Circulating water heat dissipation device for cooling tower of power plant

Abstract

The invention relates to the technical field of circulating water cooling, in particular to a circulating water heat dissipation device of a cooling tower of a power plant, which solves the problem that the heat dissipation of circulating water cannot be well carried out, and comprises a heat dissipation shell, a water inlet pipeline, a water outlet pipeline and a water conveying pipeline, and a plurality of heat dissipation pipelines for cooling are connected between the water inlet pipeline and the water outlet pipeline; waste heat carried by the circulating water flows through the heat dissipation pipeline through the water inlet pipeline. According to the scheme, the multiple heat dissipation pipelines are arranged, when circulating water enters the heat dissipation shell through the water inlet pipeline, the circulating water carrying waste heat is divided into the multiple heat dissipation pipelines, the heat dissipation area of the circulating water is increased, and the heat dissipation efficiency of the circulating water is improved; the shower head can cover most positions of the heat dissipation shell, and when the shower head sprays cooling water, the shower head can rotate in the left-right direction, so that sprayed cooling water covers the interior of the heat dissipation shell more comprehensively.

Description

Technical Field

[0001] The invention relates to the technical field of circulating water cooling, and in particular to a circulating water heat dissipation device for a cooling tower in a power plant. Background Art

[0002] A cooling tower is a device that uses water as a circulating coolant to absorb heat from a system and discharge it into the atmosphere to lower the water temperature. It uses the heat exchange between water and air flow to generate steam, and the steam evaporates and takes away the heat to achieve the principles of evaporative heat dissipation, convection heat transfer and radiation heat transfer to dissipate the waste heat generated in industry or refrigeration and air conditioning to lower the water temperature. The device is generally barrel-shaped, hence the name cooling tower.

[0003] The conventional cooling method is to sprinkle cooling water on the cooling pipe carrying waste heat. However, when the diameter of the cooling pipe is too large, the water near the center of the pipe cannot be fully cooled, resulting in a low cooling effect. In addition, in a cooling tower, the conventional sprinkler device is fixed, while the cooling pipe runs through the cooling tower. The pipe in the cooling tower cannot fully contact the cooling water for cooling, resulting in insufficient heat dissipation of the waste heat carried by the circulating water in the cooling pipe.

[0004] Therefore, the present invention provides a circulating water heat dissipation device for a power plant cooling tower to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a circulating water heat dissipation device for a power plant cooling tower to solve the problem that the above-mentioned circulating water cannot dissipate heat well.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is:

[0007] The circulating water heat dissipation device of the cooling tower of a power plant comprises a heat dissipation shell, a water inlet pipe, a water outlet pipe and a water delivery pipe. A plurality of heat dissipation pipes for cooling are connected between the water inlet pipe and the water outlet pipe. The waste heat carried by the circulating water flows through the heat dissipation pipe through the water inlet pipe. The plurality of heat dissipation pipes are located in the heat dissipation shell, and the cooling water is delivered through the water delivery pipe.

[0008] A translation mechanism for cooling is provided on the outside of the heat dissipation pipe, the translation mechanism comprises a sliding ring and a driving shaft arranged on the top of the heat dissipation housing, a reduction shaft is connected to the bottom of the driving shaft, and the sliding ring is arranged on the outside of the heat dissipation pipe;

[0009] A plurality of cooling pipes are arranged above the heat dissipation pipe, and the plurality of cooling pipes are communicated with the water supply pipe. A shower head is connected below the cooling pipe. A swing mechanism is arranged in the heat dissipation shell, and the swing mechanism is used to control the swing of the shower head. The swing mechanism includes a swing shaft rotatably connected below the cooling pipe.

[0010] Preferably, a first fan is provided at the top of the heat dissipation housing, and second fans are provided on the side walls of the heat dissipation housing on both sides opposite to the bottom, and the first fan and the second fan are used to discharge water vapor generated by heat dissipation in the heat dissipation housing;

[0011] An air outlet is provided at the top of the heat dissipation shell, and air inlets are provided on the side walls on opposite sides of the heat dissipation shell near the bottom. The first fan is rotated by a driving shaft, and the driving shaft is arranged in the air outlet. The second fan is arranged in the air inlet.

