CN216409366U

CN216409366U - Evaporator

Info

Publication number: CN216409366U
Application number: CN202120923471.5U
Authority: CN
Inventors: 高竹波; 洪忠
Original assignee: Jiangsu Even Green Technologies Co ltd
Current assignee: Jiangsu Even Green Technologies Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-04-29
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses an evaporator. This kind of evaporimeter includes: the heat exchange tube comprises a shell and a heat exchange tube, wherein the lower end of the shell is provided with a liquid inlet, and the upper end of the shell is provided with an air outlet; the heat exchange tubes are arranged in the shell, a plurality of heat exchange tubes are arranged at intervals, the heat exchange tubes form a multi-column structure, and a first flow channel is arranged between every two adjacent columns of heat exchange tubes. Through setting up runner one for gaseous state refrigerant that forms at the heat exchange tube outer wall diffuses to runner one in to through runner one back motion to gas vent department, this kind of structure has reduced gaseous state refrigerant and has adsorbed the probability in other heat exchange tube outer walls at the in-process of upward movement.

Description

Evaporator

Technical Field

The utility model relates to the technical field of evaporators.

Background

The evaporator is an important component in a refrigeration system and undertakes the work of cooling an external medium, the working principle is that a low-pressure liquid refrigerant is fused into the shell and is contacted with the outer wall of a heat exchange tube arranged in the shell to cool a (relatively) high-temperature medium in the heat exchange tube, the liquid refrigerant absorbs heat and is gasified and then is discharged into a compressor from the inside of the shell so as to carry out the next cooling operation, the heat exchange tubes in the conventional evaporator are usually arranged in a staggered mode, bubbles formed after the liquid refrigerant is gasified meet the heat exchange tube in the upward movement process, and the gaseous refrigerant can form small bubbles to be adsorbed on the heat exchange tubes, so that the working efficiency of the evaporator is reduced, and the energy consumption ratio of the refrigeration system is increased.

SUMMERY OF THE UTILITY MODEL

The application improves the work efficiency of the evaporator by providing the evaporator.

The embodiment of the application provides an evaporimeter, includes:

the lower end of the shell is provided with a liquid inlet, and the upper end of the shell is provided with an air outlet;

the heat exchange tubes are arranged in the shell and are arranged at intervals, the heat exchange tubes form a multi-column structure, and a first flow channel is arranged between every two adjacent heat exchange tubes.

On the basis of the technical scheme, the utility model can be further improved as follows:

further: the method comprises the following steps: the guide plate is arranged below the heat exchange tube and connected with the shell, and a guide hole group is formed in the guide plate. The beneficial effect of this step: the flow direction of the liquid refrigerant is guided by the guide plate, so that the liquid refrigerant can be uniformly diffused into the guide hole group conveniently.

Further: the heat exchange tube also forms a first heat exchange area and a second heat exchange area of a left-right structure, a second flow channel is arranged between the first heat exchange area and the second heat exchange area, and the flow guide hole group comprises: the hole I and the hole II are arranged correspondingly to the heat exchange area I and the heat exchange area II, and the hole II is arranged correspondingly to the flow channel II.

Further: the width of the second flow channel is larger than that of the first flow channel. The beneficial effect of this step: through the second runner that sets up the broad, be convenient for liquid refrigerant move to between heat transfer district one and the heat transfer district two for liquid refrigerant moves to the heat transfer district one and the heat transfer district two after towards both sides diffusion again, makes liquid refrigerant can move to more distant place, is convenient for carry out the heat exchange operation to the heat exchange tube of more distant place, further improves heat exchange efficiency.

Further: the second holes are a plurality of strip-shaped through holes which are arranged at intervals in sequence, and the first holes are round holes.

Further: the guide hole group is not arranged right above the liquid inlet. The beneficial effect of this step: thereby preventing the refrigerant from directly flowing away through the guide hole group right above the liquid inlet.

Further: the guide plate comprises a first guide section and a second guide section, the first guide section is arranged towards the first heat exchange area, the second guide section is arranged towards the second heat exchange area, and a plurality of first holes are formed in the first guide section and the second guide section. The beneficial effect of this step: refrigerant is uniformly distributed through the first flow guide section and the second flow guide section.

Further: the guide plate is inverted V-shaped, the first guide section and the second guide section are two V-shaped edges of the guide plate respectively, and the second hole is formed in the V-shaped tip of the guide plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the first flow channel, the gaseous refrigerant formed on the outer wall of the heat exchange tube is diffused into the first flow channel and moves to the air outlet after passing through the first flow channel, and the structure reduces the probability that the gaseous refrigerant is adsorbed on the outer walls of other heat exchange tubes in the upward movement process;

2. through the arrangement of the second flow channel, the liquid refrigerant can be diffused to the heat exchange tubes at two sides after passing through the second flow channel, so that the heat exchange operation of the heat exchange tube at the upper end and the refrigerant with lower temperature directly gushing from the liquid inlet is facilitated, and the efficiency of the heat exchange operation is improved;

3. the arrangement of the first hole is convenient for uniformly dispersing the refrigerant towards the first heat exchange area and the second heat exchange area, and the arrangement of the second hole is convenient for guiding part of the refrigerant to move into the second flow channel;

4. the guide hole group is not arranged right above the liquid inlet, so that the liquid refrigerant can be more uniformly dispersed into the guide hole group.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a schematic view of a baffle configuration.

Wherein,

1, a shell, a liquid inlet 101, an exhaust port 102, a first flow passage 103, a first heat exchange area 104, a second heat exchange area 105 and a second flow passage 106;

2, exchanging a heat pipe;

3, a guide plate, a first 301 guide section and a second 302 guide section;

4 guide hole groups, 401 holes I and 402 holes II.

