Dairy production line with cleaning function
By designing a dairy production line with cleaning functions, efficient cleaning of the whey wine system, yogurt tanks, and blending units has been achieved, solving the problems of cumbersome and incomplete traditional cleaning methods, reducing equipment maintenance costs, and ensuring food safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI HAOPENG MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-06-05
AI Technical Summary
Traditional dairy production lines require cumbersome and frequent cleaning of their CIP systems, leading to increased equipment maintenance costs. Incomplete cleaning can also cause food safety issues.
Design a dairy production line with cleaning function, which uses CIP stations to form a circulation system for the whey wine system, yogurt tanks and blending units, and combines acid and alkali washing and heating pipelines to achieve efficient cleaning of the equipment.
This reduces the frequency of cleaning, prevents pipes from becoming moldy and smelly, lowers equipment maintenance costs, and ensures food safety.
Smart Images

Figure CN224322022U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the food industry, and in particular to a dairy production line with a cleaning function. Background Technology
[0002] In the dairy production industry, the cleanliness of the production line plays a decisive role in product quality and food safety. While traditional dairy production lines utilize CIP (Cleaning in Place) systems to clean equipment, these systems typically clean whey wine systems, yogurt tanks, and blending units separately. This method is not only cumbersome and increases the workload for operators, but also requires frequent cleaning, significantly raising equipment maintenance costs.
[0003] Furthermore, if cleaning is not timely or thorough, residual dairy products can easily breed bacteria within the pipelines, leading to mold and foul odors. These problems not only affect the lifespan of the equipment but may also contaminate dairy products during subsequent production, causing food safety issues and resulting in severe economic losses and reputational damage for the company. Utility Model Content
[0004] The purpose of this invention is to provide a dairy production line with a cleaning function to solve the problems existing in the prior art.
[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:
[0006] A dairy production line with a cleaning function includes a CIP station, a cooling system, a steam system, a whey wine system, a yogurt tank, and a blending unit. The outlet of the CIP station is connected to the whey wine system, the yogurt tank, and the blending unit in sequence through a cleaning pipe. The whey wine system, the yogurt tank, and the blending unit are connected to the CIP station through a first pipe to form a circulation.
[0007] The cooling system's cold water pipes are connected to the whey wine system, yogurt tanks, and blending unit, and the steam system's steam pipes are connected to the whey wine system, yogurt tanks, and blending unit.
[0008] By adopting the above technical solution, the whey wine system, yogurt tanks and blending units are cleaned through CIP stations to prevent pipes from becoming moldy and smelly, which would affect the next production process. At the same time, the whey wine system, yogurt tanks and blending units are cleaned together, reducing the cleaning process, reducing the frequency of cleaning individual equipment, saving costs and simplifying operation.
[0009] In a further embodiment, the CIP station includes:
[0010] A water tank, the bottom of which is connected to a first pipe and a cleaning pipe respectively, and the top of which is connected to a supply pipe. A first ball valve is provided between the water tank and the supply pipe, and a first manual valve is provided between the cleaning pipe and the water tank.
[0011] An acid tank is provided, with a first diaphragm pump and a supply pipe connected to its top. A second ball valve is provided between the acid tank and the supply pipe. The bottom of the acid tank is connected to a cleaning pipe and a first pipe. A second manual valve is provided between the acid tank and the cleaning pipe.
[0012] The alkaline tank has a supply pipe and a second diaphragm pump connected to its top. A third ball valve is installed between the alkaline tank and the supply pipe. The bottom of the alkaline tank is connected to a cleaning pipe and a first pipe. A third manual valve is installed between the alkaline tank and the cleaning pipe.
[0013] The steam system has a steam pipe that passes through the inside of the first heating pipe and is connected to the first pipeline. The cleaning pipeline passes through the inside of the first heating pipe. The first heating pipe is used to heat the cleaning pipeline. A first centrifugal pump, a first shut-off valve, a flow sensor, and a filter are sequentially arranged between the first heating pipe and the alkali tank.
[0014] In a further embodiment, the whey wine system includes:
[0015] The aging tank has its top end connected to a pure water pipe and a cleaning pipe, and a first valve is installed between the pure water pipe and the aging tank. The bottom end of the aging tank is connected to a first pipe and a cold water pipe of a cooling system, and a first butterfly valve is installed between the first pipe and the aging tank. One end of a second pipe is connected to the bottom end of the aging tank, and the other end of the second pipe is connected to the top end of the aging tank. The second pipe and the aging tank form a circulation. A first temperature control module is installed between the second pipe and the top end of the aging tank.
