Anti-shaking spraying structure and cooling tower

Abstract

An anti-shake spraying structure and a cooling tower relate to the technical field of cooling towers, the anti-shake spraying structure comprises a first water supply pipe, the lower side of the first water supply pipe is provided with a first main nozzle and an auxiliary nozzle, and the first main nozzle is connected and communicated with the first water supply pipe; the auxiliary spray head is connected with the first water supply pipe through a communicating pipe, the lower end of the communicating pipe is communicated with the auxiliary spray head, and the upper end of the communicating pipe penetrates through the wall of the first water supply pipe and extends into an inner cavity of the first water supply pipe by a section. And the nozzle is prevented from shaking.

Description

Technical Field

[0001] This utility model relates to the field of cooling tower technology, specifically to an anti-vibration spray structure and a cooling tower. Background Technology

[0002] In existing technology, the bottom layer of a cooling tower is an air intake layer, with multiple air dampers around its perimeter. A packing layer is installed above the air intake layer. A spray unit is installed above the packing layer, with nozzles spraying hot water to be treated onto the packing layer.

[0003] In some operating conditions, pressure fluctuations in the water supply to the cooling tower cause a sudden increase in the flow velocity of the water sprayed from the nozzles; or, if some nozzles need to be shut down, the flow velocity of the remaining working nozzles increases, causing the packing sheets to be deformed by the water impact, affecting the normal operation of the packing layer. Some technologies use auxiliary nozzles led out to one side, but during implementation, it was found that the auxiliary nozzles vibrate with changes in water pressure. Utility Model Content

[0004] This utility model provides an anti-vibration spray structure and cooling tower to address the aforementioned technical problems in the prior art, which can prevent the spray nozzles from vibrating while avoiding excessively high water flow rates.

[0005] To achieve the above technical objectives, this utility model provides an anti-vibration spray structure, including a first water supply pipe, a first main nozzle and an auxiliary nozzle provided on the lower side of the first water supply pipe, the first main nozzle being connected and communicating with the first water supply pipe; the auxiliary nozzle being connected to the first water supply pipe through a connecting pipe, the lower end of the connecting pipe communicating with the auxiliary nozzle, and the upper end of the connecting pipe passing through the wall of the first water supply pipe and extending a section into the inner cavity of the first water supply pipe.

[0006] In some embodiments, the top of the first water supply pipe is provided with an upwardly protruding protrusion structure;

[0007] An overflow cavity is provided within the protruding structure corresponding to the upper end of the connecting pipe; the upper end of the connecting pipe extends upward into the overflow cavity.

[0008] In some embodiments, the overflow cavity is provided with a support portion, which is connected to the upper end of the connecting pipe;

[0009] The support is provided with a flow hole that allows water to flow from the inner cavity of the first water supply pipe into the overflow cavity.

[0010] In some embodiments, the protruding structure is detachably connected to the first water supply pipe;

[0011] The first water supply pipe has an upper opening on its upper side;

[0012] The lower side of the protruding structure is provided with a positioning protrusion that matches the upper opening.

[0013] In some embodiments, the periphery of the positioning protrusion is provided with a covering portion that is adapted to the shape of the upper surface of the first water supply pipe, and the covering portion is fixedly connected to the first water supply pipe.

[0014] In some embodiments, a connecting cover is provided on the lower side of the first water supply pipe, and the connecting pipe is connected to the first water supply pipe through the connecting cover.

[0015] In some embodiments, a plurality of auxiliary nozzles are provided along the length of the first water supply pipe;

[0016] Along the water flow direction within the first water supply pipe, the height of the upper port of the connecting pipe corresponding to the plurality of auxiliary nozzles gradually decreases.

[0017] Other embodiments of this utility model provide a cooling tower including any of the above-described anti-vibration spray structures.

[0018] Some embodiments of this utility model provide a cooling tower, including a packing layer and a spray section disposed on the upper side of the packing layer for spraying hot water onto the packing layer, the spray section including a first water supply pipe;

[0019] The first water supply pipe consists of multiple pipes arranged horizontally within the cooling tower.

