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Stoker-burner on test

(Click to enlarge photo)

This is a stoker-burner that I built in 2006. I have used it as an experimental rig making only minor alterations from time to time. It has successfully heated my house for four winters and I have only just completed its replacement. The construction is very simple indeed, consisting of a hopper, a feed-tube with auger (large rotating screw shaped bar) and a burner-head. Fuel is simply fed in at a known rate and mixed with air. You can see the resulting flame which I can confirm is hot even when standing six feet away. It is very similar to an oil-fired central-heating system in fact, I use the water jacket from my old system to collect the heat from the flame. This system is quite impressive and I still have difficulty believing that something so simple can work so well.