Cooling device for milk production

By incorporating a stirring mechanism and a refrigeration mechanism into the milk cooling device, the problems of uneven cooling and low efficiency are solved, achieving uniform cooling of milk and improving efficiency.

CN224065763UActive Publication Date: 2026-03-31GUANGXI NONGKEN XIJIANG DAIRY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing milk cooling devices are uneven and inefficient, failing to effectively extend the storage period of milk.

Method used

A stirring mechanism is installed inside the cooling tank. The stirring mechanism is driven by a drive mechanism to rotate, and together with the refrigeration mechanism, the milk in the milk tank is stirred and cooled evenly, and heat is exchanged between the coolant and the milk.

Benefits of technology

This achieves uniform cooling of milk, improves cooling efficiency, and extends the milk's shelf life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooling device for milk production, which comprises a cooling tank and a refrigerating mechanism, a milk tank is arranged in the cooling tank, a feed pipe is arranged at the upper end of the milk tank, a discharge pipe is arranged at the lower end of the milk tank, and the feed pipe and the discharge pipe both extend out of the cooling tank. Stirring mechanisms are arranged in the milk tank and between the milk tank and the cooling tank, a driving mechanism is arranged below the cooling tank, and the driving mechanism is connected with the stirring mechanisms and drives the stirring mechanisms to rotate; the refrigerating mechanism is arranged on one side of the cooling tank and comprises a box body, a refrigerator, a delivery pump and a delivery pipe, the upper part and the lower part of the cooling tank are respectively provided with a feed port and a discharge port, the refrigerator is arranged in the box body, the delivery pump is arranged on the box body and is connected with the delivery pipe, the upper end of the delivery pipe is connected with the feed port, and the lower end of the delivery pipe extends into the box body; and a discharge hole of the cooling tank is communicated with the box body. The cooling device is uniform in cooling, good in effect and high in efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of milk production technology, specifically to a cooling device for milk production. Background Technology

[0002] Milk is one of the oldest natural beverages, rich in nutrients such as protein, fat, vitamins, and minerals, and is widely enjoyed. Fresh milk contains a large number of microorganisms and has a short shelf life, making it unsuitable for sale. Therefore, milk production requires high-temperature sterilization to kill pathogens, followed by cooling to prevent nutrient loss. A utility model patent application with application number "202120049898.7," entitled "A Milk Cooling Tank," incorporates a water chiller and an air cooler. This patent uses cold air and cold water to cool the milk inside the tank from the inside out. However, the cooling tank's cooling effect is uneven and slow, requiring improvement. Utility Model Content

[0003] The purpose of this invention is to provide a cooling device for milk production to solve the problems existing in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a cooling device for milk production, comprising a cooling tank and a refrigeration mechanism. A milk tank is disposed within the cooling tank. An inlet pipe is disposed at the upper end of the milk tank, and a outlet pipe is disposed at the lower end of the milk tank. Both the inlet and outlet pipes extend out of the cooling tank. A stirring mechanism is disposed inside the milk tank and between the milk tank and the cooling tank. A driving mechanism is disposed below the cooling tank, connected to the stirring mechanism, driving the stirring mechanism to rotate. The refrigeration mechanism is disposed on one side of the cooling tank and includes a housing, a cooler, a delivery pump, and a delivery pipe. An inlet and an outlet are respectively disposed at the upper and lower parts of the cooling tank. The cooler is disposed within the housing. The delivery pump is disposed on the housing and connected to the delivery pipe. The upper end of the delivery pipe is connected to the inlet, and the lower end of the delivery pipe extends into the housing. The outlet of the cooling tank is connected to the housing.

[0005] As a preferred embodiment of this technical solution, the drive mechanism includes a motor, a drive gear, and a driven gear; the stirring mechanism includes a stirring shaft and a stirring rod mounted on the stirring shaft; the stirring shaft extends out of the cooling tank; the motor output end is connected to the drive gear and the stirring shaft inside the milk tank; the stirring shaft between the milk tank and the cooling tank is connected to the driven gear; and the drive gear and the driven gear mesh.

[0006] As a preferred embodiment of this technical solution, both the cooling tank and the milk tank are hollow cylinders, and their centerlines are coaxial.

[0007] As a preferred embodiment of this technical solution, a set of stirring mechanisms is provided inside the milk tank, and four sets of stirring mechanisms are provided between the milk tank and the cooling tank, with the four sets of stirring mechanisms evenly distributed on the outside of the milk tank.

