Adding Secondary Burn To Wood Stove

Currently the sides and back are insulated.

Adding secondary burn to wood stove.

Stove world uk explains why a woodburning stove with secondary burn is so good. How secondary combustion in a woodstove works. Secondary air can be controlled from the gate valves and shut off if there were ever a chimney fire. With secondary combustion systems for wood stoves this secondary heat can be used to add additional heat energy to the primary heat.

I have a vogelzang mountaineer wood stove non catalytic steel box lined with firebrick steel baffle above fire and air intake above glass viewing door. Clear benefits of secondary combustion are increased heat output with less wood lower emissions and decreased creosote formation. Here goes to achieve secondary burn 1 you need a good amount of heat in your stove and good coals. To achieve the secondary burn you will need secondary air.

This is a project to increase the efficiency of an older but still very serviceable wood burning stove. A second feed of air over the fire in a wood stove firebox helps secondary burn to occur. Secondary burn or combustion on a wood stove is the process of burning off waste gases higher up in the stove in order to produce more heat and to reduce emissions. It is sometimes referred to as a clean burn clean burning stove or tertiary air all of which mean a reduction in emissions and an overall improved efficiency.

Part 2 of 2 yet another improvement to my old franko belge lorraine multi fuel stove log burner that has enabled cleaner combustion and more fuel savings. Other than burning good wood and not choking down a slow smoldering fire what can be done to maximize my heat output and minimize smoke creosote yucky stuff. Scott also goes through a method for actually measuring the efficiency of a wood stove using just a wind meter and a thermometer. That gradually stops when the wood becomes more charcoal like and burns with less flames.

The secondairy burn is mostly used in the first phase of a new log. The tubes run up the sides of the stove. 2 the secondary air you are looking for will only work well if you burn dry wood. Secondary burn is a feature incorporated in the majority of new wood burning stoves.

Scott added an air supply for secondary combustion and retrofitted a catalytic combustor. Burning wet unseasoned wood will build up tar and acid in your firebox.