Circulating spraying system and cooling tower comprising same

Abstract

The invention belongs to the technical field of cooling towers, and particularly relates to a circulating spraying system and a cooling tower comprising the same, the circulating spraying system comprises a water pipe, a water tank arranged below the water pipe; the pressure control assembly is arranged in the water tank and comprises a sealing block, a connecting ring is arranged on the outer surface of the sealing block, and a connecting hole is formed in the lower surface of the connecting ring. During use, the water pump is started to feed water in the water tank into the atomizing nozzles through the water conveying pipe and the flow dividing pipe. Water flow firstly makes contact with the flow guide strips, impacts the flow guide pieces after drainage and drives the connecting plate and the transmission rod to rotate. The transmission rod penetrates through the first linear bearing and is matched with the second linear bearing to drive the cleaning support to rotate, the first spring buffers, the second spring pushes the cleaning support to enable the cleaning brush to be attached to the inner wall of the nozzle, and the inner wall is cleaned rotationally. After passing through the kinetic energy conversion assembly, the water flow is atomized and sprayed out through the spray orifice plate. The flexible nanofiber brush can remove dirt to avoid blockage, the inner wall is not damaged, and uniform atomization is guaranteed.

Description

Technical Field

[0001] This invention belongs to the field of cooling tower technology, specifically relating to a circulating spray system and a cooling tower containing the system. Background Technology

[0002] The circulating spray system replenishes the water lost due to evaporation, drift, or sewage discharge automatically or manually, maintaining the water level balance of the cooling tower's circulating water system. The replenished water must meet the water quality requirements.

[0003] In the existing technology, the atomizing device and nozzle structure of the circulating spray system are simple. However, after long-term use, impurities in the water accumulate inside the nozzle, affecting the atomization effect and thus having defects. Summary of the Invention

[0004] To address the problems mentioned in the background section, this invention provides a circulating spray system and a cooling tower containing the system, which features flexible nanofiber brushes that can remove dirt and prevent clogging without damaging the inner wall, ensuring uniform atomization.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a circulating spray system, comprising a water supply pipe, a water pump connected to the lower end of the water supply pipe, multiple branch pipes connected to the outer surface of the water supply pipe, multiple atomizing nozzles connected to the outer surface of each of the multiple branch pipes, a nozzle fixedly connected to one end of each of the multiple atomizing nozzles, a spray orifice plate embedded inside each of the multiple nozzles, and a water tank located below the multiple branch pipes; characterized in that the circulating spray system further comprises: A cleaning component, disposed inside the atomizing nozzle, includes: a cleaning bracket, wherein a cleaning brush is provided on one side surface of the cleaning bracket; The kinetic energy conversion component is located inside the atomizing nozzle and includes: a connecting plate, on the outer surface of which multiple guide vanes are fixedly connected at equal intervals, and a transmission rod is fixedly connected to the lower surface of the support plate; The connecting plate and multiple guide vanes transmit the kinetic energy of the water flow to the cleaning bracket via the transmission rod, causing the cleaning bracket to rotate and the cleaning brush to rub against the inner wall of the nozzle.

[0006] As a preferred embodiment of the cooling tower equipment of the present invention, the cleaning component further includes: Linear bearing 2 is embedded at one end of the cleaning bracket, and its inner wall surface is slidably sleeved on the outer surface of the transmission rod.

[0007] As a preferred embodiment of the cooling tower equipment of the present invention, the kinetic energy conversion component further includes: A support plate is fixed inside the atomizing nozzle; Linear bearing 1 is rotatably connected to the upper surface of the support plate, and its inner wall surface is fitted onto the outer surface of the transmission rod.

[0008] As the cooling tower equipment of the present application is preferred, the kinetic energy conversion assembly further comprises: spring one, fixed on the upper surface of the linear bearing one; spring two, fixed on the upper surface of the cleaning bracket; limiting plate, fixed on the lower end of the transmission rod.

[0009] As the cooling tower equipment of the present application is preferred, the kinetic energy conversion assembly further comprises: flow guide strip, provided with a plurality of, fixedly connected in the atomizing nozzle.

