of the hollow cylinder, and the hollow cylinder is set in the middle of the tube body. A stirring rod can be equipped to stir the product later. The sampling structure is designed around the hollow cylinder, which does not affect the original tank structure and has little impact on the original layout of the tank.

[0017] The sampling head on the connecting rod can be used to collect samples of the product in the tank, and the connecting rods are evenly distributed, so products in different areas can be sampled, thereby improving the uniformity of sample collection.

[0018] The repulsive effect of the first magnet and the second magnet enables the fitting plug to squeeze the sample in the collection tank so that it can enter the hollow cylinder through the hollow channel to collect the sample. Subsequently, the sampling plug is moved by the control rod to bring the sample out through the sample outlet.

[0019] The control rope is rolled up by rotating the movable shaft, which can drive the fitting plug to move, so that the sampling head can absorb the external product. The rotation of the movable shaft can be controlled by a control lever, and the sampling operation can be performed manually later, which is more stable.

[0020] The sampling plug can drive the transmission gear to rotate through the connection between the transmission rod and the transmission groove, and the transmission rod and the transmission groove are disconnected when the sampling plug moves up subsequently, and sampling is stopped to prevent the sample from entering under the sampling plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the internal structure of the tank body of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the hollow cylinder of the present invention; Figure 5 This is a schematic diagram of the main cross-sectional structure of the hollow tube of the present invention; Figure 6 This is a schematic diagram of the main cross-sectional structure of the connecting rod of the present invention; Figure 7 This is a schematic diagram of the main cross-sectional structure of the fitting plug of the present invention; Figure 8 This is a schematic diagram of the top-sectional structure of the cover body of the present invention; Fig. 9 This is a schematic diagram of the main cross-sectional structure of the sampling plug of the present invention; Fig.10 It is a schematic diagram of the top view of the transmission gear structure of the present invention.

[0022] In the figure: 1. tank body; 2. cover body; 3. control panel; 4. discharge port; 5. hollow cylinder; 6. sealing ring; 7. connecting rod; 8. stirring rod; 9. first gear; 10. second gear; 11. motor; 12. sampling head; 13. first one-way conductor; 14. collecting tank; 15. fitting plug; 16. hollow channel; 17. second one-way conductor; 18. first magnet; 19. second magnet; 20. supporting block; 21. control rope; 22. movable shaft; 23. sampling plug; 24. control rod; 25. conducting groove; 26. sample outlet; 27. positioning rod; 28. transmission gear; 29. ​​transmission rod; 30. transmission groove; 31. connecting gear. DETAILED DESCRIPTION

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

[0024] See also Figure 1-Figure 10 , the present invention provides the following technical solution: a food sauce processing fermentation tank with flexible sampling, comprising a tank body 1, a cover body 2, a control panel 3 and a discharge port 4, the cover body 2 is installed above the tank body 1, and the control panel 3 is arranged on the front side of the tank body 1, and the discharge port 4 is connected to the bottom of the tank body 1; Embodiment 1: The present invention provides the following technical solution, which discloses that a hollow cylinder 5 is passed through the middle of the cover body 2, and a rotation connection is formed between the hollow cylinder 5 and the cover body 2, a connecting rod 7 is fixed on the surface of the hollow cylinder 5, and the connecting rod 7 is located inside the tank body 1, and a stirring rod 8 is fixed on the surface of the connecting rod 7, a power input mechanism is arranged on the outer side of the hollow cylinder 5, and the rotation of the hollow cylinder 5 is controlled to drive the connecting rod 7 and the stirring rod 8 to move, a sampling head 12 is fixed on the surface of the connecting rod 7, and the inner end of the sampling head 12 is connected to a collecting tank 14, and the collecting tank 14 is opened inside the connecting rod 7, the inner end of the collecting tank 14 and the inside of the hollow cylinder 5 are connected to each other, and a suction mechanism is arranged inside the collecting tank 14, and the product in the tank body 1 is sampled by the sampling head 12, a sampling plug 23 is arranged inside the hollow cylinder 5, and the sampling plug 23 and the inner wall of the hollow cylinder 5 are fitted, and a movement control mechanism is connected above the sampling plug 23, and a sampling port 26 is arranged above the hollow cylinder 5, and the sampling plug 23 takes the sample out through the sampling port 26.

