<div dir="ltr">Hi Norm;<div><br></div><div>The photograph is of a double-walled TLUD with pre-heated secondary air. The 55 gal. drum has no bottom. The 35 gal drum is the TLUD reactor.</div><div><br></div><div>However, I have put the same burner on at single-walled 55 gal. TLUD, with a gap between the top of the drum and the lid supporting the burner.</div><div><br></div><div>Cheers,</div><div>Julien.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 28, 2019 at 10:22 PM Norman Baker <<a href="mailto:ntbakerphd@gmail.com">ntbakerphd@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">Julien;</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">Thank you so much. Now that I see the nozzle, I remember it well. Seems like a good idea to promote mixing.</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">The 55 gal. barrel has holes in the bottom like a TLUD? And, I assume the 35 gal. is a retort?<br><br>By the way, David Yarrow now lives just south of Olympia Washington where he is very active in a soils group called Nutriculture. Very interesting man.<br><br>Norm<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 28, 2019 at 4:41 PM Julien Winter <<a href="mailto:winter.julien@gmail.com" target="_blank">winter.julien@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Norm;<div><br></div><div>The nozzle discussed above would replace a concentrator ring in a ND-TLUD cookstove, or go at the bottom of an internal riser burner.</div><div><br></div><div>For a 55 gallon TLUD, a nozzle can be adapted from black stove pipe expanding/reducing connectors. There is a picture of one (attached) that I built in 2013, following the advice of David Yarrow. It is a 35 gallon drum inside of a 55 gallon drum. David suggested cutting diagonal slits in the side of the expanding connector to create a tertiary air entry point. Later, I attached three cable guy-wires, with turn-buckles, to stabilize the stack. I don't have it any more. I gave it away to a friend.</div><div><br></div><div>For these nozzles, I assume that there is a large degree of mixing of secondary air and pyrolytic gases before they enter the nozzle.</div><div><br></div><div>Cheers,</div><div>Julien.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 28, 2019 at 12:53 PM Norman Baker <<a href="mailto:ntbakerphd@gmail.com" target="_blank">ntbakerphd@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">Julien;<br><br>I'm not sure I entirely understand where you put the nozzle? Where would you suggest in my 55 gal. TLUD?<br><br>Norm<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 28, 2019 at 6:58 AM Anderson, Paul <<a href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal">Julien, (and to the Stoves Listserv, and for posting at my website
<a href="http://www.drtlud.com/eposts" target="_blank">www.drtlud.com/eposts</a> )<u></u><u></u></p>
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<p class="MsoNormal">Interesting. <u></u><u></u></p>
<p class="MsoNormal">Are the nozzles with slanted walls (like in a funnel) or with straight sides? What diameters at each end for what sized of TLUD gasifiers?<u></u><u></u></p>
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<p class="MsoNormal">Paul<u></u><u></u></p>
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<p class="MsoNormal">Doc / Dr TLUD / Paul S. Anderson, PhD<u></u><u></u></p>
<p class="MsoNormal">Exec. Dir. of Juntos Energy Solutions NFP<u></u><u></u></p>
<p class="MsoNormal">Email: <a href="mailto:psanders@ilstu.edu" target="_blank"><span style="color:rgb(5,99,193)">psanders@ilstu.edu</span></a> Skype: paultlud<u></u><u></u></p>
<p class="MsoNormal">Phone: Office: 309-452-7072 Mobile: 309-531-4434<u></u><u></u></p>
<p class="MsoNormal">Website: <a href="http://www.drtlud.com" target="_blank"><span style="color:rgb(5,99,193)">www.drtlud.com</span></a>
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<p class="MsoNormal"><b>From:</b> Julien Winter <<a href="mailto:winter.julien@gmail.com" target="_blank">winter.julien@gmail.com</a>> <br>
<b>Sent:</b> Thursday, March 28, 2019 8:31 AM<br>
<b>To:</b> Norman Baker <<a href="mailto:ntbakerphd@gmail.com" target="_blank">ntbakerphd@gmail.com</a>><br>
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<p class="MsoNormal">Hi Norm; <u></u><u></u></p>
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<p class="MsoNormal">Instead of a concentrator ring, try a nozzle. A nozzle brings the burning gases together without the shape edges of a concentrator ring. The sharp edges could generate soot. A nozzle has smooth edges. TLUD nozzles are being manufactured,
but they are being misused!! People are turning them upside down and using them to load mason jars with food. So, you can find TLUD nozzels on the shelves for food canning supplies in hardware stores.<u></u><u></u></p>
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<p class="MsoNormal">The reason why I got into the stove burner design business about five years ago was because when I used concentrator rings, I got deposits on the bottom of pots.<u></u><u></u></p>
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<p class="MsoNormal">Cheers,<u></u><u></u></p>
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<p class="MsoNormal">Julien.<u></u><u></u></p>
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<p class="MsoNormal">On Thu, Mar 28, 2019 at 1:47 AM Norman Baker <<a href="mailto:ntbakerphd@gmail.com" target="_blank">ntbakerphd@gmail.com</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Tahoma,sans-serif">Paul;<br>
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I assume you mean the diameter of the stack or combustor? In prior tests with concentrator rings, a whole that has a diameter of 70% of the stack seem to be adequate. Lately, I have been going to about an 80% diameter. In one publication I read the stack diameter
should be at least 60% of the feedstock barrel diameter. Otherwise the time needed for gases to exit the combustor became too fast and hence too short for complete combustion. Is this your experience? And how about the rest of you chiming in on this.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:12pt;font-family:Tahoma,sans-serif">Norm<u></u><u></u></span></p>
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<p class="MsoNormal">On Wed, Mar 27, 2019 at 8:05 PM Anderson, Paul <<a href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">Norm,<u></u><u></u></p>
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<p class="MsoNormal">In general, the diameter of the hole is about half of the diameter. But there might not be any visible (noticeable) impact if reduced or enlarge 10 to 20% of the size of the
hole. Trial and error are your best bets to get this refined. <u></u><u></u></p>
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<p class="MsoNormal">I look forward to hearing of your results.<u></u><u></u></p>
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<p class="MsoNormal">Paul<u></u><u></u></p>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail-m_-5211413708228485950gmail-m_-3969653933063409341gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Julien Winter<br>Cobourg, ON, CANADA<br></div></div></div></div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Julien Winter<br>Cobourg, ON, CANADA<br></div></div></div></div></div></div>