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Introduction to the use of mixed-flow fans
What is a mixed-flow fan? A mixed-flow fan is a fan between an axial fan and a centrifugal fan. The impeller of a mixed-flow fan allows air to perform both centrifugal and axial movements. The movement of air inside the casing is a mixture of axial and centrifugal movements, hence the name "mixed-flow". The structural features and components of a mixed-flow fan mainly consist of an impeller, casing, inlet collector, guide vanes, motor, etc.
The impeller uses several warped airfoil blades with meridional acceleration characteristics welded onto a conical hub. After dynamic balance check and overspeed test, it has excellent aerodynamic performance. The casing is cylindrical and connected to a collector with noise reduction function to form a whole. The outlet is equipped with guide vanes, which have excellent airflow distribution and stable pressure.
The mixed-flow fan is designed with secondary air intake to reduce the ambient temperature of the motor. Applications of mixed-flow fans: They can be used in tunnels, underground garages, metallurgy and other high-temperature smoke exhaust places. In case of fire, it can quickly exhaust smoke and reduce temperature, assisting firefighters to enter the disaster area for fire extinguishing in time. It is an essential facility for fire safety.
Transportable gases: Types of gases transported by mixed-flow fans: Air and other non-combustible gases that are harmless to the human body and non-corrosive to steel. In special environments, explosion-proof mixed-flow fans can be selected. Installation points of mixed-flow fans: Installation methods of mixed-flow fans can be divided into vertical and horizontal types. Key points for installing mixed-flow fans: When installing the fan, a comprehensive check should be carried out on all components to ensure that the parts are complete and the connections are tight.
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