[0010] As the cooling tower equipment of the present application is preferred, a plurality of the flow guide piece is equidistantly distributed, and one end of a plurality of the flow guide piece is sleeved with a connecting ring.

[0011] As the cooling tower equipment of the present application is preferred, a cooling tower comprising a circulating spray system further comprises: a shell, the inside of the shell is fixedly connected with a heat exchanger, the output end of the heat exchanger and the output end penetrate through the outer surface of the shell.

[0012] As the cooling tower equipment of the present application is preferred, the outer surface of the shell is embedded with two protective nets, and the two protective nets are opposite surfaces.

[0013] As the cooling tower equipment of the present application is preferred, the upper surface of the shell is provided with a fan in communication, and the rear surface of the shell is fixedly connected with a back plate.

[0014] As the cooling tower equipment of the present application is preferred, the inner wall surface of the shell is sleeved on the outer surface of the water tank.

[0015] Compared with the prior art, the present application has the following advantages: 1. In the present application, when in use, the water pump is started to send the water in the water tank into the atomizing nozzle through the water delivery pipe and the shunt pipe. The water flow first contacts the flow guide strip, and after being guided, it impacts the flow guide piece, driving the connecting plate and the transmission rod to rotate. The transmission rod passes through the linear bearing one, and cooperates with the linear bearing two to drive the cleaning bracket to rotate, and the spring one buffers and dampens, and the spring two pushes the cleaning bracket to make the cleaning brush fit the inner wall of the nozzle, and rotates to clean the inner wall. After the water flow passes through the kinetic energy conversion assembly, it is atomized and sprayed through the spray hole plate, and the flexible nanometer fiber brush can remove dirt to avoid blockage, and also does not damage the inner wall, ensuring uniform atomization.

[0016] 2. In the present application, when the cooling tower is running, the circulating spray system is started, the water pump sends the water in the water tank to each atomizing nozzle through the water delivery pipe and the shunt pipe, and the atomized water is sprayed out. At the same time, the fan is started to introduce air into the shell, and the atomized water droplets are in full contact with the air to exchange heat and warm up. The heat exchanger in the shell can introduce the medium to be cooled, and the medium is cooled synchronously when the water droplets exchange heat with the air. The fan continuously drives the air flow, discharges the hot and humid air and introduces fresh cold air, enhancing the cooling effect. The back plate seals and protects the back of the cooling tower, and the shell provides a stable installation position for the water tank. The water tank collects the spray water to realize recycling. Atomized water spray increases the contact area of water and air, and cooperates with air circulation to make heat exchange more sufficient, greatly improving the cooling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and are used to explain the present application, and do not constitute a limitation on the present application. In the drawings: Figure 1 It is a whole three-dimensional structure schematic diagram of a circulating spray system and a cooling tower comprising the system according to the present application; Figure 2 It is a sectional three-dimensional structure schematic diagram of a circulating spray system and a cooling tower comprising the system according to the present application; Figure 3 It is a three-dimensional structure schematic diagram of a circulating spray system according to the present application; Figure 4 It is a sectional three-dimensional structure schematic diagram of an atomizing nozzle of a circulating spray system according to the present application Figure 5 It is a three-dimensional structure schematic diagram of a support plate according to the present application; Figure 6 It is a three-dimensional structure schematic diagram of a cleaning brush according to the present application; Figure 7 It is a sectional three-dimensional structure schematic diagram of a nozzle of a circulating spray system according to the present application; Figure 8 It is a structure schematic diagram of an atomizing nozzle according to the present application; In the drawings: 1, shell; 2, heat exchanger; 3, fan; 4, protective net; 5, back plate; 6, water tank; 7, spray equipment; 8, water tank; 9, shunt pipe; 10, atomizing nozzle; 11, nozzle; 12, spray hole plate; 13, support plate; 14, transmission rod; 15, connecting plate; 16, guide vane; 17, connecting ring; 18, cleaning support; 19, cleaning brush; 20, sealing ring I; 21, limiting plate; 22, linear bearing I; 23, linear bearing II; 24, spring I; 25, spring II; 26, guide strip. DETAILED DESCRIPTION

