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High Speed rotation and main working conditions of centrifugal Fan

Wuxi JN Fan Co.,Ltd | Updated: Jan 01, 2019

The centrifugal fan can effectively speed up the gas by using its rotating impeller to a certain extent according to the principle that its kinetic energy is converted into potential energy, and then slow down, to a certain extent, change the flow direction. This converts kinetic energy into potential energy (pressure). In the single stage centrifugal fan, the gas enters the impeller from the axial direction and changes into the radial direction when the gas flows through the impeller, then enters the diffuser. In the diffuser, 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.

When the centrifugal fan reaches its normal rotational speed, it is necessary to measure immediately whether the input current of the fan is normal or not, and the equipment should not exceed its rated current when running current, if the operating current exceeds its rated current, An effective check is needed to see if the supply voltage is normal.

The motor power required by a centrifugal fan mainly means that, under certain working conditions, the centrifugal fan and fan box can be effectively operated when the inlet is fully opened, if the inlet is fully open for operation, The motor is in danger of being damaged. It is best to close the valve on the inlet or outlet pipeline of the fan when the fan is running, and gradually open the valve after operation, and pay attention to whether the running current of the fan exceeds the rated current.www.jnblower.com

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