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Posted by A BOILER-GUY on July 10, 2006 at 17:41:11:
We now have Rosemount transmitters installed for drum level control on all of the boilers, boilers are all d frame water tube, running at 100psi. They seem to have a problem on the steam side when the boiler is on standby with the line plugging up. When in standby the boiler is just warmed every 8 hrs. to keep pressure on it for backup. Has anyone experienced this? If so do you have any advice on how to keep it from happening, it's only doing this when they are in standby 7 not when online. We were thinking maybe a blowdown line needs to be added at that point to clean it but don't know what effect this will have with the reading at the transmitter. Any advice would be helpful, thanks.