[0012] Preferably, a differential is provided inside the heat dissipation housing, the bottom end of the drive shaft is connected to the input end of the differential, the output end of the differential is fixedly connected to the reduction shaft, and the differential is used to reduce the rotation speed of the reduction shaft.

[0013] Preferably, the inner side wall of the heat dissipation housing is fixedly connected with a sliding shaft, a driving rack is slidably connected to the sliding shaft, and a reset spring is sleeved on the outer side wall of the sliding shaft, and the reset spring is used to reset the driving rack after movement;

[0014] The outer wall of the reduction shaft is fixedly connected with a mounting rod, and a pushing rod is provided on the side of the driving rack close to the reduction shaft. When the mounting rod rotates, it will contact the pushing rod and push the pushing rod a short distance along the setting direction of the sliding shaft.

[0015] Preferably, the bottom end of the cooling tube is fixedly connected with a connecting plate, the swing shaft is rotatably connected to the connecting plate, the end of the swing shaft close to the driving rack is fixedly connected with a swing member, the swing member is provided with a gear ring, and the gear ring and the driving rack are meshed with each other;

[0016] The shower head is fixedly connected to the swing shaft, a rubber hose is arranged at the water outlet of the cooling pipe, and one end of the rubber hose for spraying water is connected to the shower head.

[0017] Preferably, the heat dissipation pipe is composed of a plurality of straight sections and a corresponding number of curved sections, the sliding rings are arranged on the straight sections, and the plurality of sliding rings are connected to each other;

[0018] The inner side wall of the heat dissipation housing is fixedly connected to a guide shaft, the outer side wall of the guide shaft is slidably connected to a moving rod body, a plurality of partition frames are fixedly connected to the moving rod body, the number of the partition frames corresponds to the number of the straight segments, and a sliding rod is fixedly connected to the sliding ring, and the sliding rod is slidably connected in the partition frame;

[0019] A fixed spring is arranged between the sliding rod and the inner wall of the partition frame. The initial length of each fixed spring is different, and the sliding rings at multiple levels are staggered by the fixed springs.

[0020] Preferably, a water collecting funnel is provided at the top of the sliding ring, and a plurality of water flow outlets are opened near the bottom of the sliding ring, and the water flow outlets are arranged at positions of the heat dissipation pipe near the lower end side wall.

[0021] Preferably, the bottom end of the deceleration shaft is fixedly connected with a pushing ring, the bottom end of the pushing ring is fixedly connected with a pushing shaft, the movable rod body is fixedly connected with a pushing frame, and the inner side wall of the pushing frame is slidably connected with the outer side wall of the pushing shaft.

[0022] Preferably, a water distribution block and a water collection block are provided inside the heat dissipation shell, and the head end and tail end of the heat dissipation pipe are respectively communicated with the water distribution block and the water collection block, the water distribution block is used to disperse the water in the water inlet pipe into multiple heat dissipation pipes, and the water collection block is used to collect the water in the heat dissipation pipe into the water outlet pipe.

[0023] Preferably, the bottom of the heat dissipation housing is funnel-shaped, a collecting pipe for collecting unevaporated cooling water is provided at the bottom of the heat dissipation housing, and a plurality of supporting legs are provided at the bottom of the heat dissipation housing.

[0024] The beneficial effects of the present invention are:

[0025] 1. This solution provides multiple heat dissipation pipes, which can divert the circulating water carrying waste heat into multiple heat dissipation pipes when the circulating water enters the heat dissipation shell through the water inlet pipe, thereby increasing the heat dissipation area of ​​the circulating water and improving the heat dissipation efficiency of the circulating water.

