CN218154884U

CN218154884U - Food cooling machine

Info

Publication number: CN218154884U
Application number: CN202222188817.9U
Authority: CN
Inventors: 黄新兆; 刘建
Original assignee: Hunan Zhiren Refrigeration Equipment Co ltd
Current assignee: Hunan Zhiren Refrigeration Equipment Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-27
Anticipated expiration: 2032-08-19

Abstract

The utility model provides a food cooler. The food cooler comprises a compressor, a condenser, an expansion valve, an evaporator, a refrigerant water tank, a cooling pipe and a food containing barrel; the first outlet is communicated with the second inlet to form a high-temperature water pipeline; the second outlet is communicated with the first inlet to form a low-temperature water pipeline; the third outlet is communicated with the fifth inlet to form a class A refrigerant vapor pipeline; the fifth outlet and the fourth inlet are communicated to form a B-type refrigerant vapor pipeline; the fourth outlet is communicated with the sixth inlet to form a refrigerant liquid pipeline; the sixth outlet is communicated with the third inlet to form a refrigerant gas-liquid mixing pipeline; and two ends of the cooling pipe respectively extend into the refrigerant water tank and the food containing barrel. The utility model discloses can realize the quick cooling and the environmental protection health of food.

Description

Food cooling machine

Technical Field

The utility model relates to a refrigeration plant technical field especially relates to a food cooler.

Background

At present, the cooling mode of liquid food or semi-liquid food such as soup, marinade, rice porridge, fruit juice and the like mostly adopts spreading cooling fans to blow cold or blow cold in a cold storage. The mode not only has low cooling speed, but also has influence on the food quality due to the breeding of microorganisms caused by long cooling period.

In order to solve the above problems, there is a vacuum precooler, which uses the reduction of the air pressure in the vacuum box to reduce the boiling point of water, and takes away heat through the boiling vaporization of water to achieve the effect of temperature reduction. But it has a problem: after boiling, the food is splashed, which is not only wasteful, but also the sanitary environment is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can solve the slow, unhygienic food cooler of cooling rate.

The utility model discloses a technical scheme is: a food cooler comprises a compressor, a condenser, an expansion valve, an evaporator, a refrigerant water tank, a cooling pipe and a food containing barrel;

a first outlet and a first inlet are formed in the refrigerant water tank; the evaporator is provided with a second outlet, a third outlet, a second inlet and a third inlet; a fourth outlet and a fourth inlet are arranged on the condenser; a fifth outlet and a fifth inlet are formed in the compressor; a sixth outlet and a sixth inlet are formed in the expansion valve;

the first outlet is communicated with the second inlet to form a high-temperature water pipeline; the second outlet is communicated with the first inlet to form a low-temperature water pipeline; the third outlet is communicated with the fifth inlet to form a class A refrigerant vapor pipeline; the fifth outlet and the fourth inlet are communicated to form a B-type refrigerant vapor pipeline; the fourth outlet is communicated with the sixth inlet to form a refrigerant liquid pipeline; the sixth outlet is communicated with the third inlet to form a refrigerant gas-liquid mixing pipeline;

and two ends of the cooling pipe respectively extend into the refrigerant water tank and the food containing barrel.

Preferably, a filter and an electromagnetic valve are further arranged on the refrigerant liquid pipeline, and the fourth outlet, the filter, the electromagnetic valve and the sixth inlet are communicated in sequence.

Preferably, a water pump is arranged on the high-temperature water pipeline and is respectively communicated with the first outlet and the second inlet.

Preferably, the temperature in the group a refrigerant vapor line is less than the temperature in the group B refrigerant vapor line and the gas pressure in the group a refrigerant vapor line is less than the gas pressure in the group B refrigerant vapor line.

Preferably, the first outlet is located at a lower side of the refrigerant water tank, and the first inlet is located at an upper side of the refrigerant water tank.

Preferably, the evaporator is a plate evaporator.

Preferably, the condenser is a shell-and-tube condenser.

Preferably, the compressor is a scroll compressor or a piston compressor.

Compared with the prior art, the beneficial effects of the utility model are that: the food cooler is provided with a compressor, a condenser, an expansion valve, an evaporator and the like, and the advantages of the compressor, the condenser, the expansion valve, the evaporator and the like are utilized to supplement each other, so that the food is rapidly cooled, and the food cooler is environment-friendly and sanitary.

Drawings

Fig. 1 is a schematic view of the structural connection principle of the food cooler provided by the present invention.