[0016] The system includes a whey tank, the top of which is connected to a pure water pipe and a cleaning pipe. A second valve is installed between the pure water pipe and the whey tank. The bottom of the whey tank is connected to a first pipe and a cold water pipe of a cooling system. A second butterfly valve is installed between the first pipe and the whey tank. One end of a third pipe is connected to the bottom of the whey tank, and the other end of the third pipe is connected to the top of the whey tank, forming a circulation loop. A second temperature control module is installed between the third pipe and the top of the whey tank. The first and second temperature control modules have the same structure.
[0017] In a further embodiment, the top of the yogurt container is connected to a pure water pipe and a cleaning pipe, a third valve is provided between the yogurt container and the pure water pipe, the bottom of the yogurt container is connected to a first pipe and a cold water pipe of the cooling system, a third butterfly valve is provided between the first pipe and the yogurt container, one end of a fourth pipe is connected to the bottom of the yogurt container, the other end of the fourth pipe is connected to the top of the yogurt container, the fourth pipe and the yogurt container form a circulation, and a third temperature control module is provided between the fourth pipe and the top of the aging tank, the third temperature control module having the same structure as the first temperature control module.
[0018] In a further embodiment, the dispensing unit includes:
[0019] A temporary storage tank, the top of which is connected to a cleaning pipe and a pure water pipe, the bottom of which is connected to a first pipe, a fourth butterfly valve is provided between the first pipe and the temporary storage tank, a first sampling valve is provided on the outer wall of the temporary storage tank, and a fourth valve is provided between the pure water pipe and the temporary storage tank.
[0020] The sugar dissolving tank has a pure water pipe, a steam pipe of a steam system, and a cleaning pipe connected to its top. A fifth valve is installed between the pure water pipe and the sugar dissolving tank. A second shut-off valve is installed between the steam pipe of the steam system and the sugar dissolving tank. The bottom of the sugar dissolving tank is connected to a first pipe. A fifth butterfly valve is installed between the first pipe and the sugar dissolving tank. A second sampling valve is installed on the outer wall of the sugar dissolving tank.
[0021] The mixing tank has a steam pipe of a steam system, a cooling pipe of a cooling system, a pure water pipe, and a cleaning pipe connected to its top. A third shut-off valve is installed between the steam pipe of the steam system and the mixing tank. A fourth shut-off valve is installed between the cooling pipe of the cooling system and the mixing tank. A sixth valve is installed between the pure water pipe and the mixing tank. The bottom of the mixing tank is connected to a first pipe, and a sixth butterfly valve is installed between the first pipe and the mixing tank.
[0022] In a further embodiment, the first temperature control module includes:
[0023] The second heating tube, the steam pipe of the steam system passes through the interior of the second heating tube and is connected to the first pipe, the second pipe passes through the second heating tube, a third shut-off valve is provided between the first pipe and the second heating tube, and a fourth shut-off valve is provided on the steam pipe of the steam system.
[0024] A temperature control system is provided, wherein a temperature sensor is installed on the second pipeline, and the temperature control system is electrically connected to the temperature sensor and the fourth shut-off valve;
[0025] A second centrifugal pump is provided between the second pipe and the second heating pipe. A one-way valve is provided between the second centrifugal pump and the second heating pipe. The cooling pipe of the cooling system is connected between the second centrifugal pump and the aging tank. A fourth manual valve is provided between the cooling pipe of the cooling system and the second centrifugal pump.
