Circulating cooling device for food fermentation

Abstract

The utility model discloses a circulating cooling device for food fermentation, which relates to the technical field of circulating cooling and comprises a fermentation tank and a cooling layer arranged on the outer side of the fermentation tank. The stirring motor is arranged at the top end of the fermentation tank; the heat exchanger is arranged on one side of the fermentation tank and is used for adjusting the temperature of the cooling liquid; the water feeder is arranged on one side of the heat exchanger and used for providing cooling liquid; the circulating pipeline is arranged between the cooling layer and the heat exchanger and between the heat exchanger and the water feeder and is used for circulating the cooling liquid; the cooling promoting mechanism is arranged between the circulating pipelines and used for promoting circulation of the cooling liquid; and the filtering mechanism is arranged on one side of the cooling promoting mechanism and located in the circulating pipeline. According to the utility model, impurities are effectively prevented from influencing the cooling circulation efficiency of the cooling liquid, the circulation speed and uniformity of the cooling liquid are improved, the butter fermentation efficiency is improved, and the stability of the butter texture is ensured.

Description

Technical Field

[0001] This utility model relates to the field of circulating cooling technology, and more specifically, to a circulating cooling device for food fermentation. Background Technology

[0002] Butter fermentation is a process that improves the flavor and texture of butter through the action of microorganisms. Typically, butter fermentation is achieved by adding lactic acid bacteria under specific conditions. The butter containing the fermenting bacteria is placed at a specific temperature (usually 18°C ​​to 22°C) to allow the lactic acid bacteria to ferment.

[0003] Temperature fluctuations affect the activity of fermenting bacteria. Excessive temperature during fermentation leads to overactive lactic acid bacteria, resulting in high acidity and further impacting the flavor and texture of the butter. Therefore, a circulating cooling system is necessary during butter fermentation.

[0004] Although current circulating cooling devices can clean impurities in the circulating pipes and prevent a decrease in cooling efficiency, in actual operation, the coolant may face problems such as poor flow or backflow during the cooling circulation. This not only affects the circulation speed and uniformity of the coolant but also leads to a significant decrease in overall cooling efficiency, thereby affecting the stable operation of the circulating cooling device and the fermentation quality of the butter. Therefore, there is an urgent need to design a circulating cooling device for food fermentation.

[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0006] In view of the problems in the related technologies, this utility model proposes a circulating cooling device for food fermentation to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] Therefore, the specific technical solution adopted by this utility model is as follows:

[0008] A circulating cooling device for food fermentation includes: a fermentation tank; a cooling layer disposed on the outside of the fermentation tank; a stirring motor disposed at the top of the fermentation tank; a heat exchanger disposed on one side of the fermentation tank for regulating the temperature of the coolant; a water supply device disposed on one side of the heat exchanger for supplying coolant; circulating pipes disposed between the cooling layer and the heat exchanger and between the heat exchanger and the water supply device for circulating the coolant; a cooling promotion mechanism disposed between the circulating pipes for promoting the circulation of the coolant; and a filtration mechanism disposed on one side of the cooling promotion mechanism and located inside the circulating pipes.

[0009] Furthermore, to ensure the coolant flows through the cooling layer, heat exchanger, water supply, and circulation pipes, forming a cooling cycle to improve the efficiency of butter fermentation, enhance temperature control during fermentation, and ensure the stability of the butter's texture, cooling pipes are installed inside the cooling layer. These cooling pipes are orderly wound around the outer wall of the fermentation tank, and both ends of the cooling pipes are connected to the circulation pipes. A control panel and a temperature sensor are installed sequentially from bottom to top on the outer side of the cooling layer. The circulation pipes include: inlet pipe 1, located at the top of the heat exchanger and water supply; inlet pipe 2, located at the top of the cooling layer and heat exchanger; outlet pipe 1, located at the bottom of the cooling layer and heat exchanger; and outlet pipe 2, located at the bottom of the heat exchanger and water supply. Cooling promotion mechanisms and filtration mechanisms are installed inside inlet pipe 1, inlet pipe 2, outlet pipe 1, and outlet pipe 2.

