1. Improvement of heat dissipation efficiency: The existence of air ring can guide air to the fan and increase the heat dissipation efficiency of the fan. The wind ring can help to concentrate the direction of airflow and guide more air to the fan blades, thus improving the heat dissipation effect.
2. Air flow control: The air ring can restrict air from entering the fan from the side or other non-heat dissipation directions, so that the air flow is more concentrated. This ensures that the fan blows more cold air through the engine, thus providing more effective heat dissipation.
3. Prevention of injury and damage: The wind ring can provide some protection to prevent fingers, tools or other objects from accidentally contacting the rotating blades. This can reduce accidental injuries and damage to fan blades.
4. Air flow balance: The air ring can also help balance the air flow around the fan and prevent the air flow from being excessively turbulent or unstable. This is helpful to improve the working efficiency and heat dissipation effect of the fan. To sum up, installing the air ring can improve the heat dissipation efficiency of the fan in the freight car water tank, control the air flow, prevent injury and damage, and provide air flow balance. Therefore, in order to ensure the normal operation and the best performance of the fan, it is suggested to install a suitable air ring when using the fan of freight car water tank.