[Gasification] Chunking wood for small scale biochar production, fotos !

[Cesar Casanova]

Hi, Is this a chunker or wood chipper?
http://www.youtube.com/watch?v=c4GUEq_ubkw
Cesar



2014/1/7 Erin Rasmussen <erin at trmiles.com>

> Rolf's previous photos of the Jensen woodchoppers are here:
> http://gasifiers.bioenergylists.org/uhlejensenchopper
> - Erin Rasmussen
> erin at trmiles.com
>
> -----Original Message-----
> From: Energies Naturals C.B. [mailto:energiesnaturals at gmx.de]
> Sent: Tuesday, January 07, 2014 8:34 AM
> To: gasification at lists.bioenergylists.org
> Cc: energiesnaturals; Discussion of biomass pyrolysis and gasification
> Subject: Chunking wood for small scale biochar production, fotos !
>
> On Thu, 02 Jan 2014 01:43:37 +0100
> energiesnaturals <energiesnaturals at gmx.de> wrote:
>
> > Hello chunkers,
> >
> > For small manual chunking devices I cannot help much, but I see that
> there
> is also some interest in more mecanized solutions.
> >
> > At least in Europe you can still find many of the old Jensen woodchoppers
> with 6 and 12 cm long chunks produced and up to15 cm diameter.
> >
> > I remember putting a series of fotos on the list some years ago,
> > perhaps on the bioenergy list.
> >
> > Have a good year!
> >
> > Rolf
> >
> >
> >
> >
> > Enviado desde Samsung tabletDavid Coote <dccoote at mira.net> escribió:An
> > inexpensive tool to chunk efficiently wood for small scale biochar
> > production would be very handy. I have loads of waste woody biomass on
> > my farm. There's no community scale biomass energy plants in the
> > northern hemisphere sense in Gippsland (SE corner of Australia) so no
> > local markets of this nature for the material. This may change in the
> > next few years but in the interim I'd like to make some char as a
> > weekend project. One of my nephews is a qualified boiler maker with
> > tickets for various specialist welding techniques. He's interested in
> > building a small char system. This would probably be similar to the
> > popular 44 gallon drum with internal retort (so an indirect
> > implementation) but using a better quality steel so a bit longer
> > lasting. And we'll lag the drum, put a safety enclosure around it and so
> on.
> >
> > One of the challenges of trying to do this beyond a hobby approach is
> > chunking the material to be used for  combustion and char. I haven't
> > got time to lovingly handcarve the feedstock into the appropriate size
> > and form. Using an axe, saw, firewood splitter, bypass pruners would
> > all be possible for different sized feedstocks (windthrow, prunings,
> > thinnings, harvest residue etc) albeit labour intensive.  Something
> > like an old chaff cutter would be very useful for some feedstocks. I
> > think there are some commercial chunkers that would do what I want but
> > they are prohibitively expensive
> >
> > David
> >
> >
> >
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-- 
*Cesar Casanova U*.
*cel (+56 9)95905580*
www.kamet.cl
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