[Stoves] SPAM Re: SPAM RE: [Biochar] Charcoal producing electrical power plant

Mon Oct 25 06:10:29 CDT 2021

Dear Friends

I concur with Ron's memory. I have seen the unit in Alex English's workplace when running. It is a chain grate combustor burning hammer-milled construction waste with a particle size between 2 and 12 inches.  I once saw 500 tons of it on the premises. Apparently these days the price has made it economically unviable.

The chain grate burner produced heat for greenhouses which gives you an idea about the sale of the op.  By setting the speed of the chain grate. Alex could make ask only, small kibble sized char, or larger as he wished. This addresses the problem raised by Paul.

Alex solved all the problems of loading a few dozen tons of fuel into a flat floored shed. Then feeding that semi-continuously to one side using an anger that could advance laterally along the floor. Then a conveyor that removed one-sided pieces, and an elevator that dropped fuel into a rotating X each cavity of which drops a portion into the combustor, variable speed, of course.

The system was run by a laptop and (what really impressed me) sent him an email in the night if something when wrong, alerting him as to the nature of the problem.

It could make as much heat and char as was required.

You will not want to build one of these systems in your garage. You could probably build a scale model fuel with sawdust.

Regards
Crispin
From: psanders at ilstu.edu
Sent: October 24, 2021 11:09 PM
To: main at Biochar.groups.io; gkharris316 at comcast.net; stoves at lists.bioenergylists.org
Reply to: stoves at lists.bioenergylists.org
Subject: [Stoves] ***SPAM*** RE: [Biochar] Charcoal producing electrical power plant

Kirk and Ron,   Thank you both for including my direct address so that I would receive a copy.

I encourage Kirk to continue, but Ron’s comments indicate so difficulties, especially because larger size needs more money to show a viable unit.

1.  I do point out that this would not be TLUD technology.   It is more akin to flame cap pyrolysis.

2.  the vibration can  keep the materials flowing, but it the layer of biomass (becoming  char) is too thick, some way of getting the bottom  biomass up to the surface could be needed.

3.  The diagram / plan does not address the technology of creating the  desired electricity.   Easier said than done.  If it is to be with boiler / steam technology, inputs / comments from a boiler business should be sought.

Paul

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From: main at Biochar.groups.io <main at Biochar.groups.io> On Behalf Of Ron Larson via groups.io
Sent: Sunday, October 24, 2021 11:29 PM
To: Kirk Harris <gkharris316 at comcast.net>; stoves at lists.bioenergylists.org
Cc: Anderson, Paul <psanders at ilstu.edu>; Biochar.groups.io <main at Biochar.groups.io>
Subject: Re: [Biochar] Charcoal producing electrical power plant

[This message came from an external source. If suspicious, report to abuse at ilstu.edu<mailto:abuse at ilstu.edu>]
Kirk and stoves list.  2 ccs

Constructive (?) comments:

1.  I suggest that your ideas have merit and should be pursued.  I see nothing wrong with your diagram.
 15 or more years ago, on the stoves list, Alex English modified an existing commercial unit somewhat like your design - mainly by speeding  up the moving biomass.  I believe considered successful

2.  But I believe yours  is too large a jump up for any single person to accomplish without big money behind them.

Three solutions:
a.  Make a sales pitch to work with companies already doing something similar - I think there may be more that 20 in the US alone, with a thermal output focus.  The competition against PV, wind and batteries is likely too tough in this size range..
b.  Pick a smaller size final need and apparatus, where there is little going on.  In this case continuous (non-batch) charcoal-making heating stoves.
c.  Maybe focus on a do-it-yourself audience - willing to use horizontal 200 liter drums.

3.   I’d focus on wood chips - as being much cheaper and more readily available than pellets.  Large pieces of wood don’t look at all amenable to what you are proposing.  I don’t see much happening with chips for combined char-making and heating.

4.  Conceivable that such a stove user could make money while heating.

Constructive?

 Ron

On Oct 24, 2021, at 8:08 PM, Kirk Harris <gkharris316 at comcast.net<mailto:gkharris316 at comcast.net>> wrote:

All,

For several years I have been working on an efficient burner for wood gas from a TLUD wood stove.  The burner is well along, and is very efficient.  Now my attention has turned to producing wood gas and char on a larger scale for a carbon negative (relating to the atmosphere) electrical power plant.  Attached are documents which describe where the idea is going.  The pyrolyzer is a brainstorming idea.  The bluff body burner is quite well developed.

Constructive comments are welcome,

Kirk H.

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<Vibrating table pyroyzer.docx><Duel chamber bluff body burner 2.2.docx>

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[Stoves] ***SPAM*** Re: ***SPAM*** RE: [Biochar] Charcoal producing electrical power plant

[Stoves] SPAM Re: SPAM RE: [Biochar] Charcoal producing electrical power plant