Hi All, I find that pellets burn cleaner in TLUDs when at about 10% to 15% moisture content like sticks of wood. In both cases a slower burn helps to meter the fuel.
Best, Dean On Wed, Jun 12, 2013 at 12:22 PM, <[email protected]> wrote: > Crispin, list etal > > This below may be true for "burning", but it has not been my experience > for pyrolysis. Colorado is pretty dry and I never experienced a smoke > problem due to dryness. I hope someone with a TLUD will "bake" some wood > or pellets for awhile and report their results. If a fuel dryness problem > exists for TLUDs, it is not clear why that should be so. During pyrolysis > a lot of water is created through numerous chemical reactions. > > Yes problems for wet wood with TLUDs. Explicit detail is somewhere in > this list's archives. Andrew H is expert on fuel wetness. > > Ron > > ------------------------------ > *From: *"Crispin Pemberton-Pigott" <[email protected]> > *To: *"Discussion of biomass cooking stoves" < > [email protected]> > *Sent: *Wednesday, June 12, 2013 1:11:31 PM > *Subject: *Re: [Stoves] Burning wet wood > > Dear Frank > > > > Burning very dry wood is difficult and it makes a lot of smoke. That is > why stoves should not be evaluated with very dry wood when they are > designed to burn ‘ordinary wood’. > > > > If you get the conditions right for the early fire they are > double-guaranteed o be wrong for the late fire. Much better a continuous > input of damp material. > > > > Regards > > Crispin > > ++++++ > > > > > > *Dear Crispin, Tom and all,* > > * * > > *I would think a batch mode would be better. A continuous mode means you > have water vapor all the time. In batch mode one would heat and find the > gas temperature goes to 100c. Then when the water is finally burned off the > temperature rises and you can then push the fuel forward to do what you > want to do with the now dry wood. Not sure this happens and have not seen a > graph of this but think this is what would happen. * > > * * > > *Frank* > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://stoves.bioenergylists.org/ > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://stoves.bioenergylists.org/ > > >
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