This shure is a way to go, but a hammer mill is a terribly numb cutter. It wasts a lot of energy in friction.
An alternative is the Ecoworxx Pellet Maker with intelligent feeding, grinding and pelleting. www.peletizadora.es shows it. Rolf On Sat, 20 Jul 2013 08:06:37 +0700 Paul Olivier <[email protected]> wrote: > Yesterday I ran across this YouTube video. Here pine forest debris (pine > needles, pine cones, twigs and branches) is run through a hammer mill and > a pellet machine: > http://www.youtube.com/watch?v=HOp__fEb9KM > > These pellets could be used as fuel in a pellet gasifier: > https://dl.dropboxusercontent.com/u/22013094/150%20Gasifier/Short/Photos/IMG_1567a.JPG > https://dl.dropboxusercontent.com/u/22013094/150%20Gasifier/Short/Photos/IMG_1568a.JPG > > The gasifier shown here is only 25 cm in height, and if completely filled > with pelllets, it produces gas for as long as 1.5 hours. The biochar from > this pellet gasifier comes out in pelleted form: > https://dl.dropboxusercontent.com/u/22013094/150%20Gasifier/Short/Photos/IMG_1563.JPG > > Here in Vietnam there are a lot of pine forests. The government has > instituted a program of controlled burns to prevent catastrophic forest > fires. In dry season the air quality in the vicinity of Dalat where I live > is really bad. The smoke, greenhouse gases and soot released from this > controlled burning constitute a major environmental problem. All of the > energy released by these controlled burns is totally wasted. At the same > time, a lot of people go into the forests and chop down trees to make > charcoal to burn in charcoal stoves. Deforestation is a major problem. Due > to their link to deforestation, charcoal stoves, in certain areas of > Vietnam, should be banned. > > If forest debris could be collected, hammer-milled and pelleted, then it > would not be necessary to do controlled burns. Minority peoples, who live > within the forests, could earn substantial money collecting forest debris. > Small pellet-making facilities could be set up along the edges of forests. > Some pellets could be used by minority people for household cooking, and > some pellets could be sold. The biochar produced from these pellets is > quite valuable. Numerous studies have shown that pine needle biochar has > exceptional properties (search "pine needle biochar". Some biochar could be > sold, and some could be returned to replenish forest soils. > > In Vietnam, over 80% of agricultural land is devoted to rice. In the > highland areas where rice is not grown, there is coffee. In highland areas > where coffee is not grown, there are pine forests. So Vietnam has an > abundance of rice hulls, rice straw, coffee husks, pine needles, pine cones > and other forest debris. No shortage of biomass here. > > Thanks. > Paul Olivier > > -- > Paul A. Olivier PhD > 26/5 Phu Dong Thien Vuong > Dalat > Vietnam > > Louisiana telephone: 1-337-447-4124 (rings Vietnam) > Mobile: 090-694-1573 (in Vietnam) > Skype address: Xpolivier > http://www.esrla.com/ -- Energies Naturals C.B. <[email protected]> _______________________________________________ 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/
