A water-circulating cooling tower
By introducing a cooling and turbulence-inducing mechanism into the cooling tower, the problem of rising circulating cooling water temperature was solved, achieving efficient cooling and uniform cooling of the cooling water, thus improving cooling efficiency and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN HUADIAN CHANGDE POWER GENERATION CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-06-26
AI Technical Summary
The cooling water circulating in existing cooling towers gradually increases in temperature due to direct contact with high-temperature coils, resulting in decreased heat exchange efficiency and affecting cooling capacity and effective service life.
By employing a cooling mechanism and a turbulence-dispersing mechanism, and through the combined design of impeller, bevel gear, fan blade and turbulence plate, the cooling water is cooled and the air is diffused evenly, thereby improving cooling efficiency.
It significantly extends the effective service life of cooling water, improves heat exchange efficiency, and ensures that the system maintains optimal cooling performance continuously.
Smart Images

Figure CN224415805U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooling tower technology, and in particular to a water-circulating cooling tower. Background Technology
[0002] Cooling towers are heat exchange devices widely used in industrial and HVAC systems. They are mainly used to transfer the heat of high-temperature liquids to the atmosphere through water-air contact, thereby achieving cooling.
[0003] A closed-loop cooling tower uses a spray system to evenly spray cooling water onto the outer surface of the coils, utilizing evaporation and convection heat transfer to lower the temperature of the high-temperature liquid inside the coils. After heat exchange, the sprayed water falls into a collection tank and is then pumped back to the spray system for reuse, thereby reducing water consumption.
[0004] Although the recirculation of spray water can save water significantly, the direct contact between the cooling water and the high-temperature coils causes the cooling water to gradually increase in temperature due to the absorption of heat from the coils. This reduces the temperature difference between the cooling water and the air, decreases the heat exchange efficiency, and consequently affects the cooling capacity of the coils, reducing the effective service life of the cooling water. Therefore, a water-circulating cooling tower is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a water-circulating cooling tower, which aims to improve the problem mentioned in the prior art that "the cooling effect of the circulating cooling water will gradually decrease".
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a water-circulating cooling tower, comprising a shell, a circulating pump fixedly connected to the outer wall of the shell, an inlet pipe fixedly connected to the input end of the circulating pump, an outlet pipe fixedly connected to the output end of the circulating pump, a connecting pipe fixedly connected to the outer wall of the outlet pipe, a nozzle fixedly connected to the bottom of the connecting pipe, a coil fixedly connected to the inner wall of the shell, a heat dissipation vent provided on the outer wall of the shell, and a cooling mechanism and a turbulence turbulence mechanism provided inside the shell;
[0007] The cooling mechanism includes a rotating rod, one end of which is rotatably connected to the inner wall of the housing, and the other end of which passes through a water inlet pipe and is fixedly connected to a bevel gear. An impeller is fixedly connected to the outer wall of the rotating rod, and a fixed frame is fixedly connected to the inner wall of the housing. A transmission rod passes through and is rotatably connected to the inner wall of the fixed frame. A fan blade is fixedly connected to one end of the transmission rod, and a bevel gear is fixedly connected to the other end of the transmission rod.
[0008] As a further description of the above technical solution:
[0009] The aerodynamic mechanism includes a spoiler plate that extends through and is hinged to the inner wall of the fixed frame.
[0010] As a further description of the above technical solution:
[0011] A sliding plate is slidably connected to the outer wall of the fixed frame, and a protrusion is fixedly connected to the side of the spoiler near the fan blade.
[0012] As a further description of the above technical solution:
[0013] A connecting rod is hinged to the upper surface of the slide plate, and the end of the connecting rod away from the slide plate is hinged to the bottom of the protrusion.
[0014] As a further description of the above technical solution:
[0015] The inner wall of the slide plate has a through groove.
