CN111141078A

CN111141078A - Refrigerating device for quickly freezing cold storage plate

Info

Publication number: CN111141078A
Application number: CN202010060999.4A
Authority: CN
Inventors: 邹同华; 刘哲; 李贺强; 宋睿琪; 惠庆玲
Original assignee: Tianjin University of Commerce
Current assignee: Tianjin University of Commerce
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-05-12

Abstract

The invention discloses a refrigerating device for rapidly freezing a cold storage plate. The refrigerant of the refrigerant circulating system sequentially passes through the compressor, the condenser, the throttle valve and the cold accumulation water tank, so that the purpose of cooling the secondary refrigerant in the cold accumulation water tank can be realized; the secondary refrigerant circulating system is characterized in that low-temperature secondary refrigerant in the cold water storage tank enters the instant freezer through a water pump and then returns to the cold water storage tank, so that the aim of cooling a cold storage plate in the instant freezer is fulfilled; the instant freezer comprises a hydraulic device, the distance between the cold plates can be adjusted, and the cold plates are fully contacted with the cold storage plates. The cold storage water tank is utilized to realize the utilization of off-peak electricity, so that the pressure of a power grid is relieved, and the economic benefit is improved; the distance between the cold plates of the instant freezer can be adjusted, so that the cold plates can be fully contacted with the cold storage plates, and the freezing efficiency is improved.

Description

Refrigerating device for quickly freezing cold storage plate

Technical Field

The invention relates to the technical field of quick freezing of cold storage plates, in particular to a system for quickly freezing cold storage plates by using secondary refrigerant.

Background

With the rapid development of the economy of China, the low-temperature refrigeration logistics technology of China is rapidly developed. In the cold chain distribution process, some foods and medicines need to be stored at low temperature. Cold storage plates are a device that is often used. However, the cold storage plate needs to be frozen at a low temperature before use, and the traditional cold storage plate is frozen and placed in a low-temperature storage, and is cooled by cold air, so that the heat exchange effect is poor, the consumed time is long, and the turnover rate of the cold storage plate is low.

Therefore, there is an urgent need to develop a technology capable of rapidly freezing the cold storage plate.

Disclosure of Invention

In view of the above-mentioned disadvantages, the present invention provides a refrigeration device for rapidly freezing a cold storage plate, which can rapidly freeze the cold storage plate and improve freezing efficiency.

The invention is realized by the following technical scheme:

a refrigerating device for rapidly freezing a cold storage plate comprises a refrigerant circulating system and a secondary refrigerant circulating system; the refrigerant circulating system comprises a compressor, a condenser, a throttle valve and a cold accumulation water tank; and a refrigerant outlet of the compressor is connected with a refrigerant inlet of the condenser, a refrigerant outlet of the condenser is connected with a refrigerant inlet of the throttling valve, and a refrigerant outlet of the throttling valve is connected with a refrigerant inlet of the cold storage water tank. A refrigerant outlet of the cold accumulation water tank is connected with a refrigerant inlet of the compressor; the secondary refrigerant circulating system comprises a cold storage water tank, a quick freezer, a valve and a water pump; the cold storage water tank is characterized in that a secondary refrigerant outlet of the cold storage water tank is connected with a valve, the valve is connected with a water pump inlet, a water pump outlet is connected with a cold plate inlet of the instant freezer, a cold plate outlet of the instant freezer is connected with a stop valve, and the stop valve is connected with the secondary refrigerant inlet of the cold storage water tank.

The quick freezer 5 comprises a left cold plate 8, a right cold plate 8, a lower cold plate 9, a hydraulic device 10, a slide rail 11 and a connecting hose 12, wherein the left cold plate 8 and the right cold plate 8 are respectively connected with a left cold plate secondary refrigerant inlet pipeline 13, a right cold plate secondary refrigerant outlet pipeline 14, a left cold plate secondary refrigerant inlet pipeline 13 and a right cold plate secondary refrigerant outlet pipeline 14, and the lower cold plate 9 is respectively connected with a lower cold plate secondary refrigerant inlet pipeline 15 and a lower cold plate secondary refrigerant outlet pipeline 16.

The instant freezer comprises a front door and a rear door, and can realize quick and convenient operation.

The instant freezer is provided with an automatic feeding device matched with the instant freezer.

The invention has the beneficial effects that: the cold storage water tank is utilized to realize the utilization of off-peak electricity, so that the pressure of a power grid is relieved, and the economic benefit is improved; the cold plate is fully contacted with the cold storage plate, so that the freezing efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a diagram of a freezer;

FIG. 3 is a left and right cold plate view of the instant freezer;

FIG. 4 is a lower cold plate view of the instant freezer;

fig. 5 is a view of a feeding device.

In the figure: 1. a compressor; 2. a condenser; 3. a throttle valve; 4. a cold storage water tank; 5. a quick freezer; 6. a stop valve; 7. a water pump; 8. left and right cold plates; 9. a lower cooling plate; 10. a hydraulic device; 11. a slide rail; 12. a connecting hose; 13. a left cold plate secondary refrigerant inlet pipeline and a right cold plate secondary refrigerant inlet pipeline; 14. left and right cold plate secondary refrigerant outlet pipelines; 15. a lower cold plate coolant inlet duct; 16. a lower cold plate coolant outlet conduit; 17. a first baffle plate; 18. a second baffle plate; 19. a feed chute; 20. a feed baffle; 21. a feeding mechanical arm.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

A refrigerating apparatus for rapidly freezing a cold storage plate according to the present invention as shown in fig. 1 includes a refrigerant circulating system and a secondary refrigerant circulating system. The refrigerant circulating system comprises a compressor 1, a condenser 2, a throttle valve 3 and a cold accumulation water tank 4.

