Forwarded from the Steam List:
> I received this inquiry from an electrical utility auditor over the
> Department of Energy's OIT Information Clearinhouse line. I'd appreciate
> any advice or recommendations....
>
> REQUEST NARRATIVE:
>
> We are updating some studies done for a Navy base. They have a steam plant
> but rather then a central steam plant for whole base it is there to
provide
> steam for the ships. The steam plant is staffed 24/7 even though the
ships
> are there only 1/3 of the time. They run the plant continuously to keep
the
> steam line hot, even when there isn't any load there for it. They have 6
to
> 7,000 feet of steam line. How do you shut it off and bring it back up on a
> regular basis? They're not sure what the issues are. A report done
earlier
> talks about filling the system with nitrogen. Surely schools must run
into
> this with shutting down for the summer. And since food processing is
> seasonal wouldn't they have the same issues? They must have steam lines
hot
> and then not hot for a period of time. What do schools and food processing
> plants know? The operators are concerned there might be some damage to the
> system in not running it. The are ok on the boilers, but not sure about
> impacts to the piping in the steam system. The fear is that the system
will
> corrode and the seals will dry out, then when you bring it back up you'll
> have lots of problems. Any assistance would be helpful.
>
>
> Gilbert A. McCoy
> Energy Systems Engineer
> OIT Clearinghouse
> (800) 862-2086
Received on Sat Nov 23 00:08:00 2002
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