[Gasification] Results of wood burning contest Fwd: December Wood Heat Newsletter

Jason urepedese at gmail.com
Fri Dec 27 14:28:52 CST 2013


Thanks Tom and Mark,

Tom I have to be careful with disseminating too much information as there
is a lot of time an money invested in this and it is yet to make a return.
For the moment I don't have an income so I need it to work.

I don't think it would take too much for a man or your calibre to work it
out, the design itself is really simple but then it took me two years to
get it that way. Once my financial position is assured I will disseminate
more information but PM me if you want more detail that I provide here.

In terms of stoves it turns an old stove into downdraft and that is nothing
new, Lopi and Vermont Castings have downdraft models. One of the keys to
the clean burn is through getting the combustion temperature closer to
adiabatic through the configuration, I believe it is this that helps
consume all the carbon monoxide. Although with downdraft it can be prone to
picking up a bit of ash. The trick is in the tuning and I learnt a lot more
about that at the Decathlon as that was the first time I have had a gas
analyser on it. Since the Decathlon I have had ideas on how to improve it
further so more R&D is ahead, but the basic unit works pretty well.

What I did just before the Decathlon is purpose build a prototype stove for
burning wet wood. This was done at the request of a businessman interested
in my technology and had done some of his own evaluation on the retrofit
(subject to an NDA). The retrofit has the added bonus of permitting the use
of damp wood, or up to 30% moisture content, so this businessman requested
I try to push this further to suit the unseasoned wood that is available on
his local market. Unfortunately wet wood performance wasn't measured at the
Decathlon or the result may have been very different. The prototype I have
will burn wood at 45% moisture content with no visible smoke. Both versions
do of course require warming up on dryer wood. What I want to test next is
whether I can also get the damp/wet wood performance to zero as well.

In terms of emissions I see wet wood performance in a retrofit as a real
way forward, especially given estimates of between 7 & 10 million older
wood stoves in the USA alone.

I haven't yet seen a way forward for a TLUD application unless it is fan
assisted but my mind is always full of ways to try and improve various
types of combustion.

One think you, or someone else, may be able to help with that I have been
seeking an answer for is the energy balance when wood derived steam is
passed through the charcoal bed but then the resultant gases burnt in situ.
I am a designer rather than a scientist or engineer so that one is beyond
my high school chemistry.

Kind Regards

Jason


On Fri, Dec 27, 2013 at 7:03 PM, Tom Miles <tmiles at trmiles.com> wrote:

