How to judge whether the centrifugal fan needs to be shut down for maintenance

1. Centrifugal fan, if its power is constant, is there any relationship between wind pressure and wind speed?
For centrifugal fan, if its power is constant, then the two parameters of wind pressure and wind speed have a great relationship. Therefore, the answer to this question is yes. And there is a proportional relationship between the two, that is, the higher the wind pressure, the greater the wind speed. Therefore, there can be no misunderstanding at this point.
2. What can be used to judge whether the centrifugal fan needs to be shut down for maintenance?
There are some specific aspects or measures to determine whether the centrifugal fan needs to be shut down for maintenance, such as measuring the fan current, or the temperature of the bearing and casing. In addition, measure the vibration and noise of the fan, or check the ventilation effect of the ventilation system, so that you can make a correct judgment and get an accurate result at the same time.
3. Why is the adjustment of the centrifugal fan important? In addition, why is the air inlet large and the air outlet small?
The adjustment of the centrifugal fan is important, because through adjustment, the fan can play its due role, thereby bringing good economic benefits to users. Therefore, this work will be carried out.
The centrifugal fan has a large air inlet and a small air outlet, so that the fan's air inlet resistance is as small as possible, and energy conversion is increased as much as possible to avoid losses. That's why there is this specific requirement. And if the air inlet is the same size as the air outlet, or smaller than the air outlet, it will affect the conversion of effective work and reduce the static pressure of the fan.

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