[0008] As a preferred embodiment of this technical solution, a support column is provided at the lower end of the cooling tank, a support plate is provided between the support columns, and the motor is mounted on the support plate.

[0009] As a preferred embodiment of this technical solution, two support plates are provided, one above the other on the support column. The upper support plate is located between the motor and the drive gear, and the stirring shaft extends out of the cooling tank and rotates on the upper support plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, coolant is added to the cooling tank and milk to be cooled is added to the milk tank. A stirring mechanism is provided inside the milk tank and between the milk tank and the cooling tank. The stirring mechanism is driven by a driving mechanism to stir, so that the coolant and milk are fully stirred. The milk is cooled evenly by the coolant, which has a good effect and high efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0012] Figure 2 This is a top view of the structure of this utility model.

[0013] Figure 3 This utility model Figure 2 AA view.

[0014] Figure 4 This utility model Figure 3 BB view.

[0015] Figure 5 This is a gear connection diagram of the drive mechanism of this utility model.

[0016] In the diagram: 1. Cooling tank; 1.1. Inlet; 1.2. Outlet; 2. Milk tank; 3. Inlet pipe; 4. Outlet pipe; 5. Box body; 6. Refrigerator; 7. Transfer pump; 8. Transfer pipe; 9. Motor; 10. Drive gear; 11. Driven gear; 12. Stirring shaft; 13. Stirring rod; 14. Support column; 15. Support plate. Detailed Implementation

[0017] 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.

[0018] Please see Figure 1-5 This utility model provides a cooling device for milk production, including a cooling tank 1 and a refrigeration mechanism. A milk tank 2 is installed inside the cooling tank 1, with a gap between the cooling tank 1 and the milk tank 2. An inlet pipe 3 is installed at the upper end of the milk tank 2, and an outlet pipe 4 is installed at the lower end of the milk tank 2. Both the inlet pipe 3 and the outlet pipe 4 extend out of the cooling tank 1. A stirring mechanism is installed inside the milk tank 2 and between the milk tank 2 and the cooling tank 1. A drive mechanism is installed below the cooling tank 1, and the drive mechanism is connected to the stirring mechanism to drive the stirring mechanism to rotate. The refrigeration mechanism is located on one side of the cooling tank 1 and includes a housing 5, a cooler 6, a delivery pump 7, and a delivery pipe 8. An inlet 1.1 and an outlet 1.2 are respectively provided at the upper and lower parts of the cooling tank 1. The cooler 6 is installed inside the housing 5. The delivery pump 7 is installed on the housing 5 and connected to the delivery pipe 8. The upper end of the delivery pipe 8 is connected to the inlet 1.1, and the lower end of the delivery pipe 8 extends into the housing 5. The outlet 1.2 of the cooling tank 1 is connected to the housing 5.

[0019] In a specific embodiment of this utility model, both the cooling tank 1 and the milk tank 2 are hollow cylinders. The center lines of the cooling tank 1 and the milk tank 2 are coaxial, that is, the milk tank 2 is located in the middle of the cooling tank 1. The milk tank 2 can be located on the bottom plate of the cooling tank 1, or it can be located on the bottom plate of the cooling tank 1 by means of a support. The drive mechanism includes a motor 9, a drive gear 10, and a driven gear 11. The stirring mechanism includes a stirring shaft 12 and stirring rods 13 located on the stirring shaft 12. The stirring shaft 12 is vertically arranged, and the stirring rods 13 are horizontally connected to the stirring shaft 12. Multiple sets of stirring rods 13 are arranged vertically on the stirring shaft 12. The stirring shaft 12 extends out of the cooling tank 1. The output end of the motor 9 is connected to the drive gear 10 and the stirring shaft 12 inside the milk tank 2. The stirring shaft 12 between the milk tank 2 and the cooling tank 1 is connected to the driven gear 11, and the drive gear 10 and the driven gear 11 mesh.

[0020] In a specific implementation of this utility model, a set of stirring mechanisms is provided inside the milk tank 2, and four sets of stirring mechanisms are provided between the milk tank 2 and the cooling tank 1. The four sets of stirring mechanisms are evenly distributed on the outside of the milk tank 2. A passive gear 11 is provided on the stirring shaft 12 of each of the four sets of stirring mechanisms, and the four passive gears 11 mesh with the driving gear 10.

