CN212673564U

CN212673564U - Precooling evaporator

Info

Publication number: CN212673564U
Application number: CN202021293377.8U
Authority: CN
Inventors: 管春韬; 殷敏伟; 刘仰树
Original assignee: WUXI YUDA HEAT EXCHANGER CO Ltd
Current assignee: WUXI YUDA HEAT EXCHANGER CO Ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-09
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to a precooling evaporator, which comprises a core; the core comprises a plate bundle body module, the plate bundle body module comprises a plurality of heat exchange channels, and the plurality of heat exchange channels comprise a hot air channel, a dry air and first refrigerant medium channel and a dry air and second refrigerant medium channel; two ends of the core are respectively provided with a hot and humid air inlet end socket and a cold and humid air outlet end socket; and a first refrigerant inlet end socket and a first refrigerant outlet end socket are arranged on one side of the core, and a precooling air outlet end socket, a precooling air inlet end socket, a second refrigerant inlet end socket and a second refrigerant outlet end socket are arranged on the other side of the core. The utility model discloses the cooling rate is fast.

Description

Precooling evaporator

Technical Field

The utility model relates to a cooling system technical field, in particular to precooling evaporator.

Background

A refrigerating system is composed of compressor, condenser, throttle valve and evaporator. The refrigeration system performs a process of extracting heat from a low temperature environment and releasing heat in a high temperature environment.

An evaporator is a device for exchanging heat between refrigerant and a low-temperature heat source (a cooled system) in a refrigeration system, and belongs to a dividing wall type heat exchanger like a condenser. The heat transfer quantity is related to the heat exchange area, the heat transfer temperature difference and the heat transfer coefficient.

Factors affecting heat transfer of the evaporator: 1. the effect of refrigerant properties on the evaporator. 2. The effect of the wetting ability of the refrigerant liquid. 3. The influence of the heat transfer surface conditions on the heat transfer of the evaporator. 4. The effect of the evaporator configuration on the evaporator heat transfer.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses a precooling evaporimeter.

The utility model discloses the technical scheme who adopts as follows:

a pre-chilled evaporator comprising a wick; the core comprises a plate bundle body module, the plate bundle body module comprises a plurality of heat exchange channels, and the plurality of heat exchange channels comprise a hot air channel, a dry air and first refrigerant medium channel and a dry air and second refrigerant medium channel; two ends of the core are respectively provided with a hot and humid air inlet end socket and a cold and humid air outlet end socket; and a first refrigerant inlet end socket and a first refrigerant outlet end socket are arranged on one side of the core, and a precooled air outlet end socket, a precooled air inlet end socket, a second refrigerant inlet end socket and a second refrigerant outlet end socket are arranged on the other side of the core.

The method is further characterized in that: the plate bundle module comprises a plurality of partition plates and a frame clamped between the partition plates, wherein a plurality of inner cavities which are sealed relative to each other and are used for a heat exchange medium between the hot and humid air inlet end socket and the cold air outlet end socket to flow through are formed between the partition plates and the frame.

The method is further characterized in that: and brackets are symmetrically welded on two sides of the core.

The method is further characterized in that: the hot and humid air inlet end socket and the cold and humid air outlet end socket are inserted into the first connecting pipe; the first connecting pipe of the hot and humid air inlet end socket and the first connecting pipe of the cold and humid air outlet end socket are parallel to each other and are not on the same side; the first connecting pipe is connected with the first flange.

The method is further characterized in that: the precooling air outlet end socket and the precooling air inlet end socket are inserted into a second connecting pipe; and the second connecting pipe of the precooling air outlet end socket and the second connecting pipe of the precooling air inlet end socket are parallel to each other and are positioned at the same side.

The method is further characterized in that: the first refrigerant inlet end socket, the first refrigerant outlet end socket, the second refrigerant inlet end socket and the second refrigerant outlet end socket are all inserted into refrigerant inlet joints.

The utility model has the advantages as follows:

1. the utility model discloses heat exchange efficiency is high. The utility model discloses guarantee that three kinds of heat transfer medium of hot-air, refrigerant and cold air have circulation pipeline separately and isolated each other.

