A high viscosity dairy product sterilization apparatus

Abstract

A kind of high viscosity dairy product sterilization device, the dairy product sterilization equipment technical field, including tank body, the upper surface of tank body is fixedly installed with tank cover, the upper surface of tank cover is fixedly installed with inverted U-shaped frame, hollow shaft is rotatably installed between tank cover and inverted U-shaped frame, the bottom end of hollow shaft is in sealed state, and hollow shaft extends and is arranged in tank body, the upper surface of inverted U-shaped frame is fixedly installed with steam supply sealed rotary joint, the exhaust end of steam supply sealed rotary joint is fixedly connected with the top end of hollow shaft, the outer surface of hollow shaft is fixedly provided with multiple stirring boxes, and multiple steam nozzles are fixedly installed on the upper and lower surfaces of stirring box and the outer surface of hollow shaft, driving mechanism for driving hollow shaft to rotate is installed between hollow shaft and tank cover, the utility model adopts steam nozzle array endogenous heating, can greatly improve heat transfer efficiency, make material heated highly uniform, effectively avoid local overheating and the problem of incomplete sterilization.

Description

Technical Field

[0001] This utility model belongs to the technical field of dairy product sterilization equipment, specifically relating to a high-viscosity dairy product sterilization device. Background Technology

[0002] In the dairy production process, sterilization is a key step in ensuring product quality and safety. Especially for high-viscosity dairy products, the sterilization effect directly affects their taste, shelf life, and nutritional components.

[0003] Currently, most sterilization equipment for high-viscosity dairy products uses tank wall heating for sterilization. This method primarily transfers heat from the tank wall to the dairy products through heat conduction. However, due to the poor fluidity of high-viscosity dairy products, heat transfer within the products is slow, leading to uneven heating within the equipment. This can result in localized overheating or incomplete sterilization, affecting product quality and posing food safety risks.

[0004] Meanwhile, existing sterilization devices lack efficient cooling structures after completing the sterilization process, making it impossible to quickly cool dairy products. This not only prolongs the production cycle but also causes a significant loss of heat-sensitive nutrients such as vitamins and active enzymes in high-viscosity dairy products due to prolonged exposure to high temperatures, thus reducing the nutritional value of the products. Therefore, a sterilization device for high-viscosity dairy products is provided to solve the above-mentioned technical problems. Utility Model Content

[0005] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a high-viscosity dairy product sterilization device to solve the problems of uneven heating, incomplete sterilization and inefficient cooling caused by tank wall heating in the prior art, resulting in long production cycles and nutrient loss.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A high-viscosity dairy product sterilization device includes a tank with a discharge valve. A tank cover is fixedly installed on the upper surface of the tank. A feed pipe with a valve and a pressure relief valve are provided on the upper surface of the tank cover. An inverted U-shaped frame is fixedly installed on the upper surface of the tank cover. A hollow shaft is rotatably installed between the tank cover and the inverted U-shaped frame. The bottom end of the hollow shaft is sealed and extends into the tank. A steam supply sealing rotary joint is fixedly installed on the upper surface of the inverted U-shaped frame. The exhaust end of the steam supply sealing rotary joint is fixedly connected to the top end of the hollow shaft. Multiple stirring boxes are fixedly installed on the outer surface of the hollow shaft. The multiple stirring boxes are arranged alternately from left to right. Multiple steam nozzles are fixedly installed on the upper and lower surfaces of the stirring boxes and the outer surface of the hollow shaft. A drive mechanism for rotating the hollow shaft is installed between the hollow shaft and the tank cover.

[0008] The tank body is provided with a jacket for temporarily storing cold liquid to achieve heat exchange. An inlet valve and a drain valve are installed between the jacket and the outside of the tank body.

[0009] In the above technical solution, four connecting rods are fixedly installed on the outer surface of the hollow shaft, and a U-shaped scraper is fixedly installed between the outer ends of the four connecting rods. The outer side and lower surface of the U-shaped scraper are respectively attached to the inner side wall and the lower surface of the inner cavity of the tank.

[0010] In the above technical solution, the driving mechanism includes a drive motor and a driven gear. The drive motor is fixedly installed on the upper surface of the can lid, and the output end of the drive motor is fitted with a driving gear. The driven gear is fitted on the upper outer surface of the hollow shaft, and the driven gear and the driving gear are meshed together.

[0011] In the above technical solutions, the mixing box is provided with multiple hollow openings.

[0012] The high-viscosity dairy product sterilization device of this utility model has the following advantages compared with the prior art:

[0013] This invention employs an array of steam nozzles for endogenous heating, abandoning the traditional heat conduction method through the tank wall. This significantly improves heat transfer efficiency, ensuring highly uniform heating of the material and effectively preventing localized overheating and incomplete sterilization. The spiral baffles in the interlayer guide the spiral flow of cold water, extending contact time and area, enhancing cooling efficiency and uniformity, shortening the production cycle, and reducing the loss of heat-sensitive nutrients. The U-shaped scraper solves the problem of sticking to the walls of highly viscous dairy products during stirring, further ensuring stirring and sterilization effects, guaranteeing that the product meets commercial aseptic standards, and improving product quality and nutritional value. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0015] Figure 2 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0017] Figure 4 for Figure 3 Detailed image of point a in the middle.

