[Stoves] continuously operating biomass boilers
Christa Roth (bioenergylist)
stoves at foodandfuel.info
Mon Dec 2 21:16:30 CST 2019
Dear Rolf,
Do you know about BIomacon?
https://www.biomacon.com/startseite?lang=en <https://www.biomacon.com/startseite?lang=en>
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
Best regards
Christa
Am 02.12.2019 um 20:41 schrieb ajheggie at gmail.com:
On Mon, 2 Dec 2019 at 11:58, Energies Naturals C.B.
<energiesnaturals at gmx.de> wrote:
> do you know of any proven biomass boilers in the domestic and institutional power range
> (15 - 150 kWth) which also produce biochar?
>
Rolf
Some years back Alex English, who runs a large biomass chip stoking
furnace in Canada, posted on here his modification of said burner to
produce biochar.
He essentially cut the primary (under) air to the chain grate, so that
fresh dry wood chip fell onto the very hot chain grate where it
pyrolysed in the absence of under air and with the aid of radiant heat
from the secondary flame overhead. The hot char was then augered out
by the normal ash removal mechanism and quenched and removed via a
water sealed auger IIRC, I hope Alex is still reading here to comment.
Following Alex's lead I modified the feed characteristic of a Kob
500kW boiler with a walking floor grate by cutting primary air and
speeding up the grate and ash removal. My experiment made a char with
considerable ash in it but I couldn't sustain the experiment as we had
no outlet for the char.
Andrew
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