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Axial Flow Fan Use Very Widely
Jul 05, 2017

Axial Flow Fan Use very widely

Axial fan, the use of a very wide range, that is, with the fan axis of the same direction of the air, such as fans, air conditioning fan is the way the fan running fan. It is called "axial flow" because the gas flows parallel to the fan shaft. Axial fans are usually used in situations where the flow rate is high and the pressure is low. The axial fan is fixed and moves the air. Axial fans are mainly composed of fan impellers and housings. The structure is simple but the data is very high.

Simple description

Ordinary axial fans can be used in general factories, warehouses, offices, residential and other places of ventilation, can also be used for chillers (air coolers), evaporators, condensers, spray down, etc., there are mining shaft Flow fan,

Anti-corrosion, explosion-proof axial fan with anti-corrosion materials and explosion-proof measures, and match the explosion-proof motor can be used to transport explosive, volatile, corrosive gas,

Require the axial flow of the fan should be no significant dust, no sticky and fiber material; motor direct-type temperature does not exceed 40 ℃, belt drive type temperature does not exceed 60 ℃. The amount of dust transported to the gas shall not exceed 150mg / m3,

Axial fan is mainly composed of impeller, housing, motor and other components, the use of steel and the stent duct connection. One of the anti-corrosion type axial fan impeller, the chassis are made of glass fiber reinforced plastic, other types of axial fans are generally made of steel.

working principle

When the impeller rotates, the gas enters the impeller from the air inlet in the axial direction, and the energy of the gas is raised by the pushing of the blade on the impeller and then flows into the guide vane. The guide vanes change the deflected airflow into axial flow and introduce the gas into the diffuser tube, further converting the kinetic energy of the gas into pressure energy, and finally introducing the working line.

Axial fan blades work in much the same way as aircraft wings. However, the latter is to lift the lift on the wing and support the weight of the aircraft, while the axial fan is fixed position and the air to move.

The cross-section of an axial fan is generally a wing profile. The blade may be fixed in position or rotatable about its longitudinal axis. The angle of the blade and the air flow or the spacing of the blades can be adjustable or adjustable. Changing the blade angle or spacing is one of the main advantages of axial fans. The small blade spacing angle produces a lower flow rate, while increasing the pitch can produce a higher flow rate.

The advanced axial fan can change the blade pitch (which is quite similar to the helicopter rotor) while the fan is running, thereby changing the flow accordingly. This is called an adjustable blade (VP) axial fan.


Axial fans, also known as local fans, is commonly used in industrial and mining enterprises a fan, but different from the general fan of its motor and fan are in a cylinder, the shape is a cylindrical, for local ventilation, easy installation, Ventilation effect is obvious, safe, you can connect the wind blower to the designated area.

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