[0010] Furthermore, in order to effectively prevent the coolant from flowing backward in the circulating cooling device and ensure that the coolant always maintains a unidirectional positive circulation, avoiding a decrease in cooling efficiency due to fluid turbulence or pressure fluctuations, and further improving the efficiency of the circulating cooling device, the cooling promotion mechanism includes a flow plate disposed between the circulating pipes. The flow plate has an inlet on one side and an outlet on the other side, and the inlet and outlet are connected by an internal channel. The internal channel includes a main channel connecting the inlet and outlet, and branch channels are provided on both sides of the main channel. The branch channels are composed of several teardrop-shaped ring structures connected to the main channel.

[0011] Furthermore, to ensure the active filter plate is securely fixed within the circulation pipe, which not only helps filter impurities but also facilitates replacement and maintenance, thus improving the overall efficiency of the circulating cooling device, the circulation pipe has several slots that mate with the filtration mechanism. Each end of a slot has a mounting plate that mates with the filtration mechanism. The filtration mechanism includes a filter plate housed within the slot, and symmetrical mounting plates (two) that mate with mounting plate one are arranged on the outer side of the filter plate. Mounting plate one has a limiting groove in the middle of one side, a cylindrical groove on one side of the limiting groove, and a sliding groove at the top of the cylindrical groove. Mounting plate two has a limiting post in the middle of one side that mates with the limiting groove, a placement hole on one side of the limiting post, a spring inside the placement hole, and a limiting protrusion on one side of the spring that mates with the cylindrical groove. A limiting rod is installed inside the sliding groove, and a limiting ball at the bottom of the limiting rod mates with the cylindrical groove and the limiting protrusion.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1) With the combined action of the cooling layer, stirring motor, heat exchanger, water supply, circulation pipe, cooling promotion mechanism and filtration mechanism, this utility model effectively prevents impurities from affecting the cooling circulation efficiency of the coolant, while improving the circulation speed and uniformity of the coolant, enhancing the efficiency of butter fermentation and ensuring the stability of the butter texture.

[0014] 2) With the combined action of the cooling layer, heat exchanger, water supply and circulation pipe, the coolant is ensured to flow in the cooling layer, heat exchanger, water supply and circulation pipe, forming a cooling cycle, which improves the efficiency of butter fermentation, improves the temperature control in the butter fermentation process and ensures the stability of the butter texture.

[0015] 3) With the combined action of the circulation pipe, cooling promotion mechanism and filtration mechanism, the forward flow of coolant in the circulating cooling device can be effectively promoted, the circulation speed and uniformity of coolant are improved, impurities in the circulation pipe are filtered out, and the efficiency of the circulating cooling device is improved. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is one of the structural schematic diagrams of a circulating cooling device for food fermentation according to an embodiment of the present utility model;

[0018] Figure 2 This is a second schematic diagram of the structure of a circulating cooling device for food fermentation according to an embodiment of the present utility model;

[0019] Figure 3 This is one of the partial cross-sectional schematic diagrams of a circulating cooling device for food fermentation according to an embodiment of the present utility model;

[0020] Figure 4 yes Figure 3 A magnified view of a section at point A in the middle;

[0021] Figure 5 This is a second partial cross-sectional schematic diagram of a circulating cooling device for food fermentation according to an embodiment of the present utility model;

[0022] Figure 6 yes Figure 5 A magnified view of a section at point B in the middle.