[0026] By adopting the above technical solution, the first ball valve is opened, allowing water from the supply pipe to enter the water tank; the second ball valve is opened, allowing water from the supply pipe to enter the acid tank; the third ball valve is opened, allowing water from the supply pipe to enter the alkali tank; the first manual valve at the bottom of the water tank is opened; the first shut-off valve is opened; the water flows through the first centrifugal pump, and after being pressurized by the first centrifugal pump, it passes through the flow sensor and filter before entering the aging tank, whey tank, yogurt tank, temporary storage tank, sugar dissolving tank, and mixing tank. Then, the first, second, third, fourth, fifth, and sixth butterfly valves are opened sequentially, allowing the water flow to flush the aging tank, whey tank, yogurt tank, temporary storage tank, sugar dissolving tank, and mixing tank. An acidic substance is added to the acid tank; the second manual valve is opened; and the... The first shut-off valve directs water flow through the first centrifugal pump. After pressurization by the pump, the water passes through a flow sensor and filter before entering the aging tank, whey tank, yogurt tank, temporary storage tank, sugar dissolving tank, and mixing tank. The water then flows into the first heating pipe, where steam heating increases the acidic water flow, rinsing all the tanks. The acidic water then flows through a second pipe at the bottom of the aging tank, passing through the second heating pipe. The second heating pipe is heated by steam, and a temperature sensor detects this, causing the temperature control system to open or close the fourth shut-off valve, thus controlling the temperature of the second heating pipe and increasing the cleaning power of the acidic water. The whey tank also receives water through a second temperature control module. The corresponding effect is achieved by the yogurt jar through the third temperature control module. Then, the first, second, third, fourth, fifth, and sixth butterfly valves are opened sequentially, allowing the cleaned water to return to the acid tank. Alkaline substances are added to the alkali tank, the second manual valve is opened, and the first shut-off valve is opened. The water flows through the first centrifugal pump, and after being pressurized by the pump, it passes through the flow sensor and filter before entering the aging tank, whey tank, alkali milk tank, temporary storage tank, sugar dissolving tank, and mixing tank. The water flows into the first heating pipe, where the steam heating increases the alkaline water flow, allowing the alkaline water to rinse the aging tank, whey tank, alkali milk tank, temporary storage tank, sugar dissolving tank, and mixing tank. The alkaline water flows through the second pipe at the bottom of the aging tank. The second heating element, heated by steam, is fed through a second heating pipe. A temperature sensor detects this heating element, causing the temperature control system to open or close the fourth shut-off valve, thus controlling the temperature of the second heating element and increasing the cleaning power of the alkaline water. The whey tank also achieves the same effect through the second temperature control module, and the alkali tank through the third temperature control module. Then, the first, second, third, fourth, fifth, and sixth butterfly valves are opened sequentially, allowing the cleaned water to return to the alkali tank. After acid and alkali washing, a second rinse is performed through the water tank. After rinsing, the first, second, third, fourth, fifth, and sixth valves are opened again.This process involves introducing pure water into the aging tank, whey tank, yogurt tank, temporary storage tank, sugar dissolving tank, and mixing tank, performing a third rinse to complete the cleaning of these tanks.
[0027] In summary, this utility model has the following beneficial effects:
[0028] 1. A second pipe is connected to the bottom of the aging tank at one end and to the top of the aging tank at the other end. A first temperature control module is installed on the second pipe, which can enhance the circulation of water through the second pipe and heat the water flowing through the second pipe through the first temperature control module, thereby increasing the temperature of the water flow and keeping the acidity and alkalinity at the optimal temperature, thus increasing the reaction time for treating stains. Attached Figure Description
[0029] Figure 1 This is a schematic diagram illustrating the overall principle of this utility model.
[0030] In the diagram, 1. CIP station; 2. Cooling system; 3. Steam system; 4. Whey wine system; 41. Aging tank; 42. Whey tank; 5. Yogurt tank; 6. Blending unit; 61. Temporary storage tank; 62. Sugar dissolving tank; 63. Blending tank; 7. First pipeline; 8. Cleaning pipeline; 9. Supply pipe; 10. First ball valve; 11. Water tank; 12. First manual valve; 13. Acid tank; 14. First diaphragm pump; 15. Second manual valve; 16. Alkali tank; 17. Second diaphragm pump; 18. Third manual valve; 19. First heating element; 20. First centrifugal pump; 21. First shut-off valve; 22. Flow sensor; 23. Filter; 24. Pure water pipe; 25. Second heating element; 26. Temperature control system; 27. Second centrifugal pump; 28. Temperature sensor; 29. Second sampling valve; 30. First sampling valve. Detailed Implementation
[0031] The present invention will be further described in detail below with reference to the accompanying drawings.
[0032] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to the attached figures. Figure 1In this specification, the terms "bottom surface" and "top surface," "inner" and "outer" refer to the direction toward or away from the geometry of a specific component. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this specification, "a plurality of" means two or more, unless otherwise explicitly and specifically defined by the direction of the center.
