Curtis Electrical, Heating, Cooling, and Plumbing.

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Last Updated Wednesday February 24, 2010

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Renewable Sources of Heat

Bixby Corn Stove! 1 Year warranty!
Bixby CornstoveBixby Logo

Burning Shelled Corn to Produce Heat Energy

The combination of high fossil fuel prices and low corn prices caused an interest in burning shelled corn to produce heat for heating buildings and homes. But now with corn reaching $4.00/bushel or more is it still a good choice? Here are some factors to consider when making decisions about burning corn vs. other fuels.

Fuel cost per unit of energy

Shelled corn contains about 7000 Btu (British thermal units) per pound at 15% moisture, or about 392,000 Btu per 56-lb bushel. It is better to use dry corn as a fuel source, because dry corn is easier to handle and store than wet corn, and because dry corn produces more energy per unit weight of corn. Energy content per pound of corn is dramatically lower for high-moisture corn because more of the weight of the corn is water, which doesn't produce any energy, and because more energy from the corn dry matter is needed to evaporate water from the kernels and less is available for heating.

In most cases, equipment used to burn corn (and other fuels) is not 100% efficient, so it is important to use burner efficiency in calculations for heat output. When comparing costs for using different fuels, it is easiest to compare cost per unit of energy produced; cost per million Btu is a common way to compare fuel costs. Cost per unit of fuel, energy content per unit of fuel, and burner efficiency all need to be considered in calculating fuel costs.

    Example: Calculate cost per million Btu for 15% moisture shelled corn that costs $4.00 per bushel and is burned in a stove that has an efficiency of 65%.

    Cost per million Btu = [$4.00/bu ÷ (392,000 Btu/bu x 0.65 efficiency)] x 1,000,000

    = $15.70 per million Btu

Here are energy content, burner efficiencies, and costs per million Btu at average efficiency and the indicated price for several fuels:

    Fuel oil, 140,000 Btu/gal, 70 to 90% efficiency (80% avg.), $3.00/gal:

    $26.78 per million Btu

    Propane or liquefied petroleum gas (LPG), 92,000 Btu/gal, 70 to 90% efficiency (80%avg.), $2.00/gal:

    $27.18 per million Btu

 

    Electricity (resistance heat), 3413 Btu/kWh, 100% efficiency, $0.08/kWh:

    $23.44 per million Btu

Keep in mind that the price for corn and for conventional fuels will fluctuate over time.

 

The primary reason you are probably considering a corn stove is to save money on your heating bills. The Bixby stove is designed to do that better than any other stove while providing features not available anywhere else. It is a pure corn burner too; not requiring you to buy any "special burn additives" to help the stove burn the corn. And because it burns so efficiently, there is less ash to handle. (actual combustion efficiency: 99.7%) What this means is more heat per dollar, less ash, and no burn enhancers required.

Features:

Automatic Starting
No more fooling with wood pellets and fuel gel to start your fire. Just push the "ON" button and the stove automatically dispenses the necessary amount of corn to the fire pot and ignites it in minutes.

Push Button Adjustment of Heat Levels
You can adjust the output from 8,000 to 50,000 BTU's simply by touch selecting any one of the 8 settings. Also capable of attaching to a thermostat! No complicated dials or levers to worry about!

Large Bin Holds 106 Pounds of Corn
The stoves large hopper means you won't have to refill it as often. It will accept corn, wood pellets and bio-fuel pellets.

"Ferris Wheel" Feeder System
When cobs, stones, or nails jam auger type systems in other stoves, it burns out the motor. Bixby's unique feeder design prevents that from happening.

Self Cleaning Fire Pot
The Bixby system is designed to burn corn ompletely, resulting in a small "ash wafer" which it dumps periodically. Because of the unique two level pot system, it can do this without interrupting the burn.

Specifications:

Installation:
Install in accordance with manufacturer's instructions

Heating Area:
Heating area will vary depending upon floor plan, heat loss and geographic location of home, stove venting configuration and climate

Shipping Weight:
350 lbs.

Electrical:
120 volt AC (all loads shown are combined)
-Normal Operating Mode: 1.6 Amps
-Ash Dump: 4.6 Amps
-Ingition Mode: 8 Amps

Tested and Listed By:
OMNI-Test Laboratories Inc.

Tested To:
ASTM E 1509, ULC C1482

Dimensions:
height: 33" width: 28" depth: 30"

Deluxe Trim Options:
Nickel Plated or 24k Gold Plated (Doors & Vents)

http://www.lenox.k12.ia.us/

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