[0018] Figure 5 This is a schematic diagram of the hollow shaft structure of this utility model.

[0019] Figures 1-5The components are as follows: 1. Tank body; 11. Jacket; 12. Inlet valve; 13. Drain valve; 14. Spiral baffle; 2. Tank cover; 21. Feed pipe with valve; 22. Pressure relief valve; 3. Inverted U-shaped frame; 31. Steam supply sealed rotary joint; 4. Hollow shaft; 41. Mixing box; 411. Hollow opening; 42. Steam nozzle; 43. Connecting rod; 44. U-shaped scraper; 5. Drive mechanism; 51. Drive motor; 52. Drive gear; 53. Driven gear. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In this embodiment, front, back, left, right, top, and bottom are... Figure 1 Describe the reference plane. See [link / reference] Figures 1-5 This utility model provides a technical solution:

[0022] A high-viscosity dairy product sterilization device includes a tank 1 with a discharge valve. The high-viscosity dairy product is sterilized in the tank 1. A tank cover 2 is fixedly installed on the upper surface of the tank 1 by bolts. The upper surface drives the feed pipe 21 with a valve and a pressure relief valve 22. An inverted U-shaped frame 3 is fixedly installed on the upper surface of the tank cover 2. A hollow shaft 4 is rotatably installed between the tank cover 2 and the inverted U-shaped frame 3. The bottom end of the hollow shaft 4 is sealed and extends into the tank 1. A steam supply sealing rotary joint 31 is fixedly installed on the upper surface of the inverted U-shaped frame 3. The exhaust end of the steam supply sealing rotary joint 31 is fixedly connected to the top end of the hollow shaft 4. Multiple stirring boxes 41 are fixedly installed on the outer surface of the hollow shaft 4. The multiple stirring boxes 41 are arranged alternately from left to right. Multiple steam nozzles 42 are fixedly installed on the upper and lower surfaces of the stirring boxes 41 and the outer surface of the hollow shaft 4. A hollow opening 411 is provided in each of the multiple stirring boxes 41.

[0023] A drive mechanism 5 is installed between the hollow shaft 4 and the can lid 2. The drive mechanism 5 is used to drive the hollow shaft 4 to rotate, thereby using the stirring box 41 to stir the high viscosity dairy product and make it heat evenly.

[0024] After connecting the steam-supply sealed rotary joint 31 to an external high-pressure steam source, high-pressure steam can be supplied to the hollow shaft 4. Under high pressure, the steam is ejected from each steam nozzle 42, thereby heating the high-viscosity dairy products in the tank 1. At the same time, the drive mechanism 5 drives the hollow shaft 4 to rotate, enabling the stirring box 41 to dynamically stir the dairy products. When high-pressure steam is input into the cavity of the hollow shaft 4 through the steam-supply sealed rotary joint 31, it is directionally injected into the dairy product system through the multi-directional steam nozzles 42, forming a three-dimensional heating field in conjunction with the circumferential displacement of the stirring box 41.

[0025] The use of multiple steam nozzles 42 array for endogenous heating changes the traditional heat conduction method of the tank wall, which can significantly improve the heat transfer efficiency. The mixing box 41 and the steam nozzles 42 work together to ensure that the material is heated evenly in the tank 1, and the temperature field uniformity error is controlled within a very small range, avoiding local overheating and incomplete sterilization, and effectively ensuring that the sterilization effect meets commercial aseptic standards.

[0026] Combination Figure 3 As shown, a jacket 11 is provided inside the tank body 1. The jacket 11 is used to temporarily store cold liquid to achieve heat exchange. A water inlet valve 12 and a drain valve 13 are installed between the jacket 11 and the outside of the tank body 1. The water inlet valve 12 is used to connect to an external cold water source, and the drain valve 13 is used to discharge the water that has been heated by heat exchange. By continuously replacing the cold water in the jacket 11, the high viscosity dairy products in the tank body 1 after sterilization are rapidly cooled.

[0027] To facilitate the spiral flow of cooling water along the inner wall of the jacket 11, a spiral baffle 14 is fixedly installed inside the jacket 11. Its purpose is to guide the cooling water along the spiral flow of the inner wall of the jacket 11. Through the guiding effect of the spiral baffle 14, the flow path of the cooling water within the jacket 11 is changed, transforming the originally straight or disordered water flow into a spiral flow. This effectively prolongs the contact time and contact area between the cooling water and the inner wall of the jacket, resulting in more thorough heat exchange and improved cooling efficiency. Simultaneously, it also improves cooling uniformity. The spiral path ensures that all areas of the inner wall of the jacket 11 can fully contact the cooling water, avoiding problems such as product stratification and deterioration caused by uneven local heating and cooling.

