When a cooling tower fan blade breaks it can create significant damage and/or injury. When one blade breaks it puts the fan out of balance. The combination of high speed and lack of balance can cause other blades to break, the shaft to bend, and/or gear box damage. The broken blades in the picture came out of a 500 ton tower installed at grade level. Both blades broke and shot out through the side of the fan shroud. Fortunately, there were no personnel in the area at the time of the failure. Friday, September 17, 2010
Broken Cooling Tower Fan Blades
When a cooling tower fan blade breaks it can create significant damage and/or injury. When one blade breaks it puts the fan out of balance. The combination of high speed and lack of balance can cause other blades to break, the shaft to bend, and/or gear box damage. The broken blades in the picture came out of a 500 ton tower installed at grade level. Both blades broke and shot out through the side of the fan shroud. Fortunately, there were no personnel in the area at the time of the failure. 
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