Biogas Stove Design

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 Biogas Stove Design

This biogas stove design page contains designs that are specifically developed for the low pressure gas burners from digesters or storage holders containing biogas. The big advantage of a gas burner is that the heat can be directed to where it is needed, by designing the burner properly. However, the biogas stove design must allow for particular problems that can occur when burning gas, especially biogas. For example, biogas burns over a narrow range of mixtures containing 9 to 17 percent of biogas in the air. If the burning flame has too much gas, the burn will be poor and incomplete, giving off poisonous carbon monoxide and contain a lot of soot particles.

A good biogas stove design aims to maximize the conversion of methane to reduce unburned methane and soot from incomplete combustion. For this reason a biogas stove design should burn on the lean side with a small amount of air to avoid the flame becoming rich. In a good biogas stove design the air is mixed with the gas prior to when it is burned to ensure the correct air-gas mix is obtained. As you study the documents below you will see that there are other problems known as: lighting back, flame lift, pressure drop and the burner manifold.

A good biogas stove design will have significant health advantages compared to the traditional cooking practices over an open fire. Good biogas stove design means cooking is smokeless and this reduces the number of eye infections and respiratory problems among  women and children. As small children are near their mothers  good stove design also means children receive less burns while cooking is underway.

Biogas Stove Downloads

Domestic Biogas Compact Course, 2010, Lam J & ter Heegde F, Postgraduate Programme Renewable Energy, Handout for Students, University of Oldenburg, Germany. (see pages 18-23)

Biogas Stove Design: A Short Course, 1996, Fulford D, Kingdom Bioenergy Ltd, 1996

Modified Stove Burner for Biogas, 2012, Bajet MA, PAz CB, Bermio JB, Bajet, NA & Bajet JB, International Journal of Mathematics, Engineering and Technology, Vol. 4, pps 33-47.

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