[0018] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] Embodiment 1 As Figures 1-8 shown: The circulating spray system comprises a water delivery pipe 8, a water pump 7 is arranged in communication at the lower end of the water delivery pipe 8, a plurality of shunt pipes 9 are arranged in communication on the outer surface of the water delivery pipe 8, a plurality of atomizing nozzles 10 are arranged in communication on the outer surface of the plurality of shunt pipes 9, a plurality of spray nozzles 11 are fixedly connected to one end of the plurality of atomizing nozzles 10, a plurality of spray hole plates 12 are embedded in the interiors of the plurality of spray nozzles 11, and a water tank 6 is arranged below the plurality of shunt pipes 9. The circulating spray system further comprises: The cleaning assembly is arranged in the interior of the atomizing nozzle 10 and comprises a cleaning bracket 18, and a cleaning brush 19 is arranged on one side surface of the cleaning bracket 18. The kinetic energy conversion assembly is arranged in the interior of the atomizing nozzle 10 and comprises a connecting plate 15, a plurality of guide vanes 16 are fixedly connected equidistantly on the outer surface of the connecting plate 15, and a transmission rod 14 is fixedly connected to the lower surface of the support plate 15. The connecting plate 15 and the plurality of guide vanes 16 transmit the kinetic energy of water flow transmission to the cleaning bracket 18 through the transmission rod 14, so that the cleaning bracket 18 rotates and the cleaning brush 19 rubs the inner wall of the spray nozzle 11.

[0020] The cleaning assembly further comprises: A linear bearing two 23 is embedded at one end of the cleaning bracket 18 and is slidably sleeved on the outer surface of the transmission rod 14.

[0021] The kinetic energy conversion assembly further comprises: A support plate 13 is fixed in the interior of the atomizing nozzle 10. A linear bearing one 22 is rotatably connected to the upper surface of the support plate 13 and is sleeved on the outer surface of the transmission rod 14.

[0022] The kinetic energy conversion assembly further comprises: A spring one 24 is fixed to the upper surface of the linear bearing one 22. A spring two 25 is fixed to the upper surface of the cleaning bracket 18. A limiting plate 21 is fixed to the lower end of the transmission rod 14.

[0023] The kinetic energy conversion assembly further comprises: The guide strips 26 are provided in plurality and fixedly connected to the inside of the atomizing nozzle 10.

[0024] The plurality of guide vanes 16 are equidistantly distributed, and one end of the plurality of guide vanes 16 is sleeved with the connecting ring 17.

[0025] Further; In an optional embodiment, the cleaning assembly comprises a cleaning support 18, a cleaning brush 19 and a linear bearing two 23.

[0026] The cleaning support 18 for supporting is fixed on the outer surface of the linear bearing two 23 by interference fit.

[0027] The cleaning brush 19 for friction is fixed on one side of the cleaning support 18 by bolts.

[0028] It should be noted that the cleaning brush 19 is made of flexible nanofiber material, which is prior art and can be selected according to the specific model.

[0029] The inner wall surface of the linear bearing two 23 for limiting stroke is sleeved on the outer surface of the transmission rod 14.

[0030] In an optional embodiment, the kinetic energy conversion assembly comprises a support plate 13, a transmission rod 14, a connecting plate 15, a connecting plate 16, a guide vane 21, a linear bearing one 22, a spring one 24, a spring two 25 and a guide strip 26.