In the drawings: 1. a compressor; 11. a fifth outlet; 12. a fifth inlet; 2. a condenser; 21. a fourth outlet; 22. a fourth inlet; 3. a filter; 4. an electromagnetic valve; 5. an expansion valve; 51. a sixth outlet; 52. a sixth inlet; 6. an evaporator; 61. a second outlet; 62. a third outlet; 63. a second inlet; 64. a third inlet; 7. a water pump; 8. a refrigerant tank; 81. a first outlet; 82. a first inlet; 9. a cooling tube; 10. food holding barrel.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the utility model provides a pair of food cooler includes compressor 1, condenser 2, filter 3, solenoid valve 4, expansion valve 5, evaporimeter 6, water pump 7, refrigerant water tank 8, cooling tube 9 and food hold bucket 10.

A first outlet 81 and a first inlet 82 are formed in the refrigerant water tank 8; the evaporator 6 is provided with a second outlet 61, a third outlet 62, a second inlet 63 and a third inlet 64; a fourth outlet 21 and a fourth inlet 22 are arranged on the condenser 2; a fifth outlet 11 and a fifth inlet 12 are arranged on the compressor 1; the expansion valve 5 is provided with a sixth outlet 51 and a sixth inlet 52.

The first outlet 81, the water pump 7 and the second inlet 63 are communicated to form a high-temperature water pipeline; the second outlet 61 is communicated with the first inlet 82 to form a low-temperature water pipeline; the third outlet 62 is communicated with the fifth inlet 12 to form a class A refrigerant vapor line; the fifth outlet 11 and the fourth inlet 22 are communicated to form a class B refrigerant vapor line. The temperature in the class a refrigerant vapor line is less than the temperature in the class B refrigerant vapor line, and the pressure in the class a refrigerant vapor line is less than the pressure in the class B refrigerant vapor line. That is, the group a refrigerant vapor line is low-temperature and low-pressure refrigerant vapor, and the group B refrigerant vapor line is high-temperature and high-pressure refrigerant vapor.

The fourth outlet 21, the filter 3, the electromagnetic valve 4 and the sixth inlet 52 are communicated to form a refrigerant liquid pipeline; the sixth outlet 51 is communicated with the third inlet 64 to form a refrigerant gas-liquid mixing pipeline.

The first outlet 81 is located at a lower side of the coolant tank 8 (a side close to the cooling pipe 9), and the first inlet 82 is located at an upper side of the coolant tank 8 (a side far from the cooling pipe 9). The low-temperature refrigerant water is brought into contact with the cooling pipe 9 and changed into high-temperature water, and then pumped out by the water pump 7 and enters the evaporator 6.

The refrigerant water tank 8 and the food containing barrel 10 are arranged up and down. The cooling pipe 9 vertically penetrates through the refrigerant water tank 8 and is fixedly connected with the bottom of the refrigerant water tank 8 in a welding or gluing mode and the like, and the sealing performance of a joint is guaranteed. One end of the cooling pipe 9 extends into the refrigerant water tank 8 and contacts with the low-temperature refrigerant water in the refrigerant water tank 8, and the other end of the cooling pipe 9 extends into the food containing barrel 10 and contacts with high-temperature food. The cooling pipe 9 adopts a plurality of cooling pipes with R134a refrigerant in the pipes to cool the food. The cooling pipe 9 is a food-grade stainless steel pipe, and R134a refrigerant is injected into the pipe. The refrigerator can achieve the purpose of rapidly reducing the temperature of food by providing refrigerant water with the temperature of 10 to-10 ℃ (antifreeze is used as the refrigerant water below 5 ℃), and continuously absorbing the heat of the food by the R134a refrigerant cooled by the low-temperature refrigerant water.

In the present embodiment, the evaporator 6 is a plate evaporator. The condenser 2 is a shell-and-tube condenser. The expansion valve 5 is a thermostatic expansion valve. The filter 3 is a dry filter.

In this embodiment, the compressor 1 is a scroll compressor, and compared with a piston compressor, the scroll compressor can make a cooler more compact, and is beneficial to realizing integration on the same bearing platform.