Detailed Description

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; the mechanical connection can be realized by selecting a proper connection mode in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or an electrical connection, transmitting energy or signals by electricity; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in fig. 1 and 2, an evaporator includes: the heat exchanger comprises a shell 1 and a heat exchange tube 2, wherein the shell 1 is a columnar structure with an axis arranged along the horizontal direction, the lower end of the shell 1 is provided with a liquid inlet 101, the liquid inlet 101 is used for introducing liquid refrigerant, the upper end of the shell 1 is provided with an exhaust port 102, the exhaust port 102 is used for exhausting gaseous refrigerant, the heat exchange tube 2 is arranged in the shell 1, the heat exchange tubes 2 are used for conveying a medium to be cooled, a plurality of heat exchange tubes 2 are arranged at intervals, the heat exchange tubes 2 are arranged along the horizontal direction, the horizontal direction and the vertical direction are both provided with a plurality of heat exchange tubes 2 which are mutually spaced, a multi-column structure is formed between the heat exchange tubes 2, the axes of the heat exchange tubes 2 in the same column are positioned in the same vertical plane, two adjacent columns of heat exchange tubes 2 are mutually spaced, a gap between the two adjacent columns of heat exchange tubes 2 forms a first flow channel 103, and the first flow channel 103 is used for allowing a refrigerant gasified on the surface of the heat exchange tube 2 to pass through.

As shown in fig. 1, the heat exchange tube 2 further forms a first heat exchange area 104 and a second heat exchange area 105 of a left-right structure, a second flow channel 106 is arranged between the first heat exchange area 104 and the second heat exchange area 105, the width of the second flow channel 106 is greater than that of the first flow channel 103, specifically, the first heat exchange area 104 and the second heat exchange area 105 are two structures symmetrical to each other along a vertical plane, and the vertical plane passes through an axis of the liquid inlet 101.

As shown in fig. 1 and 3, the evaporator further comprises: guide plate 3, guide plate 3 sets up in the below of heat exchange tube 2, and the both sides of guide plate 3 weld in 1 inner wall of casing, and guide plate 3 is located the top of inlet 101 and extends along 1 length direction of casing, has seted up water conservancy diversion punch combination 4 on the guide plate 3, and water conservancy diversion punch combination 4 is just to heat exchange tube 2 and runner two 106, and water conservancy diversion punch combination 4 includes: the first hole 401 and the second hole 402 are arranged, the first hole 401 is arranged corresponding to the first heat exchange area 104 and the second heat exchange area 105, and the second hole 402 is arranged corresponding to the second flow channel 106.

As shown in fig. 1, the diversion plate 3 is an inverted V-shape, i.e. the tip of the V-shaped structure is disposed upward, two sides of the V-shaped structure are a first diversion section 301 and a second diversion section 302, respectively, the first diversion section 301 is disposed toward the first heat exchange area 104, the second diversion section 302 is disposed toward the second heat exchange area 105, a plurality of first holes 401 are disposed on the first diversion section 301 and the second diversion section 302, the first holes 401 are round holes, the second holes 402 are disposed at the tip of the V-shaped structure of the diversion plate 3, the second holes 402 have a plurality of strip-shaped through holes which are sequentially spaced from each other, the second holes 402 extend along the length direction of the V-shaped tip, no diversion hole group 4 is disposed right above the liquid inlet 101, thereby preventing the liquid refrigerant from directly flowing out from the diversion hole group 4 right above, this kind of structure makes liquid refrigerant can be along the lower surface of guide plate 3 both ends diffusion towards guide plate 3 for liquid refrigerant can be more evenly distributed to in the guide hole group 4.

When the evaporator is used, liquid refrigerants are introduced from the liquid inlet 101, are uniformly dispersed through the first hole 401 and move towards the first heat exchange region 104 and the second heat exchange region 105, are guided to the space between the first heat exchange region 104 and the second heat exchange region 105 through the second hole 402, and are diffused towards the first heat exchange region 104 and the second heat exchange region 105 on two sides respectively, so that the cooling operation of media in the heat exchange tube 2 is realized.

The evaporator has the following advantages:

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. An evaporator, comprising:

2. An evaporator according to claim 1, comprising: the guide plate is arranged below the heat exchange tube and connected with the shell, and a guide hole group is formed in the guide plate.

3. The evaporator as recited in claim 2, wherein said heat exchange tube further forms a first heat exchange area and a second heat exchange area of a left-right structure, a second flow channel is disposed between said first heat exchange area and said second heat exchange area, and said flow guiding hole set comprises: the hole I and the hole II are arranged correspondingly to the heat exchange area I and the heat exchange area II, and the hole II is arranged correspondingly to the flow channel II.

4. An evaporator according to claim 3 wherein the width of the second flow passage is greater than the width of the first flow passage.

5. An evaporator according to claim 3 wherein the second holes are a plurality of elongated through holes sequentially spaced from each other, and the first holes are round holes.

6. The evaporator of claim 3, wherein the set of flow guide holes are not provided directly above the liquid inlet.

7. The evaporator as recited in claim 3, wherein said baffle comprises a first flow guiding section and a second flow guiding section, said first flow guiding section is disposed toward said first heat exchange region, said second flow guiding section is disposed toward said second heat exchange region, and said first flow guiding section and said second flow guiding section are provided with a plurality of said first holes.

8. The evaporator of claim 7, wherein the baffle is in an inverted V-shape, the first flow guide section and the second flow guide section are two V-shaped edges of the baffle, respectively, and the second hole is opened at a V-shaped tip of the baffle.