[0016] As a further description of the above technical solution:
[0017] An eccentric wheel is fixedly connected to the outer wall of the transmission rod, and the side wall of the eccentric wheel is attached to the inner wall of the through groove.
[0018] As a further description of the above technical solution:
[0019] The first bevel gear meshes with the second bevel gear, and the impeller is located inside the water inlet pipe.
[0020] As a further description of the above technical solution:
[0021] The coil is a spiral-shaped tubular structure, and the diameter of the coil gradually increases from top to bottom.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, by setting up a cooling mechanism, the cooling water falling down can be cooled while the water is circulating, which significantly extends the effective service life of the cooling water and effectively alleviates the problem of excessively rapid temperature rise caused by the continuous heat absorption of cooling water in traditional systems. It fundamentally avoids the decay of heat exchange efficiency caused by excessively rapid water temperature rise and ensures that the system continuously maintains optimal cooling performance.
[0024] 2. In this utility model, the flow guiding mechanism allows cold air to diffuse evenly inside the shell, thereby increasing the coverage of cold air and ensuring that the cooling water sprayed from the nozzle is adequately cooled, which is beneficial to improving the cooling effect of the cooling water. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0026] Figure 2 This is a cross-sectional structural diagram of the shell of this utility model;
[0027] Figure 3 This is a schematic diagram of the overall structure of the cooling mechanism of this utility model;
[0028] Figure 4 This is a cross-sectional structural diagram of the water inlet pipe of this utility model;
[0029] Figure 5 This utility model Figure 3 A magnified structural diagram at point A;
[0030] Figure 6 This utility model Figure 3 A magnified structural diagram at point B.
[0031] Legend:
[0032] 1. Housing; 2. Circulating pump; 3. Inlet pipe; 4. Outlet pipe; 5. Connecting pipe; 6. Nozzle; 7. Coil; 8. Heat dissipation vent; 9. Cooling mechanism; 91. Rotating rod; 92. Bevel gear one; 93. Impeller; 94. Fixing frame; 95. Transmission rod; 96. Fan blade; 97. Bevel gear two; 10. Baffle mechanism; 101. Baffle plate; 102. Slide plate; 103. Connecting rod; 104. Eccentric wheel; 105. Through groove; 106. Protrusion. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] Reference Figures 1-3This utility model provides an embodiment of a water-circulating cooling tower, comprising a shell 1, a circulation pump 2 fixedly connected to the outer wall of the shell 1, an inlet pipe 3 fixedly connected to the input end of the circulation pump 2, and an outlet pipe 4 fixedly connected to the output end of the circulation pump 2. Activating the circulation pump 2 draws cooling water from inside the shell 1 into the outlet pipe 4 through the inlet pipe 3. A connecting pipe 5 is fixedly connected to the outer wall of the outlet pipe 4, and a nozzle 6 is fixedly connected to the bottom of the connecting pipe 5. Cooling water from inside the outlet pipe 4 enters the connecting pipe 5 and is sprayed downwards through the nozzle 6. A coil 7 is fixedly connected to the inner wall of the shell 1. The coil 7 is a spiral-shaped tubular structure, and its diameter gradually increases from top to bottom. The design of the coil 7 slows down the flow rate of the high-temperature liquid, allowing the high-temperature liquid to fully contact the coil 7 and achieve uniform cooling. A heat dissipation vent 8 is provided on the outer wall of the shell 1. While rotating, the fan blades 96 draw external cold air into the shell 1 through the heat dissipation vent 8. A cooling mechanism 9 and a turbulence-inducing mechanism 10 are provided inside the shell 1.
