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How do we know that the steam turbine requires blade inspection even the schedule inspection is months away?

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Question ajoutée par Rosli Mat Amin , Power Plant Area Manager , Malaysian Newsprint Industries Sdn Bhd
Date de publication: 2014/08/25
Paul Mathew
par Paul Mathew , Field Engineer , thermax

we can know by checking the wheel chamber pressure and vibrations, these2 parameters gives a clear picture of turbine blade inspections. For a steam input of70-100% an increase in wheel chamber pressure by10% indicates the deposition in blades in turbines.High vibrations also indicating the miss alignment of turbine blades due to the deposits in blades.

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