[0023] In the picture:

[0024] 1. Fermentation tank; 2. Cooling layer; 3. Stirring motor; 4. Heat exchanger; 5. Water supply device; 6. Circulation pipeline; 601. Inlet pipe 1; 602. Inlet pipe 2; 603. Outlet pipe 1; 604. Outlet pipe 2; 7. Cooling promotion mechanism; 701. Flow plate; 702. Inlet; 703. Outlet; 704. Internal channel; 7041. Main channel; 7042. Diversion channel; 8. Filtration mechanism; 801. Filter plate; 802. Mounting plate 2; 803. Limiting groove; 804. Cylindrical groove; 805. Sliding groove; 806. Limiting post; 807. Placement hole; 808. Spring; 809. Limiting protrusion; 810. Limiting rod; 811. Limiting ball; 9. Cooling pipe; 10. Control panel; 11. Temperature sensor; 12. Slot; 13. Mounting plate 1. Detailed Implementation

[0025] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to an embodiment of the present invention, a circulating cooling device for food fermentation is provided.

[0027] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figures 1-6 As shown, the circulating cooling device for food fermentation according to an embodiment of the present invention includes: a fermentation tank 1; a cooling layer 2 disposed on the outside of the fermentation tank 1; a stirring motor 3 disposed at the top of the fermentation tank 1; a heat exchanger 4 disposed on one side of the fermentation tank 1 for regulating the temperature of the coolant; a water supply device 5 disposed on one side of the heat exchanger 4 for supplying coolant; a circulation pipe 6 disposed between the cooling layer 2 and the heat exchanger 4 and between the heat exchanger 4 and the water supply device 5 for circulating the coolant; a cooling promotion mechanism 7 disposed between the circulation pipes 6 for promoting the circulation of the coolant; and a filter mechanism 8 disposed on one side of the cooling promotion mechanism 7 and located inside the circulation pipe 6.

[0028] By utilizing the aforementioned technical solution, this utility model, through the coordinated action of the cooling layer 2, stirring motor 3, heat exchanger 4, water supply 5, circulation pipe 6, cooling promotion mechanism 7, and filtration mechanism 8, effectively prevents impurities from affecting the cooling circulation efficiency of the coolant, while simultaneously improving the circulation speed and uniformity of the coolant, enhancing the efficiency of butter fermentation, and ensuring the stability of the butter's texture. The coordinated action of the cooling layer 2, heat exchanger 4, water supply 5, and circulation pipe 6 ensures that the coolant flows within these components, forming a cooling circulation, thus improving the efficiency of butter fermentation, enhancing temperature control during the fermentation process, and ensuring the stability of the butter's texture. Furthermore, the coordinated action of the circulation pipe 6, cooling promotion mechanism 7, and filtration mechanism 8 effectively promotes the forward flow of the coolant within the circulating cooling device, improving the circulation speed and uniformity of the coolant, filtering impurities within the circulation pipe, and enhancing the efficiency of the circulating cooling device.

[0029] It should be explained that a rotating shaft and stirring rod are installed at the bottom of the stirring motor 3 and inside the fermentation tank 1. When cream, lactic acid bacteria and salt are added into the fermentation tank 1, the stirring motor 3 is controlled and started under the control panel 10. The output shaft of the stirring motor 3 drives the rotating shaft to rotate, which in turn drives the stirring rod on the outside to rotate. The rotation of the stirring rod thoroughly mixes the cream, lactic acid bacteria and salt, allowing the cream, lactic acid bacteria and salt to ferment and form butter. This is existing technology and will not be elaborated here.

[0030] The heat exchanger 4 consists of a shell, tube bundle, tube sheet, baffles, end caps, inlet and outlet pipes, and support base. The shell is the external container used to contain the shell-side fluid and provide structural support for the heat exchanger. The tube bundle consists of multiple parallel tubes, in which the tube-side fluid flows and exchanges heat with the shell-side fluid through the tube walls. The tube sheet is used to fix the tube bundle and isolate the tube-side fluid from the shell-side fluid. The baffles are installed inside the shell to guide the shell-side fluid to flow along a specific path, enhancing the heat exchange efficiency between the fluid and the tube bundle. The end caps seal both ends of the shell and connect the inlet and outlet of the tube-side fluid, ensuring that the fluid can correctly flow into and out of the tube bundle. The inlet and outlet pipes provide inlets and outlets for the shell-side fluid and the tube-side fluid, and are used to connect to external pipelines. The support frame or support base is used to support the entire heat exchanger and ensure overall stability. The heat exchanger 4 is electrically connected to the control panel 10, which is prior art and will not be described further here.