[0025] When in use, the fermentation environment in the tank body 1 can be controlled through the control panel 3, and the sample in the tank body 1 can be stirred by controlling the rotation of the hollow cylinder 5 to drive the connecting rod 7 and the stirring rod 8 to make it evenly mixed. When sampling is needed later, the sample can be extracted into the hollow cylinder 5 through the suction mechanism, and the sample can be taken out with the sampling plug 23 and the sample outlet 26. There is no need to open the tank body 1, thereby reducing the contamination and impact on the sample during sampling.

[0026] Embodiment 2: Based on Embodiment 1, it is disclosed that a sealing ring 6 is provided on the surface of the cover body 2, and the sealing ring 6 is provided on the outside of the hollow cylinder 5, the power input mechanism includes a first gear 9, a second gear 10 and a motor 11, the first gear 9 is fixed on the surface of the hollow cylinder 5, the second gear 10 is provided on the outside of the first gear 9 and forms a meshing connection with the first gear 9, and the motor 11 is connected to the second gear 10 to control the rotation of the second gear 10.

[0027] When it is necessary to control the rotation of the hollow cylinder 5, the second gear 10 can be driven to rotate by the motor 11. The second gear 10 drives the hollow cylinder 5 to rotate through the engagement with the first gear 9, so that the hollow cylinder 5 drives the connecting rod 7 and the stirring rod 8 to stir the product in the tank body 1.

[0028] Embodiment 3: On the basis of embodiment 1, a suction mechanism is disclosed, which includes a first one-way conductor 13, a fitting plug 15, a hollow channel 16, a second one-way conductor 17 and a driving mechanism. The first one-way conductor 13 is installed inside the sampling head 12, and the conducting direction of the first one-way conductor 13 is from the tank body 1 to the collecting tank 14. The fitting plug 15 is arranged inside the collecting tank 14 and between the collecting tank 14 to form a horizontal sliding structure. The hollow channel 16 runs through the middle of the fitting plug 15. The second one-way conductor 17 is arranged inside the hollow channel 16, and the conducting direction of the second one-way conductor 17 is from the hollow channel 16 to the hollow cylinder 5. The driving mechanism The driving mechanism is arranged on the outer side of the fitting plug 15 to control the movement of the fitting plug 15. The driving mechanism includes a first magnet 18, a second magnet 19, a support block 20, a control rope 21, a movable shaft 22 and an operating mechanism. The first magnet 18 is annularly fixed on the inner side of the fitting plug 15. The second magnet 19 is arranged on the inner side of the first magnet 18 and between the first magnet 18. The same magnetic poles repel each other. The support block 20 is fixed on the outer side of the second magnet 19 to provide support for the second magnet 19. The control rope 21 is fixed on the inner side of the fitting plug 15 to pull the fitting plug 15 to move. The movable shaft 22 is rotatably installed inside the hollow cylinder 5, and the surface of the movable shaft 22 and the inner end of the control rope 21 are fixed. The operating mechanism is connected to the movable shaft 22 to control the rotation of the movable shaft 22. The operating mechanism includes a transmission gear 28, a transmission rod 29, a transmission groove 30 and a connecting gear 31. The transmission gear 28 is rotatably mounted on the bottom of the hollow cylinder 5. The transmission rod 29 is fixed above the transmission gear 28. The transmission groove 30 is provided on the lower surface of the sampling plug 23, and a concave-convex matching structure is formed between the transmission rod 29 and the transmission groove 30. The connecting gear 31 is fixed at the lower end of the movable shaft 22, and a meshing connection is formed between the connecting gear 31 and the transmission gear 28. The transmission rod 29 is arranged in pairs on the transmission gear 28, and the center of the transmission rod 29 is staggered with the center of the transmission gear 28. The center of the transmission gear 28 and the center of the sampling plug 23 are arranged vertically coincident, and the inner end of the connecting rod 7 is arranged in a downwardly inclined shape to assist the sample to flow into the hollow cylinder 5. The movement control mechanism includes a control rod 24 and a conducting groove 25. The control rod 24 is fixed above the sampling plug 23, and the upper end of the control rod 24 passes through the upper surface of the hollow cylinder 5. The conducting groove 25 is opened in the middle of the control rod 24 and the sampling plug 23, and the upper and lower ends of the conducting groove 25 are arranged in an open shape to maintain the air pressure below the sampling plug 23 stable. A positioning rod 27 is fixed above the hollow cylinder 5, and the lower end of the positioning rod 27 is flush with the lower end of the sample outlet 26, so as to limit the maximum upward movement distance of the sampling plug 23.

