CN213578833U - Open cooling tower and cooling device - Google Patents
Open cooling tower and cooling device Download PDFInfo
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- CN213578833U CN213578833U CN202020646179.9U CN202020646179U CN213578833U CN 213578833 U CN213578833 U CN 213578833U CN 202020646179 U CN202020646179 U CN 202020646179U CN 213578833 U CN213578833 U CN 213578833U
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- open cooling
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Abstract
The utility model relates to a cooling arrangement technical field provides open cooling tower and cooling device. An open cooling tower comprising: a housing; the heat exchanger is arranged in the shell, one end of the heat exchanger is provided with a liquid inlet, and the other end of the heat exchanger is provided with a liquid outlet; and the filler is arranged in the shell, is positioned below the heat exchanger and is used for cooling the liquid flowing out of the liquid outlet. The utility model discloses an open cooling tower is through setting up the heat exchanger in the casing to the heat exchanger is located the filler top, and then makes liquid in the middle of the heat exchanger can carry out abundant heat transfer with the outside air of heat exchanger, and the heat exchanger realizes the secondary with filler and cools down, guarantees this open cooling tower's cooling effect. Particularly in winter, the temperature of outdoor air is low, the heat exchange area between the outdoor air and liquid can be increased by arranging the heat exchanger, and the overall energy efficiency of the open cooling tower is improved.
Description
Technical Field
The utility model relates to a cooling arrangement technical field especially relates to open cooling tower and cooling device.
Background
Direct evaporative cooling refers to a large area of direct contact between air and water, and the temperature of the air and the water is reduced due to the evaporation of the water, so that the moisture content of the air is increased in the process, and the sensible heat of the air is converted into latent heat, so that the process is an adiabatic humidification process. The heat of the medium in the coil is removed through heat and moisture exchange between water and air, and the heat transfer process comprises sensible heat transfer and latent heat transfer. The direct evaporative cooling technology is utilized to cool the high-temperature water, and the method has important significance for reducing the energy consumption of an air conditioning system and saving energy. The problem that current direct evaporative cooling technique exists is that the unable make full use of natural energy carries out the cooling.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
One of the purposes of the utility model is that: the utility model provides an open cooling tower and cooling device, the unable make full use of natural energy who solves existence among the prior art carries out the refrigerated problem.
In order to achieve the object, the utility model provides an open cooling tower, include:
a housing;
the heat exchanger is arranged in the shell, one end of the heat exchanger is provided with a liquid inlet, and the other end of the heat exchanger is provided with a liquid outlet;
and the filler is arranged in the shell, is positioned below the heat exchanger and is used for cooling the liquid flowing out of the liquid outlet.
In one embodiment, further comprising:
the water distributor is arranged in the shell and positioned between the heat exchanger and the filler, and the water distributor is communicated with the liquid outlet and arranges the liquid flowing out of the liquid outlet in the filler.
In one embodiment, further comprising:
the first pipeline is communicated with the heat exchanger and the water distributor;
the second pipeline is used for communicating the heat exchanger with an external liquid return pipe;
and the first pipeline and the second pipeline are alternatively communicated.
In one embodiment, a common end of the first and second lines is provided with a three-way valve, or,
the first pipeline is provided with a first switch valve, the second pipeline is provided with a second switch valve, and the first switch valve and the second switch valve are selected to be opened.
In one embodiment, the housing is provided with an air inlet below the filler, an air outlet above the heat exchanger, and a fan at the air outlet.
In one embodiment, a liquid collection cavity is formed at the bottom of the shell, the liquid collection cavity is located below the air inlet, and the liquid collection cavity is communicated with an external liquid return pipe.
In one embodiment, the heat exchanger is a finned tube heat exchanger.
In order to achieve the purpose, the utility model provides a cooling device, which comprises the open cooling tower.
The technical scheme of the utility model has following advantage: the utility model discloses an open cooling tower is through setting up the heat exchanger in the casing to the heat exchanger is located the filler top, and then makes liquid in the middle of the heat exchanger can carry out abundant heat transfer with the outside air of heat exchanger, and the heat exchanger realizes the secondary with filler and cools down, guarantees this open cooling tower's cooling effect. Particularly in winter, the temperature of outdoor air is low, the heat exchange area between the outdoor air and liquid can be increased by arranging the heat exchanger, and the overall energy efficiency of the open cooling tower is improved.
In addition to the technical problems addressed by the present invention, the technical features of the constituent technical solutions, and the advantages brought by the technical features of these technical solutions, which are described above, other technical features of the present invention and the advantages brought by these technical features will be further explained with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an open cooling tower according to an embodiment of the present invention;
in the figure: 1: an air outlet; 2: a fan; 3: a heat exchanger; 4: a housing; 5: a water distributor; 6: a filler; 7: an air inlet; 8: a liquid return pipe; 9: a first on-off valve; 10: a second on-off valve; 11: a liquid inlet pipe.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this description, a schematic representation of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, unless otherwise specified, "a plurality", and "a plurality" mean two or more, and "a plurality", and "a plurality" mean one or more.