[0031] The water supply unit 5 consists of a storage tank, a circulating pump, a cooler, a control system, inlet and outlet pipes, safety devices, and a level and temperature monitoring system. The storage tank stores coolant (such as water, ethylene glycol solution, etc.) to ensure sufficient coolant supply. The circulating pump delivers coolant from the storage tank to the target equipment (such as heat exchanger 4) and circulates the coolant within the circulating cooling device. The cooler cools the coolant. The control system monitors and controls the operating status of the water supply unit (coolant flow rate, temperature, and pressure), and can automatically adjust the operating speed of the circulating pump or the working status of the cooler according to the needs of the circulating cooling device. The inlet and outlet pipes connect to other components of the circulating cooling device, including coolant input and output. Safety devices (overflow valve, pressure relief valve, etc.) prevent excessive internal pressure or abnormal operation of the water supply unit, ensuring system safety. The level and temperature monitoring system monitors the coolant level and temperature in the storage tank in real time to ensure stable coolant supply and temperature compliance. The water supply unit 5 is electrically connected to the control panel 10, which is existing technology and will not be described further here.

[0032] Furthermore, the circulating cooling device for food fermentation of this utility model can not only circulate and cool the butter fermentation process, but also adapt to the fermentation of other types of food by changing the parameters of the fermentation tank 1 according to different parameters, and adjust the circulating cooling according to the characteristics of other types of food, thereby improving the fermentation efficiency of other types of food.

[0033] In one embodiment, for the cooling layer 2 and the circulation pipe 6, the cooling layer 2 is internally provided with cooling pipes 9, which are all orderly wound around the outer wall of the fermenter 1, and both ends of the cooling pipes 9 are connected to the circulation pipe 6; a control panel 10 and a temperature sensor 11 are arranged sequentially from bottom to top on the outer middle of the cooling layer 2; the circulation pipe 6 includes: a first water inlet pipe 601, which is located at the top of the heat exchanger 4 and the water supply device 5; a second water inlet pipe 602, which is located at the top of the cooling layer 2 and the heat exchanger 4; and a first water outlet pipe 603. The cooling layer 2 and the heat exchanger 4 are connected at the bottom; the second water outlet pipe 604 is connected at the bottom of the heat exchanger 4 and the water supply device 5; the first water inlet pipe 601, the second water inlet pipe 602, the first water outlet pipe 603 and the second water outlet pipe 604 are all equipped with a cooling promotion mechanism 7 and a filtration mechanism 8, thereby ensuring that the coolant flows in the cooling layer 2, the heat exchanger 4, the water supply device 5 and the circulation pipe 6, forming a cooling cycle, improving the efficiency of butter fermentation, improving the temperature control during the butter fermentation process, and ensuring the stability of the butter texture.

[0034] The working principle of cooling layer 2 and circulation pipe 6 is as follows: According to the needs of butter fermentation, the circulation pump of water supply 5 delivers coolant from the storage tank to the inlet pipe 601. The coolant enters the heat exchanger 4 through the inlet pipe 601, undergoes heat exchange through the heat exchanger 4, and enters the inlet pipe 602. The inlet pipe 602 is connected to the top of the cooling pipe 9. The cooling pipe 9 is evenly wrapped around the outer wall of the fermentation tank 1 to cool the butter fermentation process. The bottom of the cooling pipe 9 is connected to the outlet pipe 603. The coolant enters the heat exchanger 4 from the outlet pipe 603, undergoes heat exchange through the heat exchanger 4, and enters the outlet pipe 604. The coolant enters the water supply 5 through the outlet pipe 604 to complete the circulation of the coolant.

