Corn stoves have been particularly designed to burn a granular fuel. Corn stoves come with hoppers to store the corn as the fuel is transferred into the burning chamber. Corn stoves are basically the same as pellet stoves in there operation and functions.
Due to there density corn or pellet fuel won't burn in a pile in a open fire. Therefore to get the fuel to burn, certain manufacturers will incorporate a combustion chamber into where the corn fuel is added with combustion air. Fuel is added by failing from above or auger up from below.
The feeding rate of the auger can be adjusted to increase the amount of corn burnt which will control the amount of fuel produced. This alone will not burn and as mentioned air combustion is required, this is done by blowing in oxygen into the combustion chamber by means of a small fan. Air is feed in from the outside and not typically by the room air.
When the corn fuel burns its by product is a clinker, with the small size of the combustion chambers its recommended you follow the manufacturers requirements n how often to clean. A specially designed poker is used to remove the clinker and with practice the corn stove will not be required to be shut down.
Within the stove a heat exchanger is used to move the heated air and relace with the room air which is then heated. A fan within the stove will be used to do this process.
There are different types of corn stoves that do not have augers to feed in the corn or fans to provide combustion air or move heated air to the room. By there design they burn corn at the bottom of the stove and the heat will radiate to heat up the room. Unlike the auger type of corn stoves that require electric these do not and they won't be affected by power outage.
To vent away the exhaust gases will depend to the particular design but follow the manufacturer's recommendations regarding the type of flue pipe required. It is best to keep the flue pipe as short and straight as possible (keep the number of elbows to a minimum) to maximize the stove's performance.
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