2. The utility model discloses evaporation capacity is big, fast. The utility model discloses a let in the precooling air for in the hot humid air precooling, cold air after the precooling gets into the core, can be under the effect of first refrigerant and second refrigerant, powerful cooling.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a cross-sectional view taken at a-a in fig. 3.

Fig. 5 is a working schematic diagram of the hot air channel of the present invention.

Fig. 6 is a schematic diagram of the operation of the dry air and first refrigerant medium channel according to the present invention.

Fig. 7 is a schematic diagram of the operation of the dry air and second refrigerant medium channel of the present invention.

In the figure: 1. a moist and hot air inlet end socket; 2. a core; 3. a support; 4. a first refrigerant inlet head; 5. a first refrigerant outlet head; 6. a precooling air outlet end socket; 7. a precooling air inlet end socket; 8. a second refrigerant inlet end enclosure; 9. a second refrigerant outlet head; 10. and a wet cold air outlet end socket.

Detailed Description

The foregoing and other features, aspects and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of description and is not intended to be limiting, and moreover, like reference numerals will be used to refer to like elements throughout.

The following describes a specific embodiment of the present embodiment with reference to the drawings.

Fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a front view of the present invention, fig. 3 is a side view of the present invention, and fig. 4 is a sectional view of a-a in fig. 3. Referring to fig. 1-4, a pre-cooled evaporator includes a wick 2. The bracket 3 is symmetrically welded on two sides of the core 2. The core 2 comprises a plate pack module. The plate bundle module comprises a plurality of partition plates and a frame clamped between the partition plates, wherein a plurality of inner cavities which are sealed mutually and are used for allowing three heat exchange media between the hot and humid air inlet end socket 1 and the cold and humid air outlet end socket 10 to flow through are formed between the partition plates and the frame. The plate bundle module includes a plurality of heat exchange channels including a hot air channel, a dry air and first refrigerant medium channel, and a dry air and second refrigerant medium channel. In this embodiment, the hot air channel, the dry air and first refrigerant medium channel and the dry air and second refrigerant medium channel are evenly spaced. And a dry air and first refrigerant channel or a dry air and second refrigerant channel is arranged between every two layers of hot air channels. When the positions of the hot air channel layers are arranged according to the sequence of the general term n +1, n is more than or equal to 0 and n is a natural number. The dry air and the first refrigerant medium channel layer are arranged according to the sequence of the general term n +2, n is larger than or equal to 1, and n is a natural number. The dry air and the second refrigerant medium channel layer are arranged according to the sequence of a general term n +4, n is larger than or equal to 1, and n is a natural number. The dry air and first refrigerant medium channel locations are interchangeable with the dry air and second refrigerant medium channel locations, i.e., when the dry air and second refrigerant medium channel layers are arranged in the order of the generic n +2, the dry air and first refrigerant medium channel layers are arranged in the order of the generic n + 4.

The two ends of the core 2 are respectively provided with a hot and humid air inlet end socket 1 and a cold and humid air outlet end socket 10. A first refrigerant inlet end socket 4 and a first refrigerant outlet end socket 5 are arranged on one side of the core 2, and a precooling air outlet end socket 6, a precooling air inlet end socket 7, a second refrigerant inlet end socket 8 and a second refrigerant outlet end socket 9 are arranged on the other side of the core 2.

The shape of the hot and humid air inlet end socket 1, the shape of the precooling air outlet end socket 6, the shape of the precooling air inlet end socket 7 and the shape of the cold and humid air outlet end socket 10 are all in a hemispherical shape.

The shape of the first refrigerant inlet end socket 4, the shape of the first refrigerant outlet end socket 5, the shape of the second refrigerant inlet end socket 8 and the shape of the second refrigerant outlet end socket 9 are all folded flat bottoms.

The hot and humid air inlet end socket 1 and the cold and humid air outlet end socket 10 are inserted into the first connecting pipe. The first connecting pipe of the hot and humid air inlet end socket 1 and the first connecting pipe of the cold and humid air outlet end socket 10 are parallel to each other and are not at the same side. The first adapter is connected with the first flange.