[0035] Meanwhile, the temperature sensor 11 (such as an infrared sensor) on the outer wall of the cooling layer detects the temperature of the cooling layer and converts the temperature into a usable signal (such as an electrical signal, mechanical change, etc.) and sends it to the control panel 10. Under the control panel, the heat exchanger 4 and the water supply 5 are adjusted to ensure that the temperature of the cooling layer is maintained between 18°C ​​and 22°C, thereby improving the butter fermentation efficiency.

[0036] In one embodiment, the cooling promoting mechanism 7 includes a flow plate 701 disposed between the circulating pipes 6. One side of the flow plate 701 has an inlet 702, and the other side has an outlet 703. The inlet 702 and outlet 703 are connected by an internal channel 704. The internal channel 704 includes a main channel 7041 connecting the inlet 702 and outlet 703. Both sides of the main channel 7041 have branch channels 7042. The branch channels 7042 are composed of several teardrop-shaped ring structures connected to the main channel 7041, thereby effectively preventing reverse flow of the coolant in the circulating cooling device, ensuring that the coolant always maintains a unidirectional positive circulation, avoiding a decrease in cooling efficiency due to fluid turbulence or pressure fluctuations, and further improving the efficiency of the circulating cooling device.

[0037] The working principle of the cooling promotion mechanism 7 is as follows: When the coolant enters the internal channel 704 from the inlet 702, the coolant flows in the forward direction. Part of the coolant flows into the main channel 7041, and part enters the branch channel 7042. The branch channel 7042 is composed of several teardrop-shaped ring structures connected to the main channel 7041. The coolant in the branch channel 7042 merges again at the confluence point of the teardrop-shaped ring structures and the main channel 7041, accelerating the flow of the coolant. The coolant flows out from the outlet 703. When the coolant enters the internal channel 704 from the outlet 703, the coolant... With reverse flow, the coolant flow path becomes complex. Part of the coolant flows into the main channel 7041, while part enters the branch channel 7042. The branch channel 7042 consists of several teardrop-shaped ring structures connected to the main channel 7041. When the coolant in the branch channel 7042 merges with the main channel 7041 at the point where the teardrop-shaped ring structures merge and return, it undergoes a 180° turn, creating convection with the coolant in the main channel 7041. This collision and mixing generate eddies and energy loss, thereby increasing flow resistance and gradually reducing the fluidity of the coolant until it stops flowing.

[0038] In one embodiment, for the circulation pipe 6 and the filter mechanism 8, the circulation pipe 6 has several slots 12 that cooperate with the filter mechanism 8 inside, and each end of the slot 12 is provided with a mounting plate 13 that cooperates with the filter mechanism 8; the filter mechanism 8 includes a filter plate 801 disposed inside the slot 12, and mounting plates 802 that cooperate with the mounting plates 13 are symmetrically disposed on the outer side of the filter plate 801; a limiting groove 803 is provided in the middle of one side of the mounting plate 13, a cylindrical groove 804 is provided in one side of the limiting groove 803, and a sliding groove 805 is provided at the top of the cylindrical groove 804; a sliding groove 805 is provided in the middle of one side of the mounting plate 802. The limiting post 806, which cooperates with the groove 803, has a placement hole 807 on one side. A spring 808 is installed inside the placement hole 807. A limiting protrusion 809, which cooperates with the cylindrical groove 804, is provided on one side of the spring 808. A limiting rod 810 is installed inside the sliding groove 805. A limiting ball 811, which cooperates with the cylindrical groove 804 and the limiting protrusion 809, is provided at the bottom of the limiting rod 810. This ensures that the live filter plate 801 can be firmly fixed in the circulation pipe 6. This not only helps to filter impurities in the circulation pipe 6, but also facilitates the replacement and maintenance of the live filter plate 801, thereby improving the overall efficiency of the circulation cooling device.