[0033] Example 1:
[0034] like Figure 1 As shown, a dairy production line with a cleaning function includes a CIP station 1, a cooling system 2, a steam system 3, a whey wine system 4, a yogurt tank 5, and a blending unit 6. The outlet of the CIP station 1 is connected to the whey wine system 4, the yogurt tank 5, and the blending unit 6 in sequence through a cleaning pipe 8. The whey wine system 4, the yogurt tank 5, and the blending unit 6 are connected to the CIP station 1 through a first pipe 7 to form a circulation.
[0035] The cold water pipe of cooling system 2 is connected to whey wine system 4, yogurt tank 5 and blending unit 6, and the steam pipe of steam system 3 is connected to whey wine system 4, yogurt tank 5 and blending unit 6.
[0036] CIP station 1 includes a water tank 11, the bottom of which is connected to a first pipeline 7 and a cleaning pipeline 8, and the top of which is connected to a supply pipe 9. A first ball valve 10 is installed between the water tank 11 and the supply pipe 9. A first manual valve 12 is installed between the cleaning pipeline 8 and the water tank 11. An acid tank 13 is also included, the top of which is connected to a first diaphragm pump 14 and the supply pipe 9, and a second ball valve is installed between the acid tank 13 and the supply pipe 9. The bottom of the acid tank 13 is connected to the cleaning pipeline 8 and the first pipeline 7, and a second manual valve 15 is installed between the acid tank 13 and the cleaning pipeline 8. An alkali tank 16 is also included, the top of which is connected to... A supply pipe 9 and a second diaphragm pump 17 are connected. A third ball valve is installed between the alkali tank 16 and the supply pipe 9. The bottom end of the alkali tank 16 is connected to the cleaning pipe 8 and the first pipe 7. A third manual valve 18 and a first heating pipe 19 are installed between the alkali tank 16 and the cleaning pipe 8. The steam pipe of the steam system 3 passes through the inside of the first heating pipe 19 and is connected to the first pipe 7. The cleaning pipe 8 passes through the inside of the first heating pipe 19. The first heating pipe 19 is used to heat the cleaning pipe 8. A first centrifugal pump 20, a first shut-off valve 21, a flow sensor 22 and a filter 23 are sequentially installed between the first heating pipe 19 and the alkali tank 16.
[0037] The whey wine system 4 includes an aging tank 41. The top of the aging tank 41 is connected to a pure water pipe 24 and a cleaning pipe 8. A first valve is installed between the pure water pipe 24 and the aging tank 41. The bottom of the aging tank 41 is connected to a first pipe 7 and a cold water pipe of the cooling system 2. A first butterfly valve is installed between the first pipe 7 and the aging tank 41. One end of a second pipe is connected to the bottom of the aging tank 41, and the other end of the second pipe is connected to the top of the aging tank 41, forming a circulation loop. A first temperature control module is installed between the second pipe and the top of the aging tank 41. 2. The top of the whey tank 42 is connected to the pure water pipe 24 and the cleaning pipe 8. A second valve is installed between the pure water pipe 24 and the whey tank 42. The bottom of the whey tank 42 is connected to the first pipe 7 and the cold water pipe of the cooling system 2. A second butterfly valve is installed between the first pipe 7 and the whey tank 42. One end of the third pipe is connected to the bottom of the whey tank 42. The other end of the third pipe is connected to the top of the whey tank 42. The third pipe and the whey tank 42 form a circulation. A second temperature control module is installed between the third pipe and the top of the whey tank 42. The first temperature control module and the second temperature control module have the same structure.
[0038] The top of the yogurt container 5 is connected to the pure water pipe 24 and the cleaning pipe 8. A third valve is installed between the yogurt container 5 and the pure water pipe 24. The bottom of the yogurt container 5 is connected to the first pipe 7 and the cold water pipe of the cooling system 2. A third butterfly valve is installed between the first pipe 7 and the yogurt container 5. One end of the fourth pipe is connected to the bottom of the yogurt container 5. The other end of the fourth pipe is connected to the top of the yogurt container 5. The fourth pipe and the yogurt container 5 form a circulation. A third temperature control module is installed between the fourth pipe and the top of the aging tank 41. The third temperature control module has the same structure as the first temperature control module.