Referring to fig. 1, an open cooling tower according to an embodiment of the present invention includes a shell 4, a heat exchanger 3 and a filler 6. Wherein, the heat exchanger 3 is arranged in the shell 4, one end is provided with a liquid inlet, and the other end is provided with a liquid outlet; the filler 6 is arranged in the shell 4 and below the water distributor 5, and is used for cooling the liquid flowing out from the liquid outlet.
This kind of open cooling tower through set up heat exchanger 3 in casing 4 to heat exchanger 3 is located and packs 6 tops, and then makes liquid in the middle of the heat exchanger 3 can carry out abundant heat transfer with the outside air of heat exchanger 3, and heat exchanger 3 and packs 6 and realize the secondary cooling, guarantees this open cooling tower's cooling effect. Particularly in winter, the temperature of outdoor air is low, the heat exchanger 3 can increase the heat exchange area between the outdoor air and liquid, and the overall energy efficiency of the open cooling tower is improved.
In one embodiment, the open cooling tower further comprises:
and the water distributor 5 is arranged in the shell 4 and is positioned between the heat exchanger 3 and the filler 6, and the water distributor 5 is communicated with the liquid outlet and arranges the liquid flowing out of the liquid outlet in the filler 6.
Through the arrangement of the water distributor 5, the liquid flowing out of the heat exchanger 3 can be ensured to be more uniformly distributed on the filler 6. The specific structural form of the water distributor 5 is not limited, as long as the water quantity can be arranged on a certain working area according to a certain rule. Specifically, the corresponding water distributor 5 may be selected based on the shape of the packing 6. For example, the cross section of the filler 6 is rectangular, the pipe sections of the filler 6 may be arranged corresponding to the side length, diagonal line, etc. of the rectangle. Also for example, the cross-section of the packing 6 is circular, the tube sections of the packing 6 may be arranged to correspond to a plurality of different diameters of the circle.
In one embodiment, the open cooling tower further comprises:
the first pipeline is communicated with the heat exchanger 3 and the water distributor 5;
a second pipeline, which is used for communicating the heat exchanger 3 with an external liquid return pipe 8;
and the first pipeline and the second pipeline are alternatively communicated.
Through the arrangement of the first pipeline and the second pipeline, the open cooling tower has two working modes. In a first mode: the first pipeline is conducted, the second pipeline is disconnected, and then liquid entering the open cooling tower passes through the heat exchanger 3, the water distributor 5 and the filler 6 in sequence. In a second mode: the first pipeline is disconnected, the second pipeline is conducted, and then the liquid entering the open cooling tower is discharged out of the open cooling tower after passing through the heat exchanger 3.
For an open cooling tower, it comprises an external liquid inlet pipe 11 and liquid return pipe 8. The liquid inlet pipe 11 is used for introducing the heated liquid into the open cooling tower to cool the tower, and the liquid return pipe 8 is used for introducing the cooled liquid into the refrigeration requirement end to refrigerate the cooled liquid. For the heat exchanger 3, the liquid inlet is connected to the liquid inlet pipe 11, and the liquid outlet is connected to the liquid return pipe 8.
In one embodiment, a common end of the first and second lines is provided with a three-way valve. Furthermore, the on-off of the first pipeline and the second pipeline can be controlled by controlling the three-way valve. Besides the three-way valve, the switch valves can be respectively arranged on the first pipeline and the second pipeline to achieve the same control purpose. Specifically, a first switch valve 9 is arranged on the first pipeline, a second switch valve 10 is arranged on the second pipeline, and the first switch valve 9 and the second switch valve 10 are alternatively opened.
When the first switch valve 9 is opened and the second switch valve 10 is disconnected, the liquid outlet of the heat exchanger 3 is communicated with the liquid return pipe 8 through the water distributor 5 and the filler 6 in sequence. When the first switch valve 9 is turned off and the second switch valve 10 is opened, the liquid outlet of the heat exchanger 3 is communicated with the liquid return pipe 8 without passing through the water distributor 5 and the filler 6.
In one embodiment, the housing 4 is provided with an air inlet 7 at a position below the filler 6, the housing 4 is provided with an air outlet 1 above the heat exchanger 3, and a fan 2 is arranged at the air outlet 1. In this case, the air inlet 7 enters through the lower part of the packing 6, and heat exchange is performed between the packing 6 and the high-temperature liquid (the liquid is mostly water), so that the high-temperature air is discharged out of the housing 4 through the air outlet 1.
