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<div class="moz-cite-prefix">Rolf,<br>
<br>
Yes, we would like to know the prices. This Listserv is not for
commercial purposes, but you can certainly inform us of the prices
here because so many people want to know. And not all want the
USA prices. Basic price where manufactured. And I want to know
about getting units in eastern Africa (specifically Uganda).<br>
<br>
Question: Wouldn't it make more sense to have the
chopping/shreading/grinding to be done separately from the machine
that does the pelletizing? That would allow the user to make
appropriate mixtures for the pellets.<br>
<br>
So I ask: Can you make and sell the pelletizer unit
separately? Prices please.<br>
<br>
I like the ability to have different diameters of pellets!!! <br>
<br>
Finally, where can we see independent reviewer comments about your
machines? And comparative info with other pelletizers?<br>
<br>
As we (generic we because there are several efforts) advance with
TLUD stoves in eastern Africa, there could be considerable market
for appropriately priced and reliable pelletizing equipment.
Small units are fine. Labor costs are so low, so it is vastly
different from the USA and Europe situations. Do you have any
representation in Africa?<br>
<br>
Paul<br>
<pre class="moz-signature" cols="72">Paul S. Anderson, PhD aka "Dr TLUD"
Email: <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a> Skype: paultlud Phone: +1-309-452-7072
Website: <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
On 9/30/2012 4:35 AM, Energies Naturals C.B. wrote:<br>
</div>
<blockquote cite="mid:50681269.9010405@gmx.de" type="cite">
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
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 moz-do-not-send="true" 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">
<meta http-equiv="Context-Type" content="text/html;
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>
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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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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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