>>What type of shaft seals does the unit have, i.e. gland sealing steam or water seals?
Gland Seals.
>>Is the main steam conditions limited during roll to slow down the temperature ramp rate?
Yes the boiler may have a few hundred pounds of pressure (2300 psig normally). If there is...
Thanks for the advice.
We are looking at ways to improve our availability. Current cold start procedures are 48hrs. I have been told there are ways to shorten start times and didn't know how this could be accomplished.
Currently we allow the steam chest to warm for a minimum of 1.5 hrs. and...
When warming the turbines, cold start or warm, we have manufacturers recommended procedures for temperature soak times. Sometimes these are longer than necessary. Does anyone know of other methods, perhaps monitor Differential Expansion or strain gauges, to speed up startup?
Allis CHalmers...
