Michael,
At least as important as the source of the heat, the "dryer" device (the
application of the heat) needs to be described. Could be several models,
or just one. Please describe the options. And give us some numbers
of quantities, size of pieces, moisture content at start and finish, etc
so that the quantifiers among us can make some calculations on amount of
heat needed.
Paul
Paul S. Anderson, PhD aka "Dr TLUD"
Email: [email protected] Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
On 4/15/2013 5:27 AM, mtrevor wrote:
Dear All
I have been lurking in the background but following all with the
greatest of intereset.
Here in the Marshall Islands one of my longest desires is a better
copra drier fueled by biomass
and producing biochar as a by-product. This would also put all action
at a local producer level
as copra making is at the house hold level spread over hundred of
islets on 30 some atolls spread
100's of thousands of square miles. If the retort is fueled by
coconut shell the obvious resale of shell charcoal
is a given. However the use of other material particularly fronds and
husk would be a real plus.
Considering a small burner of to the side for cooking would possible.
Since much copra drying is
a nigthtime activity does anyone know if producer gas has even been
tried in a gas mantle lamp?.
Atoll soil is poor nutrient wise and biochar might have good effect
from what small efforts I have done
in the past.
The truly intriguing thing is all the little glimmers that keep
showing up that indicate whole new sustainable
"Jeffersonian" models that could be built. What is scary at the same
time is the philosophy of "newer bigger better." which
seems to be diametrically opposed to terra pretta biochar and biomass
fuel type system. There are a lot of corporations world
wide with vested interests which may not be supportive at all.
We won't be here by Hawking's warning migh have merit
"Stephen Hawking, one of the world's greatest physicists and
cosmologists, is once again warning his fellow humans that our
extinction is on the horizon unless we figure out a way to live in
space. Not known for conspiracy theories, Hawking's rationale is that
the Earth is far too delicate a planet to continue to withstand the
barrage of human battering. 'We must continue to go into space for
humanity,' Hawking said today, according to the Los Angeles Times. 'We
won't survive another 1,000 years without escaping our fragile planet.'"
SO GAS IS GOOD
----- Original Message ----- From: "Paul Anderson" <[email protected]>
To: "Discussion of biomass cooking stoves"
<[email protected]>
Sent: Monday, April 15, 2013 2:03 PM
Subject: [Stoves] Applications of TLUD heat - not for cooking
Dear Paul O.
Your example of use of TLUD heat is of great interest. Could you
please expand on it as a small Word document or PowerPoint, with some
photos? A functioning example is worth 10 in the discussion process.
Thanks,
Paul A.
Paul S. Anderson, PhD aka "Dr TLUD"
Email: [email protected] Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
Note that it is not necessary to pelletize rice hulls or coffee
husks. They gasify quite well in their undensified state. But
pelletizing makes transport so much easier, and pelletizing becomes
essential when long, uninterrupted batch cycles are needed. In one
commercial setting in Saigon, ten of my small gasifiers were set up
in a single paint drying facility. The reactors are loaded with rice
hull pellets, and the batch cycle in this case lasts for more than
five hours. The factory is now in a position to sell rice hull
biochar to local farmers at a higher price than the pellets from
which the biochar was derived. No more bottled gas is used in this
facility. The owner of this factory just bought a small pellet
machine and will start making his own rice hull pellets. He will
soon become an important producer of rice hull biochar, and the gas
he needs to fuel his paint-drying facility is for free.
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