[0039] The mixing unit 6 includes a temporary storage tank 61, with a cleaning pipe 8 and a pure water pipe 24 connected to the top of the temporary storage tank 61, a first pipe 7 connected to the bottom of the temporary storage tank 61, a fourth butterfly valve installed between the first pipe 7 and the temporary storage tank 61, a first sampling valve 30 installed on the outer wall of the temporary storage tank 61, a fourth valve installed between the pure water pipe 24 and the temporary storage tank 61, and a sugar dissolving tank 62. The top of the sugar dissolving tank 62 is connected to the pure water pipe 24, the steam pipe of the steam system 3, and the cleaning pipe 8. A fifth valve is installed between the pure water pipe 24 and the sugar dissolving tank 62, a second shut-off valve is installed between the steam pipe of the steam system 3 and the sugar dissolving tank 62, and the bottom of the sugar dissolving tank 62 is connected to the first pipe 7. A first pipe 7 is connected to a sugar dissolving tank 62. A fifth butterfly valve is installed between the first pipe 7 and the sugar dissolving tank 62. A second sampling valve 29 is installed on the outer wall of the sugar dissolving tank 62, and a mixing tank 63 is connected to it. The top of the mixing tank 63 is connected to the steam pipe of the steam system 3, the cooling pipe of the cooling system 2, the pure water pipe 24, and the cleaning pipe 8. A third shut-off valve is installed between the steam pipe of the steam system 3 and the mixing tank 63. A fourth shut-off valve is installed between the cooling pipe of the cooling system 2 and the mixing tank 63. A sixth valve is installed between the pure water pipe 24 and the mixing tank 63. The bottom of the mixing tank 63 is connected to the first pipe 7. A sixth butterfly valve is installed between the first pipe 7 and the mixing tank 63.
[0040] The first temperature control module includes a second heating tube 25, a steam pipe of the steam system 3 passing through the interior of the second heating tube 25 and communicating with the first pipe 7, a second pipe passing through the second heating tube 25, a third shut-off valve between the first pipe 7 and the second heating tube 25, a fourth shut-off valve on the steam pipe of the steam system 3, a temperature control system 26, a temperature sensor 28 on the second pipe, the temperature control system 26 being electrically connected to the temperature sensor 28 and the fourth shut-off valve, and a second centrifugal pump 27, a second centrifugal pump 27 being connected between the second pipe and the second heating tube 25, a one-way valve between the second centrifugal pump 27 and the second heating tube 25, a cooling pipe of the cooling system 2 connecting the second centrifugal pump 27 and the aging tank 41, and a fourth manual valve between the cooling pipe of the cooling system 2 and the second centrifugal pump 27.
[0041] Specific implementation process: Open the first ball valve 10 to allow water from the supply pipe 9 to flow into the water tank 11; open the second ball valve to allow water from the supply pipe 9 to flow into the acid tank 13; open the third ball valve to allow water from the supply pipe 9 to flow into the alkali tank 16; open the first manual valve 12 at the bottom of the water tank 11; open the first shut-off valve 21; the water flows through the first centrifugal pump 20; after being pressurized by the first centrifugal pump 20, it passes through the flow sensor 22 and the filter 23 and enters the aging tank 41, whey tank 42, yogurt tank 5, temporary storage tank 61, sugar dissolving tank 62, and mixing tank 63. Then, open the first, second, third, fourth, fifth, and sixth butterfly valves in sequence to allow water to flow through the aging tank 41, whey tank 42, yogurt tank 5, and temporary storage tank 61. The sugar dissolving tank 62 and the mixing tank 63 are rinsed once. An acidic substance is added to the acid tank 13. The second manual valve 15 is opened, and the first shut-off valve 21 is opened. The water flows through the first centrifugal pump 20. After being pressurized by the first centrifugal pump 20, it passes through the flow sensor 22 and the filter 23 and enters the aging tank 41, whey tank 42, yogurt tank 5, temporary storage tank 61, sugar dissolving tank 62 and mixing tank 63. The water flows into the first heating pipe 19. Under the heating of the steam pipe, the acidic water flow is increased, so that the acidic water flows through the aging tank 41, whey tank 42, yogurt tank 5, temporary storage tank 61, sugar dissolving tank 62 and mixing tank 63 for a first rinse. The acidic water flows through the second pipe at the bottom of the aging tank 41, through the second heating pipe 25, and under the action of the steam pipe, it cleans the second pipe. Heating is initiated, and the temperature sensor 28 detects the second heating element 25, causing the temperature control system 26 to open or close the fourth shut-off valve, thereby controlling the temperature of the second heating element 25 and increasing the cleaning ability of the acidic water flow. The whey tank 42 also achieves the corresponding effect through the second temperature control module, and the yogurt tank 5 achieves the corresponding effect through the third temperature control module. Then, the first, second, third, fourth, fifth, and sixth butterfly valves are opened in sequence, allowing the water flow after cleaning to return to the acid tank 