[0039] The working principle of the circulation pipe 6 and the filter mechanism 8 is as follows: The filter plate 801 can filter impurities in the circulation pipe 6. The filter plate 801 needs to be replaced regularly. When installing the filter plate 801, the operator slides the filter plate 801 in the slot 12 through the second mounting plate 802 until the first mounting plate 13 on both sides overlaps with the second mounting plate 802. At this time, the limiting post 806 passes through the limiting groove 803 and the limiting protrusion 809 enters the cylindrical groove 804, forming a limit on the filter plate 801 and the circulation pipe 6.

[0040] When disassembling filter plate 801, the operator pulls the limiting rod 810. The limiting rod 810 slides in the sliding groove 805, causing the limiting ball 811 to slide in the cylindrical groove 804. During the sliding process of the limiting ball 811 in the cylindrical groove 804, it will squeeze the limiting protrusion 809. Under the action of the spring 808, the limiting protrusion 809 is stably squeezed out of the cylindrical groove 804, releasing the limitation on filter plate 801 and circulation pipe 6. At this time, pulling the second mounting plate 802 away from the first mounting plate 13 can achieve disassembly.

[0041] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0042] In practical applications, initially, the operator fixes the filter plate 801 inside the circulation pipe 6 using mounting plate 13 and mounting plate 2 802 (the specific working principles of the circulation pipe 6 and the filter mechanism 8 are as described above). Then, light cream, lactic acid bacteria, and salt are placed into the fermentation tank 1. Under the action of the stirring motor 3, the rotating shaft rotates, which in turn rotates the outer stirring rod, mixing and fermenting the light cream, lactic acid bacteria, and salt to form butter. During the operation of the stirring motor 3, the water supply device 5 is activated under the control panel 10. The circulation pump of the water supply device 5 delivers coolant from the storage tank to the circulation pipe 6. The coolant circulates sequentially through the circulation pipe 6, heat exchanger 4, and cooling layer 2 to complete the circulation. Based on feedback from the temperature sensor 11, the control panel 10 adjusts the heat exchanger 4 and the water supply device. 5. Ensure the temperature of the cooling layer is maintained between 18°C ​​and 22°C (the specific working principles of cooling layer 2 and circulation pipe 6 are as described above). At the same time, the circulation pipe 6 is equipped with a cooling promotion mechanism 7. Through the promotion of the internal channel 704, it effectively prevents the coolant from flowing backward in the circulating cooling device, ensuring that the coolant always maintains a unidirectional positive circulation, avoiding the decrease in cooling efficiency due to fluid turbulence or pressure fluctuations, and further improving the efficiency of the circulating cooling device (the specific working principle of the cooling promotion mechanism 7 is as described above). When the efficiency of the circulating cooling device decreases, the operator uses mounting plate 13 and mounting plate 2 802 to remove the filter plate 801 from the circulation pipe 6 (the specific working principles of the circulation pipe 6 and the filter mechanism 8 are as described above) to complete the replacement of the filter plate 801.

[0043] In summary, by utilizing the above-mentioned technical solution of this utility model, the coordinated action of the cooling layer 2, stirring motor 3, heat exchanger 4, water supply 5, circulation pipe 6, cooling promotion mechanism 7, and filtration mechanism 8 effectively prevents impurities from affecting the cooling circulation efficiency of the coolant, while improving the circulation speed and uniformity of the coolant, enhancing the efficiency of butter fermentation, and ensuring the stability of the butter texture. The coordinated action of the cooling layer 2, heat exchanger 4, water supply 5, and circulation pipe 6 ensures that the coolant flows within these components, forming a cooling circulation, improving the efficiency of butter fermentation, enhancing temperature control during the fermentation process, and ensuring the stability of the butter texture. Furthermore, the coordinated action of the circulation pipe 6, cooling promotion mechanism 7, and filtration mechanism 8 effectively promotes the forward flow of the coolant in the circulating cooling device, improving the circulation speed and uniformity of the coolant, filtering impurities within the circulation pipe, and enhancing the efficiency of the circulating cooling device.