> Jason,
>
>
>
> Well done. How does I work?
>
>
>
> Tom
>
>
>
>
>
> *From:* Gasification [mailto:gasification-bounces at lists.bioenergylists.org]
> *On Behalf Of *Jason
> *Sent:* Thursday, December 26, 2013 8:51 PM
> *To:* Discussion of biomass pyrolysis and gasification
> *Subject:* Re: [Gasification] Results of wood burning contest Fwd:
> December Wood Heat Newsletter
>
>
>
> As a subscriber and reader of these lists for some years now I feel it is
> appropriate to comment on this topic since I was a finalist in this contest
> with The IntensiFire technology. I was contemplating a reply but given the
> relevant thread started by Ken Boak I thought I had better jump in sooner
> rather than later.
>
>
> http://forgreenheat.blogspot.co.nz/2013/12/a-brief-analysis-of-stoves-at-wood.html?utm_source=December+13+Newsletter&utm_campaign=december+Newsletter&utm_medium=email
>
> What will be of interest to you all is that one of the judges recognised
> The IntensiFire for what it is, and what I intended it to be, a gasifier
> within a stove.
>
> The stove I retrofitted for the Decathlon was an old Treemont, perhaps 30+
> years old, and was destined for the scrap metal dealer. It was problematic
> for me as it was 2.5x larger than any wood stove I had worked with before
> and I spent the entire contest tuning it. The 8" flue was also new, having
> previously only worked with 150mm.
>
> My best performance was delivered on the last day and unfortunately as I
> had operated the stove was not an independent test so don't believe it is
> reflected in the judging. That test produced zero emissions using the Testo
> 380, I don't have the official results back yet from Brookhaven National
> Laboratory but am keen to get my hands on it. Zero meaning zero
> particulates and zero carbon monoxide, or as Trevor Gionet described it
> "perfect combustion"(screen shot available). The test was of course only a
> 15 minute sample from a batch burn but in this instance the insane stack
> temperatures mean the gas analyser overheated at around the 12 minute mark.
> I am glad you posted the link Paul as it was one that I had missed. I had
> believed that the crazy stack temperatures had hurt the efficiency figures,
> but to beat out the 82% certified stoves in this category was satisfying.
>
> It seems there may well be a future for this technology but I am learning
> all the time, these lists are of course a part of my education :-)
>
> Great work by John Ackerly in putting the event together.
>
> Both Popular Mechanics and National Geographic published the results.
>
>
> *http://www.popularmechanics.com/home/improvement/energy-efficient/woodstock-soapstone-captures-the-wood-stove-decathlon-grand-prize-16180264?click=main_sr
> <http://www.popularmechanics.com/home/improvement/energy-efficient/woodstock-soapstone-captures-the-wood-stove-decathlon-grand-prize-16180264?click=main_sr>http://news.nationalgeographic.com/news/energy/2013/11/131120-wood-stove-decathlon-winners/
> <http://news.nationalgeographic.com/news/energy/2013/11/131120-wood-stove-decathlon-winners/>*
>
>
>
> Regards
>
> Jason
>
>
>
>
>
>
>
>
>
> On Thu, Dec 5, 2013 at 5:35 AM, Paul Anderson <psanders at ilstu.edu> wrote:
>
> Dear all,
>
> The message below gives you links to a variety of internet sources for
> learning about the results of the very well organized competition (The Wood
> Stove Decathelon) about improvements for clean efficient burning of
> cordwood (only cordwood).
> It is not specific about gasification.
> It is not specific about stoves for developing societies.
> It is not about devices that make biochar.
>
> But I think and hope that many readers will find useful information.
>
> There were 12 contestants.  For a short summary, the top 6 devices in each
> of 7 ratings are discussed in:
>
>
