Xisca Nicolas wrote:Then I have a lot of pine cones.
But they make a nasty smoke, I don't know if this is possible.
How great would it be to burn this AND prevent fire propagation around!
Peter Berg wrote:As far as I know, pine cones will burn beautiful in a J-tube rocket stove. The smoke which it is producing in a regular wood stove is from the high pine resin content. But that will be burn away in a properly built rocket heater. Since there is an abundance at your place, it would be sensible to build a stove just for that specific fuel.
Shane McKee wrote:I haven't tried it, but I would imagine that (dry) pine cones would make an excellent TLUD fuel - all the volatiles will burn off in the secondary burn. You might need a slightly larger reaction vessel than Alexis Belonio uses for his rice husks, otherwise maintaining a coherent pyrolysis front will be difficult, due to variations in cone spacing at the walls of the vessel. I'd suggest a vessel of at least 8in diameter (guessing here!) for cones of up to 2in long.