[0031] The support plate 13 for mounting is welded to the inside of the atomizing nozzle 10; The transmission rod 14 for transmission is fixed on the lower surface of the connecting plate 15 by bolts; The guide vane 16 for transmission is integrally formed with the connecting plate 15; The limiting plate 21 for limiting is fixed on the lower end of the transmission rod 14 by bolts; The linear bearing one 22 for connection is embedded in one side surface of the support plate 13 by bearing; The spring one 24 for energy absorption is fixed on the lower surface of the connecting plate 15; The spring two 25 for supporting is fixed on the lower surface of the support plate 13; The guide strip 26 for guiding is integrally formed with the atomizing nozzle 10; In this embodiment: in use, the water pump 7 is started, the water in the water tank 6 is transported to each branch pipe 9 through the water delivery pipe 8, and the water flow enters the plurality of atomizing nozzles 10 after being dispersed in the branch pipe 9. After the water flow enters the atomizing nozzle 10, it first contacts the plurality of guide bars 26 inside, the guide bars 26 play a guiding role on the water flow, making the water flow flow along the preset path and converge towards the kinetic energy conversion assembly. The water flow impacts the plurality of guide vanes 16 in the kinetic energy conversion assembly. Since the guide vanes 16 are equally distributed and one end is sleeved with a connecting ring 17, they uniformly bear the impact force of the water flow. Under the action of the water flow, the guide vanes 16 drive the connecting plate 15 to rotate, the rotation of the connecting plate 15 drives the transmission rod 14 fixedly connected thereto to rotate, the transmission rod 14 passes through the linear bearing one 22 embedded on the upper surface of the support plate 13, and the linear bearing one 22 is rotatably connected to the support plate 13 through a bearing. This arrangement not only supports the transmission rod 14, but also reduces the friction resistance when the transmission rod 14 rotates, ensuring smooth transmission. At the same time, the spring one 24 fixed on the upper surface of the linear bearing one 22 is stressed when the guide vane 16 is stressed. The transmission rod 14 slides inside the linear bearing one 22 and the linear bearing two 23, and drives the cleaning bracket 18 to rotate through the linear bearing, compresses the spring one 24, and the spring one 24 absorbs kinetic energy and provides cushioning. The spring two 25 pushes the cleaning bracket 18, so that the cleaning brush 19 and the inner wall surface of the nozzle 11 are in close contact, ensuring stable operation of the cleaning bracket 18. With the rotation of the cleaning bracket 18, the cleaning brush 19 will rub against the inner wall of the nozzle 11, cleaning the inner wall of the nozzle 11. After the water flow passes through the kinetic energy conversion assembly, it continues to flow to the nozzle 11, is dispersed into fine droplets through the spray hole plate 12 embedded in the nozzle 11, realizes atomization effect, completes the spraying process, and adopts the cleaning brush 19 made of flexible nanofiber material, which can effectively remove dirt and impurities on the inner wall of the nozzle 11, avoid nozzle blockage, and will not damage the inner wall of the nozzle 11, ensuring the atomization effect of the nozzle 11 and ensuring the uniformity of the spraying.

[0032] Embodiment 2 Based on embodiment 1, as shown in Figures 1-8 A cooling tower comprising a circulating spraying system further comprises: a shell 1, the inside of the shell 1 is fixedly connected with a heat exchanger 2, the output end of the heat exchanger 2 penetrates the outer surface of the shell 1, the outer surface of the shell 1 is embedded with two protective nets 4, the two protective nets 4 are opposite to each other, the upper surface of the shell 1 is provided with a fan 3 in communication, the rear surface of the shell 1 is fixedly connected with a back plate 5, and the inner wall surface of the shell 1 is sleeved on the outer surface of a water tank 6.