[0026] 2. This solution can cover most of the heat dissipation housing by setting up multiple shower heads, and can rotate left and right when the shower heads spray cooling water, so that the cooling water can more comprehensively cover the interior of the heat dissipation housing.

[0027] 3. This solution provides a sliding ring, which can move left and right when the shower head is spraying water, so that the collected cooling water can contact the outer wall of the heat dissipation pipe, thereby extending the contact time between the cooling water and the heat dissipation pipe, thereby dissipating heat more effectively.

[0028] 4. This solution provides multiple fixed springs of different lengths, which can stagger the sliding rings at multiple levels during their movement, making it easier for the water collecting funnel to collect the spilled cooling water more efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the structure of the present invention.

[0030] Figure 2 It is a cross-sectional view of the present invention.

[0031] Figure 3 It is a schematic diagram of the structure of the water delivery pipeline and the cooling pipe of the present invention.

[0032] Figure 4 For the present invention Figure 1 Enlarged view of point A in the middle.

[0033] Figure 5 It is a schematic diagram of the position of the reduction shaft of the present invention.

[0034] Figure 6 This is a schematic diagram of the position of the push ring in the heat dissipation housing of the present invention.

[0035] Figure 7 It is a schematic diagram of the arrangement of multiple heat dissipation pipes of the present invention.

[0036] Figure 8 It is a schematic diagram of the arrangement of multiple sliding rings of the present invention.

[0037] Fig. 9 It is a structural schematic diagram of the partition frame of the present invention.

[0038] Fig.10 It is a schematic diagram of the positions of the straight section and the curved section of the present invention.

[0039] In the figure: 1, heat dissipation housing; 2, water inlet pipe; 3, water delivery pipe; 4, collection pipe; 5, support leg; 6, air outlet; 7, air inlet; 8, second fan; 9, first fan; 10, drive shaft; 11, differential; 12, reduction shaft; 13, mounting rod; 14, cooling pipe; 15, sliding shaft; 16, return spring; 17, drive rack; 18, swing shaft; 19, swing member; 20, connecting plate ; 21. Shower head; 22. Push rod; 23. Rubber hose; 24. Water distribution block; 25. Heat dissipation pipe; 2501. Straight section; 2502. Curved section; 26. Sliding ring; 27. Water collecting funnel; 28. Moving rod body; 29. ​​Partition frame; 30. Guide shaft; 31. Sliding rod; 32. Fixed spring; 33. Water outlet; 34. Water collecting block; 35. Water outlet pipe; 36. Push ring. DETAILED DESCRIPTION

[0040] The following will refer to the attached Figures 1 to 10 The embodiments of the present invention are described in detail. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0041] Power plant cooling tower circulating water heat dissipation device, such as attached Figure 1 -Attached Fig.10 The heat dissipation device comprises a heat dissipation housing 1, a water inlet pipe 2, a water outlet pipe 35 and a water delivery pipe 3. A plurality of heat dissipation pipes 25 for cooling are connected between the water inlet pipe 2 and the water outlet pipe 35. Waste heat carried by circulating water flows through the heat dissipation pipe 25 through the water inlet pipe 2. The plurality of heat dissipation pipes 25 are located in the heat dissipation housing 1. Cooling water is delivered through the water delivery pipe 3.

[0042] The circulating water carrying waste heat is distributed to a plurality of heat dissipation pipes 25 through the water delivery pipe 3, thereby increasing the heat dissipation area of ​​the circulating water. The cooling water is sprinkled on the outer surface of the heat dissipation pipe 25, thereby achieving a cooling effect.

[0043] A first fan 9 is provided at the top of the heat dissipation housing 1, and second fans 8 are provided on the side walls of the heat dissipation housing 1 on opposite sides near the bottom. The first fan 9 and the second fan 8 are used to discharge the water vapor generated by heat dissipation in the heat dissipation housing 1. The specific method is: the two second fans 8 at the bottom will blow air into the heat dissipation housing 1, and the blowing direction of the first fan 9 is from bottom to top, which can drive the air flow to pass through the heat dissipation housing 1 quickly, so that the water vapor generated when the condensed water contacts the heat dissipation pipe 25 can be discharged to the outside of the heat dissipation housing 1 through the air outlet 6, preventing the water vapor from accumulating in the heat dissipation housing 1, and achieving a certain cooling effect.