[0028] In addition, to prevent high-viscosity dairy products from sticking to the walls during stirring, four connecting rods 43 are fixedly installed on the outer surface of the hollow shaft 4. A U-shaped scraper 44 is fixedly installed between the outer ends of the four connecting rods 43. The outer and lower surfaces of the U-shaped scraper 44 are respectively attached to the inner wall and the lower surface of the inner cavity of the tank 1. During the stirring of high-viscosity dairy products, the U-shaped scraper 44 can be used to scrape off the dairy products that are in contact with the inner wall and the bottom of the inner cavity of the tank 1, preventing them from sticking, improving the stirring effect, and making them heat more evenly.

[0029] Finally, it should be noted that the drive mechanism 5 includes a drive motor 51 and a driven gear 53. The drive motor 51 is fixedly installed on the upper surface of the can lid 2, and the output end of the drive motor 51 is fitted with a drive gear 52. The driven gear 53 is fitted on the upper outer surface of the hollow shaft 4, and the driven gear 53 and the drive gear 52 are meshed together. The drive motor 51 is a servo motor, and after being electrically connected to an external power source, it can drive the hollow shaft 4 to rotate through the cooperation of the drive gear 52 and the driven gear 53, thereby using the stirring box 41 to stir the dairy products in the can 1.

[0030] Working principle: During use, the high-viscosity dairy product to be sterilized is poured into tank 1 through the valved feed pipe 21. Then, the drive mechanism 5 is started to drive the hollow shaft 4 to rotate. At the same time, high-pressure steam is injected into the hollow shaft 4 using an external high-pressure steam source. Under the action of the steam supply sealed rotary joint 31, the hollow shaft 4 rotates normally and receives steam. The steam is sprayed out from multiple steam nozzles 42, forming multiple heating zones in tank 1, thereby uniformly heating the high-viscosity dairy product during the stirring process. The supply temperature and time of the external high-pressure steam are controlled according to the sterilization requirements. After sterilization is completed, the steam supply is stopped. After sterilization is completed, the water inlet valve 12 is opened to allow cold water to enter the jacket 11 of tank 1. Under the guidance of the spiral baffle 14, the water spirals down and exchanges heat with the dairy product in the tank. The heated water is then discharged through the drain valve 13 to achieve rapid cooling. This heat exchange process can be continuously cooled by connecting the water inlet valve 12 and the drain valve 13 to an external cold water source circulation device. After the dairy products have cooled, open the discharge valve of tank 1 to discharge the dairy products.

Claims

1. A sterilization device for high-viscosity dairy products, characterized in that, The tank (1) includes a discharge valve, characterized in that: a tank cover (2) is fixedly installed on the upper surface of the tank (1), the upper surface of the tank cover (2) is provided with a valved feed pipe (21) and a pressure relief valve (22), and an inverted U-shaped frame (3) is fixedly installed on the upper surface of the tank cover (2), a hollow shaft (4) is rotatably installed between the tank cover (2) and the inverted U-shaped frame (3), the bottom end of the hollow shaft (4) is sealed, and the hollow shaft (4) extends into the tank (1). Inside, a steam-feeding sealed rotary joint (31) is fixedly installed on the upper surface of the inverted U-shaped frame (3). The exhaust end of the steam-feeding sealed rotary joint (31) is fixedly connected to the top of the hollow shaft (4). Multiple stirring boxes (41) are fixedly installed on the outer surface of the hollow shaft (4). The multiple stirring boxes (41) are arranged alternately from left to right. Multiple steam nozzles (42) are fixedly installed on the upper and lower surfaces of the stirring boxes (41) and the outer surface of the hollow shaft (4). A drive mechanism (5) for rotating the hollow shaft (4) is installed between the hollow shaft (4) and the can lid (2).

2. The high-viscosity dairy product sterilization device according to claim 1, characterized in that, The tank (1) is provided with a jacket (11) for temporarily storing cold liquid to achieve heat exchange. A water inlet valve (12) and a drain valve (13) are installed between the jacket (11) and the outside of the tank (1).

3. The high-viscosity dairy product sterilization device according to claim 1, characterized in that, Four connecting rods (43) are fixedly installed on the outer surface of the hollow shaft (4). A U-shaped scraper (44) is fixedly installed between the outer ends of the four connecting rods (43). The outer side and lower surface of the U-shaped scraper (44) are respectively attached to the inner side wall and the lower surface of the inner cavity of the tank (1).

4. The high-viscosity dairy product sterilization device according to claim 1, characterized in that, The drive mechanism (5) includes a drive motor (51) and a driven gear (53). The drive motor (51) is fixedly mounted on the upper surface of the can cover (2), and the output end of the drive motor (51) is fitted with a drive gear (52). The driven gear (53) is fitted on the upper outer surface of the hollow shaft (4), and the driven gear (53) and the drive gear (52) are meshed together.

5. The high-viscosity dairy product sterilization device according to claim 1, characterized in that, Each mixing box (41) is provided with multiple hollow openings (411).

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