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The noise control of cooling towers is an important issue in industrial and urban development. Regarding how to effectively reduce noise in cooling towers, the following are some specific measures and suggestions:
1. Choose a large-diameter low-speed fan system: By increasing the diameter of the fan impeller and reducing the speed, the circumferential speed of the fan can be reduced, thereby achieving the effect of reducing fan noise.
2. Optimize blade design: Use broad-leaved blades with large circular arc transitions and wing shaped blades to help reduce airflow disturbances and thus reduce noise.
3. Improve component processing and installation accuracy: Improving the processing and installation accuracy of cooling tower components, as well as enhancing the balance accuracy of fan rotors, is beneficial for reducing vibration and noise caused by fans.
4. Increase ventilation surface: By increasing the circumference of the air inlet and reducing the height of the air inlet, the water drop can be reduced, making the water droplets finer and thus reducing the water spray noise.
5. Add sound-absorbing materials and components: Hanging "snowflakes" helps refine water droplets and reduce the impact noise of falling water; Laying soft plastic can reduce the impact noise of falling water; The use of belt reducers can reduce the mechanical noise of the fan system.