[0020] A first main nozzle and an auxiliary nozzle are provided on the lower side of the first water supply pipe. The first main nozzle is connected to and communicates with the first water supply pipe. The auxiliary nozzle is connected to the first water supply pipe through a connecting pipe. The lower end of the connecting pipe communicates with the auxiliary nozzle, and the upper end of the connecting pipe passes through the wall of the first water supply pipe and extends a section into the inner cavity of the first water supply pipe.

[0021] The top of the first water supply pipe is provided with an upward protruding structure;

[0022] An overflow cavity is provided within the protruding structure corresponding to the upper end of the connecting pipe; the upper end of the connecting pipe extends upward into the overflow cavity.

[0023] Some embodiments of this utility model provide a cooling tower, including a packing layer and a spray section disposed on the upper side of the packing layer for spraying hot water onto the packing layer;

[0024] Multiple baffles are roughly vertically installed in the area between the spray section and the packing layer; the baffles extend along the front and rear direction of the cooling tower, and the baffles and the top surface of the packing layer enclose multiple alternating spray spaces and air duct spaces.

[0025] A first spray unit is installed in the spray space, and a second spray unit is installed in the air intake space;

[0026] The first spray unit includes a first water supply pipe that extends along the front-rear direction of the cooling tower; a first main nozzle and an auxiliary nozzle are provided on the lower side of the first water supply pipe, the first main nozzle is connected to and communicates with the first water supply pipe; the auxiliary nozzle is connected to the first water supply pipe through a connecting pipe, the lower end of the connecting pipe is connected to the auxiliary nozzle, and the upper end of the connecting pipe passes through the wall of the first water supply pipe and extends a section into the inner cavity of the first water supply pipe;

[0027] The top of the first water supply pipe is provided with an upward protruding structure;

[0028] An overflow cavity is provided within the protruding structure corresponding to the upper end of the connecting pipe; the upper end of the connecting pipe extends upward into the overflow cavity;

[0029] The second spray unit includes a second water supply pipe and a second main nozzle. The second water supply pipe extends along the front-to-back direction of the cooling tower. The second main nozzle is connected to the second water supply pipe through a pipeline.

[0030] One or more technical solutions provided in the embodiments of this utility model have at least the following technical effects or advantages:

[0031] When the water supply flow is within the normal range, the auxiliary sprinklers do not spray water. If the water supply is excessive, the auxiliary sprinklers spray water to help discharge the excess water, reducing the spray speed of the sprinklers and preventing damage to the packing plates caused by excessive spray speed. Furthermore, water from the first water supply pipe is preferentially sprayed out from the first main sprinkler, ensuring that the first main sprinkler receives water flow even when the water volume is insufficient, effectively ensuring heat exchange in the corresponding area.

[0032] Furthermore, in the anti-vibration spray structure of this utility model, the auxiliary nozzle is located at the lower end of the connecting pipe. When the water flow in the first water supply pipe experiences pressure fluctuations that generate water hammer, the force on the auxiliary nozzle is collinear with that on the connecting pipe. The tubular structure of the connecting pipe has high strength and rigidity when subjected to a force with the same axis as its axis, thus effectively solving the technical problem of auxiliary nozzle vibration. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the structure of a cooling tower according to an embodiment of the present invention, which is in summer operation mode.

[0034] Figure 2 This is a schematic diagram of the structure of a cooling tower according to an embodiment of the present invention, which is in winter operation mode.

[0035] Figure 3This is a schematic diagram of a partial structure of a cooling tower.

[0036] Figure 4 This is a structural diagram of the spray section in a cooling tower.

[0037] Figure 5 This is a schematic diagram of the anti-vibration spray structure of the first embodiment of the present invention.

[0038] Figure 6 for Figure 5 Structural diagram of section AA in the middle.

[0039] Figure 7 for Figure 5 BB structure diagram in the image.

[0040] Figure 8 This is a schematic diagram of the anti-vibration spray structure according to the second embodiment of the present invention.

[0041] Figure 9 for Figure 8 Enlarged view of the upper middle section.

[0042] Figure 10 for Figure 8 Enlarged view of the lower middle section.

[0043] Figure 11 This is a schematic diagram of the anti-vibration spray structure according to the third embodiment of this utility model.

