CN215114055U - Low-noise evaporative cooling heat exchanger - Google Patents

Abstract

A low-noise evaporative cooling heat exchanger comprises a shell, wherein the interior of the shell is divided into six areas, namely a spraying water distribution area positioned at the upper part in the shell, a condenser placing area positioned at the bottom of the shell, a water collecting area positioned above the condenser placing area, a left filler area, a right filler area and a fan placing area positioned above the water collecting area; the fan placing area is positioned between the left filling area and the right filling area; the left filling area is separated into two areas, namely an upper left filling area and a lower left filling area, by a partition plate; the right filling area is separated into two areas, namely an upper right filling area and a lower right filling area, by a partition plate; the spraying device is arranged in a spraying and water distributing area at the upper part in the shell; the condenser is arranged in a condenser placing area at the bottom of the shell; the water collecting area above the condenser placing area is provided with the water collecting tank.

Description

Low-noise evaporative cooling heat exchanger

Technical Field

The application relates to the technical field of heat exchange refrigeration, in particular to a low-noise evaporative cooling heat exchanger.

Background

With the continuous improvement of the living standard and legal consciousness of people, the requirement for environmental noise is provided. The noise source of the existing evaporative cooling heat exchanger is mainly wind noise generated when a fan runs, and the currently adopted noise reduction technology mainly comprises two methods of controlling noise from a sound source and reducing noise from a noise transmission path. Noise is controlled from a sound source, direct sound (a noise source) of the evaporative cooling heat exchanger body can be directly reduced mainly by controlling the sound source, improving the process, modifying the mechanical structure, improving the precision and the like, so that control measures in a propagation path can be simplified, and relatively, the noise reduction mode has higher cost and relatively higher difficulty in technical attack and failure. The noise is reduced from the noise transmission way, various materials with good sound wave reflection performance are used for cutting off the path of sound wave transmitted outwards, the sound absorption coefficient is improved, the sound absorption quantity is increased, the reverberation is reduced, the noise can be effectively reduced, the noise is reduced from the conventional noise transmission way, the periphery of the evaporative cooling heat exchanger area is mostly adopted to establish a sound insulation wall, the method can achieve the effect of reducing the noise, but the noise reduction method is high in cost, influences exist on the circulating air inlet of the evaporative cooling heat exchanger and the air heat dissipation of the evaporative cooling heat exchanger, and the method cannot be popularized and implemented. In view of this, it is important to design and manufacture a low-noise evaporative cooling heat exchanger, and a quiet and comfortable environment.

Disclosure of Invention

An object of the utility model is to overcome the problem that above-mentioned prior art exists, and provide a low noise evaporative cooling heat exchanger, through the design of the inside filler of evaporative cooling heat exchanger and fan position, block the noise from the propagation approach of noise.

In order to achieve the above purpose, the technical scheme of the utility model is that: a low-noise evaporative cooling heat exchanger comprises a shell, wherein the interior of the shell is divided into six areas, namely a spraying water distribution area positioned at the upper part in the shell, a condenser placing area positioned at the bottom of the shell, a water collecting area positioned above the condenser placing area, a left filler area, a right filler area and a fan placing area positioned above the water collecting area;

the fan placing area is positioned between the left packing area and the right packing area, the fan is arranged in the middle of the fan placing area, and the high-pressure air area at the upper part and the low-pressure air area at the lower part of the fan are arranged;

the left filling area is separated into two areas, namely an upper left filling area and a lower left filling area, by a partition plate; the upper left filler area is provided with an upper left filler; a left lower filler is placed in the left lower filler area; the right filling area is separated into two areas, namely an upper right filling area and a lower right filling area, by a partition plate; the right upper filler area is provided with a right upper filler; a right lower filler is placed in the right lower filler area;

the spraying device is arranged in a spraying and water distributing area at the upper part in the shell; the condenser is arranged in a condenser placing area at the bottom of the shell; the water collecting area above the condenser placing area is provided with the water collecting tank;

the condenser is a shell-and-tube heat exchanger or a plate heat exchanger, a refrigerant outlet A is a working medium output port, a refrigerant inlet B is a working medium input port, a cooling water inlet C is connected with the water collecting tank, a cooling water outlet D is connected with the spraying device, and a spraying pump is arranged between the cooling water outlet D and the spraying device.

