Cavitation phenomenon in boiler exhaust fans

2010-02-02View Original

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This post was last edited by yxmqh on 2010-2-8 at 12:38. In our company, the impellers of the 2-ton boiler exhaust fans are experiencing cavitation, and there is a slight negative pressure in the furnace. How to eliminate cavitation! ! !

Reply #22010-02-04

Did the poster make a mistake? Only fans experience surge; it is cavitation that occurs in pumps. Are you referring to surge?

Reply #32010-02-08

1# zt0928: Based on what phenomena or results does the poster conclude that the induced draft fan is suffering from cavitation? A slight negative pressure at the inlet is normal for many furnaces, right? What is cavitation? Does even a slight negative pressure cause cavitation?

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Cavitation phenomenon in boiler exhaust fans

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