The utility model provides a refrigeration method that food cooler adopted is single-stage vapor compression formula refrigeration, uses the refrigerant to be R22, and its refrigeration cycle process is: the low-temperature and low-pressure refrigerant vapor in the A-type refrigerant vapor pipeline enters the compressor 1 through a fifth inlet 12 on the air return pipe of the compressor 1, is compressed into high-temperature and high-pressure refrigerant vapor by the compressor 1, is discharged into the B-type refrigerant vapor pipeline through a fifth outlet 11 on the exhaust pipe of the compressor 1, and then enters the condenser 2 through a fourth inlet 22. The high-temperature and high-pressure refrigerant vapor releases heat to the cooling water in the condenser 2 and is condensed into refrigerant liquid, and the refrigerant liquid passes through the filter 3 and the solenoid valve 4 in this order from the fourth outlet 21 and then enters the expansion valve 5. The refrigerant gas-liquid mixture throttled and expanded to a low temperature and a low pressure in the expansion valve 5 enters the evaporator 6 from the third inlet 64.

One end of the cooling pipe 9 is placed in the refrigerant water tank 8, the refrigerant of the cooling pipe R134a is rapidly cooled by the low-temperature refrigerant water, and the cooled cooling pipe 9 can cool food. At this time, the low temperature water that lowers the temperature of the cooling pipe 9 becomes high temperature water, and the high temperature water enters the evaporator 6 through the first outlet 81 and the second inlet 63.

The low-temperature and low-pressure refrigerant gas-liquid mixture absorbs heat from the secondary refrigerant (high-temperature refrigerant water entering from the second inlet 63) flowing through the evaporator 6 to evaporate, so that the temperature of the refrigerant water passing through the evaporator 6 is reduced, and the purposes of refrigeration and temperature reduction are achieved. The evaporated refrigerant vapor is again sucked into the compressor, and the next refrigeration cycle is started.

The refrigerant water cooled by the evaporator 6 enters the refrigerant water tank 8 from the second outlet 61 and the first inlet 82 to cool the cooling pipe 9 again.

And the rapid cooling is realized by the above circulation.

The utility model discloses a cooler can be integrated on same bearing platform, and it is few to take up an area of.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A food cooler is characterized by comprising a compressor (1), a condenser (2), an expansion valve (5), an evaporator (6), a refrigerant water tank (8), a cooling pipe (9) and a food containing barrel (10);

a first outlet (81) and a first inlet (82) are formed in the refrigerant water tank (8); the evaporator (6) is provided with a second outlet (61), a third outlet (62), a second inlet (63) and a third inlet (64); a fourth outlet (21) and a fourth inlet (22) are formed in the condenser (2); a fifth outlet (11) and a fifth inlet (12) are arranged on the compressor (1); a sixth outlet (51) and a sixth inlet (52) are arranged on the expansion valve (5);

the first outlet (81) is communicated with the second inlet (63) to form a high-temperature water pipeline; the second outlet (61) is communicated with the first inlet (82) to form a low-temperature water pipeline; the third outlet (62) is communicated with the fifth inlet (12) to form a type A refrigerant vapor pipeline; the fifth outlet (11) and the fourth inlet (22) are communicated to form a B-type refrigerant vapor pipeline; the fourth outlet (21) is communicated with the sixth inlet (52) to form a refrigerant liquid pipeline; the sixth outlet (51) is communicated with the third inlet (64) to form a refrigerant gas-liquid mixing pipeline;

and two ends of the cooling pipe (9) respectively extend into the refrigerant water tank (8) and the food containing barrel (10).

2. The food chiller according to claim 1, wherein a filter (3) and a solenoid valve (4) are further provided on the refrigerant liquid line, and the fourth outlet (21), the filter (3), the solenoid valve (4) and the sixth inlet (52) are communicated in sequence.

3. The food chiller according to claim 1, wherein a water pump (7) is provided in the high temperature water line, and the water pump (7) is communicated with the first outlet (81) and the second inlet (63) respectively.

4. The food chiller according to claim 1 wherein the temperature in said class a refrigerant vapor line is lower than the temperature in said class B refrigerant vapor line and the pressure in said class a refrigerant vapor line is lower than the pressure in said class B refrigerant vapor line.

5. The food chiller as claimed in claim 1, wherein the first outlet (81) is located on a lower side of the coolant tank (8) and the first inlet (82) is located on an upper side of the coolant tank (8).

6. Food chiller according to claim 1, characterised in that the evaporator (6) is a plate evaporator.

7. Food chiller according to claim 1, characterised in that the condenser (2) is a shell and tube condenser.

8. Food cooler according to claim 1, characterized in that the compressor (1) is a scroll compressor or a piston compressor.