<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Rolf, <div class="">Do you know about BIomacon? </div><div class=""><a href="https://www.biomacon.com/startseite?lang=en" class="">https://www.biomacon.com/startseite?lang=en</a> </div><div class="">I met people whose neighbours have installed one in Germany and it seems to be working ok. I was also in touch with the people who make them to find out if and at what cost I could get one to Malawi </div><div class=""> <br class=""><div class="">
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">Best regards</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">Christa</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><br class="Apple-interchange-newline">
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<div><br class=""><div class="">Am 02.12.2019 um 20:41 schrieb <a href="mailto:ajheggie@gmail.com" class="">ajheggie@gmail.com</a>:</div><br class="Apple-interchange-newline"><div class=""><div class="">On Mon, 2 Dec 2019 at 11:58, Energies Naturals C.B.<br class=""><<a href="mailto:energiesnaturals@gmx.de" class="">energiesnaturals@gmx.de</a>> wrote:<br class=""><br class=""><blockquote type="cite" class="">do you know of any proven biomass boilers in the domestic and institutional power range<br class="">(15 - 150 kWth) which also produce biochar?<br class=""><br class=""></blockquote>Rolf<br class=""><br class="">Some years back Alex English, who runs a large biomass chip stoking<br class="">furnace in Canada, posted on here his modification of said burner to<br class="">produce biochar.<br class=""><br class="">He essentially cut the primary (under) air to the chain grate, so that<br class="">fresh dry wood chip fell onto the very hot chain grate where it<br class="">pyrolysed in the absence of under air and with the aid of radiant heat<br class="">from the secondary flame overhead. The hot char was then augered out<br class="">by the normal ash removal mechanism and quenched and removed via a<br class="">water sealed auger IIRC, I hope Alex is still reading here to comment.<br class=""><br class="">Following Alex's lead I modified the feed characteristic of a Kob<br class="">500kW boiler with a walking floor grate by cutting primary air and<br class="">speeding up the grate and ash removal. My experiment made a char with<br class="">considerable ash in it but I couldn't sustain the experiment as we had<br class="">no outlet for the char.<br class=""><br class="">Andrew<br class=""><br class="">_______________________________________________<br class="">Stoves mailing list<br class=""><br class="">to Send a Message to the list, use the email address<br class=""><a href="mailto:stoves@lists.bioenergylists.org" class="">stoves@lists.bioenergylists.org</a><br class=""><br class="">to UNSUBSCRIBE or Change your List Settings use the web page<br class="">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org<br class=""><br class="">for more Biomass Cooking Stoves, News and Information see our web site:<br class="">http://stoves.bioenergylists.org/<br class=""></div></div></div><br class=""></div></body></html>