Adding Secondary Burn To Wood Stove

To achieve the secondary burn you will need secondary air.

Adding secondary burn to wood stove.

Burning wet unseasoned wood will build up tar and acid in your firebox. Then it enters the front of the stove over the fire is routed through solid pipe to the rear of the stove for preheating and then is dumped into the top of the burn area just under the baffle through the holes drilled down the length of the burn tubes. With secondary combustion systems for wood stoves this secondary heat can be used to add additional heat energy to the primary heat. A second feed of air over the fire in a wood stove firebox helps secondary burn to occur.

Secondary air can be controlled from the gate valves and shut off if there were ever a chimney fire. Currently the sides and back are insulated. Scott added an air supply for secondary combustion and retrofitted a catalytic combustor. That gradually stops when the wood becomes more charcoal like and burns with less flames.

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. Secondary burn is a feature incorporated in the majority of new wood burning stoves. 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. The secondairy burn is mostly used in the first phase of a new log.

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. 2 the secondary air you are looking for will only work well if you burn dry wood. Maybe i should also add some insulation tiles to the baffle plate. The tubes run up the sides of the stove.

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. Clear benefits of secondary combustion are increased heat output with less wood lower emissions and decreased creosote formation. This is a project to increase the efficiency of an older but still very serviceable wood burning stove.

Stove world uk explains why a woodburning stove with secondary burn is so good. How secondary combustion in a woodstove works.