[0044] Explanation of reference numerals in the attached figures

[0045] 1. First water supply pipe; 11. Upper opening; 12. Lower opening; 2. First main nozzle; 3. Auxiliary nozzle; 4. Second water supply pipe; 5. Second main nozzle; 6. Connecting pipe; 60. Upper port; 7. Protruding structure; 70. Overflow chamber; 71. Support part; 711. Support hole; 712. Flow hole; 72. Cover part; 73. Positioning protrusion; 8. Connecting cover; R, Reference line;

[0046] 10. Cooling tower; 101. Air inlet layer; 102. Air damper; 103. Packing layer;

[0047] 104. Spraying section; 104a, 104a'. First spraying unit; 104b. Second spraying unit; 105. Partition; 105a. Spraying space; 105b. Air intake space;

[0048] 106. Exhaust layer; 107. Fan; 108. Exhaust vent. Detailed Implementation

[0049] Other objects and advantages of this utility model will become clear by explaining the preferred embodiments of the present application below.

[0050] To clearly illustrate the positional relationships, the orientation of the cooling tower in this embodiment is defined as follows: (e.g.) Figure 1 As shown, the positive direction of the x-axis is to the right, and the negative direction is to the left. The positive direction of the y-axis is up, and the negative direction is down. The direction inside the paper is forward (i.e., ...). Figure 5 The positive z-axis direction is the middle z-axis, and the direction outside the paper is the back (i.e., the direction outside the paper). Figure 5 (negative z-axis direction).

[0051] Figure 1 A schematic diagram of the structure of a cooling tower according to an embodiment of the present invention is shown.

[0052] like Figure 1 As shown, the bottom layer of the cooling tower 10 is an air intake layer 101, and multiple air dampers 102 are arranged around the air intake layer 101. A packing layer 103 is arranged above the air intake layer 101. A spray section 104 is arranged above the packing layer 103, and the spray section 104 sprays hot water to be treated onto the packing layer 103. Multiple baffles 105 are generally erected in the area between the spray section 104 and the packing layer 103. The baffles 105 extend in a direction perpendicular to the plane of the paper. The baffles 105 and the top surface of the packing layer 103 enclose multiple alternately arranged spray spaces 105a and air intake spaces 105b.

[0053] Above the spray section 104 is the exhaust layer 106, and above the exhaust layer 106 is the exhaust port 108 equipped with a fan 107. The fan 107 draws air upward, causing cold air to enter the air intake layer 101 from the air damper 102 at the bottom of the cooling tower 10. The air then passes through the packing layer 103 and upward through the spray space 105a and the air intake space 105b, respectively. After further mixing in the exhaust layer 106, the air is discharged upward through the exhaust port 108.

[0054] On the other hand, the hot water to be treated, sprayed from the spray section 104 to the packing layer 103, is cooled by the packing layer 103 and falls to the bottom of the air intake layer 101. The cooled water is then collected by the collection equipment for recycling in the factory.

[0055] Depending on the ambient temperature, the cooling tower in this embodiment has a summer operating state and a winter operating state.

[0056] Working conditions in summer, such as Figure 1 As shown, hot water is sprayed onto both the spray space 105a and the air intake space 105b via the spray section 104. This ensures that the cooling tower 10 maximizes its heat exchange efficiency without fogging issues in summer.

[0057] Working conditions in winter, such as Figure 2As shown, by opening the nozzles in the spray section 104 corresponding to the spray space 105a and closing the nozzles in the spray section 104 corresponding to the air duct 105b, the hot water to be treated sprayed by the spray section 104 is confined within the spray space 105a and enters the packing layer 103, and then flows along... Figure 2 The water flow path indicated by the solid arrow in the middle flows through the packing layer 103.

[0058] Since no water is sprayed in the air intake space 105b, the dry, cold air entering the cooling tower 10 from the damper 102 is... Figure 2 The airflow path indicated by the dashed arrow flows through the packing layer 103. The dry, cold air and the hot water under the spray exchange heat through the interlayer of the packing plates, cooling the hot water and forming dry, hot air.