[0021] In a specific implementation of this utility model, a support column 14 is provided at the lower end of the cooling tank 1. The support column 14 is located at the edge of the lower end face of the cooling tank 1. A support plate 15 is provided between the support columns 14. The support plate 15 is horizontally arranged. The motor 9 is located on the support plate 15. Two support plates 15 are provided, one above the other on the support column 14. The two support plates 15 are parallel. The upper support plate 15 is located between the motor 9 and the drive gear 10. The stirring shaft 12 extends out of the cooling tank 1 and rotates on the upper support plate 15.

[0022] In this invention, when the stirring shaft 12 between the milk tank 2 and the cooling tank 1 passes through the cooling tank 1, a bearing is provided between the stirring shaft 12 and the cooling tank 1. When the stirring shaft 12 inside the milk tank 2 passes through the milk tank 2 and the cooling tank 1, bearings are also provided between the stirring shaft 12 and the milk tank 2, and between the stirring shaft 12 and the cooling tank 1. All penetration points are sealed. The stirring shaft 12 rotates on the upper support plate 15 via bearings. The discharge pipe 4 at the lower end of the milk tank 2 passes through the cooling tank 1 and then bends to the outside of the cooling tank 1 to avoid interference with the gears below the cooling tank 1. A valve is provided on the discharge pipe 4; after cooling is complete, the valve opens to discharge the cooled milk.

[0023] When this invention is in operation, liquid is added to the tank, and the cooler cools the liquid. After the required temperature is reached, the delivery pump delivers the cooled liquid to the cooling tank through the delivery pipe, and the liquid flows back to the tank through the outlet at the bottom of the cooling tank to achieve circulation. Milk is added to the milk tank through the feed pipe at the top of the milk tank. The drive mechanism drives the stirring mechanism to stir the liquid in the cooling tank and the milk in the milk tank. Heat is exchanged between the milk and the cooled liquid to cool the milk. After completion, the milk is discharged to the outside through the discharge pipe of the milk tank.

Claims

1. Cooling device for milk production, comprising a cooling tank and a refrigeration mechanism, characterized in that: The milk tank is arranged in the cooling tank, the upper end of the milk tank is provided with a feeding pipe, the lower end of the milk tank is provided with a discharging pipe, the feeding pipe and the discharging pipe extend out of the cooling tank, the inside of the milk tank and the space between the milk tank and the cooling tank are provided with stirring mechanisms, the driving mechanism is arranged below the cooling tank, the driving mechanism is connected with the stirring mechanisms and drives the stirring mechanisms to rotate; the refrigeration mechanism is arranged on one side of the cooling tank, the refrigeration mechanism comprises a box, a refrigerator, a conveying pump and a conveying pipe, the upper part and the lower part of the cooling tank are provided with feeding ports and discharging ports respectively, the refrigerator is arranged in the box, the conveying pump is arranged on the box and connected with the conveying pipe, the upper end of the conveying pipe is connected with the feeding port, the lower end of the conveying pipe extends into the box, and the discharging port of the cooling tank is communicated with the box.

2. Cooling device for milk production according to claim 1, characterized in that: The driving mechanism comprises a motor, a driving gear and a driven gear, the stirring mechanism comprises a stirring shaft and stirring rods arranged on the stirring shaft, the stirring shaft extends out of the cooling tank, the output end of the motor is connected with the driving gear and the stirring shaft in the milk tank, the stirring shaft between the milk tank and the cooling tank is connected with the driven gear, and the driving gear is engaged with the driven gear.

3. Cooling device for milk production according to claim 2, characterized in that: The cooling tank and the milk tank are both hollow cylindrical, and the center lines of the cooling tank and the milk tank are coaxial.

4. Cooling device for milk production according to claim 3, characterized in that: A plurality of stirring mechanisms are arranged in the milk tank, and four groups of stirring mechanisms are arranged between the milk tank and the cooling tank, and the four groups of stirring mechanisms are arranged on the outside of the milk tank.

5. Cooling device for milk production according to claim 4, characterized in that: The lower end of the cooling tank is provided with support columns, and support plates are arranged between the support columns.

6. Cooling device for milk production according to claim 5, characterized in that: The support plates are arranged in two groups and arranged on the support columns in an upper-lower mode, the upper support plate is arranged between the motor and the driving gear, and the stirring shaft rotates on the upper support plate after extending out of the cooling tank.

Citation Information

Patent Citations

  • Milk cooling tank

    CN215898767U