150 scfh to btu
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propane to btu
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Re: propane to btu
Here is a very useful site about propane:
http://www.propane.ca/Resources/propane.asp
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Re: propane to btu
Back to the original question,
According to my chart on approximate properties of LPgas (commercial propane)
1 gal. of liquid propane at 60 degrees F weighs 4.20 lb.
The latent heat needed of vaporization is 184 Btu / lb or 773 Btu / gal.
That is how much heat the tank will absorb to convert the liquid to a vapor. This is ignored if the tank is outside and the heat comes from the outside air. Only if the tank is heated by the propane like if the tank is inside and you are using a space heater in the garage is it a factor. Then it is only 0.8 percent.
The total heat after vaporization:
1 standard cubic foot vapor has 2,488 Btu (0 psig or at atmospheric pressure)
1 lb has 21,548 Btu
1 gal has 91,502 Btu
A 20lb gas grill tank filled to 18lb like most of them are holds 18lb/4.2lb per gal=4.28gal.
scfh stands for standard cubic feet per hour
So, 150 scfh (propane) would be 150scfh*2,844Btu/cf=426,600 Btu/hour.
So your turkey roaster would use up to 426,600 Btu/hour or 426,600Btu/hour dived by 91,502 Btu/gal would be 4.66gal/hr.
That's a BIG turkey roaster. Mine has a max. output of 150,000Btu/hour and that is with it turned all the way up.
Don
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Re: propane to btu
I using the above to make sure my assumptions are correct.
I took the amount 21622 btu per a pound and calculated that at 18 pounds in a 20lb gas grill tank. An my heater on low will burn 6000 btu I assume per an hour. Then 21622 x 18 = 389196.
and 389196 / 6000 = 64.866.
So my assumption is that the heater will run for 64.866 hours on the
6000 but setting.
I this right?
I plan to get another backup tank and if the heat ever goes out I can survive for a while.
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Re: propane to btu
how many BTUs are in a cubic ft of LP gas? If a pilot light uses 1200 BTUs an hour, how many cubic ft of propane will it use in a month? I'm trying to calculate the cost of having a propane gas fireplace in Florida when we will only use the pilot for 8 months and the fireplace maybe 20 hours a month in the remaining four months as a decoration, not for heat.
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Re: propane to btu
Originally posted by Snowdenhow many BTUs are in a cubic ft of LP gas? If a pilot light uses 1200 BTUs an hour, how many cubic ft of propane will it use in a month? I'm trying to calculate the cost of having a propane gas fireplace in Florida when we will only use the pilot for 8 months and the fireplace maybe 20 hours a month in the remaining four months as a decoration, not for heat.
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Re: propane to btu
Originally posted by UnregisteredAt 6,200 feet altitude, how many BTU/HR will one gallon (or one cubic foot) of propane produce as input to my propane furnace.
The furnace has a 46,000 BTU/HR input rating.
Thank you.
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