[0059] Dry, cold air flows upward through the packing layer 103 along the water flow path, exchanging heat with the hot water. After passing through the packing layer 103, it forms hot, saturated air, i.e., humid, hot air. Furthermore, because hot water is sprayed down from the upper spray section 104 within the water flow path, the air drawn into the water flow path by the fan 107 experiences significant resistance, resulting in a very small flow rate relative to the airflow path, typically only a fraction of the flow rate.

[0060] Dry, hot air flowing through the airflow path and humid, hot air flowing through the waterflow path mix in the exhaust layer 106. Because there is less humid, hot air is mixed with dry, hot air to form unsaturated hot air. After being discharged into the atmosphere by the well fan 107 and the exhaust port 108, the unsaturated hot air is gradually cooled down, resulting in less moisture precipitation and greatly reducing the amount of fog formation.

[0061] However, switching from summer to winter operating conditions may damage the packing sheets. This is because, with some or even half of the valves closed, the total water flow to be processed by the cooling tower remains the same, but the flow rate through individual valves increases, significantly increasing the spray velocity from the nozzles. Since the packing sheets are very thin (0.3-0.4mm), they are easily damaged by the impact of high-speed water flow.

[0062] Therefore, some technical solutions include, for example Figure 4 To solve the aforementioned technical problems, the spray structure shown includes a first spray unit 104a in the spray space 105a and a second spray unit 104b in the air intake space 105b.

[0063] The first spray unit 104a includes a first water supply pipe 1, which extends horizontally. The first spray unit 104a also includes a first main nozzle 2 and an auxiliary nozzle 3'. The first main nozzle 2 and the auxiliary nozzle 3' are respectively connected to the first water supply pipe 1 via pipes. The second spray unit 104b includes a second water supply pipe 4 extending horizontally, and a plurality of second main nozzles 5 installed on the second water supply pipe 4.

[0064] Working conditions in winter, such as Figure 3 As shown, water is supplied to the first water supply pipe 1 in the spray space 105a, and the water supply to the second water supply pipe 4 in the air venting space 105b is stopped. At this time, only the first spray unit 104a in the spray space 105a sprays water. If the water supply is too large, the water pressure in the first water supply pipe 1 will increase, and the auxiliary nozzle 3' will spray water to avoid the first main nozzle 2 spraying water too fast and causing damage to the packing sheet.

[0065] However, when implementing the above technical solution, the auxiliary nozzle 3' vibrates with changes in water pressure within the first water supply pipe 1. Through research, the inventors of this utility model discovered that changes in water pressure within the first water supply pipe 1 generate a water hammer effect within the auxiliary nozzle 3'. Furthermore, since the auxiliary nozzle 3' is located on one side of the first water supply pipe 1, this water hammer effect causes it to vibrate. If this problem is not properly resolved, it will lead to fatigue fracture of the pipeline connecting the auxiliary nozzle 3' and the first water supply pipe 1.

[0066] Figures 5-7 The anti-vibration spray structure of the first embodiment of this utility model is disclosed.

[0067] To solve the aforementioned technical problems, the inventors of this application have proposed an anti-vibration spray structure and a cooling tower incorporating the same. Figures 5-7 As shown, an auxiliary nozzle 3 is provided on the first water supply pipeline 1. The inlet of the auxiliary nozzle 3 is connected to and communicates with the lower end of the connecting pipe 6. The upper end of the connecting pipe 6 passes through the bottom wall of the first water supply pipeline 1 and extends upward into the inner cavity of the first water supply pipeline 1.

[0068] In practical applications of the anti-vibration spray structure of this utility model, during summer operation, hot water is sprayed onto both the spray space 105a and the air intake space 105b via the spray unit 104. In the first spray unit 104a, since the upper end of the connecting pipe 6 extends into the inner cavity of the first water supply pipe 1, water will only be sprayed from the auxiliary nozzle 3 when the water level in the first water supply pipe 1 exceeds the height of the upper end of the connecting pipe 6. This avoids excessively high water pressure from the first main nozzle 2, which could damage the packing material.

[0069] Meanwhile, in the second spray unit 104b, since the second main nozzle 5 is at the same height as the first main nozzle 2, water is also sprayed from the second main nozzle 5.