> http://forgreenheat.blogspot.com/2013/12/a-brief-analysis-of-stoves-at-wood.html?utm_source=December+13+Newsletter&utm_campaign=december+Newsletter&utm_medium=email
>
> The lead sponsor of the competition is the Alliance for Green Heat, at
> this website:
>
> http://www.forgreenheat.org
>
> PLEASE REPLY *ONLY *TO YOUR RESPECTIVE LISTSERVS AND ONLY ABOUT TOPICS
> IMPORTANT FOR THAT LISTSERV.
>
> Paul
>
>
>
> Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
>
> Email:  psanders at ilstu.edu
>
> Skype: paultlud      Phone: +1-309-452-7072
>
> Website:  www.drtlud.com
>
>
>
> -------- Original Message --------
>
> *Subject: *
>
> December Wood Heat Newsletter
>
> *Date: *
>
> Wed, 04 Dec 2013 06:05:28 -0500 (EST)
>
> *From: *
>
> Alliance for Green Heat <john at forgreenheat.org> <john at forgreenheat.org>
>
> *Reply-To: *
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> *To: *
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> psanders at ilstu.edu
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> *Maryland Raises Rebate Amounts and Indefinitely Extends Wood Stove Rebate
> Program
> <http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0RlbyrWakyQ600swDjtztTMUqfbdSBJNLv29SD3ZP0KrHVOdWSliA4NyUiPKRpFGDzeFxEsbSWXKVVAkzi7mSNOuvCTjRvZTiEXC_rLe4ewnm2naD_PzZjIy0jJ5lyq1vVCsgcJB5Ud2eHVYHLJIXLQPdFgNiraDBN8SbXFGR9okFIZkWp4V1T4RAXpMh1LzfBEwEBctge1nch7SkyJLKi8ik8sL1kFn5EU-k3eh-vXuN1OtN0w9lEkRWYOZS1f1iSXkTFO-FAMmrXEQmS3tuSV5yrSHefKW4C-B4If3NpgTN-qn8zWbPQ284zOXVEj1y1XjN&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>*
>
>
>
> *AGH News*
>
>
>
> Board Member Ben Larson quoted in *article*<http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0Rlbyh_2XIVj3r6-pYnFjkdjh1uwgCP6mr5jqKcuTIiThexXsXEGFZ6Dk0pK4ffGG4HHAwMYieKbb1ukaJ5w5xx8eG8VCrNjKX4K6l9hTSI7ytvkOjvIu93BT5ukkgMtZPm0RrUVweTILDYVV2rPmOLevVVP9ISKlrZmAD027hcCqxvQaupEwYm4mWnA62FspEq_TuFtet7LYLSqjcgCGJiCsCshmVSeXeuFHjak7QRLatODDR78U5RfPEfBVif_NjWYUYIqqw5NE5cz9c-Bx2nJfxg==&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==> about
> biofuels and grasslands.
>
>
>
> *Office Equipment Needed*
>
> Have a printer, scanner or computer that is still relatively up to date
> and in good working order that you don't need? Donate it to the Alliance
> for Green Heat and get a tax credit. Contact: *info at forgreenheat.org*<trevor at forgreenheat.org>
>
>
> *Woodstock Soapstone, Travis and Wittus Win the Wood Stove Decathlon*<http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0Rlby1GifrLTGdaJ9Ch6cDG0VHVPN--WUMMIttEtz0uLnmvcF0mBsLASY7jqOSAV3fEwCcdzGJg3pVhVyqpXt28vIGl44fyoStoC6tHAZMAaeNbuIImBcMXpzvEAwO-Yw10yjJV-xo74DdFuEk1Es86gF6eUDJDkrZC1vf9LWs99AL-P8rQNY0WDu4PtqK1IPY4V-GJDTegJcucZWmD2pSW0kGhMXLGVH7j3HC3M_z_ddnOg_jn15AfnGbmXL1OjxlUxEVxXwlF0EwfitMYDeSVV2qMPMda_OGBFNMDCK5q8LB34Tptin8DAGWBwi8UhY8UuOMuRWBGFo-mQ=&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>
>
>
> Woodstock Soapstone from New Hampshire took home the grand prize of
> $25,000 at the first ever Wood Stove Decathlon held on the National Mall.
> The Wittus Twinfire and Travis Cape Cod tied for 2nd place.
>
>
>
> *Contest Aims for a Cleaner-Burning Wood Stove*<http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0RlbyUN8dZfAyym9DNQpcfhy7RLQdn0wziBZr-AC_eSjgJdS6g2DO4F8b6fkbvcL-4P5lKs_ASV0cs9TykQpH_3PeHPMhB2QTOXTOPaXXioEzpbGZiJ2QcZQGXWQ3nQ5MeQlFOgvMjzaL_7ukxH4RlVIm9t8Fre8VBLj6c2V6EDLRrFAbTPDOfYnH4cJpR4VfAigS3NI-4sHf8Xjy95wDs-L4Os3HMUzqSEDvGnsaHRnudt2TJpBM-J-ULA3Lq62Lco1OBH3oOEcZ15wFFK6nhwzYTMvtTbXodl_oR27iQ3c-3lfGmdg8FyVgdxHDSrYhD1OhH96Rb_CBqpoEaJRQLldEoGZR9URBaA1fNSmd1C3Uk7vGd6KyPHLfVw==&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>
>
>
> New York Times reporter Matt Wald covered the Wood Stove Decathlon: the
> competitors are "finding ways to get twice as much heat out of a log of
> firewood. The effort preserves woodlands, reduces the labor and expense ...
> and cleans the air."
>
>
>
> *Brief Analysis of the Top Ranked Stove in the Decathlon
