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The Polar Furnace Converter represents the new generation of Outdoor
Furnaces. It burns less wood and is environmentally friendly having little
smoke emission. This makes it the only legal choice in many urban built up
areas. It converts wood to gas and gas to heat.
Polar Furnace Converter Cutaway
 How
the Polar Furnace Works:
Drying Chamber
In the Wood Doctor Converter, heat that rises is trapped in the Drying Chamber
where it dries out the wood and eventually transfers to the water exchanger...
no heat or emissions escape out the flue.
Initial Firebox
This is the chamber where the actual fire occurs. In the off cycle the wood
burns with no open flame and the heat and creosote smoke rise upwards into the
Drying Chamber. In the on cycle the flames are pulled down through the coals
creating a very efficient burn. The fire is Upside down. Dry wood is
automatically fed as required.
Hopper
The wood is first placed on a ledge and then tipped into the hopper. This
prevents hang-ups. The hopper holds wood up to 26 inches with a total capacity
of over 11 cubic feet.
Final Combustion Chamber
This is a separate insulated ceramic chamber underneath the Firebox. The
heated air in the firebox, including all smoke gas and creosote, is drawn
downwards through the hot bed of coals and into the Final Combustion Chamber.
Injection Air is added from above the coals and also pulled through the coals.
The extreme heat (up to 2000°) ignites all gases including smoke and
creosote. These gases, which would otherwise be exited out the flue, are used
as fuel giving nearly 100% burn efficiency. You can expect the Converter to
use up to 50% less wood than most wood stoves on the market.Water Temperature
Simply turn a dial and the Converter matches the heat produced to the heat
required. Big buildings or small - one size furnace does it all without excess
fuel consumption.
Injection Air
A fire needs air to continue burning. The Converter features Air Injection.
When the water temperature drops, air is injected into the firebox in measured
quantities in just the right location - much like a blacksmith's forge. The
fire burns extremely hot. Upon reaching the preset temperature, the air
injection reduces and allows the fire to burn without open flame. During this
stage, the heat produced is transferred to the Drying Chamber.
Email: sales@outdoorwoodfurnaces.ca
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