[0070] Therefore, during summer operation, when the water supply flow is within the normal range, the auxiliary nozzle 3 does not spray water. If the water supply is excessive, the auxiliary nozzle 3 sprays water to help discharge the excess water, reducing the spraying speed of the first main nozzle 2 and the second main nozzle 5, thus preventing damage to the packing plates caused by excessively fast spraying speeds. Furthermore, water flowing from the first water supply pipe 1 is preferentially sprayed out from the first main nozzle 2, ensuring water flow even when the water volume is insufficient, effectively guaranteeing heat exchange in the corresponding area.

[0071] Working conditions in winter, such as Figure 2 and Figure 5 As shown, water is supplied to the first water supply pipe 1 in the spray space 105a, and the water supply to the second water supply pipe 4 in the air intake space 105b is stopped. At this time, only the first spray unit 104a in the spray space 105a sprays water. For the first spray unit 104a, the water supply is too large. At this time, the water level in the inner cavity of the first water supply pipe 1 exceeds the height of the upper port of the connecting pipe 6. The auxiliary nozzle 3 sprays water to avoid the first main nozzle 2 spraying water too fast and causing damage to the packing sheet.

[0072] Furthermore, such as Figure 5 As shown, an upward-facing protrusion 7 is provided at the top of the first water supply pipe 1, corresponding to the position of the connecting pipe 6. An overflow chamber 70, communicating with the inner cavity of the first water supply pipe 1, is formed inside the protrusion 7. The upper port 60 of the connecting pipe 6 extends into the overflow chamber 70. By setting the overflow chamber 70, the water pressure requirement for the auxiliary nozzle 3 to start working can be increased, or in other words, the maximum working pressure of the first main nozzle 2 can be increased. That is, the auxiliary nozzle 3 can only work when the water level in the first water supply pipe 1 exceeds the upper port of the connecting pipe 6, thereby effectively ensuring the normal water spraying of the first main nozzle 2 and preventing the auxiliary nozzle 3 from starting prematurely.

[0073] In this invention, the connecting pipe 6 extends vertically, and the auxiliary nozzle 3 is located along the extension direction of the connecting pipe 6. Therefore, in the anti-vibration spray structure described in this invention, since the auxiliary nozzle 3 is located at the lower end of the connecting pipe 6, when water pressure fluctuations occur in the first water supply pipe 1, generating water hammer, the force on the auxiliary nozzle 3 is collinear with that on the connecting pipe 6. Furthermore, the tubular structure of the connecting pipe 6 possesses high strength and rigidity when subjected to a force aligned with its axis, thus effectively solving the technical problem of vibration in the auxiliary nozzle 3.

[0074] Figures 8-10 The second embodiment of the anti-vibration spray structure of this utility model is disclosed.

[0075] like Figure 8 As shown, in this embodiment, to facilitate construction and form the overflow cavity 70, the protruding structure 7 and the first water supply pipe 1 are configured as separate structures, and the protruding structure 7 is connected to the first water supply pipe 1 by installation. In addition, a connecting cover 8 can be provided at the lower part of the first water supply pipe 1 to facilitate the connection between the connecting pipe 6 and the first water supply pipe 1.

[0076] like Figure 9 As shown, an upper opening 11 is provided on the upper side of the first water supply pipe 1, providing an installation position for the protruding structure 7. The lower end of the protruding structure 7 has a positioning protrusion 73 that matches the upper opening 11. This positioning protrusion 73, connected to the upper opening 11, positions and reinforces the connection between the protruding structure 7 and the first water supply pipe 1, improving the positional accuracy of the protruding structure 7 during installation. A cover portion 72, matching the outer surface of the first water supply pipe 1, is provided radially outward of the positioning protrusion 73. The cover portion 72 can be connected to the pipe wall of the first water supply pipe 1 using fasteners such as screws.