[0029] When sampling is required, the control rod 24 can be rotated, and the control rod 24 drives the transmission rod 29 and the transmission gear 28 to move through the sampling plug 23. The transmission gear 28 drives the movable shaft 22 to rotate through the meshing between the transmission gear 28 and the connecting gear 31. The movable shaft 22 reels the control rope 21, so that the control rope 21 pulls the fitting plug 15 to move, and an adsorption force is generated in the collection tank 14. The first one-way guide 13 is opened, and the sample enters the collection tank 14 through the sampling head 12. Then, the rotation control of the control rod 24 is released, and the first magnet 18 and the second magnet 18 are connected to the sample collecting tank 14. The bodies 19 repel each other, causing the fitting plug 15 to reset and move, the fitting plug 15 squeezes the sample, the second one-way conductor 17 opens, and the sample enters the interior of the hollow tube 5 through the hollow channel 16. To facilitate the entry of the sample, the connecting rod 7 can be set to an inclined shape. After the sample enters the hollow tube 5, the control rod 24 is pulled, and the sampling plug 23 moves upward, driving the sample upward. At the same time, the air pressure below the sampling plug 23 is automatically adjusted and changed through the conducting groove 25. As the sampling plug 23 moves upward, the sample will be discharged through the sample outlet 26, and the sample can be collected.

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A food sauce processing fermentation tank capable of flexible sampling, comprising a tank body (1), a cover body (2), a control panel (3) and a discharge port (4), wherein the cover body (2) is mounted above the tank body (1), the control panel (3) is arranged on the front side of the tank body (1), and the discharge port (4) is connected to the bottom of the tank body (1); Features: A hollow cylinder (5) passes through the middle of the cover body (2), and the hollow cylinder (5) and the cover body (2) are rotatably connected. A connecting rod (7) is fixed to the surface of the hollow cylinder (5), and the connecting rod (7) is located inside the tank body (1). A stirring rod (8) is fixed to the surface of the connecting rod (7). A power input mechanism is provided on the outside of the hollow cylinder (5), and the hollow cylinder (5) is controlled to rotate to drive the connecting rod (7) and the stirring rod (8) to move. A sampling head (12) is fixed to the surface of the connecting rod (7), and the inner end of the sampling head (12) is connected to a collecting tank (14), and the collecting tank (14) is connected to the inner end of the sampling head (12). The groove (14) is provided inside the connecting rod (7), the inner end of the collecting groove (14) and the inside of the hollow cylinder (5) are connected to each other, and a suction mechanism is provided inside the collecting groove (14) to extract and sample the product in the tank body (1) through the sampling head (12), a sampling plug (23) is provided inside the hollow cylinder (5), the sampling plug (23) and the inner wall of the hollow cylinder (5) are in contact with each other, and a movement control mechanism is connected above the sampling plug (23), and a sample outlet (26) is provided above the hollow cylinder (5), and the sampling plug (23) takes out the sample through the sample outlet (26).

2. A food sauce processing fermentation tank with flexible sampling according to claim 1, characterized in that: A sealing ring (6) is provided on the surface of the cover body (2), and the sealing ring (6) is arranged on the outside of the hollow cylinder (5).

