<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Rolf</div><div><br></div><div>Cost FOB US?</div><div><br></div><div>Do you have a US Supplier? I didn't see one on your site. </div><div><br></div><div>Thanks</div><div><br></div><div>Tom<br><br>T R Miles Technical Consultants Inc. <span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); "></span><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); "><a href="mailto:tmiles@trmiles.com">tmiles@trmiles.com</a></span></div><div><span class="Apple-style-span" style="-webkit-tap-highlight-color: rgba(26, 26, 26, 0.292969); -webkit-composition-fill-color: rgba(175, 192, 227, 0.226562); -webkit-composition-frame-color: rgba(77, 128, 180, 0.226562);">Sent from mobile. </span></div></div><div><br>On Sep 30, 2012, at 2:35 AM, "Energies Naturals C.B." <<a href="mailto:energiesnaturals@gmx.de">energiesnaturals@gmx.de</a>> wrote:<br><br></div><blockquote type="cite"><div>
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Hallo Paul, Ron and others,<br>
<br>
uniformizing low density fuels and uneven size fuels has always been
a problem.<br>
I found a good solution in the Ecoworxx all-in one pelletizer.<br>
This is a unique device which has a big hopper on top and a rasping
drum underneath it.<br>
It will reduce virtually any feedstock less than 12 cm diam to
particles between 1 and 6 mm.<br>
These fall into a mixing chamber below where the moisture content is
measured and -if too dry- water is added by an automatic pump. <br>
A second moisture sensor at the entrance to the dosifying screw
regulates the addition of water.<br>
The ground biomass is fed into the flat die press underneath and
leaves it as prime grade pellets.<br>
You can change the die in 10 minutes and have the choice to produce
6 -8 -12- 16 -20 -and 25 mm pellets on the same machine!<br>
It doesn´t come from China, though because despite the price
advantage, all the units I saw never met the quality standard for
trouble free use. And you cannot move away from them because they
have to be fed continuously.<br>
Our machine is entirely designed and manufactured in Germany, meets
the CE requirements and really works!<br>
<br>
If you are interested, come to the Expobioenergia fair in
Valladolid/Spain on 23-25.Oct. this year where we shall expose two
working units.<br>
<br>
We just pelletized whole canes of Arundo Donax in one go into
wonderfull hard 6 mm fuel pellets!<br>
<br>
Many more samples have been tested successfully. We would be happy
to test yours!<br>
<br>
No time to visit the fair?<br>
Check <a class="moz-txt-link-abbreviated" href="http://www.ecoworxx.de">www.ecoworxx.de</a> and if you call or write in my name they will
know your problem !<br>
<br>
Rolf Uhle<br>
<br>
Energies Naturals C.B.<br>
<br>
(sober again, Ron?)<br>
<br>
<br>
<br>
<br>
Am 30.09.2012 05:39, schrieb Paul Olivier:
<blockquote cite="mid:CAOreFvZehBpobugeLuF2PNccv1-rg9uJe5nkz40hQSA-j-aRmA@mail.gmail.com" type="cite">
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charset=windows-1252">
Ron,<br>
<br>
You bring up a very good point here. If the biomass is uniform,
granular and dry, it becomes very easy to process in a TLUD. That
is why it is so appealing to work with biomass that is already
uniform, granular and dry, such as rice hulls and coffee husks. <br>
<br>
But if we have biomass that is not uniform, granular and dry (such
as straw, pine needles or sawdust), then we might think about
drying and pelletizing it. In this way we have a top-quality
gasifier fuel. This allows us to take full advantage of both the
biochar and gas. In the case of rice hulls and coffee husks, the
gas has a much greater commercial value than the biochar. In
making biochar it is such a pity to waste the gas.<br>
<br>
Also when we pelletize biomass, the bulk density can reach as high
as 600 kgs/m3. This means that if we use a gasifier for purposes
of household cooking, the height of the reactor has to be only a
fraction of the height of a reactor utilizing undensified biomass
such as rice hulls (of a bulk density of less than 100 kgs/m3). If
we do not change the height of the reactor, then cooking times per
batch can last three or four hours. When we have thousands of
households and small business using gasifiers, then we do not have
to think about making biochar as an independent activity.<br>
<br>
I really like small pellets of a diameter of about 6 mm. Of course
there is the cost of buying a pellet machine. But they are quite
cheap out of China. And there is the cost of electricity or fuel
to make the pellets. But this cost is easily offset by the value
of the syngas produced. Even in a poor country such as Vietnam, it
is easy to buy pellets in local markets.<br>
<br>
Thanks.<br>
Paul<br>
<br>
<div>On Sun, Sep 30, 2012 at 9:48 AM, Ronald Hongsermeier <span><<a moz-do-not-send="true" href="mailto:rwhongser@web.de">rwhongser@web.de</a>></span>
wrote:<br>
<blockquote>
<div> Dear Alex, <br>
<br>
I haven't carefully read the whole thread but haven't seen
granularity of fuel addressed. Isn't that what makes a lot
of difference in the flame/gas quality ( along with the
moisture content, of course ) and determines the necessity
of either using or not using forced air? Regarding Dr.
