Evaporative condenser

Abstract

The utility model discloses an evaporative condenser which comprises a condenser box, a plurality of rows of condensing coils are arranged in the condenser box, the upper ports of the condensing coils are jointly connected with an output pipe, the bottom ports of the condensing coils are jointly connected with an input pipe, and the output pipe and the input pipe penetrate through the side wall of the condenser box and extend to the outside. A plurality of water film plates are arranged on the horizontal section of the condensing coil pipe in a surrounding mode at equal intervals, a water box is installed at the bottom of the condenser box, a water pump is arranged in the water box, the output end of the water pump is connected with a water pipe, the water pipe is vertically upward in the condenser box and connected with a spraying box, and the spraying box is located over the condensing coil pipe. According to the condenser box, the water film plates distributed at equal intervals are arranged on the surface of the condensing coil, so that the surface area of the condensing coil is increased to a certain extent, the condensing coil can make contact with sprayed water mist in a larger area when the condenser box is used, heat in the condensing coil is rapidly absorbed, and the heat exchange efficiency of the condenser box is improved. And the temperature of condensate in the coil pipe is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of condensers, in particular to an evaporative condenser. Background Art

[0002] In traditional evaporative condenser systems, the evaporative condensing coil, as a key part of the refrigeration cycle, plays a vital role in the heat exchange process. However, the surface area of ​​traditional condensing coils is relatively small, resulting in limited heat exchange area with the surrounding air, which limits the heat transfer rate and thus affects the efficiency of the entire condensation process.

[0003] Chinese patent CN117287873A discloses an evaporative condenser, which has a larger surface area through an elliptical condensing coil compared to a traditional round coil, thereby providing better heat dissipation efficiency, helping to cool the condensing agent faster and improve refrigeration performance. The presence of a prolonged metal sheet can further increase the surface area of ​​the condensing coil, further improving the heat dissipation efficiency. This helps to maintain stable operation of the system under high load conditions.

[0004] The existing steps implemented to improve the heat absorption efficiency are to directly or indirectly increase the surface area of ​​the coil so that the coil can fully contact with the water mist. However, this method will increase wind resistance, resulting in obstruction of air circulation in the evaporative condenser, causing the steam generated by the water mist to be unable to be discharged in time, thereby causing the heat to be released back into the evaporative condenser. Utility Model Content

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] An evaporative condenser comprises a condenser box, in which a plurality of rows of condensing coils are built, upper ports of the condensing coils are commonly connected to an output pipe, and bottom ports of the condensing coils are commonly connected to an input pipe, both the output pipe and the input pipe extend through the side wall of the condenser box to the outside, a plurality of water film plates are equidistantly arranged in a surrounding manner on a horizontal section of the condensing coil, a water box is installed at the bottom of the condenser box, a water pump is built in the water box, an output end of the water pump is connected to a water pipe, the water pipe extends vertically upward in the condenser box and is connected to a spray box, and the spray box is located directly above the condensing coil.

[0007] The cooling water in the water box is pumped to the spray box through a water pump, and then atomized in the spray box and falls down to the condensing coil to absorb heat and cool down. A plurality of through holes are evenly opened on the water film plate, and the atomized water condenses on the water film plate to form a water film in the holes, and the surface area of ​​the water film is used to accelerate heat absorption.

[0008] A plurality of ventilation holes are equidistantly provided on two opposite surfaces of the condenser box, and a plurality of fans are installed on the upper surface of the condenser box. The fans are located directly above the spray box, and the wind direction of the fans faces upward. When the fans are started, the air in the condenser box is drawn out, and the outside air is guided into the condenser box through the ventilation holes, so that the air flow inside the condenser box accelerates the heat dissipation.

[0009] A water collecting tray is integrally connected to the upper surface of the spray box, and the size of the water collecting tray is equal to that of the spray box. The area of ​​the water collecting tray is greater than the sum of the areas of the multiple fans.