And the precooling air outlet end socket 6 and the precooling air inlet end socket 7 are inserted into the second connecting pipe. The second connecting pipe of the pre-cooling air outlet end socket 6 and the second connecting pipe of the pre-cooling air inlet end socket 7 are parallel to each other and are arranged at the same side.

The first refrigerant inlet end socket 4, the first refrigerant outlet end socket 5, the second refrigerant inlet end socket 8 and the second refrigerant outlet end socket 9 are all inserted into the refrigerant inlet joint.

Fig. 5 is the working principle diagram of the hot air channel of the present invention, fig. 6 is the working principle diagram of the dry air and the first refrigerant medium channel of the present invention, and fig. 7 is the working principle diagram of the dry air and the second refrigerant medium channel of the present invention. With reference to fig. 5, 6 and 7, the working principle of the present invention is as follows:

the damp and hot air firstly enters the upper part of the core 2, and the dry and cold air is introduced from the second connecting pipe of the precooling air inlet end socket 7 to precool the damp and hot air, so that the cold air with lower temperature is obtained. The cold quantity of the dry and cold air is absorbed by the damp and hot air and is discharged through the second connecting pipe of the precooling air outlet end socket 6. Cold air enters the lower part of the core 2, a first refrigerant is introduced from a joint of the first refrigerant inlet end socket 4, a second refrigerant is introduced from a joint of the second refrigerant inlet end socket 8, the first refrigerant and the second refrigerant further cool the cold air to obtain wet cold air with lower temperature, after cooling is completed, the first refrigerant is discharged from a joint of the first refrigerant outlet end socket 5, the second refrigerant is discharged from a joint of the second refrigerant outlet end socket 9, and the wet cold air is discharged from a first connecting pipe of the wet cold air outlet end socket 10.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. A pre-cooled evaporator, comprising: comprising a core (2); the core (2) comprises a plate bundle body module, the plate bundle body module comprises a plurality of heat exchange channels, and the plurality of heat exchange channels comprise a hot air channel, a dry air and first refrigerant medium channel and a dry air and second refrigerant medium channel; two ends of the core (2) are respectively provided with a hot and humid air inlet end socket (1) and a cold and humid air outlet end socket (10); a first refrigerant inlet end socket (4) and a first refrigerant outlet end socket (5) are arranged on one side of the core (2), and a precooled air outlet end socket (6), a precooled air inlet end socket (7), a second refrigerant inlet end socket (8) and a second refrigerant outlet end socket (9) are arranged on the other side of the core (2).

2. The pre-cooling evaporator of claim 1, wherein: the plate bundle module comprises a plurality of partition plates and a frame clamped between the partition plates, wherein a plurality of inner cavities which are sealed relative to each other and are used for a heat exchange medium between the hot and humid air inlet end socket (1) and the cold and humid air outlet end socket (10) to flow through are formed between the partition plates and the frame.

3. The pre-cooling evaporator of claim 1, wherein: and the two sides of the core (2) are symmetrically welded with the brackets (3).

4. The pre-cooling evaporator of claim 1, wherein: the hot and humid air inlet end socket (1) and the cold and humid air outlet end socket (10) are inserted into the first connecting pipe; the first connecting pipe of the hot and humid air inlet end socket (1) and the first connecting pipe of the cold and humid air outlet end socket (10) are parallel to each other and are not on the same side; the first connecting pipe is connected with the first flange.

5. The pre-cooling evaporator of claim 1, wherein: the precooling air outlet end socket (6) and the precooling air inlet end socket (7) are inserted into the second connecting pipe; and a second connecting pipe of the precooling air outlet end socket (6) and a second connecting pipe of the precooling air inlet end socket (7) are parallel to each other and are positioned at the same side.

6. The pre-cooling evaporator of claim 1, wherein: the first refrigerant inlet end socket (4), the first refrigerant outlet end socket (5), the second refrigerant inlet end socket (8) and the second refrigerant outlet end socket (9) are all inserted into refrigerant inlet joints.