Wherein, the refrigerant outlet of the compressor 1 is connected with the refrigerant inlet of the condenser 2, the refrigerant outlet of the condenser 2 is connected with the refrigerant inlet of the throttle valve 3, and the refrigerant outlet of the throttle valve 3 is connected with the refrigerant inlet of the cold accumulation water tank 4. The refrigerant outlet of the cold storage water tank 4 is connected to the refrigerant inlet of the compressor 1. The purpose of cooling the secondary refrigerant in the cold storage water tank can be realized through the refrigerant circulating system

The refrigerating medium circulating system comprises a cold accumulation water tank 4, a quick freezer 5, a valve 6 and a water pump 7. Wherein the secondary refrigerant outlet of the cold accumulation water tank 4 is connected with the valve 6, the valve 6 is connected with the inlet of the water pump 7, the outlet of the water pump 7 is connected with the

cold plate inlets

13 and 15, the

cold plate outlets

14 and 16 are connected with the stop valve 22, and the stop valve 22 is connected with the secondary refrigerant inlet of the cold accumulation water tank 4. The cold storage plate can be quickly frozen through the cold storage agent circulating system.

In addition, the size of the cold storage water tank and the number of the instant freezers can be adjusted according to actual production requirements. One cold accumulation water tank with a plurality of instant freezers can be realized.

As shown in fig. 2, the instant freezer 5 includes left and right cold plates 8, a lower cold plate 9, a hydraulic device 10, slide rails 11, a connecting hose 12, left and right cold plate coolant inlet pipes 13, left and right cold plate coolant outlet pipes 14, a lower cold plate coolant inlet pipe 15, and a lower cold plate coolant outlet pipe 16.

Specifically, the secondary refrigerant flows into the cold plate inlet from the secondary refrigerant outlet of the cold storage water tank, and then flows out from the cold plate outlet into the inlet of the cold storage water tank. After the feeding is completed, the left and right cold plates 8 connected with the hydraulic device 10 are driven by the hydraulic device 10, so that the cold storage plates are fully contacted with the left and right cold plates 8 and the lower cold plate 9, the freezing efficiency is improved, the left and right cold plates 8 are connected with the left and right cold plate secondary refrigerant inlet pipelines 13 and the left and right cold plate secondary refrigerant outlet pipelines 14 through the connecting hoses 12, the secondary refrigerant can still flow into the left and right cold plates in the cold plate clamping process, and the slide rails are tightly attached to the lower cold plate or embedded into the lower cold plate.

As shown in figure 3, a first baffle plate 17 is arranged inside the left cold plate 8 and the right cold plate 8, and a second baffle plate 18 is arranged inside the lower cold plate as shown in figure 4. The baffle plates can fully disturb the secondary refrigerant, so that the heat exchange efficiency is improved.

The feeding device shown in fig. 5 includes a feeding chute 19, a feeding baffle 20, and a feeding robot arm 21.

In the concrete realization, pile up the cold-storage board of material in cold-storage tank 19 when the feeding, promote feeding baffle 19 through feeding robotic arm 21 and promote the cold-storage board and get into and realize the feeding between the left and right cold drawing. When discharging, the mechanical arm is used for pushing the cold accumulation plate to leave the instant freezer. Thereby realizing the discharging.

In summary, the invention provides a refrigeration device for rapidly freezing a cold storage plate, and the cold storage plate is rapidly frozen by using a cold storage water tank. The utilization of off-peak electricity relieves the pressure of a power grid and improves the economic benefit; the adoption of the instant freezer with the adjustable cold plate interval can ensure that the cold plate is fully contacted with the cold storage plate, thereby improving the freezing efficiency. Has great practical significance in production.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A refrigerating device for rapidly freezing a cold storage plate is characterized by comprising a refrigerant circulating system and a secondary refrigerant circulating system;

the refrigerant circulating system comprises a compressor (1), a condenser (2), a throttle valve (3) and a cold accumulation water tank (4); the refrigerant outlet of the compressor is connected with the refrigerant inlet of the condenser, the refrigerant outlet of the condenser is connected with the refrigerant inlet of the throttle valve, the refrigerant outlet of the throttle valve is connected with the refrigerant inlet of the cold accumulation water tank, and the refrigerant outlet of the cold accumulation water tank is connected with the refrigerant inlet of the compressor;

the secondary refrigerant circulating system comprises a quick freezer (5), a valve (6) and a water pump (7); the secondary refrigerant outlet of the cold accumulation water tank (4) is connected with the valve, the valve is connected with the water pump inlet, the water pump outlet is connected with the cold plate inlet of the instant freezer, the cold plate outlet of the instant freezer is connected with the stop valve (22), and the stop valve (22) is connected with the secondary refrigerant inlet of the cold accumulation water tank.

2. A refrigerator according to claim 1, characterized in that the freezer (5) comprises left and right cold plates (8), a lower cold plate (9), a hydraulic device (10), a slide rail (11), and a connecting hose (12), the hydraulic device (10) drives the left and right cold plates connected to the hydraulic device, the left and right cold plates are connected to the left and right cold plate coolant inlet pipes (13) and the left and right cold plate coolant outlet pipes (14) through the connecting hose (12), and the lower cold plate is connected to the lower cold plate coolant inlet pipe (15) and the lower cold plate coolant outlet pipe (16), respectively.

3. A refrigerator for rapidly freezing cold storage panels as claimed in claim 1 wherein said freezer is provided with a front door and a rear door.