What should we pay attention to for the protection of high-pressure centrifugal fan? This is the related problem that the manufacturer of centrifugal fan will explain for you in this period: 1) For pressure, in order to prevent motor from overloading, the pressure relief valve is commonly used. It is a unloading valve. If the pressure of high-pressure centrifugal fan exceeds the pressure set by the pressure relief valve, the pressure relief valve will automatically open and release the excess pressure, so as to prevent the long-term limit. Pressure leads to increased shaft power damage.
(2) For dust, because the internal mechanism of the high-pressure centrifugal fan is relatively close, the clearance between the impeller and the casing of the fan is very small. The filter is often used to filter impurities and dust. Because the filtering accuracy of the filter element used is often different and the maintenance method and service life are different in different use sites, it is necessary to ask clearly when ordering with the fan manufacturer.
(3) When high-pressure centrifugal fans are used in some special occasions, special protection should also be given to the fans themselves: for example, when they are used in closed-loop environment, attention should be paid to the ventilation and heat dissipation of the environment; especially when the ambient temperature is relatively high, attention should be paid to ventilation and heat dissipation, or the fans with higher intake temperature should be selected.
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