> <http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0Rlbyg7LtX1kTxbVbW26TKWuGYDjnlLSkb_Q0RBw-x9b42PxxuLyj7kwouri4JXFEhqDiHsegp76Lb1eQ4FMrLIh24cGXsS4VCbRWah9xESsw1hDsVBoSZBB03cFJ2rLWlDHRd_qCQY8eFx4rd7MTrv6s0sGpUtjrx-rgxYu--EkJowsE4W58ZNcL3uRUDW2jWm7kLmv52oArlGpUYF9zLfgmSsuiM6sll99sNlKYl6bsXwsYRbDIxexiKpiHjhbvWw9MLWrKhzAbr-P2R0EfuHVY1HWCVPeRfBJge-Co2lkojz7E4xIj_RdXmm0rOcMnPhCY9kuIE5plxOI=&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>*
>
> Here we list the top 6 stoves in each scored category and note the trends
> between stove classes and some of the stand out performances of stoves that
> did not win prizes.
>
>
>
> *Video*
>
>
>
> *Winning Wood Stove Designs Announced*<http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0RlbyOFA6jCcbSwR-0KTYdl7X9zTBpqj77L_hSuvs30bVyiMu-TWFS4XCaou-xwId8cOjixf-U8aWnFrQGldgqJinNRAeJoCGvyO0l_NuYwLe-d8QpDrhXZaxnVCvoDNU6Ajq7lazRR3F9725A-Z_1dGpAUBa--3LbiD5L7HtcKWfsCypuBZuABKQGrgkz09TAHJmrtPw_0Wbj9tZpAuxj0V-FP9JGXpWJaA9xDyIojcPfXAaanUXvkGDCm7QS_cjtLqTFAldXB1M_lQXn0zkFDp-yZS79uVXFuFqU4_cS3sUB1YtDCY6Ta82bItW2xk9Iki4-r2v2O6a84rOoQ14R3vg4YoSgTjldxxT&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>
>
>
> A short, comprehensive National Geographic video
>
> of the event and the award ceremony. Interviews with John Ackerly of
> Alliance for Green Heat, Tom Butcher of Brookhaven National Lab, Tom
> Morrissey of Woodstock Soapstone and Taylor Myers of the University of
> Maryland team.
>
>
>
> *Photos *
>
>
>
>
> <http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0Rlby09o6aEt1PrCrq_Rcpv3WNy70uHrAFf1u3qkek1k5NkqbZFAWtWIe5q_ijIy8JIpC3pHZA8rd_Qkx2HxEKPXY0X-4q0hyISoR6AT1nn6XGDx9l5eb6sPI7kKjBfw15MxZkCFzzFO6f61V12xPW1V1ZMl_NxDE-Mzg3sIXmxzkEZhbNtZ2vznIiYPa17c8AT4dfTxE8jCrheRbHt6HV7YYnUlcupALRHiAb_ok_JyV6dv0q44wtKytrlM38w6jte7wsY7jwd8D1f_OVslPg-FnEl4DoQZavj-OYf6FaBCPSVs=&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==><http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0Rlby09o6aEt1PrCrq_Rcpv3WNy70uHrAFf1u3qkek1k5NkqbZFAWtWIe5q_ijIy8JIpC3pHZA8rd_Qkx2HxEKPXY0X-4q0hyISoR6AT1nn6XGDx9l5eb6sPI7kKjBfw15MxZkCFzzFO6f61V12xPW1V1ZMl_NxDE-Mzg3sIXmxzkEZhbNtZ2vznIiYPa17c8AT4dfTxE8jCrheRbHt6HV7YYnUlcupALRHiAb_ok_JyV6dv0q44wtKytrlM38w6jte7wsY7jwd8D1f_OVslPg-FnEl4DoQZavj-OYf6FaBCPSVs=&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>*Wood
> Stove Decathlon 2013 in Photos*<http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0Rlby09o6aEt1PrCrq_Rcpv3WNy70uHrAFf1u3qkek1k5NkqbZFAWtWIe5q_ijIy8JIpC3pHZA8rd_Qkx2HxEKPXY0X-4q0hyISoR6AT1nn6XGDx9l5eb6sPI7kKjBfw15MxZkCFzzFO6f61V12xPW1V1ZMl_NxDE-Mzg3sIXmxzkEZhbNtZ2vznIiYPa17c8AT4dfTxE8jCrheRbHt6HV7YYnUlcupALRHiAb_ok_JyV6dv0q44wtKytrlM38w6jte7wsY7jwd8D1f_OVslPg-FnEl4DoQZavj-OYf6FaBCPSVs=&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>
>
>
> A great photo essay by Norbert Senf a Decathlon judge and Board member of
> the Masonry Heater Association of North America. Includes photos of the
> tent, stoves, judges and panels.
>
>
>
>
>
> *Janet McCabe from EPA Visits Decathlon*<http://r20.rs6.net/tn.jsp?f=001U5lGWGtIPxPOpl0h5-VfDkiU0_SRRLFFVt100pR1ZP33I5M-OXyglUHWblo0RlbySRJWa3dthfElzpe8KJDr9oiidnxxxUSdESARGKLYYDknth_Q931dIWtqx1hzJpPOVZW-Rf3BVffSwl1xSAK4MFGFmVZi04fppoN_EPwspEoJgYmJbJRqEyT-ebCLt2RVu63Nxz0mWaR2CO4I9rGwksIYgh7IGQfBRCD-v-dDowx4aalLPxM7DXilCFtjegvoMig3M5goxWvdeq257d2aBpt5v2i4owB1GNvScy-Ly9k=&c=uk7ZhZ2KKpyqUsh98GHq29NJdrQP897YrhJkE0Bz8H6wTkzCmaSerA==&ch=Eo0iuwpqlDf2FckLSjJWd4P5ptOT-8rFnNcztcrD2eUGMP1IPRYUWg==>
>
>
> Acting Assistant Administrator of the EPA, Janet McCabe, attended the Wood
> Stove Decathlon. Here, she is speaking with Stephen Rhodes about his Hwam
> stove outfitted with an oxygen sensor, onboard computer, fans and a
> handheld monitor that tells when the optimum time is to load more wood.
>
>
>
>
>
> *Popular Mechanics *
>
> ...
>
> [Message clipped]
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