13. Alkaline substances are added to the alkali tank 16, the second manual valve 15 is opened, and the first shut-off valve 21 is opened. The water flows through the first centrifugal pump 20, and after being pressurized by the first centrifugal pump 20, it passes through the flow sensor 22 and the filter 23. Water enters the aging tank 41, whey tank 42, alkaline milk tank, temporary storage tank 61, sugar dissolving tank 62, and blending tank 63. The water flows into the first heating pipe 19, where it is heated by steam, increasing the alkaline water flow. This alkaline water then rinses the aging tank 41, whey tank 42, alkaline milk tank, temporary storage tank 61, sugar dissolving tank 62, and blending tank 63. The alkaline water flows through the second pipe at the bottom of the aging tank 41, passing through the second heating pipe 25. Heated by steam, the second heating pipe 25 is monitored by a temperature sensor 28, causing the temperature control system 26 to open or close the fourth shut-off valve, thereby controlling the temperature of the second heating pipe 25 and increasing the cleaning power of the alkaline water. The whey tank 42 also achieves the same effect through the second temperature control module.The alkaline milk tank achieves its corresponding effect through the third temperature control module. Then, the first, second, third, fourth, fifth, and sixth butterfly valves are opened sequentially, allowing the cleaned water to flow back into the alkaline tank 16. After acid washing and alkaline washing, a second rinse is performed through the water tank 11. After rinsing, the first, second, third, fourth, fifth, and sixth valves are opened again, allowing pure water to enter the aging tank 41, whey tank 42, yogurt tank 5, temporary storage tank 61, sugar dissolving tank 62, and blending tank 63 for a third rinse, thus completing the cleaning of these tanks.
[0042] In the embodiments disclosed in this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments disclosed in this utility model according to the specific circumstances.
[0043] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. A dairy production line with a cleaning function, characterized in that: The system includes a CIP station (1), a cooling system (2), a steam system (3), a whey wine system (4), a yogurt tank (5), and a blending unit (6). The outlet of the CIP station (1) is connected to the whey wine system (4), the yogurt tank (5), and the blending unit (6) in sequence through a cleaning pipe (8). The whey wine system (4), the yogurt tank (5), and the blending unit (6) are connected to the CIP station (1) through a first pipe (7) to form a circulation. The cooling system (2) has a cold water pipe connected to the whey wine system (4), the yogurt tank (5) and the blending unit (6), and the steam system (3) has a steam pipe connected to the whey wine system (4), the yogurt tank (5) and the blending unit (6); The whey wine system (4) includes: A aging tank (41) is connected to a pure water pipe (24) and a cleaning pipe (8) at its top. A first valve is provided between the pure water pipe (24) and the aging tank (41). The bottom of the aging tank (41) is connected to a first pipe (7) and a cold water pipe of a cooling system (2). A first butterfly valve is provided between the first pipe (7) and the aging tank (41). One end of a second pipe is connected to the bottom of the aging tank (41). The other end of the second pipe is connected to the top of the aging tank (41). The second pipe and the aging tank (41) form a circulation. A first temperature control module is provided between the second pipe and the top of the aging tank (41). The whey tank (42) is connected to a pure water pipe (24) and a cleaning pipe (8) at its top. A second valve is provided between the pure water pipe (24) and the whey tank (42). The bottom of the whey tank (42) is connected to a first pipe (7) and a cold water pipe of a cooling system (2). A second butterfly valve is provided between the first pipe (7) and the whey tank (42). One end of a third pipe is connected to the bottom of the whey tank (42). The other end of the third pipe is connected to the top of the whey tank (42). The third pipe forms a loop with the whey tank (42). A second temperature control module is provided between the third pipe and the top of the whey tank (42). The first temperature control module and the second temperature control module have the same structure. The first temperature control module includes: The second heating tube (25) is connected to the first pipe (7) through the interior of the second heating tube (25). The second pipe passes through the second heating tube (25). A third shut-off valve is provided between the first pipe (7) and the second heating tube (25). A fourth shut-off valve is provided in the steam tube of the steam system (3). Temperature control system (26), temperature sensor (28) is installed on the second pipe, and the temperature control system (26) is electrically connected to temperature sensor (28) and fourth shut-off valve; A second centrifugal pump (27) is provided between the second pipe and the second heating pipe (25). A one-way valve is provided between the second centrifugal pump (27) and the second heating pipe (25). The cooling pipe of the cooling system (2) is connected between the second centrifugal pump (27) and the aging tank (41). A fourth manual valve is provided between the cooling pipe of the cooling system (2) and the second centrifugal pump (27).
