Dear Ron, the material to be charred in our kilns has to be dry. We tell it to users. Yours A.D.Karve
On Sun, Sep 30, 2012 at 8:18 AM, Ronald Hongsermeier <[email protected]>wrote: > Dear Alex, > > 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. > > I think my first sentence above applies to both DD (Imberts or others) and > TLUD's. > > regards, > Ronald von der Oktoberfestnähe > > (mein heutiger Name wird nur dann getragen bei einer > Bierleichensichtungsrate von > 1 / Tag ;-) ) > > > > > > On 29.09.2012 20:55, Alex English wrote: > > Tom, > 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. > > Combustion was measurably good to very good nineteen times out of twenty. > > So, what indeed is the limit? > Alex > On 2012-09-29 11:47 AM, "Tom Miles" <[email protected]> wrote: > >> AD, Paul, Kobus and others. Many thanks for the suggestions. >> >> >> >> 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. >> >> >> >> Tom >> >> >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Anand Karve >> *Sent:* Friday, September 28, 2012 11:22 PM >> *To:* Discussion of biomass cooking stoves >> *Subject:* Re: [Stoves] Fabricated Burn Barrel TLUDS >> >> >> >> Dear Tom, >> >> 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. >> >> 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. >> >> Yours >> >> A.D.Karve >> >> On Fri, Sep 28, 2012 at 11:42 PM, Tom Miles <[email protected]> wrote: >> >> 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? >> >> >> >> Thanks >> >> >> >> Tom Miles >> >> >> _______________________________________________ >> Stoves mailing list >> >> to Send a Message to the list, use the email address >> [email protected] >> >> to UNSUBSCRIBE or Change your List Settings use the web page >> >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org >> >> for more Biomass Cooking Stoves, News and Information see our web site: >> http://www.bioenergylists.org/ >> >> >> >> >> -- >> *** >> Dr. A.D. Karve >> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI) >> >> >> _______________________________________________ >> Stoves mailing list >> >> to Send a Message to the list, use the email address >> [email protected] >> >> to UNSUBSCRIBE or Change your List Settings use the web page >> >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org >> >> for more Biomass Cooking Stoves, News and Information see our web site: >> http://www.bioenergylists.org/ >> >> >> > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web > pagehttp://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web > site:http://www.bioenergylists.org/ > > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1427 / Virus Database: 2441/5298 - Release Date: 09/29/12 > > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > > -- *** Dr. A.D. Karve Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
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