[0033] ​In this embodiment, when the cooling tower is running, the circulating spray system starts to work, the water pump 7 delivers the water in the water tank 6 to the water delivery pipe 8, which is distributed to each atomizing nozzle 10 through the shunt pipe 9, and the water flow is sprayed out after atomization in the atomizing nozzle 10, at the same time, the fan 3 starts to work, and air is introduced into the inside of the shell 1. The atomized water droplets fully contact with the air in the inside of the shell 1, and heat exchange is carried out, the temperature of the water droplets is increased after absorbing heat, the heat exchanger 2 fixed in the inside of the shell 1, the input end and the output end of which penetrate through the outer surface of the shell 1, can introduce the medium to be cooled into the heat exchanger 2. In the process of heat exchange between the atomized water droplets and the air, the medium in the heat exchanger 2 also exchanges heat with the surrounding environment, and the temperature of the medium is reduced, the two protective nets 4 embedded on the outer surface of the shell 1 can prevent foreign matters from entering the inside of the cooling tower, ensure the normal operation of the internal components, and also avoid the water droplets in the inside from splashing to the outside, the fan 3 connected to the upper surface of the shell 1 continuously drives the air in the inside of the shell 1 to flow, and the humid hot air absorbing heat is discharged, and the fresh cold air is introduced, so that good air circulation is formed, the cooling effect is enhanced, the back plate 5 fixed on the rear surface of the shell 1 seals and protects the back of the cooling tower, the inner wall surface of the shell 1 is sleeved on the outer surface of the water tank 6, and the water tank 6 is provided with a stable mounting position, the water tank 6 can collect the water falling after spraying, and realizes recycling of the water, the water is atomized and sprayed out through the circulating spray system, the contact area between the water and the air is increased, the air circulation driven by the fan 3 is combined, the heat exchange is more sufficient, and the cooling efficiency is greatly improved.

[0034] The implementation principle of the circulating spray system and the cooling tower comprising the system is as follows: In use, the water pump 7 is started, water in the water tank 6 is delivered to each branch pipe 9 through the water delivery pipe 8, and the water flow is dispersed in the branch pipe 9 and then enters the plurality of atomizing nozzles 10. After the water flow enters the atomizing nozzle 10, it first contacts the plurality of guide bars 26 inside, the guide bars 26 play a guiding role on the water flow, making the water flow flow along the preset path and converge to the kinetic energy conversion assembly. The water flow impacts the plurality of guide vanes 16 in the kinetic energy conversion assembly, and the guide vanes 16 are uniformly subjected to the impact force of the water flow due to the equidistant distribution and the one end of the guide vanes 16 being sleeved with the connecting ring 17. Under the action of the water flow, the guide vanes 16 drive the connecting plate 15 to rotate, the rotation of the connecting plate 15 drives the transmission rod 14 fixedly connected thereto to rotate, the transmission rod 14 passes through the linear bearing one 22 embedded on the upper surface of the support plate 13, the linear bearing one 22 is rotatably connected with the support plate 13 through a bearing, which not only supports the transmission rod 14, but also reduces the friction resistance when the transmission rod 14 rotates, ensuring the smoothness of transmission. At the same time, the spring one 24 fixed on the upper surface of the linear bearing one 22 is stressed when the guide vanes 16 are stressed, the transmission rod 14 slides in the linear bearing one 22 and the linear bearing two 23, and drives the cleaning bracket 18 to rotate through the linear bearing, extrudes the spring one 24, the spring one 24 absorbs kinetic energy and provides buffering, the spring two 25 pushes the cleaning bracket 18, so that the cleaning brush 19 and the inner wall surface of the nozzle 11 are attached, ensuring the stable operation of the cleaning bracket 18. With the rotation of the cleaning bracket 18, the cleaning brush 19 will rub the inner wall of the nozzle 11 to clean the inner wall of the nozzle 11. After the water flow passes through the kinetic energy conversion assembly, it continues to flow to the nozzle 11, is dispersed into fine droplets through the spray hole plate 12 embedded in the nozzle 11, realizes the atomizing effect, and completes the spraying process.