[0010] The area of ​​the water box located at the bottom of the condenser box is smaller than the area of ​​the bottom of the condenser box, and the upper surface of the water box is integrally connected with a flange, and screw holes are opened on the corners of the flange. The water box fits with the bottom of the condenser box using the flange, and is fixed to the bottom of the condenser box by assembling screws and screw holes.

[0011] The installation position of the condensing coil in the condenser box is located above the ventilation hole, and there is a certain distance between the end of the condensing coil and the uppermost ventilation hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The present application increases the surface area of ​​the condensing coil to a certain extent by arranging a plurality of equidistantly distributed water film plates on the surface of the condensing coil, so that the condensing coil can be in contact with the sprayed water mist over a larger area when the condenser box is in use, thereby quickly absorbing the heat inside the condensing coil and reducing the temperature of the condensate in the coil. Compared with the traditional evaporative condenser, the solution in the technology of the present application has higher heat dissipation efficiency and faster heat dissipation speed, and can absorb most of the heat of the condensate in a short time, thereby reducing the burden on the compressor.

[0014] (2) Furthermore, the present application evenly opens holes on the water film plate used to expand the surface area of ​​the condensing coil. When the spray mechanism sprays water mist, the water mist adheres to the water film plate and gradually condenses and gathers. When it flows downward through the holes of the water film plate, a water film is formed due to the tension of the water. Since evaporation only occurs on the surface, the evaporation rate of the water film after absorbing heat is higher than that of the water droplets condensed on the water film plate to a certain extent. At the same time, the water template also increases its surface area to a certain extent due to the holes, thereby making the heat dissipation effect better.

[0015] (3) Furthermore, although the evaporative condenser in the present application is not exactly the same as the condenser in the prior art in structure, its basic principle is similar. Therefore, the functions of the evaporative condenser in the prior art are all available in the present application. The difference between the present application and the evaporative condenser in the prior art is that, on the basis of increasing the surface area of ​​the condensing coil, the water spray heat absorption is fully utilized to absorb the heat inside the condenser. By opening holes in the water film plate, a water film is formed when the water flows through the holes, which improves the efficiency of spray cooling to a certain extent and reduces the water loss during spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of the condenser.

[0017] Figure 2 This is the internal structure diagram of the condenser.

[0018] Figure 3 This is the structural diagram of the evaporation assembly inside the condenser.

[0019] Figure 4 This is a cross-sectional view of the spray mechanism.

[0020] Figure 5 This is a cross-sectional view of the condensing coil.

[0021] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0022] 1. Condenser box; 11. Ventilation hole; 12. Fan; 13. Water box; 2. Condensing coil; 21. Water film plate; 22. Output pipe; 23. Input pipe; 3. Water pump; 31. Water pipe; 32. Spray box; 33. Water collection tray. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0026] See also Figure 1 , Figure 2 as well as Figure 4 2 is a schematic diagram of the overall structure of the evaporative condenser in this embodiment, including a condenser box 1, in which multiple rows of condensing coils 2 are built-in, the upper ports of the condensing coils 2 are commonly connected to an output pipe 22, and the bottom ports of the condensing coils 2 are commonly connected to an input pipe 23, the output pipe 22 and the input pipe 23 both penetrate the side wall of the condenser box 1 and extend to the outside, a water box 13 is installed at the bottom of the condenser box 1, the water box 13 has a built-in water pump 3, the output end of the water pump 3 is connected to a water pipe 31, the water pipe 31 is vertically upward in the condenser box 1 and is connected to a spray box 32, the spray box 32 is located directly above the condensing coils 2, and the high-temperature and high-pressure condensate after absorbing heat enters each condensing coil 2 through the input pipe 23. When the high-temperature and high-pressure condensate is in the condensing coil 2, the cooling water in the water box 13 is pumped to the spray box 32 through the water pump 3, and then atomized by the spray box 32 and falls downward to the condensing coil 2 to absorb heat and cool down.

