Dry-wet combined air cooling tower
By using a combined dry and wet cooling system, the working mode of the air cooling tower is dynamically adjusted, which solves the problem of the performance difference of traditional cooling towers under different climatic conditions, and achieves efficient, energy-saving and environmentally friendly operation, reducing moisture loss and environmental pollution.
Patent Information
- Application Number
- CN202423247792.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing air cooling towers exhibit significant performance variations under different climatic conditions, making it difficult to balance energy conservation and environmental protection. Furthermore, traditional designs are susceptible to weather conditions in humid environments, resulting in high water consumption and susceptibility to damage during cold seasons.
A combined dry and wet cooling system is adopted, including a dry cooling system and a wet cooling system. Temperature is monitored by a temperature sensor and the working mode is dynamically adjusted. Heat exchange coils, cooling fans and sprayers are used separately or simultaneously to adapt to different environments.
It achieves efficient, energy-saving, and environmentally friendly operation under different climatic conditions, reduces water loss, lowers the risk of environmental pollution, and improves the adaptability and durability of the equipment.
Smart Images
Figure CN223610631U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to air cooling tower technical field, specifically point to a dry and wet combined air cooling tower. BACKGROUND
[0002] Cooling tower is with water as circulating coolant, from a system absorbs heat and discharges to atmosphere, to reduce water temperature device, its cold is to use water and air flow contact after cold and hot exchange produces steam, steam volatilization takes away heat reaches evaporation heat dissipation, convection heat transfer and radiation heat transfer etc. Principle to scatter the heat of industry or the heat of refrigeration air conditioning to reduce water temperature evaporative heat dissipation device, to guarantee the normal operation of system.
[0003] The main single mode (dry or wet environment special) traditional air cooling device existing in the market, under different climate conditions, the performance difference is big. With the enhancement of environmental awareness and technological progress, the demand for multifunctional composite cooling equipment that can effectively operate in arid areas and is suitable for humid areas is increasing. In addition, although the traditional separate form of water chiller and air-cooled condenser can play a certain effect, but in the face of complex and changeable working conditions, the flexibility is poor, and it is difficult to meet the requirements of energy saving and environmental protection.
[0004] The dry area commonly used is closed-circuit circulating water evaporation cooling method, which reduces the gas temperature by spraying liquid to achieve cooling. The advantage is that the water consumption is small and can be recycled; however, its limitations are also obvious: when the external humidity is very high, the efficiency drops sharply or even fails, and the wet environment generally uses open natural ventilation or forced exhaust fan assisted heat dissipation to exchange heat. This way is simple in structure, low in cost and easy to maintain and manage. However, this design is easily affected by weather factors, especially in cold seasons, it may be damaged due to icing, and long-term exposure may accelerate the aging process of the components. UTILITARIAN CONTENT
[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a dry and wet combined air cooling tower which can be used separately and synchronously, thereby coping with different use states, being more energy-saving and environmentally friendly, and reducing water loss.
[0006] The technical solution adopted by this utility model is as follows: This solution includes a cooling tower, a dry cooling system, and a wet cooling system. The dry cooling system includes a heat exchange coil, a cooling fan, and an air inlet assembly. The heat exchange coil is located at the bottom of the cooling tower, and the cooling fan is located inside the cooling tower, above the heat exchange coil. The two ends of the heat exchange coil are respectively set as an inlet and an outlet. The wet cooling system includes a sprayer, a return pipe, a spray pump, and a water collection tank. The water collection tank is located at the bottom of the cooling tower, and the sprayer is located above the heat exchange coil. The spray pump is connected to the water tank, and the spray pump is connected to the sprayer through the return pipe.
[0007] Furthermore, the air intake assembly includes an opening and closing door and a hydraulic rod. The cooling tower is provided with a vent. The opening and closing door is hinged at the vent. The hydraulic rod is hinged on the cooling tower. The hydraulic rod and the opening and closing door are hinged together.
[0008] Furthermore, the heat exchange coil adopts a spiral tubular structure, and the spray nozzle is provided at the lower part of the sprayer, with the spray nozzle evenly arranged above the heat exchange coil.
[0009] Furthermore, a temperature sensor is installed inside the heat exchange coil, heat dissipation fins are installed on the heat exchange coil, heat exchange packing is installed on the outside of the heat exchange coil, and a water separator is installed at the top inside the cooling tower.
[0010] The beneficial effects of this utility model using the above structure are as follows: This solution is a dry and wet combined air cooling tower. By setting up dry and wet cooling systems, it can be used separately or simultaneously, thereby coping with different usage conditions, making it more energy-efficient and environmentally friendly, and reducing water loss. The working mode is dynamically adjusted according to real-time monitoring data to ensure that it is always within the most economical and reasonable operating range. At the same time, it also greatly reduces the environmental pollution risk caused by excessive consumption of water and electricity resources. Attached Figure Description
[0011] Fig. 1 This is a schematic diagram of the overall structure of this solution;
[0012] Fig. 2 This is a schematic diagram of the internal structure of a cooling tower;
[0013] Fig. 3 This is a magnified schematic diagram of a part of the structure of this scheme.
