Middlebury College Heating plant
Posted in the Middlebury Forum
#1 Sep 30, 2012
When is someone in charge going to finally ask the obvious questions regarding the "biomass" plant at Midd College? Here is a list of a few questions to ask next time you see Mr. Moser...the plant's supervisor:
Why do the boiler tubes in the water tube boilers coninue to plug?
Why hasn't the general contactor for this "green" plant been held accountable for its short comings and lack of availability?
Why doesn't a plant of this sizeand cost have and effective preventive maintenance program in place?
Two baghouse fires so far. How many will be considered enough to finally ask questions and hold the person's in charge accountable? Will this take a fatality? These fire hazards have been know from day one. They don't go away by themselves.
I have tons of questions. Let us answer these first and I will continue. Come on Moser...fess up.
#2 May 31, 2013
Middlebury is too busy being "green" to address safety issues. The lack of response to this post is frightening. Burn baby burn
#3 Nov 23, 2014
I tried to contact the facilities department via phone about the concerns that the above person posted. I asked about the fire and was told that no comments can be made. I also asked about boiler tube plugging (whatever that is) and was told this was not an issue and that with the biomass they don't believe a boiler is even used anymore.
No boiler? Did they ever look in the front windows? That big blue thing is an aweful big "not a boiler".
Middlebury College bought a large pile of crap that they call "gasification". Still doesn't work right. Follow the money. Betcha the trail goes to a nice house addition (second floor) of a house in good ole Ticonderoga.
#4 Apr 13, 2017
This is good news, just convert everything over to gas; problem solved:
#5 Jun 26, 2017
Boiler tube pluggage typically has to do with feedwater pH changes. Typical water treatment processes used a coagulant chemical called PAC, or Poly Aluminum Chloride. This carries over, even through the demineralization system (assuming the plant has this), and deposits with slight pH changes. Boiler operators typically monitor their water pH, but still perform an acid wash every 5 or so years to dissolve any phosphorous and increase heat transfer efficiency.
Flyash bags burning up, on the other hand, also happens occasionally when combusting biomass. The only thing they can do is move away from biomass, or develop an extremely safe procedure to detect and replace the flyash bags when this occurs, and to have a fire detection and suppression system built into a flyash system.
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