[0027] See also Figure 3 and Figure 5 3 is a schematic diagram of the structure of the evaporation component in this embodiment. In this embodiment, a plurality of water film plates 21 are equidistantly arranged in a surrounding manner on the horizontal section of the condensing coil 2. The water film plates 21 increase the surface area of ​​the condensing coil 2 to a certain extent, so that when the condenser box 1 is in use, the internal condensing coil 2 can be in contact with the water mist sprayed by the spray box 32 over a larger area, thereby quickly absorbing the internal heat of the condensing coil 2 and reducing the temperature of the condensate in the condensing coil 2. Furthermore, a plurality of through holes are evenly arranged on the water film plate 21. When the spray box 32 sprays water mist, the water mist adheres to the water film plate 21 and gradually condenses and converges. When the water flows downward through the holes of the water film plate 21, a water film is formed in the holes due to the tension of the water. Since evaporation only occurs on the surface, the evaporation rate of the water film after absorbing heat is higher than that of the water droplets condensed on the water film plate 21 to a certain extent. At the same time, the surface area of ​​the water film plate 21 is also increased to a certain extent due to the holes, thereby achieving better heat dissipation effect.

[0028] See also Figure 1 and Figure 2Schematic diagram of the air guide structure in this embodiment. In this embodiment, a plurality of ventilation holes 11 are equidistantly provided on two opposite surfaces of the condenser box 1. A plurality of fans 12 are mounted on the upper surface of the condenser box 1. The fans 12 are located directly above the spray box 32. The wind direction of the fans 12 faces upward. When the fans 12 are started, the air in the condenser box 1 is drawn out, and the outside air is guided into the condenser box 1 through the ventilation holes 11 and flows from bottom to top in the condenser box 1. During the air flow, on the one hand, the steam formed after absorbing heat is brought out, thereby preventing the steam from releasing heat into the condenser box 1 again. On the other hand, when the wind directly acts on the condensation coil 2 and the water film plate 21, a part of the heat is directly taken away. At the same time, the flow of air can also accelerate the evaporation and heat absorption of the water film to a certain extent.

[0029] See also Figure 2 , Figure 3 and Figure 4 Schematic diagram of the internal assembly structure of the evaporative condenser in this embodiment. Since the fan 12 draws the air in the condenser box 1 outward, and the air contains a large amount of steam, the steam will condense into water droplets when it contacts the fan 12 bracket. Since the fan 12 is directly installed outside the condenser box 1, the external dust will adhere to the fan 12. At this time, the water droplets condensed by the steam will mix with the dust. If the water droplets fall into the water box 13 at the bottom of the condenser box 1, the water box 13 will be The mud content of the reclaimed water increases, so when the water pump 3 is pumping, the mud and sand will be sent into the water pipe 31 and the spray box 32, causing the water pipe 31 and the spray box 32 to be blocked. Therefore, in this embodiment, a water collecting pan 33 is integrally connected to the upper surface of the spray box 32, and the size of the water collecting pan 33 is equal to that of the spray box 32. The area of ​​the water collecting pan 33 is larger than the sum of the areas of the multiple fans 12. The water collecting pan 33 is used to receive the muddy water droplets dripping from the fan 12 frame. In the later stage, as long as the water collecting pan 33 is regularly cleaned, the water collecting pan 33 will be 3 is cleaned and the internal mud and sand are shoveled away; further, in this embodiment, the area of ​​the water box 13 located at the bottom of the condenser box 1 is designed to be smaller than the area of ​​the bottom of the condenser box 1, so that the water for spraying is deeper in the water box 13, preventing the water pump 3 from being exposed to the water surface and causing the disadvantage of burning the machine, and at the same time, the upper surface of the water box 13 is integrally connected with a flange, and screw holes are opened on the corners of the flange. The water box 13 is fitted with the bottom of the condenser box 1 by using the flange, and the water box 13 is fixed to the bottom of the condenser box 1 by screws and screw holes; further, in order to prevent the water mist generated by the spray from gathering on the condensing coil 2 to form water droplets splashing outward from the ventilation hole 11, in this embodiment, the installation position of the condensing coil 2 in the condenser box 1 is located above the ventilation hole 11, and the end of the condensing coil 2 and the uppermost ventilation hole 11 are at a certain distance, so that the water droplets are away from the ventilation hole 11 during the dripping process, effectively reducing the phenomenon of water droplets splashing out of the device through the ventilation hole 11.