Furthermore, a water replenishing ball float valve is arranged in the water collecting tank.

Furthermore, the clapboard is provided with a gap for allowing circulating water to pass through.

Compared with the prior art, the utility model has the advantages of it is following: through the design of the internal filler of the evaporative cooling heat exchanger and the position of the fan, the noise is blocked from the transmission path of the noise, and the efficient work of the evaporative cooling heat exchanger can be ensured under the condition of effectively reducing the noise.

Drawings

Fig. 1 is a schematic structural diagram of the low-noise evaporative cooling heat exchanger of the present invention.

In the figure: 1. a housing; 21. the upper left filler; 22. left lower filler; 31. the upper right filler; 31. a right lower filler; 4. A partition plate; 5. a spraying device; 6. a fan placement area; 7. a fan; 8. a water collecting tank; 9. a spray pump; 10. a water replenishing ball float valve; 11. a condenser.

Detailed Description

The present invention is further illustrated by the following examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications and equivalents can be made to the technical solutions described in the foregoing examples or to some of the technical features thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be interpreted as limiting the present invention

Referring to fig. 1, the utility model relates to a low-noise evaporative cooling heat exchanger, which comprises a shell 1, a left filling area, a right filling area, a fan placing area 6, a spraying device 5, a fan 7, a water collecting tank 8, a spraying pump 9, a water-replenishing ball float valve 10 and a condenser 11; the interior of the shell 1 is divided into six areas, namely a spraying water distribution area positioned at the upper part in the shell 1, a condenser placing area positioned at the bottom of the shell 1, a water collecting area positioned above the condenser placing area, a left filler area, a right filler area and a fan placing area 6 positioned above the water collecting area; the inner walls of the shell 1 are all provided with sound attenuation materials.

The fan placing area 6 is located between the left packing area and the right packing area, the fan 7 is installed in the middle of the fan placing area 6, and the high-pressure air area on the upper portion of the fan 7 and the low-pressure air area on the lower portion of the fan 7 are located in the middle of the left packing area and the right packing area.

The left filling area is separated into two areas, namely an upper left filling area and a lower left filling area, by a partition plate 4; the upper left filler area is provided with an upper left filler 21; a left lower packing 22 is placed in the left lower packing area; the right filling area is separated into two areas, namely an upper right filling area and a lower right filling area, by a partition plate 4; the right upper filler area is provided with a right upper filler 31; the right under fill area has placed a right under fill 32. The partition plate 4 is provided with a gap which can allow circulating water flowing upwards and downwards from the filler at the upper part of the partition plate to pass through the partition plate 4 and enter the filler at the lower part of the partition plate 4; at this time, the gap on the partition plate 4 is filled with the circulating water, so that the wind on the upper part of the partition plate 4 cannot pass through the partition plate 4 to enter the lower part.

The spraying device 5 is arranged in a spraying and water distributing area at the upper part in the shell 1; the condenser 11 is arranged in a condenser placing area at the bottom of the shell 1, and the water collecting area above the condenser placing area is provided with the water collecting tank 8; a water replenishing ball float valve 10 is arranged in the water collecting tank 8.

The condenser 11 is a shell-and-tube heat exchanger or a plate heat exchanger, a refrigerant outlet A is a working medium output port, a refrigerant inlet B is a working medium input port, a cooling water inlet C is connected with the water collecting tank 8, a cooling water outlet D is connected with the spraying device 5, and a spraying pump 9 is arranged between the cooling water outlet D and the spraying device 5.