[0077] Inside the protruding structure 7, a support portion 71 is provided. This support portion 71 has a support hole 711 connected to the connecting pipe 6. The support hole 711 supports the upper end of the connecting pipe 6, preventing water flow impact and pressure fluctuations in the first water supply pipe 1 from affecting the position of the upper end of the connecting pipe 6. The support portion 71 also has a flow-through hole 712, allowing water to pass through. Water from the inner cavity of the first water supply pipe 1 enters the overflow chamber 70 through this flow-through hole 712. The support portion 71 can be integrally formed with the protruding structure 7, improving the connection strength between the two and reducing manufacturing costs.

[0078] like Figure 10 As shown, a connecting cover 8 is provided on the lower side of the first water supply pipe 1. This connecting cover 8 is used to connect and seal the connecting pipe 6 and the first water supply pipe 1. The connecting cover 8 can be implemented in various ways, for example, Figure 10 As shown, the connecting cover 8 is connected to the first water supply pipe 1, for example, by fasteners such as screws. The connecting pipe 6 passes through the connecting cover 8 and enters the inner cavity of the first water supply pipe 1. Alternatively, the connecting pipe 6 is divided into two sections by the connecting cover 8; the lower section connects to the connecting cover 8 and the first main nozzle 2, while the lower end of the upper section connects to the connecting cover 8, and the upper end extends into the inner cavity of the first water supply pipe 1. Furthermore, those skilled in the art can design other modified structures based on the inventive concept of this utility model.

[0079] like Figure 11As shown, to ensure uniform water flow from the auxiliary nozzles 3 at different positions along the length of the first water supply pipe 1, in this embodiment, the upper port heights of the connecting pipes 6a, 6b, and 6c are set differently. Specifically, the upper port heights of the connecting pipes 6a, 6b, and 6c gradually decrease along the direction of water flow. As the water pressure continuously decreases along the direction of water flow, the gradual reduction in the height of each connecting pipe (6a, 6b, 6c) adapts to the aforementioned water pressure changes, thus maintaining uniform water flow from each auxiliary nozzle 3.

[0080]

Usage Example 1

[0081] The anti-vibration spray structure of this invention can be used in conventional cooling towers to eliminate the problem of excessive flow rate of the main nozzle or vibration of the auxiliary nozzle caused by changes in water supply pressure.

[0082] The cooling tower of this application example includes a packing layer 103 and a spray section 104 disposed on the upper side of the packing layer 103 for spraying hot water onto the packing layer 103. The spray section 104 includes a first water supply pipe 1. There are multiple first water supply pipes 1, which are arranged horizontally in the cooling tower. A first main nozzle 2 and an auxiliary nozzle 3 are provided on the lower side of the first water supply pipe 1. The first main nozzle 2 is connected to and communicates with the first water supply pipe 1. The auxiliary nozzle 3 is connected to the first water supply pipe 1 through a connecting pipe 6. The lower end of the connecting pipe 6 communicates with the auxiliary nozzle 3, and the upper end of the connecting pipe 6 passes through the wall of the first water supply pipe 1 and extends to the inner cavity of the first water supply pipe 1. The connecting pipe 6 extends vertically, and the auxiliary nozzle 3 is located in the extension direction of the connecting pipe 6.

[0083] In some embodiments, the top of the first water supply pipe 1 is provided with an upwardly protruding protrusion structure 7; an overflow cavity 70 is provided in the protrusion structure 7 corresponding to the upper end of the connecting pipe 6; the upper end of the connecting pipe 6 extends upward into the overflow cavity 70.

[0084] In this application example, the packing layer 103 can be, for example, conventional packing, meaning that there is no distinction between air and water flow paths within the packing. In this application example, the auxiliary nozzle 3 can assist in spraying water when the water supply pressure is too high, thereby reducing the water flow path and flow rate of the first main nozzle 2 and protecting the packing plates below the first main nozzle 2. Furthermore, by installing the auxiliary nozzle 3 at the lower end of the connecting pipe 6 and positioning it along the extension direction of the connecting pipe 6, vibration problems with the auxiliary nozzle 3 can be effectively avoided.

[0085]

Usage Example 2

[0086] like Figure 1 and Figure 2 As shown, the cooling tower 10 includes a packing layer 103 and a spray section 104 disposed on the upper side of the packing layer 103 for spraying hot water onto the packing layer 103.