[0014] Among them, 1. Cooling tower, 2. Dry cooling system, 3. Wet cooling system, 4. Heat exchange coil, 5. Cooling fan, 6. Air inlet assembly, 7. Inlet, 8. Outlet, 9. Sprayer, 10. Return pipe, 11. Spray pump, 12. Water collection tank, 13. Opening and closing door, 14. Hydraulic rod, 15. Heat dissipation fins, 16. Heat exchange packing, 17. Water separator, 18. Spray nozzle.
[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0017] like Figs. 1-3 As shown, this solution includes a cooling tower 1, a dry cooling system 2, and a wet cooling system 3. The dry cooling system 2 includes a heat exchange coil 4, a cooling fan 5, and an air inlet assembly 6. The heat exchange coil 4 is located at the bottom of the cooling tower 1, and the cooling fan 5 is located inside the cooling tower 1, above the heat exchange coil 4. The two ends of the heat exchange coil 4 are respectively set as an inlet 7 and an outlet 8. The wet cooling system 3 includes a sprayer 9, a return pipe 10, a spray pump 11, and a water collection tank 12. The water collection tank 12 is located at the bottom of the cooling tower 1, the sprayer 9 is located above the heat exchange coil 4, and the spray pump 11 is connected to the water tank. The spray pump 11 is connected to the sprayer 9 through the return pipe 10.
[0018] like Figs. 1-3 As shown, the air inlet assembly 6 includes an opening / closing door 13 and a hydraulic rod 14. A vent is provided on the cooling tower 1, with the opening / closing door 13 hinged at the vent, and the hydraulic rod 14 hinged to the cooling tower 1. The hydraulic rod 14 and the opening / closing door 13 are hinged together. The heat exchange coil 4 adopts a spiral tubular structure, with spray nozzles 18 at the bottom of the sprayer 9, evenly distributed above the heat exchange coil 4. A temperature sensor is installed inside the heat exchange coil 4, and heat dissipation fins 15 are provided on the heat exchange coil 4. Heat exchange packing 16 is provided on the outside of the heat exchange coil 4, and a water separator 17 is provided at the top inside the cooling tower 1.
[0019] In practical use, when the high-temperature medium enters the heat exchange coil 4, and the temperature sensor detects that the temperature is low, the dry cooling system 2 is activated, the hydraulic rod 14 is activated to open the door 13, and the cooling fan 5 is activated to discharge high-speed airflow upwards. Through convection heat exchange, the high-temperature medium is cooled down. When the temperature sensor detects that the temperature is high, the hydraulic rod 14 is controlled to close the door 13, and the spray pump 11 is activated to spray cooling water through the sprayer 9 to exchange heat with the heat exchange coil 4. The water flows back to the water collection tank 12 for recycling. The cooling fan 5 is activated to discharge water vapor upwards, and the water is removed by the water separator 17. The airflow is discharged, reducing water loss.
[0020] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
[0021] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments to the technical solution, which should belong to the protection scope of the present application.
Claims
1. Combined wet and dry air cooling tower (1), characterized in that: The application relates to a cooling tower, which comprises a cooling tower (1), a dry cooling system (2) and a wet cooling system (3), wherein the dry cooling system (2) comprises heat exchange coils (4), cooling fans (5) and an air inlet assembly (6), the heat exchange coils (4) are arranged at the bottom of the cooling tower (1), the cooling fans (5) are arranged in the cooling tower (1) and located above the heat exchange coils (4), the wet cooling system (3) comprises sprayers (9), return pipes (10), a spraying pump (11) and a water collecting tank (12), the water collecting tank (12) is arranged at the bottom of the cooling tower (1), the sprayers (9) are arranged directly above the heat exchange coils (4), the spraying pump (11) is connected to the water collecting tank, and the spraying pump (11) is connected to the sprayers (9) through the return pipes (10).
2. The hybrid wet-dry air cooling tower (1) according to claim 1, characterized in that: The air inlet assembly (6) comprises an opening and closing door (13) and a hydraulic rod (14), the cooling tower (1) is provided with a ventilation opening, the opening and closing door (13) is hingedly arranged at the ventilation opening, and the hydraulic rod (14) is hingedly arranged on the cooling tower (1).
3. The hybrid wet-dry air cooling tower (1) according to claim 2, characterized in that: The heat exchange coils (4) adopt a spiral pipe structure, and the heat exchange coils (4) are respectively provided with an inlet (7) and an outlet (8) at two ends.
4. The hybrid wet-dry air cooling tower (1) according to claim 3, characterized in that: The sprayers (9) are provided with spraying openings (18) at lower portions, and the spraying openings (18) are uniformly arranged directly above the heat exchange coils (4).
5. The hybrid wet-dry air cooling tower (1) according to claim 4, characterized in that: The heat exchange coils (4) are provided with temperature sensors.
6. The hybrid wet-dry air cooling tower (1) according to claim 5, characterized in that: The heat exchange coils (4) are provided with heat dissipation fins (15).
7. The hybrid air cooling tower (1) according to claim 6, characterized in that: The heat exchange coils (4) are provided with heat exchange fillers (16) outside.
8. The hybrid wet-dry air cooling tower (1) according to claim 7, characterized in that: The cooling tower (1) is provided with a water remover (17) at an upper portion.