FRP axial fan
Axial fans are very widely used, that is, the airflow in the same direction
Keywords: centrifugal fan supplier | general fan manufacturer
Classification:
Civilian general purpose fan
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FRP axial fan
Axial fans are very widely used, that is, the airflow in the same direction as the axis of the fan blades, such as electric fans, and the fans of air conditioners and outdoor units are axial fans that run fans. It is called "axial" because the gas flows parallel to the fan axis. Axial fans are typically used where the flow requirements are high and the pressure requirements are low. Axial fans hold the position and move the air. The axial fan is mainly composed of a fan impeller and a casing, which has a simple structure but very high data requirements.
Ordinary axial fans can be used for ventilation in general factories, warehouses, offices, residences and other places, and can also be used for air coolers (air coolers), evaporators, condensers, spray drops, etc., there are also mine axial fans, anti-corrosion, explosion-proof axial fans use anti-corrosion materials and explosion-proof measures, and match explosion-proof motors, which can be used to transport explosive, volatile, corrosive gases,
It is required that the gas conveyed by the axial fan should be free of significant dust, viscous and fibrous substances; The temperature of the direct connection type of the motor does not exceed 40°C, and the temperature of the belt drive type does not exceed 60°C. The amount of dust of the transported gas shall not exceed 150mg/m3, and the axial fan is mainly composed of impellers, casings, motors and other parts, and the bracket is connected with the casing duct by section steel. Among them, the impeller and casing of the anti-corrosion axial fan are made of fiberglass, and other types of axial fans are generally made of steel plates.
How it works
When the impeller rotates, the gas enters the impeller axially from the air inlet, and is pushed by the blades on the impeller to increase the energy of the gas, and then flows into the guide vane. The guide vanes deflect the gas flow into an axial flow and at the same time direct the gas into the diffuser tube, which further converts the kinetic energy of the gas into pressure energy and finally into the working line.
Axial wind turbine blades work in a similar way to the wings of an aircraft. However, the latter is to act lift upwards on the wings and support the weight of the aircraft, while axial fans fix the position and move the air.
The cross-section of an axial fan is generally a wing profile. The blades can be fixed in position or rotate around their longitudinal axis. The angle of the blades to the airflow or the distance between the blades can be non-adjustable or adjustable. Changing the blade angle or spacing is one of the main advantages of axial fans. A small blade spacing angle produces a lower flow rate, while an increased spacing results in a higher flow rate.
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