How can we improve the application of centrifugal fans
How can we improve the application of centrifugal fans?
Because in different situations, the actual effect of the centrifugal fan is also different, in order to adjust the centrifugal fan to an ideal situation, for example, the centrifugal fan allows the rated power of the motor to start or the blood pressure reduction electric operation, but it should be noted that, The amount of current for starting the motor at rated power is about 5-7 times the rated voltage. The torque of the blood pressure reducing motor is proportional to the square meter of the working voltage. When the power grid volume is not enough, the blood pressure lowering starter should be selected. In addition, the centrifugal fan should be tested During the operation period, how to grasp the situation of machinery and equipment?
When the centrifugal fan is running, immediately check whether the operating current of each phase is balanced and whether the current exceeds the rated voltage. If there is any abnormality, it must be shut down immediately for inspection. After the machine has been running for five minutes, shut it down to check whether the centrifugal fan If there is an abnormal situation, restart the equipment after confirming that there is no abnormal situation. If it is a single-speed centrifugal fan, start the low-speed gear first to check whether the rotation direction is appropriate. When the high-speed start, the centrifugal fan must be stopped before starting to avoid The switch is tripped and the motor is destroyed due to high-speed flipping. In addition, it is necessary to accurately measure whether the centrifugal fan typed in current is normal.
Since the current of the centrifugal fan is working, it cannot exceed its rated voltage. If the current of the working current exceeds its rated voltage, check whether the working voltage of the power supply system is normal, and it is best to turn off the centrifugal fan during the trial operation of the centrifugal fan. The gate valve on the channel or the inlet and outlet pipelines, slowly open the gate valve after operation, until the specified working condition is achieved, and pay attention to whether the operating current of the centrifugal fan exceeds the rated voltage. The centrifugal fan is a general term for commodities, including many different types.
Because of the different characteristics of centrifugal fans, they can be installed in the import and export trade offices of refrigeration units, boiler drums, centrifugal fans, etc. In addition, the motor of the centrifugal fan is connected according to the drive belt of the drive drum, so its installation will be more Complexity, in which the motor of the axial flow fan is installed inside the machine and equipment, thus obtaining stronger marketing promotion and application.
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