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Axial flow is the airflow in the same direction as the axis of the blade. Centrifugal, centrifugal force to shake off the air.
Difference between axial fan and centrifugal fan produced by Zhangdian Xinyuan Heating and Cooling Fan Factory
The flow direction of the wind is parallel to the shaft and it is called the axial flow fan. (For example, the smoke exhaust fan for fire fighting) is the centrifugal blower instead (for example, the fan for fan coil).
The fundamental difference between axial fans and cabinet centrifugal fans is in the mechanical structure of the fan:
Axial fan blade diameter is limited to the diameter of the shell, while the centrifugal fan is not limited in this regard, you can use the blade forward or backward blade, the air volume wind pressure requirements to adapt more widely. In addition, the cabinet can be used for noise elimination and has obvious advantages in terms of noise indicators.
As the number of revolutions of the motor is generally low, the motor power is large and the power consumption is much greater. If common ventilation systems are used, cabinet-type centrifugal fans should be used as far as possible, and systems that are not commonly used for fire and smoke exhaust should be more economical and reasonable with high-temperature axial fans.
Centrifugal fans are more advantageous than axial fans in the combination of large air volume and large air pressure (mainly referring to fan efficiency and noise indicators)!
The difference between centrifugal fans and axial fans is:
1. The centrifugal fan changes the flow direction of the medium in the air duct, while the axial fan does not change the flow direction of the medium in the air duct.
2. The former has a large amount of wind and wind pressure, and the latter has a very low air volume and wind pressure.
3, the former is more complex to install, the latter is relatively simple to install;
4. The former motor and fan are generally connected through a shaft, and the latter is generally inside the fan;
5. The former is often installed at the inlet and outlet of air-conditioning units, boiler drums, induced draft fans, etc. The latter is often installed in the air duct or at the front end of the air duct outlet.
January 18, 2024