So, if I do this, the location does not have natural gas. 7 bbl system. What should I expect with propane fired steam boiler?
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Certainly you can use propane in lieu of natural gas. Just need your boiler to be jetted correctly, which is not a big deal. Most any boiler will come with two sets of jets for just this application. Make sure you get it right, although the boiler might work with wrong jets, it won't heat right and will clog with soot. As well as produce tons of CO. Don't ask how I know!Phillip Kelm--Palau Brewing Company Manager--
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Propane Considerations
Originally posted by gitchegumee View PostCertainly you can use propane in lieu of natural gas. Just need your boiler to be jetted correctly, which is not a big deal. Most any boiler will come with two sets of jets for just this application. Make sure you get it right, although the boiler might work with wrong jets, it won't heat right and will clog with soot. As well as produce tons of CO. Don't ask how I know!
LP is a dangerous affair compared to NG because it is heaveir than air. I have had charge of entire properties that were remote and set up to run on LP. While it can work, I definitely do not care for it. The piping has to be rock solid, and your boiler room ventilation and combustion air have to be set up with all this in mind.
Any leaks in the system can create a dangerous condition very quickly. Propane is more costly to run than NG, and the price can swing around quite a bit.Warren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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Originally posted by BeerBred View PostSo, if I do this, the location does not have natural gas. 7 bbl system. What should I expect with propane fired steam boiler?
I have been running on propane since 2002. My boiler was converted from NG. Running it on propane is, of course, completely doable. Make damn sure your make-up air is sized for your boiler. Mine kept sooting up until I had an atmospheric dampener installed on the exhaust stack. That cured the sooting. Some propane sellers have “winter price programs” where you can lock in your winter rates in the early fall to match cheaper, summer rates. Shop around.
(Ditto what Warren and Phillip have said. Very good points.)
Prost!
DaveGlacier Brewing Company
406-883-2595
info@glacierbrewing.com
"who said what now?"
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Flue Dampers
Originally posted by GlacierBrewing View PostHi BeerBred,
I have been running on propane since 2002. My boiler was converted from NG. Running it on propane is, of course, completely doable. Make damn sure your make-up air is sized for your boiler. Mine kept sooting up until I had an atmospheric dampener installed on the exhaust stack. That cured the sooting. Some propane sellers have “winter price programs” where you can lock in your winter rates in the early fall to match cheaper, summer rates. Shop around.
(Ditto what Warren and Phillip have said. Very good points.)
Prost!
Dave
The Combustion should be set out of the gate with an analyzer, and by someone who has experience with this procedure.
Propane does burn more dirty than NG even when set up correctly.Warren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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We've been using a propane-fired boiler for about 20 years. We've never had to have the burner serviced or clean out the firebox. I inspected the firebox last week and it's fine. No carbon build-up in the flue, either.
We had the burner--specifically a propane burner--professionally installed and adjusted.
Definitely look into a contract with your propane provider and be prepared to haggle. If you're using a thousand gallons or more a month, you should be able to negotiate a discount.Timm Turrentine
Brewerywright,
Terminal Gravity Brewing,
Enterprise. Oregon.
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Awesome. Feel better then... Might get a commercial grill which would be propane as well. Large tank to rent or buy. Will negotiate the annual contract or whatever. Is five grand enough to plumb this thing? the boiler I mean, not the grill.. Or am i gonna need ten.. Virginia
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Details
Originally posted by TGTimm View PostWe've been using a propane-fired boiler for about 20 years. We've never had to have the burner serviced or clean out the firebox. I inspected the firebox last week and it's fine. No carbon build-up in the flue, either.
We had the burner--specifically a propane burner--professionally installed and adjusted.
Definitely look into a contract with your propane provider and be prepared to haggle. If you're using a thousand gallons or more a month, you should be able to negotiate a discount.Warren Turner
Industrial Engineering Technician
HVACR-Electrical Systems Specialist
Moab Brewery
The Thought Police are Attempting to Suppress Free Speech and Sugar coat everything. This is both Cowardice and Treason given to their own kind.
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Virginia: That's going to be between you and your gas supplier. I don't recall what it cost to have ours plumbed, but location will be a big part of the cost. Here in OR, any propane tank more than 500 gal. has to be at least 30' (IIRC) from a building, which meant putting our 3 1,000 gal tanks across the driveway from the brewery. we were able to save some significant $s by digging and back-filling the trench ourselves.
For underground runs, the material for the piping is a flexible tube, which is much cheaper than having black pipe threaded, so run as much of your line underground as possible. Above-ground runs will generally be threaded black iron pipe, where the labor costs build up pretty fast.
Warren--Just sayin'. We have our system inspected yearly, and the inspector has never had any complaints about dirty burners/pilots. Our kitchen appliances also run off propane, and I've yet to see any combustion problems or build-up there, either--just kitchen grease.Timm Turrentine
Brewerywright,
Terminal Gravity Brewing,
Enterprise. Oregon.
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Propane concerns
BeerBred
As was stated earlier, propane is a heavier gas than natural gas and some municipalities are a bit nervous abut that. I have seen some inspectors request a combustible gas detector be installed at close to the floor level to alarm if propane is discovered. Most gas fired boilers can be converted to propane by swapping the orifices. If changing over to propane, be sure you have the air to fuel ratio tested with a combustion analyzer. If the boiler is overfilling, it could cause an unstable water level and the boiler could trip on the low water cutoff. Another concern is some municipalities will limit the size of the tank you can have indoors. Again they are afraid of a fire.
Good luck
Boiler Ray
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I'd guess that the potential for propane to pool would be why our code requires two MUA vents, one within 6" of the floor, the other higher up on the wall. We use motorized louvers driven by the boiler controls so the louvers are open whenever the boiler is running, with an option to leave them open--handy in hot weather.Timm Turrentine
Brewerywright,
Terminal Gravity Brewing,
Enterprise. Oregon.
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