[0044] An air outlet 6 is provided at the top of the heat dissipation housing 1, and air inlets 7 are provided on the side walls of the heat dissipation housing 1 on opposite sides near the bottom. The first fan 9 is rotated by the driving shaft 10, and the driving shaft 10 is arranged in the air outlet 6, and the second fan 8 is arranged in the air inlet 7. The driving shaft 10 is a driving source, which can drive the first fan 9 to rotate.

[0045] Example 1

[0046] A differential 11 is provided inside the heat dissipation housing 1, the bottom end of the drive shaft 10 is connected to the input end of the differential 11, and the output end of the differential 11 is fixedly connected to the reduction shaft 12, and the differential 11 is used to reduce the rotation speed of the reduction shaft 12. When the drive shaft 10 drives the first fan 9, its rotation speed is relatively fast, and the differential 11 is provided to reduce the rotation speed of the reduction shaft 12 when the drive shaft 10 drives the reduction shaft 12 to rotate.

[0047] A plurality of cooling pipes 14 are arranged above the heat dissipation pipe 25, and the plurality of cooling pipes 14 are all connected to the water delivery pipe 3. A shower head 21 is connected below the cooling pipe 14. A swing mechanism is arranged in the heat dissipation housing 1, and the swing mechanism is used to swing the shower head 21. The swing mechanism includes a swing shaft 18 rotatably connected below the cooling pipe 14. The shower head 21 is used to control the cooling water to be sprayed over a larger area, which is a common method.

[0048] Refer to the attached Figure 3 -Attached Figure 4 The inner wall of the heat dissipation shell 1 is fixedly connected with a sliding shaft 15, and a driving rack 17 is slidably connected to the sliding shaft 15. A reset spring 16 is sleeved on the outer wall of the sliding shaft 15, and the reset spring 16 is used to reset the driving rack 17 after the movement; the setting direction of the sliding shaft 15 is the sliding direction of the driving rack 17, and through the set reset spring 16, when the mounting rod 13 contacts and pushes the pushing rod 22, the corresponding driving rack 17 can be reset through the reset spring 16, which is convenient for the next movement.

[0049] The outer wall of the reduction shaft 12 is fixedly connected with the mounting rod 13, and the driving rack 17 is provided with a push rod 22 on the side close to the reduction shaft 12. When the mounting rod 13 rotates, it will contact with the push rod 22 and push the push rod 22 a short distance along the setting direction of the sliding shaft 15. When the reduction shaft 12 rotates, it will drive the mounting rod 13 to rotate. During the rotation process, the mounting rod 13 will contact with the two push rods 22. After the two contact, the mounting rod 13 will push the push rod 22. Because the sliding direction of the push rod 22 is consistent with the setting direction of the sliding shaft 15, the push rod 22 will be pushed to move a short distance during the rotation of the mounting rod 13, and then it will be separated from the push rod 22 when the mounting rod 13 continues to rotate. At this time, the push rod 22 will be reset under the action of the reset spring 16.

[0050] The bottom end of the cooling tube 14 is fixedly connected with a connecting plate 20, and the swing shaft 18 is rotatably connected to the connecting plate 20. The end of the swing shaft 18 close to the driving rack 17 is fixedly connected with a swing member 19, and a gear ring is provided on the swing member 19, and the gear ring and the driving rack 17 are meshed with each other. As mentioned above, when the push rod 22 moves, the driving rack 17 is driven to move synchronously, so that the swing member 19 is rotated, thereby controlling the swing shaft 18 to rotate at a small angle. When the swing shaft 18 rotates, it drives the shower head 21 connected thereto to swing at a small angle, thereby increasing the water spraying area of ​​the shower head 21, so that the cooling water spraying covers the inside of the heat dissipation housing 1 more comprehensively.