[0087] Multiple baffles 105 are generally erected in the area between the spray section 104 and the packing layer 103; the baffles 105 extend along the front-back direction of the cooling tower 10, and the baffles 105 and the top surface of the packing layer 103 form multiple alternately arranged spray spaces 105a and air induced spaces 105b. A first spray unit 104a is provided in the spray space 105a, and a second spray unit 104b is provided in the air intake space 105b. The first spray unit 104a includes a first water supply pipe 1, which extends along the front-rear direction of the cooling tower 10. A first main nozzle 2 and an auxiliary nozzle 3 are provided on the lower side of the first water supply pipe 1. The first main nozzle 2 is connected to and communicates with the first water supply pipe 1. The auxiliary nozzle 3 is connected to the first water supply pipe 1 through a connecting pipe 6. The lower end of the connecting pipe 6 communicates with the auxiliary nozzle 3, and the upper end of the connecting pipe 6 passes through the wall of the first water supply pipe 1 and extends to the inner cavity of the first water supply pipe 1. The connecting pipe 6 extends vertically, and the auxiliary nozzle 3 is located in the extension direction of the connecting pipe 6.

[0088] The top of the first water supply pipe 1 is provided with an upward protruding structure 7; an overflow cavity 70 is provided in the protruding structure 7 corresponding to the upper end of the connecting pipe 6; the upper end of the connecting pipe 6 extends upward into the overflow cavity 70.

[0089] In this example, the second spray unit 104b includes a second water supply pipe 4 and a second main nozzle 5. The second water supply pipe 4 extends along the front-rear direction of the cooling tower 10. The second main nozzle 5 is connected to the second water supply pipe 4 through a pipeline.

[0090] The cooling tower in this application example operates in summer, such as Figure 1 As shown, when the water supply flow rate is within the normal range, the auxiliary nozzle 3 does not spray water; if the water supply is excessive, the auxiliary nozzle 3 sprays water to help discharge the excess water, reducing the spraying speed of the first main nozzle 2 and the second main nozzle 5, thus preventing damage to the packing plates caused by excessively fast spraying speeds of the first main nozzle 2 and the second main nozzle 5. Furthermore, water flowing from the first water supply pipe 1 is preferentially sprayed out from the first main nozzle 2, ensuring water flow even when the water volume is insufficient, effectively guaranteeing heat exchange in the corresponding area.

[0091] Working conditions in winter, such as Figure 2 and Figure 5As shown, water is supplied to the first water supply pipe 1 in the spray space 105a, and the water supply to the second water supply pipe 4 in the air intake space 105b is stopped. At this time, only the first spray unit 104a in the spray space 105a sprays water. For the first spray unit 104a, the water supply is too large. At this time, the water level in the inner cavity of the first water supply pipe 1 exceeds the height of the upper end of the connecting pipe 6. The auxiliary nozzle 3 sprays water to avoid the first main nozzle 2 spraying water too fast and damaging the packing sheet. Furthermore, by installing the auxiliary nozzle 3 at the lower end of the connecting pipe 6 and positioning the auxiliary nozzle 3 in the extension direction of the connecting pipe 6, the vibration problem of the auxiliary nozzle 3 due to water pressure changes can be effectively avoided.

[0092] The anti-vibration spray structure and cooling tower of this application have been described in detail with reference to the preferred technical solutions. However, it should be noted that, without departing from the spirit of this application, those skilled in the art can make any modifications, alterations, and variations based on the above disclosure. This application includes the above-described specific embodiments and any equivalent forms.

Claims

1. A vibration-resistant spray structure, characterized in that, The device includes a first water supply pipe, a first main nozzle and an auxiliary nozzle are provided on the lower side of the first water supply pipe, the first main nozzle is connected to and communicates with the first water supply pipe; the auxiliary nozzle is connected to the first water supply pipe through a connecting pipe, the lower end of the connecting pipe is connected to the auxiliary nozzle, and the upper end of the connecting pipe passes through the wall of the first water supply pipe and extends to the inner cavity of the first water supply pipe; wherein, the connecting pipe extends vertically, and the auxiliary nozzle is located in the extension direction of the connecting pipe.

