Function of a Centrifugal Fan

Jan 05, 2026

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The diffusion motion of gas within the impeller increases its velocity. The gas then flows through guide vanes, which convert some of the deflected kinetic energy into static pressure energy, allowing the gas to enter the diffuser at a specific speed and direction. In the diffuser, the gas velocity decreases, the pressure increases further, and it is finally discharged from the fan outlet. The rotation of the impeller is crucial in this process, determining the degree of gas acceleration and pressurization.

 

Functional Characteristics

High Efficiency: Centrifugal fans can generate high air pressure and volume, suitable for applications requiring large air volumes and high pressures, such as ventilation in large industrial plants.

 

Good Stability: Their compact structure ensures smooth operation, low vibration, and low noise, enabling long-term stable operation and reducing maintenance costs.

 

Convenient Adjustment: By changing the impeller speed or adjusting the angle of the inlet guide vanes, the fan's air volume and pressure can be easily adjusted to meet the needs of different operating conditions.

 

Wide range of applications: Centrifugal fans can be used to transport various media such as air, flue gas, and corrosive gases, adapting to the needs of different industries.

When selecting a centrifugal fan, it is necessary to consider parameters such as air volume, air pressure, power, and efficiency, as well as factors such as the temperature, humidity, and corrosiveness of the operating environment. At the same time, relevant industry standards should be followed. This corrosion-resistant and explosion-proof centrifugal fan has a power of 7.5kW, an air volume of 5000m³/h, and excellent corrosion and explosion-proof performance, making it suitable for various industrial environments.

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