Wherein, air intake 7 can distribute around casing 4, and then guarantee the inside air volume of casing 4. In addition, except that setting up fan 2 at air outlet 1, can also additionally set up fan 2 on the air current route between air intake 7 and air outlet 1 in casing 4, and then form the second grade air inlet between two fan 2, reinforcing casing 4 interior air current circulation ability.
In one embodiment, a liquid collecting cavity is formed at the bottom of the housing 4, and is located below the air inlet 7, and the liquid collecting cavity is communicated with an external liquid return pipe 8. Wherein, can make air intake 7 be close to the collecting chamber as far as possible, and then make the liquid in the collecting chamber can take place the heat exchange with the low temperature air of air intake 7 department.
In one embodiment, a wind deflector may be provided at the wind inlet 7, which guides air to the liquid collection chamber, so that the low-temperature air entering through the wind inlet 7 exchanges heat with the liquid at the liquid collection chamber.
In one embodiment, the heat exchanger 3 is a finned tube heat exchanger 3 to ensure heat exchange efficiency. Of course, the specific form of the heat exchanger 3 is not limited. For example, the heat exchanger 3 may also be a plate heat exchanger 3, or may also be a tube-plate heat exchanger 3.
The refrigeration is carried out by the open cooling tower of fig. 1, which works according to the following principle:
in summer, the second switch valve 10 is closed, the first switch valve 9 is opened, the hot water is subjected to indirect heat exchange with the low-temperature high-humidity air in the finned tube heat exchanger 3, the temperature of the hot water is reduced, the temperature of the air is increased, and the hot water is discharged out of the shell 4 of the open cooling tower; the cooled hot water enters the water distributor 5 and is sprayed on the lower filler 6. Outdoor air enters the shell 4 from the lower air inlet 7, flows upwards through the filler 6, performs countercurrent heat and humidity transfer heat exchange with water arranged in the water distributor 5 in the filler 6, and reaches the position of the finned tube heat exchanger 3 after the air is cooled and humidified; the air after temperature reduction and humidification also reduces the temperature of the water in the water distributor 5 when passing through the water distributor 5.
The open cooling tower can make full use of outdoor air in summer, and realizes pre-cooling of hot water and secondary cooling of evaporative cooling.
In winter, the second switch valve 10 is opened, the first switch valve 9 is closed, hot water indirectly exchanges heat with outdoor air in the finned tube heat exchanger 3, and the cooled hot water is directly discharged out of the shell 4 through the second pipeline and does not pass through the water distributor 5.
The open cooling tower can utilize outdoor air to cool hot water in winter.
In conclusion, the open type cooling tower can fully utilize outdoor air energy and realize year-round cooling of hot water.
According to the utility model discloses the embodiment still provides a cooling device, including above-mentioned open cooling tower. In addition, the cooling device often further includes a compressor, an evaporator, a throttling device and other components, and these components and the above-mentioned open cooling tower can be communicated to form a refrigeration circuit, and the refrigeration circuit is used for refrigerating the refrigeration requirement end.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (7)
1. An open cooling tower, comprising:
a housing;
the heat exchanger is arranged in the shell, one end of the heat exchanger is provided with a liquid inlet, and the other end of the heat exchanger is provided with a liquid outlet;
the filler is arranged in the shell, is positioned below the heat exchanger and is used for cooling the liquid flowing out of the liquid outlet;
the water distributor is arranged in the shell and positioned between the heat exchanger and the filler, and the water distributor is communicated with the liquid outlet and arranges the liquid flowing out of the liquid outlet in the filler.
2. The open cooling tower of claim 1, further comprising:
the first pipeline is communicated with the heat exchanger and the water distributor;
the second pipeline is used for communicating the heat exchanger with an external liquid return pipe;
and the first pipeline and the second pipeline are alternatively communicated.
3. An open cooling tower according to claim 2, wherein the common end of the first and second lines is provided with a three-way valve, or,
the first pipeline is provided with a first switch valve, the second pipeline is provided with a second switch valve, and the first switch valve and the second switch valve are selected to be opened.
4. The open cooling tower according to any one of claims 1 to 3, wherein the housing is provided with an air inlet at a position below the filler, and an air outlet at a position above the heat exchanger, and a fan is provided at the air outlet.
5. The open cooling tower of claim 4, wherein a liquid collection cavity is formed at the bottom of the shell, the liquid collection cavity is located below the air inlet, and the liquid collection cavity is communicated with an external liquid return pipe.
6. An open cooling tower according to any one of claims 1 to 3, wherein the heat exchanger is a finned tube heat exchanger.
7. A cooling apparatus comprising an open cooling tower according to any one of claims 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922387654 | 2019-12-25 | ||
| CN2019223876545 | 2019-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213578833U true CN213578833U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020646179.9U Active CN213578833U (en) | 2019-12-25 | 2020-04-24 | Open cooling tower and cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213578833U (en) |
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2020
- 2020-04-24 CN CN202020646179.9U patent/CN213578833U/en active Active
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