The system has three circulations, namely cooling water circulation, wind circulation and refrigeration working medium circulation;

the cooling water circulation loop comprises: the low-temperature cooling water exchanges heat with the refrigerating working medium in the condenser 11 and then the temperature rises, the spray pump 9 pumps the high-temperature cooling water out of the refrigerating working medium outlet D of the condenser 11 and sends the high-temperature cooling water into the spray device 5, the high-temperature cooling water is sprayed to the upper left filler 21 and the upper right filler 31 by the spray device 5 to be primarily cooled, the primarily cooled water respectively passes through the partition plate and enters the lower left filler 22 and the lower right filler 32 to be secondarily cooled, finally, the cooled water flows into the water collecting tank 8 and then enters the condenser 11 through the refrigerating working medium inlet C of the condenser 11 to be secondarily cooled for the refrigerating working medium. The circulation is repeated in such a way, so that the cooling water circulation is completed;

a wind circulation loop: the fan 7 is started, air carries out first heat exchange with water flow through the left lower filler 22 and the right lower filler 32 respectively, enters a low-pressure air area at the lower part of the fan 7, then enters a high-pressure air area at the upper part of the fan 7 through the fan 7, carries out second heat exchange with the water flow through the left upper filler 21 and the right upper filler 31 respectively in the high-pressure area, and finally is discharged to the outside of the shell 1; in the circulation, water flow naturally falls down by gravity and flows through the upper and lower fillers, and air horizontally passes through the fillers and meets the water flow at a right angle;

and (3) circulation of a refrigeration working medium: high-temperature high-pressure gaseous refrigerant enters the condenser 11 through the refrigerant inlet B of the condenser 11 and is cooled by low-temperature cooling water to become liquid refrigerant, and the liquid refrigerant is conveyed out through the refrigerant outlet A of the condenser 11, so that the circulation of the refrigerant is completed.

It should be noted that, for the sake of simplicity, the foregoing embodiments are all expressed as components or component combinations, but those skilled in the art should understand that the present application is not limited by the names of the described components, because according to the present application, some components can achieve the functions of the corresponding components described above and are within the protection scope of the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are preferred embodiments and that the components referred to are not necessarily required for the application.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.

In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims (3)

1. A low-noise evaporative cooling heat exchanger comprises a shell, and is characterized in that the interior of the shell is divided into six areas, namely a spraying water distribution area positioned at the upper part in the shell, a condenser placing area positioned at the bottom of the shell, a water collecting area positioned above the condenser placing area, a left filler area, a right filler area and a fan placing area positioned above the water collecting area;

the fan placing area is positioned between the left packing area and the right packing area, the fan is arranged in the middle of the fan placing area, and the high-pressure air area at the upper part and the low-pressure air area at the lower part of the fan are arranged;

the left filling area is separated into two areas, namely an upper left filling area and a lower left filling area, by a partition plate; the upper left filler area is provided with an upper left filler; a left lower filler is placed in the left lower filler area; the right filling area is separated into two areas, namely an upper right filling area and a lower right filling area, by a partition plate; the right upper filler area is provided with a right upper filler; a right lower filler is placed in the right lower filler area;

the spraying water distribution area is provided with a spraying device; the condenser placing area is provided with a condenser; the water collecting area is provided with a water collecting tank;

the condenser is a shell-and-tube heat exchanger or a plate heat exchanger, a refrigerant outlet A is a working medium output port, a refrigerant inlet B is a working medium input port, a cooling water inlet C is connected with the water collecting tank, a cooling water outlet D is connected with the spraying device, and a spraying pump is arranged between the cooling water outlet D and the spraying device.

2. A low noise evaporative cooling heat exchanger as defined in claim 1 wherein a water replenishment ball float valve is provided in said sump.

3. A low noise evaporative cooling heat exchanger as defined in claim 1 wherein said partition is provided with voids allowing the passage of circulating water.

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