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    Axial fan

    Product description
    Axial fan, the use of a very wide range, that is, with the fan axis of the same direction of the air, such as electric 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 often 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.
    working principle
    When the impeller rotates, the gas enters the impeller axially from the air inlet and is pushed by the blades on the impeller to raise the energy of the gas and then into the guide vanes. 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 may rotate about its longitudinal axis. The angle of the blade and the airflow or the spacing of the blades can be adjustable or adjustable. Changing the blade angle or spacing is one of the main advantages of an axial fan. The small blade spacing angle produces a lower flow rate, while increasing the pitch produces 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.