[0030] To sum up: although the evaporative condenser in the present application is not exactly the same as the condenser structure in the prior art, its basic principles are similar. Therefore, the functions of the evaporative condenser in the prior art are all available in the present application. The difference between the present application and the evaporative condenser in the prior art is that a water film plate 21 is used to increase the surface area of ​​the condensing coil 2, thereby improving the heat dissipation efficiency, and then holes are opened on the water film plate 21, so that a water film is formed when water flows through the holes, which improves the efficiency of spray cooling to a certain extent and reduces the water loss during spraying.

[0031] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An evaporative condenser, comprising a condenser box (1), wherein a plurality of rows of condensing coils (2) are built in the condenser box (1), the upper ends of the condensing coils (2) are commonly connected to an output pipe (22), the bottom ends of the condensing coils (2) are commonly connected to an input pipe (23), the output pipe (22) and the input pipe (23) both penetrate the side wall of the condenser box (1) and extend to the outside, Features: A plurality of water film plates (21) are equidistantly arranged in a surrounding manner on a horizontal section of the condensing coil (2), and a plurality of through holes are evenly arranged on the water film plates (21). A water box (13) is installed at the bottom of the condenser box (1), and a water pump (3) is built into the water box (13). The output end of the water pump (3) is connected to a water pipe (31), and the water pipe (31) is vertically upward in the condenser box (1) and is connected to a spray box (32). The spray box (32) is located directly above the condensing coil (2).

2. An evaporative condenser according to claim 1, characterized in that: The cooling water in the water box (13) is pumped to the spray box (32) by the water pump (3) and then atomized by the spray box (32) and falls downward onto the condensing coil (2) to absorb heat and cool down. The atomized water condenses on the water film plate (21) to form a water film in the holes, and the surface area of ​​the water film is used to accelerate heat absorption.

3. An evaporative condenser according to claim 1, characterized in that: A plurality of ventilation holes (11) are equidistantly provided on two opposite surfaces of the condenser box (1), and a plurality of fans (12) are mounted on the upper surface of the condenser box (1). The fans (12) are located directly above the spray box (32), and the wind direction of the fans (12) is upward. When the fans (12) are started, the air in the condenser box (1) is drawn out, and the outside air is guided into the condenser box (1) through the ventilation holes (11), so that the air flow inside the condenser box (1) accelerates the heat dissipation.

4. An evaporative condenser according to claim 3, characterized in that: A water collecting tray (33) is integrally connected to the upper surface of the spray box (32), and the size of the water collecting tray (33) is equal to that of the spray box (32), and the area of ​​the water collecting tray (33) is greater than the sum of the areas of the multiple fans (12).

5. The evaporative condenser according to claim 1, characterized in that: The area of ​​the water box (13) located at the bottom of the condenser box (1) is smaller than the area of ​​the bottom of the condenser box (1), and the upper surface of the water box (13) is integrally connected with a flange, and screw holes are provided at the corners of the flange. The water box (13) is fitted with the bottom of the condenser box (1) by means of the flange, and the water box (13) is fixed to the bottom of the condenser box (1) by means of screws and screw holes.

6. The evaporative condenser according to claim 3, characterized in that: The installation position of the condensing coil (2) in the condenser box (1) is located above the ventilation hole (11), and there is a certain distance between the end of the condensing coil (2) and the uppermost ventilation hole (11).

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