Dear David Of the biomass pyramid is relatively dry, lighting on top produces a short yellow flame and very liitle smoke unlee the wind is blowing.
Take some pics and post them. Tom Reed >From Tom Reed AKA Dr Thomas B Reed 508 353 7841 Www.Woodgas.com On Feb 22, 2012, at 6:19 PM, David Coote <[email protected]> wrote: > Thanks, Tom. Certainly an easy technique to set up. The smoke produced might > make this is a difficult technique to use in any quantity near towns in > Australia. > > On this topic, can anyone point me at a good reference on charcoal making > that covers for a range of approaches parameters like cost, conversion > efficiency and characteristics of charcoal produced? > > Thanks > > David > >> Today's Topics: >> >> 1. CHARCOAL PYROPILE (Thomas Reed) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Tue, 21 Feb 2012 15:41:01 -0500 >> From: Thomas Reed<[email protected]> >> To: Discussion of biomass pyrolysis and gasification >> <[email protected]> >> Cc: Discussion of biomass pyrolysis and gasification >> <[email protected]> >> Subject: [Gasification] CHARCOAL PYROPILE >> Message-ID:<[email protected]> >> Content-Type: text/plain; charset="us-ascii" >> >> Dear Anand and All: >> >> Depending on the type of charcoal needed, you don't need a kiln at all. the >> biomass should have a moisture content less than 20% and cut into small >> enough pieces so you can make a reasonably dense pile. (If you have a pile >> of slash, resulting from cutting a tree down, our brush saw attachment for >> chain saws will cut limbs up to 2-1/2" in diameter as small as you want the >> charcoal pieces). >> >> If you make a pyramid of scrap biomass (sticks, twigs, chips, pellets, cobs, >> ...) and light it ON TOP, the cellulose will form a combustible gas, leaving >> about 20% charcoal from the lignin. The top layer of charcoal will ignite >> the next layer, and each layer. Until allis converted to charcoal, the >> rising deoxygenated gases protecting the charcoal layers above. >> >> If you put wet newspaper under the pile, when the last layer is converted, >> the rising steam will quench the pile of charcoal. I call this a CHARCOAL >> PYROPILE. >> >> Depending on the moisture content of the biomass pile, the temperature of >> the charcoal will reach 500-700C. I believe HughMcLaughlin said it was >> partially activated, but I hope he'll comment. >> >> I hope that farmers in particular will develop this method for converting >> waste biomass to valuable charcoal fertilizer. >> >> So no kiln needed. >> >> Tom Reed >> >> >> >> >> >> Thomas B Reed >> >> >> > > > _______________________________________________ > Gasification 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/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ _______________________________________________ Gasification 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/gasification_lists.bioenergylists.org for more Gasifiers, News and Information see our web site: http://gasifiers.bioenergylists.org/