[0035] Reference Figure 2 and Figure 4 The cooling mechanism 9 includes a rotating rod 91. One end of the rotating rod 91 is rotatably connected to the inner wall of the housing 1, and the other end of the rotating rod 91 passes through the water inlet pipe 3 and is fixedly connected to a bevel gear 92. The rotating rod 91 is rotatably connected to the water inlet pipe 3. When the rotating rod 91 rotates, it will drive the bevel gear 92 to rotate. An impeller 93 is fixedly connected to the outer wall of the rotating rod 91. The impeller 93 is located inside the water inlet pipe 3. When the circulating pump 2 draws cooling water through the water inlet pipe 3, the cooling water enters the interior of the water inlet pipe 3 and impacts the impeller 93, thereby causing the impeller 93 to drive the rotating rod 91 to rotate inside the housing 1.
[0036] Reference Figure 2 , Figure 3 and Figure 5 A fixed frame 94 is fixedly connected to the inner wall of the housing 1. A transmission rod 95 is rotatably connected through the inner wall of the fixed frame 94. A fan blade 96 is fixedly connected to one end of the transmission rod 95. The rotation of the fan blade 96 can cool the cooling water sprayed by the nozzle 6, which helps to improve the effective service time of the cooling water. A bevel gear 97 is fixedly connected to the other end of the transmission rod 95. The first bevel gear 92 meshes with the second bevel gear 97. When the first bevel gear 92 rotates, it can drive the transmission rod 95 to rotate on the inner wall of the fixed frame 94 in conjunction with the bevel gear 97 meshing with it.
[0037] Reference Figure 3 and Figure 6The turbulence mechanism 10 includes a turbulence plate 101, which penetrates and is hinged to the inner wall of the fixed frame 94. The reciprocating rotation of the turbulence plate 101 guides the airflow from the fan blade 96 into the housing 1, allowing the cold air to diffuse evenly to both sides of the fan blade 96, thereby increasing the coverage area of the cold air. A sliding plate 102 is slidably connected to the outer wall of the fixed frame 94. A protrusion 106 is fixedly connected to the side of the turbulence plate 101 near the fan blade 96. A connecting rod 103 is hinged to the upper surface of the sliding plate 102, with the end of the connecting rod 103 away from the sliding plate 102 hinged to the bottom of the protrusion 106. The sliding plate 102, while reciprocating, is equipped with… The connecting rod 103 and the protrusion 106 can drive the spoiler 101 to reciprocate on the inner wall of the fixed frame 94. The inner wall of the slide plate 102 is provided with a through groove 105. While the eccentric wheel 104 moves back and forth against the inner wall of the through groove 105, the eccentric wheel 104 will push and pull the slide plate 102 back and forth, so that the slide plate 102 slides back and forth on the outer wall of the fixed frame 94. The outer wall of the transmission rod 95 is fixedly connected to the eccentric wheel 104. The side wall of the eccentric wheel 104 is against the inner wall of the through groove 105. When the transmission rod 95 rotates, it will drive the eccentric wheel 104 to rotate synchronously. When the eccentric wheel 104 rotates, it will move back and forth against the inner wall of the through groove 105.
[0038] Working principle: When in use, the circulation pump 2 is started to draw the cooling water inside the housing 1 into the inlet pipe 3, so that the cooling water enters the circulation pump 2 and is discharged into the outlet pipe 4. At this time, the cooling water inside the outlet pipe 4 will enter the connecting pipe 5, and finally be discharged downward through the nozzle 6. The cooling water sprayed by the nozzle 6 can cool the coil 7, and the cooling water sprayed by the nozzle 6 will drip back into the housing 1, so that the cooling water can be recycled.
[0039] While the circulating pump 2 draws cooling water through the inlet pipe 3, the cooling water entering the inlet pipe 3 impacts the impeller 93, causing the impeller 93 to drive the rotating rod 91 to rotate inside the housing 1. The rotation of the rotating rod 91 drives the first bevel gear 92 to rotate. The rotation of the first bevel gear 92, in conjunction with the second bevel gear 97 meshing with it, drives the transmission rod 95 to rotate on the inner wall of the fixed frame 94. The rotation of the transmission rod 95 drives the fan blades 96 to rotate synchronously. The rotation of the fan blades 96 draws external cold air into the housing 1 through the heat dissipation port 8 and blows it onto the cooling water sprayed by the nozzle 6, thereby cooling the cooling water and improving the effective service life of the cooling water.
