Posted by Vern on July 02, 2001 at 20:37:17:
In Reply to: desiccant for offline boiler posted by Rich on June 30, 2001 at 03:58:09:
The reason for using a dessicant is to remove moisture from the air
so corrosion doesn't begin on metal surfaces. If you place a dessicant
in the boiler and leave it open to atmosphere, you are defeating the purpose.
Place the dessicant in the unit, how much is determined by what you use,
and close it up. However, I have seen boilers here in central California
left open to atmosphere so air could circulate through the unit, and they had
no corrosion occur. In winter here we get lots of fog, and I haven't seen any
units damaged yet that were layed up in that fashion.
: I am looking for information on using a desiccant in an offline boiler. Should the boiler be closed up or left open to the boiler room atmosphere after placing the desiccant? How much and how long should the desiccant last? It seems that the desiccant we have available around here is in drums. Would I just place buckets inside the drums? Is it necessary to use a desiccant when humidity isn't excessive?
: Any information greatly appreciated.
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