[0035] When the cooling tower is running, the circulating spray system starts to work, the water pump 7 delivers the water in the water tank 6 to the water delivery pipe 8, which is distributed to each atomizing nozzle 10 through the shunt pipe 9, and the water flow is sprayed out after atomization in the atomizing nozzle 10, at the same time, the fan 3 starts to work, and air is introduced into the inside of the shell 1. The atomized water droplets fully contact with the air in the inside of the shell 1, and heat exchange is carried out, the temperature of the water droplets is increased after absorbing heat, the heat exchanger 2 fixed in the inside of the shell 1, with the input end and the output end penetrating the outer surface of the shell 1, can introduce the medium to be cooled into the heat exchanger 2. In the process of heat exchange between the atomized water droplets and the air, the medium in the heat exchanger 2 also exchanges heat with the surrounding environment, so that the medium is cooled, the two protective nets 4 embedded on the outer surface of the shell 1 can prevent foreign matters from entering the inside of the cooling tower, so that the normal operation of the internal components is ensured, and the water droplets in the inside of the cooling tower can also be prevented from splashing to the outside, the fan 3 connected to the upper surface of the shell 1 continuously drives the air in the inside of the shell 1 to flow, so that the humid hot air absorbing heat is discharged, and the fresh cold air is introduced, so that good air circulation is formed, the cooling effect is enhanced, the back plate 5 fixed on the rear surface of the shell 1 seals and protects the back of the cooling tower, the inner wall surface of the shell 1 is sleeved on the outer surface of the water tank 6, so that a stable installation position of the water tank 6 is provided, and the water tank 6 can collect the water falling after spraying.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A recirculating spray system comprising: The utility model relates to a circulating spray system, including: water tank (6), water pump (7), water pipe (8), multiple branch pipes (9), multiple atomizing nozzles (10), multiple nozzles (11), nozzle plate (12), circulating spray system (1), heat exchanger (2), two protective nets (4), fan (3), back plate (5), linear bearing two (23), linear bearing one (22), spring one (24), spring two (25), limiting plate (21), guide strip (26). The cleaning assembly is arranged in the atomizing nozzle (10) and comprises a cleaning support (18) provided with a cleaning brush (19) on one side surface. The kinetic energy conversion assembly is arranged in the atomizing nozzle (10) and comprises a connecting plate (15) fixedly connected with multiple guide vanes (16) on the outer surface at equal intervals, and a transmission rod (14) fixedly connected to the lower surface of the supporting plate (15). The kinetic energy of water flow during transportation is transmitted to the cleaning support (18) through the transmission rod (14) to rotate the cleaning support (18) and rub the inner wall of the nozzle (11) through the cleaning brush (19).

2. The recirculating spray system of claim 1, wherein: The cleaning assembly further comprises: The linear bearing two (23) is embedded in one end of the cleaning support (18) and is slidably sleeved on the outer surface of the transmission rod (14).

3. The recirculating spray system of claim 2, wherein: The kinetic energy conversion assembly further comprises: A supporting plate (13) is fixed in the atomizing nozzle (10). The linear bearing one (22) is rotatably connected to the upper surface of the supporting plate (13) and is sleeved on the outer surface of the transmission rod (14).

4. The recirculating spray system of claim 3, wherein: The kinetic energy conversion assembly further comprises: A spring one (24) is fixed to the upper surface of the linear bearing one (22). A spring two (25) is fixed to the upper surface of the cleaning support (18). A limiting plate (21) is fixed to the lower end of the transmission rod (14).

5. The recirculating spray system of claim 4, wherein: The kinetic energy conversion assembly further comprises: Multiple guide strips (26) are fixedly connected in the atomizing nozzle (10).

6. The recirculating spray system of claim 1, wherein: The multiple guide vanes (16) are distributed at equal intervals, and one end of the multiple guide vanes (16) is sleeved with a connecting ring (17).

7. A cooling tower characterized by: The circulating spray system of any one of claims 1-6 further comprises: an outer shell (1) fixedly connected with a heat exchanger (2) in the inner shell (1), and the output end of the heat exchanger (2) penetrates the outer surface of the outer shell (1).

8. The cooling tower apparatus of claim 7, wherein: The outer surface of the outer shell (1) is embedded with two protective nets (4), and the opposite surfaces of the two protective nets (4).

9. The cooling tower apparatus of claim 8, wherein: The upper surface of the outer shell (1) is communicated with a fan (3), and the rear surface of the outer shell (1) is fixedly connected with a back plate (5).

10. The cooling tower apparatus of claim 9, wherein: The inner wall surface of the outer shell (1) is sleeved on the outer surface of the water tank (6).

Images