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Mechanical Energy and spreading process of centrifugal Fan in Power Station

Wuxi JN Fan Co.,Ltd | Updated: Jun 06, 2018
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In the process of operation, the centrifugal fan of power station mainly depends on its input mechanical energy, and it can effectively increase the pressure of its gas and discharge the gas when it is used, which is a kind of fluid driven machinery. Centrifugal fans are widely used in cooling towers, vehicles, mines, tunnels and factories.

The centrifugal fan of power station is mainly based on the principle that its kinetic energy is converted into potential energy. In operation, the gas can be effectively accelerated and decelerated by its rotating impeller at high speed, so that the flow direction can be changed. This will convert kinetic energy into potential energy.

In a single-stage centrifugal fan, the gas of a power station centrifugal fan will enter its impeller from axial direction during operation, and to a certain extent its gas will change into radial direction when it flows through the impeller, and then enter its diffuser. During operation, the gas changes the flow direction and the area of the pipeline section increases to slow down the airflow, which converts the kinetic energy into the pressure energy.

The pressure of the centrifugal fan of the power station occurs mainly in the impeller, then it can occur in the process of expansion. In general, it will be used in the multistage centrifugal fan to make the flow of air flow into the next impeller effectively.

The centrifugal fan and turbine compressor in power station are basically the same, because the gas flow velocity is low and the pressure is not changed much, so the change of specific volume of gas is generally not considered, that is to say, the gas is treated as an incompressible fluid. Centrifugal fans can be made into two types: right-handed and left-handed. Facing squarely from one side of motor: impeller rotating clockwise, called right rotating fan; impeller counterclockwise rotation, called left rotating fan.

In the process of making centrifugal fan of power station, it is mainly composed of main shaft, impeller, housing, motor, bearing transmission mechanism and so on. The case of the equipment is made of steel plate, which can be divided into integral type and semi-open type. The semi-open type is easy to overhaul.

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