[0040] While the transmission rod 95 rotates, it drives the eccentric wheel 104 to rotate synchronously. As the eccentric wheel 104 rotates, it moves back and forth against the inner wall of the through groove 105. At the same time, the eccentric wheel 104 pushes and pulls the slide plate 102 back and forth, causing the slide plate 102 to slide back and forth on the outer wall of the fixed frame 94. While the slide plate 102 slides back and forth, it pushes and pulls the connecting rod 103 back and forth, causing the connecting rod 103 to push and pull the protrusion 106 back and forth. At this time, the protrusion 106 drives the baffle 101 to rotate back and forth on the inner wall of the fixed frame 94. The back and forth rotation of the baffle 101 can guide the airflow blown by the fan blade 96 into the housing 1, so that the cold air can be evenly diffused to both sides of the fan blade 96, thereby increasing the coverage of the cold air and ensuring that the cooling water sprayed by the nozzle 6 can be fully cooled, thereby improving the cooling effect of the cooling water.
[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A water-circulating cooling tower, comprising a shell (1), characterized in that: A circulation pump (2) is fixedly connected to the outer wall of the housing (1). A water inlet pipe (3) is fixedly connected to the input end of the circulation pump (2). A water outlet pipe (4) is fixedly connected to the output end of the circulation pump (2). A connecting pipe (5) is fixedly connected to the outer wall of the water outlet pipe (4). A nozzle (6) is fixedly connected to the bottom of the connecting pipe (5). A coil (7) is fixedly connected to the inner wall of the housing (1). A heat dissipation vent (8) is opened on the outer wall of the housing (1). A cooling mechanism (9) and a turbulence turbulence mechanism (10) are provided inside the housing (1). The cooling mechanism (9) includes a rotating rod (91), one end of which is rotatably connected to the inner wall of the housing (1), the other end of which passes through the water inlet pipe (3) and is fixedly connected to a bevel gear (92), an impeller (93) is fixedly connected to the outer wall of the rotating rod (91), a fixing frame (94) is fixedly connected to the inner wall of the housing (1), a transmission rod (95) passes through and is rotatably connected to the inner wall of the fixing frame (94), a fan blade (96) is fixedly connected to one end of the transmission rod (95), and a bevel gear (97) is fixedly connected to the other end of the transmission rod (95).
2. The water-circulating cooling tower according to claim 1, characterized in that: The spoiler mechanism (10) includes a spoiler (101) that extends through and is hinged to the inner wall of the frame (94).
3. A water-circulating cooling tower according to claim 2, characterized in that: The outer wall of the fixed frame (94) is slidably connected to a sliding plate (102), and the side of the spoiler (101) near the fan blade (96) is fixedly connected to a protrusion (106).
4. A water-circulating cooling tower according to claim 3, characterized in that: A connecting rod (103) is hinged to the upper surface of the slide plate (102), and the end of the connecting rod (103) away from the slide plate (102) is hinged to the bottom of the protrusion (106).
5. A water-circulating cooling tower according to claim 3, characterized in that: The inner wall of the slide plate (102) is provided with a through groove (105).
6. A water-circulating cooling tower according to claim 1, characterized in that: An eccentric wheel (104) is fixedly connected to the outer wall of the transmission rod (95), and the side wall of the eccentric wheel (104) is attached to the inner wall of the through groove (105).
7. A water-circulating cooling tower according to claim 1, characterized in that: The first bevel gear (92) meshes with the second bevel gear (97), and the impeller (93) is located inside the water inlet pipe (3).
8. A water-circulating cooling tower according to claim 1, characterized in that: The coil (7) is a spiral tubular structure, and the diameter of the coil (7) gradually increases from top to bottom.