[0044] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A circulating cooling device for food fermentation, characterized in that, include: Fermentation tank (1); A cooling layer (2) is provided on the outside of the fermenter (1); A stirring motor (3) is installed at the top of the fermentation tank (1); A heat exchanger (4) is installed on one side of the fermenter (1) to regulate the temperature of the coolant; A water supply device (5) is installed on one side of the heat exchanger (4) to provide coolant; The circulating pipe (6) is located between the cooling layer (2) and the heat exchanger (4) and between the heat exchanger (4) and the water supply device (5) for circulating the coolant; A cooling promotion mechanism (7) is installed between the circulation pipes (6) to promote the circulation of coolant; The filter mechanism (8) is located on one side of the cooling promotion mechanism (7) and inside the circulation pipe (6).

2. The circulating cooling device for food fermentation according to claim 1, characterized in that, The cooling layer (2) is provided with cooling pipes (9) inside. The cooling pipes (9) are all wound around the outer wall of the fermentation tank (1) in an orderly manner, and both ends of the cooling pipes (9) are connected to the circulation pipe (6). A control panel (10) and a temperature sensor (11) are arranged sequentially from bottom to top on the outer middle part of the cooling layer (2).

3. The circulating cooling device for food fermentation according to claim 1, characterized in that, The circulation pipe (6) has several slots (12) inside that cooperate with the filter mechanism (8), and each end of the slot (12) is provided with a mounting plate (13) that cooperates with the filter mechanism (8).

4. The circulating cooling device for food fermentation according to claim 1, characterized in that, The circulation pipe (6) includes: Water inlet pipe 1 (601) is installed at the top of the heat exchanger (4) and the water supply device (5); Water inlet pipe 2 (602) is located at the top of the cooling layer (2) and the heat exchanger (4); Water outlet pipe 1 (603) is located at the bottom end of the cooling layer (2) and the heat exchanger (4); Water outlet pipe 2 (604) is located at the bottom of the heat exchanger (4) and the water supply device (5); The cooling promotion mechanism (7) and the filtration mechanism (8) are all provided inside the water inlet pipe 1 (601), the water inlet pipe 2 (602), the water outlet pipe 1 (603) and the water outlet pipe 2 (604).

5. A circulating cooling device for food fermentation according to claim 1, characterized in that, The cooling promotion mechanism (7) includes a flow plate (701) disposed between the circulation pipes (6), with an inlet (702) on one side of the flow plate (701) and an outlet (703) on the other side of the flow plate (701), and the inlet (702) and the outlet (703) are connected by an internal channel (704).

6. A circulating cooling device for food fermentation according to claim 5, characterized in that, The internal channel (704) includes a main channel (7041) connecting the inlet (702) and the outlet (703), and a diversion channel (7042) is provided on both sides of the main channel (7041).

7. A circulating cooling device for food fermentation according to claim 6, characterized in that, The diversion channel (7042) is composed of several teardrop-shaped ring structures connected to the main channel (7041).

8. A circulating cooling device for food fermentation according to claim 3, characterized in that, The filtration mechanism (8) includes a filter plate (801) disposed inside the slot (12), and a mounting plate (802) that cooperates with the mounting plate (13) is symmetrically disposed on the outer side of the filter plate (801). A limiting groove (803) is provided in the middle of one side of the mounting plate (13), a cylindrical groove (804) is provided on one side of the limiting groove (803), and a sliding groove (805) is provided at the top of the cylindrical groove (804). The mounting plate 2 (802) has a limiting post (806) in the middle of one side that cooperates with the limiting groove (803). A placement hole (807) is provided on one side of the limiting post (806). A spring (808) is provided inside the placement hole (807). A limiting protrusion (809) that cooperates with the cylindrical groove (804) is provided on one side of the spring (808). The sliding groove (805) is provided with a limiting rod (810) inside, and the bottom end of the limiting rod (810) is provided with a limiting ball (811) that cooperates with the cylindrical groove (804) and the limiting protrusion (809).

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