2. The anti-vibration spray structure as described in claim 1, characterized in that, The top of the first water supply pipe is provided with an upward protruding structure; An overflow cavity is provided within the protruding structure corresponding to the upper end of the connecting pipe; the upper end of the connecting pipe extends upward into the overflow cavity.

3. The anti-vibration spray structure as described in claim 2, characterized in that, The overflow cavity is provided with a support part, which is connected to the upper end of the connecting pipe; The support is provided with a flow hole that allows water to flow from the inner cavity of the first water supply pipe into the overflow cavity.

4. The anti-vibration spray structure as described in claim 2, characterized in that, The protruding structure is detachably connected to the first water supply pipe; The first water supply pipe has an upper opening on its upper side; The lower side of the protruding structure is provided with a positioning protrusion that matches the upper opening.

5. The anti-vibration spray structure as described in claim 4, characterized in that, The periphery of the positioning protrusion is provided with a covering part that matches the shape of the upper surface of the first water supply pipe, and the covering part is fixedly connected to the first water supply pipe.

6. The anti-vibration spray structure as described in claim 1, characterized in that, A connecting cover is provided on the lower side of the first water supply pipe, and the connecting pipe is connected to the first water supply pipe through the connecting cover.

7. The anti-vibration spray structure as described in claim 1, characterized in that, Multiple auxiliary nozzles are provided along the length of the first water supply pipe; Along the water flow direction within the first water supply pipe, the height of the upper port of the connecting pipe corresponding to the plurality of auxiliary nozzles gradually decreases.

8. A cooling tower, characterized in that, The anti-vibration spray structure includes any one of claims 1 to 7.

9. A cooling tower, characterized in that, It includes a packing layer and a spray section disposed on the upper side of the packing layer for spraying hot water onto the packing layer, the spray section including a first water supply pipe; The first water supply pipe consists of multiple pipes arranged horizontally within the cooling tower. A first main nozzle and an auxiliary nozzle are provided on the lower side of the first water supply pipe. The first main nozzle is connected to and communicates with the first water supply pipe. The auxiliary nozzle is connected to the first water supply pipe through a connecting pipe. The lower end of the connecting pipe communicates with the auxiliary nozzle, and the upper end of the connecting pipe passes through the wall of the first water supply pipe and extends to the inner cavity of the first water supply pipe. The connecting pipe extends vertically, and the auxiliary nozzle is located in the extension direction of the connecting pipe. The top of the first water supply pipe is provided with an upward protruding structure; An overflow cavity is provided within the protruding structure corresponding to the upper end of the connecting pipe; the upper end of the connecting pipe extends upward into the overflow cavity.

10. A cooling tower, characterized in that, It includes a packing layer and a spray section disposed on the upper side of the packing layer for spraying hot water onto the packing layer; Multiple baffles are roughly vertically installed in the area between the spray section and the packing layer; the baffles extend along the front and rear direction of the cooling tower, and the baffles and the top surface of the packing layer enclose multiple alternating spray spaces and air duct spaces. A first spray unit is installed in the spray space, and a second spray unit is installed in the air intake space; The first spray unit includes a first water supply pipe extending along the front-rear direction of the cooling tower; a first main nozzle and an auxiliary nozzle are provided on the lower side of the first water supply pipe, the first main nozzle being connected and communicating with the first water supply pipe; the auxiliary nozzle is connected to the first water supply pipe through a connecting pipe, the lower end of the connecting pipe communicating with the auxiliary nozzle, and the upper end of the connecting pipe passing through the wall of the first water supply pipe and extending a section into the inner cavity of the first water supply pipe; wherein, the connecting pipe extends vertically, and the auxiliary nozzle is located in the extending direction of the connecting pipe. The top of the first water supply pipe is provided with an upward protruding structure; An overflow cavity is provided within the protruding structure corresponding to the upper end of the connecting pipe; the upper end of the connecting pipe extends upward into the overflow cavity; The second spray unit includes a second water supply pipe and a second main nozzle. The second water supply pipe extends along the front-to-back direction of the cooling tower. The second main nozzle is connected to the second water supply pipe through a pipeline.

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