2. A dairy production line with a cleaning function according to claim 1, characterized in that: The CIP station (1) includes: Water tank (11), the bottom end of the water tank (11) is connected to the first pipe (7) and the cleaning pipe (8) respectively, the top end of the water tank (11) is connected to the supply pipe (9), a first ball valve (10) is provided between the water tank (11) and the supply pipe (9), and a first manual valve (12) is provided between the cleaning pipe (8) and the water tank (11). Acid tank (13), the top of the acid tank (13) is connected to a first diaphragm pump (14) and a supply pipe (9), a second ball valve is provided between the acid tank (13) and the supply pipe (9), the bottom of the acid tank (13) is connected to a cleaning pipe (8) and a first pipe (7), and a second manual valve (15) is provided between the acid tank (13) and the cleaning pipe (8). The alkaline tank (16) is connected to a supply pipe (9) and a second diaphragm pump (17) at its top. A third ball valve is provided between the alkaline tank (16) and the supply pipe (9). The bottom of the alkaline tank (16) is connected to a cleaning pipe (8) and a first pipe (7). A third manual valve (18) is provided between the alkaline tank (16) and the cleaning pipe (8). The steam pipe of the steam system (3) passes through the first heating pipe (19) and communicates with the first pipe (7). The cleaning pipe (8) passes through the first heating pipe (19). The first heating pipe (19) is used to heat the cleaning pipe (8). A first centrifugal pump (20), a first shut-off valve (21), a flow sensor (22) and a filter (23) are arranged sequentially between the first heating pipe (19) and the alkali tank (16).
3. A dairy production line with a cleaning function according to claim 1, characterized in that: The top of the yogurt container (5) is connected to the pure water pipe (24) and the cleaning pipe (8). A third valve is provided between the yogurt container (5) and the pure water pipe (24). The bottom of the yogurt container (5) is connected to the first pipe (7) and the cold water pipe of the cooling system (2). A third butterfly valve is provided between the first pipe (7) and the yogurt container (5). One end of the fourth pipe is connected to the bottom of the yogurt container (5). The other end of the fourth pipe is connected to the top of the yogurt container (5). The fourth pipe and the yogurt container (5) form a circulation. A third temperature control module is provided between the fourth pipe and the top of the aging tank (41). The third temperature control module has the same structure as the first temperature control module.
4. A dairy production line with a cleaning function according to claim 1, characterized in that: The dispensing unit (6) includes: A temporary storage tank (61) is connected to a cleaning pipe (8) and a pure water pipe (24) at its top end, and to a first pipe (7) at its bottom end. A fourth butterfly valve is provided between the first pipe (7) and the temporary storage tank (61). A first sampling valve (30) is provided on the outer wall of the temporary storage tank (61). A fourth valve is provided between the pure water pipe (24) and the temporary storage tank (61). A sugar-dissolving tank (62) is connected to a pure water pipe (24), a steam pipe of a steam system (3), and a cleaning pipe (8) at its top. A fifth valve is provided between the pure water pipe (24) and the sugar-dissolving tank (62). A second shut-off valve is provided between the steam pipe of the steam system (3) and the sugar-dissolving tank (62). The bottom of the sugar-dissolving tank (62) is connected to a first pipe (7). A fifth butterfly valve is provided between the first pipe (7) and the sugar-dissolving tank (62). A second sampling valve (29) is provided on the outer wall of the sugar-dissolving tank (62). The mixing tank (63) is connected to the top of the steam pipe of the steam system (3), the cooling pipe of the cooling system (2), the pure water pipe (24) and the cleaning pipe (8). A third shut-off valve is provided between the steam pipe of the steam system (3) and the mixing tank (63). A fourth shut-off valve is provided between the cooling pipe of the cooling system (2) and the mixing tank (63). A sixth valve is provided between the pure water pipe (24) and the mixing tank (63). The bottom of the mixing tank (63) is connected to the first pipe (7). A sixth butterfly valve is provided between the first pipe (7) and the mixing tank (63).