Karve's drums I'm wondering how careful everyone is in
emphasizing fuel moisture and particularity/uniformity
issues in using these tools.<br>
<br>
I think my first sentence above applies to both DD (Imberts
or others) and TLUD's. <br>
<br>
regards,<br>
Ronald von der Oktoberfestnähe<br>
<br>
(mein heutiger Name wird nur dann getragen bei einer
Bierleichensichtungsrate von > 1 / Tag ;-) )<br>
<br>
<br>
<br>
<br>
<div>On 29.09.2012 20:55, Alex English wrote:<br>
</div>
<blockquote type="cite">
<p>Tom,<br>
I guess it may depend on what you consider a clean burn.
My experiments focused the gases through a smaller out
let pipe and then added the secondary air. So for a two
foot diameter drum the pipe was three inches in
diameter. Air was introduced near the top having only
half that distance to penetrate, and combustion occurred
in a six inch diameter chimney , six feet tall above.</p>
<p>Combustion was measurably good to very good nineteen
times out of twenty.</p>
<p>So, what indeed is the limit?<br>
Alex</p>
<div>On 2012-09-29 11:47 AM, "Tom Miles" <<a moz-do-not-send="true" href="mailto:tmiles@trmiles.com">tmiles@trmiles.com</a>>
wrote:<br>
<blockquote>
<div lang="EN-US">
<div>
<p><span>AD, Paul, Kobus and others. Many thanks
for the suggestions. </span></p>
<p><span> </span></p>
<p><span>What is the largest practical size (kg
fuel/hr, kW) for a single TLUD with a clean
stack for heat recovery? There must be a limit
to the air penetration to get a clean gas burn
form a natural draft stack or even a fan
driven TLUD. </span></p>
<p><span> </span></p>
<p><span>Tom </span></p>
<p><span> </span></p>
<p><b><span>From:</span></b><span> <a moz-do-not-send="true" href="mailto:stoves-bounces@lists.bioenergylists.org">stoves-bounces@lists.bioenergylists.org</a>
[mailto:<a moz-do-not-send="true" href="mailto:stoves-bounces@lists.bioenergylists.org">stoves-bounces@lists.bioenergylists.org</a>]
<b>On Behalf Of </b>Anand Karve<br>
<b>Sent:</b> Friday, September 28, 2012 11:22
PM<br>
<b>To:</b> Discussion of biomass cooking
stoves<br>
<b>Subject:</b> Re: [Stoves] Fabricated Burn
Barrel TLUDS</span></p>
<p> </p>
<div>
<p>Dear Tom,</p>
</div>
<div>
<p>we regularly supply charring kilns made out
of used 55 gallon drums. The kilns are based
on the TLUD principle. The cost of a kiln plus
an extra barrel for storing the char, is about
US$100. We have sold more than 100 such
kilns in India and have also trained a number
of persons from India and Africa. These kilns
are so easy to manufacture, that we ask the
trainees to photograph and take measurements
of our kiln so that they can copy the
design. In many instances, people buy a kiln
from us, because they feel that their local
fabricator would be better able to copy the
design from an actual object than from a blue
print or a photograph.</p>
</div>
<div>
<p>The advantage of using 55 gallon drums is
that used drums are available at a relatively
low cost, and the kilns are portable. Instead
of transporting the biomass, one transports
the kiln to the location where the biomass is
available, and brings back only the charred
material, which weighs only a third as much as
the biomass. </p>
</div>
<div>
<p>Yours</p>
</div>
<div>
<p>A.D.Karve</p>
</div>
<div>
<p>On Fri, Sep 28, 2012 at 11:42 PM, Tom Miles
<<a moz-do-not-send="true" href="mailto:tmiles@trmiles.com">tmiles@trmiles.com</a>>
wrote:</p>
<div>
<div>
<p>Am often asked if there is a burn barrel
sized TLUD that is commercially
fabricated. We’ve seen some great DIY with
Doug’s Jolly Roger and others. Is anyone
fabricating a 55 gal drum sized TLUD that
can be used for regular biochar
production? If so, what is the cost and
availability?</p>
<p> </p>
<p>Thanks</p>
<p><span> </span></p>
<p><span>Tom Miles </span></p>
</div>
</div>
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<p> <br>
<br>
<br>
-- <br>
***<br>
Dr. A.D. Karve<br>
Trustee & Founder President, Appropriate
Rural Technology Institute (ARTI)<br>
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-- <br>
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27C Pham Hong Thai Street<br>
Dalat<br>
Vietnam<br>
<br>
Louisiana telephone: 1-337-447-4124 (rings Vietnam)<br>
Mobile: 090-694-1573 (in Vietnam)<br>
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