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Posted by bobby7388 on October 21, 2004 at 17:54:59:
In Reply to: Boiler Hot Standby posted by Ramendran on October 20, 2004 at 07:55:01:
: What is the best practice for keeping boilers on hot standby with minimum fuel consumption? i.e do you fire the boiler 1/day, every other day or 1/week. The reason for asking: recently we converted our 20 MT boiler to run on natural gas. By doing this we have had substantial savings.Nevertheless we still have 4 other boilers which are run on MFO. These units are kept on standby just in case the 20 MT boiler breaksdown. Management wants standby boilers to be run 1/month to save on fuel costs. I disagree. Would appreciate your thoughts on this issue ?
I would agree with your assesment, once a month is not practical for many reasons.
We would hold standbys on by temp and not pressure, as long as your non-returns are operating this doesn't pose a problem.
Our lead time was short for the standbys in case of on-line failure.