[0051] The shower head 21 is fixedly connected to the swing shaft 18, and a rubber hose 23 is provided at the water outlet of the cooling pipe 14, and one end of the rubber hose 23 for spraying water is connected to the shower head 21. The rubber hose 23 is used to connect the cooling pipe 14 and the shower head 21, wherein the rubber hose 23 is stretchable and deformable, which is a conventional technology and will not be described.

[0052] Example 2

[0053] A translation mechanism for cooling is provided on the outside of the heat dissipation pipe 25, and the translation mechanism includes a sliding ring 26 and a driving shaft 10 arranged on the top of the heat dissipation housing 1, and a reduction shaft 12 is connected to the bottom of the driving shaft 10, and the sliding ring 26 is arranged on the outside of the heat dissipation pipe 25;

[0054] See attached Figure 7 The heat dissipation pipe 25 is composed of a plurality of straight sections 2501 and a corresponding number of curved sections 2502. The sliding rings 26 are arranged on the straight sections 2501, and the plurality of sliding rings 26 are interconnected. By setting in this way, the flow time of the circulating water in the heat dissipation pipe 25 can be greatly extended, and the contact time between the cooling water and the heat dissipation pipe 25 can be increased.

[0055] See attached Figure 8 The inner wall of the heat dissipation housing 1 is fixedly connected with a guide shaft 30, and the outer wall of the guide shaft 30 is slidably connected with a moving rod body 28. A plurality of partition frames 29 are fixedly connected to the moving rod body 28, and the number of the partition frames 29 corresponds to the number of the straight sections 2501. A sliding rod 31 is fixedly connected to the sliding ring 26, and the sliding rod 31 is slidably connected in the partition frame 29. The sliding rod 31 can slide along the limited direction and limited distance of the partition frame 29. The setting direction of the guide shaft 30 corresponds to the sliding direction of the moving rod body 28.

[0056] See attached Fig. 9 A fixed spring 32 is provided between the sliding rod 31 and the inner side wall of the partition frame 29. The initial length of each fixed spring 32 is different. The sliding rings 26 at multiple levels are staggered by the fixed springs 32. A water collecting funnel 27 is provided at the top of the sliding ring 26. A plurality of water flow ports 33 are provided near the bottom of the sliding ring 26. The water flow ports 33 are provided near the lower end side wall of the heat dissipation pipe 25. The moving speed of the plurality of sliding rings 26 is relatively slow. Even if the moving rod 28 drives the sliding rings 26 at multiple levels to move, its acceleration will not have a significant impact on the fixed springs 32, and the sliding rings 26 at multiple levels can still be staggered. In addition, the water collecting funnel 27 is provided to collect the spilled cooling water, so that the cooling water passes through the surface of the straight section 2501 and then flows downward through the water outlet 33, thereby achieving a better cooling effect, and cooling the heat dissipation pipe 25 on the straight section 2501. In addition, this method has a wider coverage area and a better heat dissipation effect.

[0057] The bottom end of the reduction shaft 12 is fixedly connected with a push ring 36 , the bottom end of the push ring 36 is fixedly connected with a push shaft 38 , the moving rod body 28 is fixedly connected with a push frame 37 , and the inner side wall of the push frame 37 is slidably connected with the outer side wall of the push shaft 38 .

[0058] Refer to the attached Figure 8 and attached Fig. 9 When the above-mentioned reduction shaft 12 rotates, it will drive the pushing ring 36 to rotate, thereby driving the pushing shaft 38 to rotate. When the pushing shaft 38 rotates, because the pushing frame 37 is fixedly connected to the moving rod body 28, the sliding direction of the pushing frame 37 is also consistent with the setting direction of the guide shaft 30. In the process of rotation of the pushing shaft 38, the pushing frame 37 will be driven to move repeatedly along the setting direction of the guide shaft 30, thereby driving the corresponding moving rod body 28 to move. The moving rod body 28 will drive multiple pushing frames 37 to move. Since the fixed spring 32 has a certain driving force, it will also push the sliding rings 26 on multiple levels to move, so that the sliding ring 26 moves on the straight section 2501. During the movement, the collected cooling water will contact the surface of the heat dissipation pipe 25, thereby better playing a role in heat dissipation.