3. The food sauce processing fermentation tank with flexible sampling according to claim 1, characterized in that: The power input mechanism comprises a first gear (9), a second gear (10) and a motor (11); A first gear (9) is fixed on the surface of the hollow cylinder (5); A second gear (10) is arranged on the outside of the first gear (9) and is meshedly connected with the first gear (9); The motor (11) is connected to the second gear (10) to control the rotation of the second gear (10).

4. The food sauce processing fermentation tank with flexible sampling according to claim 1, characterized in that: The suction mechanism comprises a first one-way conductor (13), a fitting plug (15), a hollow channel (16), a second one-way conductor (17) and a driving mechanism; A first one-way conductor (13) is installed inside the sampling head (12), and the conducting direction of the first one-way conductor (13) is from the tank body (1) to the collecting tank (14); A fitting plug (15) is arranged inside the collecting groove (14) and between the collecting groove (14) to form a horizontal sliding structure; A hollow channel (16) is provided through the middle of the fitting plug (15); A second one-way conductor (17) is arranged inside the hollow channel (16), and the conducting direction of the second one-way conductor (17) is from the hollow channel (16) to the hollow cylinder (5); The driving mechanism is arranged on the outside of the fitting plug (15) to control the movement of the fitting plug (15).

5. The food sauce processing fermentation tank with flexible sampling according to claim 4, characterized in that: The driving mechanism comprises a first magnet (18), a second magnet (19), a support block (20), a control rope (21), a movable shaft (22) and an operating mechanism; A first magnet (18) in an annular shape fixed on the inner side of the fitting plug (15); A second magnet (19) is arranged inside the first magnet (18) and between the first magnet (18) so that the same magnetic poles repel each other; A support block (20) is fixed on the outer side of the second magnet (19) to provide support for the second magnet (19); A control rope (21) is fixed to the inner side of the fitting plug (15) and pulls the fitting plug (15) to move; A movable shaft (22) is rotatably mounted inside the hollow cylinder (5), and a surface of the movable shaft (22) is fixedly connected to an inner end of the control rope (21); The operating mechanism is connected to the movable shaft (22) to control the rotation of the movable shaft (22).

6. A food sauce processing fermentation tank capable of flexible sampling according to claim 5, characterized in that: The operating mechanism comprises a transmission gear (28), a transmission rod (29), a transmission slot (30) and a connecting gear (31); A transmission gear (28) is rotatably mounted on the bottom of the hollow cylinder (5); A transmission rod (29) is fixed above the transmission gear (28); A transmission groove (30) is provided on the lower surface of the sampling plug (23), and a concave-convex matching structure is formed between the transmission rod (29) and the transmission groove (30); The connecting gear (31) is fixed to the lower end of the movable shaft (22), and a meshing connection is formed between the connecting gear (31) and the transmission gear (28).

7. A food sauce processing fermentation tank capable of flexible sampling according to claim 6, characterized in that: The transmission rods (29) are arranged in pairs on the transmission gear (28), and the centers of the transmission rods (29) and the transmission gear (28) are arranged staggered, and the centers of the transmission gear (28) and the sampling plug (23) are vertically overlapped.

8. The food sauce processing fermentation tank capable of flexible sampling according to claim 5, characterized in that: The inner end of the connecting rod (7) is arranged in a downwardly inclined shape to assist the sample to flow into the hollow cylinder (5).

9. A food sauce processing fermentation tank capable of flexible sampling according to claim 1 or 7, characterized in that: The movement control mechanism comprises a control rod (24) and a conducting groove (25); A control rod (24) is fixed above the sampling plug (23), and the upper end of the control rod (24) penetrates the upper surface of the hollow cylinder (5); The conducting groove (25) is provided in the middle of the control rod (24) and the sampling plug (23), and the upper and lower ends of the conducting groove (25) are both arranged in an open shape to maintain the air pressure below the sampling plug (23) stable.

10. The food sauce processing fermentation tank capable of flexible sampling according to claim 9, characterized in that: A positioning rod (27) is fixed above the hollow cylinder (5), and the lower end of the positioning rod (27) is flush with the lower end of the sample outlet (26), thereby limiting the maximum upward movement distance of the sampling plug (23).

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