[0059] When the sliding ring 26 moves to the left or right end, the fixed springs 32 of different lengths will be compressed first to ensure that the sliding rings 26 on different levels can move a complete straight segment 2501. When the sliding ring 26 moves in the opposite direction, the fixed spring 32 will be reset due to the elasticity, so that the sliding rings 26 on multiple levels can be staggered to ensure the heat dissipation efficiency.

[0060] A water distribution block 24 and a water collection block 34 are provided inside the heat dissipation housing 1. The head end and the tail end of the heat dissipation pipe 25 are respectively connected to the water distribution block 24 and the water collection block 34. The water distribution block 24 is used to disperse the water in the water inlet pipe 2 into multiple heat dissipation pipes 25, and the water collection block 34 is used to collect the water in the heat dissipation pipe 25 into the water outlet pipe 35. The bottom of the heat dissipation housing 1 is funnel-shaped, and a collection pipe 4 for collecting unevaporated cooling water is provided at the bottom of the heat dissipation housing 1. The bottom of the heat dissipation housing 1 is provided with a plurality of supporting legs 5. The water distribution block 24 and the water collection block 34 are both prior art and are not described here.

[0061] Through the funnel-shaped setting at the bottom of the heat dissipation shell 1, the unevaporated cooling water can be discharged through the collecting pipe 4, so that the cooling water in the heat dissipation shell 1 will not accumulate, and the unevaporated cooling water can also take away part of the heat, which has a better heat dissipation effect.

[0062] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0063] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A circulating water heat dissipation device for a cooling tower in a power plant, comprising a heat dissipation housing (1), a water inlet pipe (2), a water outlet pipe (35) and a water delivery pipe (3), characterized in that: A plurality of heat dissipation pipes (25) for cooling are connected between the water inlet pipe (2) and the water outlet pipe (35); waste heat carried by the circulating water flows through the heat dissipation pipes (25) via the water inlet pipe (2); the plurality of heat dissipation pipes (25) are located in the heat dissipation housing (1); and cooling water is transported via the water delivery pipe (3); A translation mechanism for cooling is provided on the outside of the heat dissipation pipe (25), the translation mechanism comprising a sliding ring (26) and a driving shaft (10) arranged on the top of the heat dissipation housing (1), a reduction shaft (12) is transmission-connected below the driving shaft (10), and the sliding ring (26) is arranged on the outside of the heat dissipation pipe (25); A plurality of cooling tubes (14) are arranged above the heat dissipation pipe (25), and the plurality of cooling tubes (14) are all in communication with the water delivery pipe (3). A shower head (21) is connected below the cooling tube (14). A swing mechanism is arranged inside the heat dissipation housing (1), and the swing mechanism is used to swing the shower head (21). The swing mechanism comprises a swing shaft (18) rotatably connected below the cooling tube (14).

2. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: A first fan (9) is provided at the top of the heat dissipation housing (1), and second fans (8) are provided on the side walls of the heat dissipation housing (1) on both sides opposite to the bottom, wherein the first fan (9) and the second fan (8) are used to discharge water vapor generated in the heat dissipation housing (1) due to heat dissipation; An air outlet (6) is provided at the top of the heat dissipation housing (1), and air inlets (7) are provided on the side walls on opposite sides of the heat dissipation housing (1) near the bottom. The first fan (9) is driven to rotate by a driving shaft (10), and the driving shaft (10) is arranged in the air outlet (6), and the second fan (8) is arranged in the air inlet (7).

3. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: A differential (11) is provided inside the heat dissipation housing (1), the bottom end of the drive shaft (10) is connected to the input end of the differential (11), the output end of the differential (11) is fixedly connected to the reduction shaft (12), and the differential (11) is used to reduce the rotation speed of the reduction shaft (12).

4. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: The inner side wall of the heat dissipation housing (1) is fixedly connected with a sliding shaft (15), a driving rack (17) is slidably connected to the sliding shaft (15), and a return spring (16) is sleeved on the outer side wall of the sliding shaft (15), and the return spring (16) is used to return the driving rack (17) after moving; The outer wall of the deceleration shaft (12) is fixedly connected with a mounting rod (13); a pushing rod (22) is provided on a side of the driving rack (17) close to the deceleration shaft (12); when the mounting rod (13) rotates, it contacts the pushing rod (22) and pushes the pushing rod (22) a short distance along the setting direction of the sliding shaft (15).

5. The circulating water heat dissipation device for cooling tower of power plant according to claim 4, characterized in that: The bottom end of the cooling tube (14) is fixedly connected to a connecting plate (20), the swing shaft (18) is rotatably connected to the connecting plate (20), one end of the swing shaft (18) close to the driving rack (17) is fixedly connected to a swing member (19), the swing member (19) is provided with a gear ring, and the gear ring and the driving rack (17) are meshed with each other; The shower head (21) is fixedly connected to the swing shaft (18); a rubber hose (23) is provided at the water outlet end of the cooling pipe (14); and one end of the rubber hose (23) for spraying water is connected to the shower head (21).

6. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: The heat dissipation pipe (25) is composed of a plurality of straight sections (2501) and a corresponding number of curved sections (2502); the sliding ring (26) is arranged on the straight section (2501), and the plurality of sliding rings (26) are connected to each other; The inner wall of the heat dissipation housing (1) is fixedly connected to a guide shaft (30), the outer wall of the guide shaft (30) is slidably connected to a moving rod body (28), a plurality of partition frames (29) are fixedly connected to the moving rod body (28), the number of the partition frames (29) corresponds to the number of the straight sections (2501), and a sliding rod (31) is fixedly connected to the sliding ring (26), and the sliding rod (31) is slidably connected in the partition frame (29); A fixing spring (32) is arranged between the sliding rod (31) and the inner side wall of the partition frame (29). The initial length of each fixing spring (32) is different. The sliding rings (26) at multiple levels are staggered by the fixing springs (32).

7. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: A water collecting funnel (27) is provided at the top of the sliding ring (26), and a plurality of water flow openings (33) are provided near the bottom of the sliding ring (26). The water flow openings (33) are arranged near the lower end side wall of the heat dissipation pipe (25).

8. The circulating water heat dissipation device for cooling tower of power plant according to claim 6, characterized in that: The bottom end of the deceleration shaft (12) is fixedly connected to a pushing ring (36), the bottom end of the pushing ring (36) is fixedly connected to a pushing shaft (38), the moving rod body (28) is fixedly connected to a pushing frame (37), and the inner side wall of the pushing frame (37) is slidably connected to the outer side wall of the pushing shaft (38).

9. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: A water distribution block (24) and a water collection block (34) are provided inside the heat dissipation housing (1); the head end and the tail end of the heat dissipation pipe (25) are respectively connected to the water distribution block (24) and the water collection block (34); the water distribution block (24) is used to distribute water in the water inlet pipe (2) to a plurality of heat dissipation pipes (25); and the water collection block (34) is used to collect water in the heat dissipation pipe (25) into the water outlet pipe (35).

10. The circulating water heat dissipation device for cooling tower of power plant according to claim 1, characterized in that: The bottom of the heat dissipation housing (1) is funnel-shaped, a collecting pipe (4) for collecting unevaporated cooling water is provided at the bottom of the heat dissipation housing (1), and a plurality of supporting legs (5) are provided at the bottom of the heat dissipation housing (1).

Images