[Stoves] [biochar-production] Continuous TLUD for cooking

[Nolbert Muhumuza]

Hello Ronal,

Just to add; from experience the four selling points for TLUD stoves are;
1. Time and fuel saving (cook faster, with much less biomass)
2. Use a wide variety of biomass (this has issues with chopping wood
especially for rural Uganda)
3. Makes Charcoal that can be re-used in another charcoal stove or as biochar
4. Clean (less smoke aka toxins - but they dont really understand emissions)

These are clear for potential users when we do a demo in villages.

Nolbert.


2014-01-29, Ronal W. Larson <rongretlarson at comcast.net>:
> Antony  - with eleven ccs
>
> 	1.  First note nice help offered by Alan Cave in several messages
> yesterday.   They did not include your original request below.
>
> 	I agree with his remark that the continuous Belonio stoves that you found
> at Paul Anderson's sites are down draft (BLDD) - and that may be the best
> way to go.  At the recent ETHOS conference I do not recall this topic coming
> up.  (I wrote 3-pager on that conference - available at the stoves site.)
> The reason is the strong emphasis on stoves that cost $10-$20 - and I doubt
> we can ever see continuous feed stoves in that price range.  I talked to Dr.
> Belonio a good bit over the last weekend, but this topic did not come up.  I
> include Alexis as a cc, as he is probably the best expert on this topic we
> have.
>
> 	2.   I include the stoves list, because there is apt to be more expertise
> there on your stove question than on the Biochar-production list.  Tom Miles
> added because he manages both lists and will have valuable thoughts.
>
> 	3.   I Include Jerry Whitfield, Jock Gill, Alex English, and Marc Pare as
> they have all written on continuous feed char-makers; but none I think for
> stoves.  These are probably all horizontal feed (augers, moving grates,
> etc.).   See http://www.whitfieldbiochar.com   (that is apparently in a
> "hold" mode).  Apologies to anyone I inadvertently left out who has been
> thinking of continuous-feed stoves.
>
> 	4.  I include Dean Still and Ranyee Chiang as the best way to get this
> topic into GACC discussions.
>
> 	5.  Can you explain more on why you are interested in this topic for
> stoves?  Do you have an upper price limit or particular stove application in
> mind?  Would several low cost batch TLUDs operating sequentially in parallel
> meet your needs?
>
> 	I consider the non-continuous aspect of TLUDs as their biggest drawback -
> so think we should all take this topic very seriously.  I thank you for
> bringing it up.  In my mind, the other advantages of TLUDs (primarily time
> savings and money-making) outweigh this disadvantage.  But it would be very
> nice to remove this disadvantage whenever an application allows the extra
> expense that seems sure to accompany continuous operation.
>
> Ron
>
>
>
>
>
> On Jan 28, 2014, at 4:43 PM, Anthill <ahilliard at gmail.com> wrote:
>
>>
>> Hi biochar-production people. Google has failed me. Do you know if anyone
>> developed a biochar-generating stove that can run continuously?  Something
>> that:
>>
>> - Produces water-quenched biochar
>> - Runs continuously on pellets/chips
>> - Unlikely to set fire to feed hopper
>> - Flame can be used for cooking
>>
>> What I'm thinking of is something like:
>>
>> http://imgur.com/a/BGADk
>>
>> Google has showed me:
>>
>> The BEK biochar generator
>> http://bekbiochar.pbworks.com/w/page/6465132/FrontPage
>> - Not for cooking
>>
>> Wallace's biochar generator
>> http://terrapreta.bioenergylists.org/wallaceACpatent
>> - Not woodgas-running
>>
>> Belonio's continuous rice husk generator
>> http://www.drtlud.com/2012/04/04/rice-husk-gasifier-new-papers/
>> - No quenchable biochar?
>>
>>
>>
>> Any thoughts?
>>
>> -Antony
>>
>>
>>
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-- 
Nolbert Muhumuza

President & Chief Operations Officer
Awamu Biomass Energy Ltd.
P.O. Box 40127, Nakawa
Kampala - Uganda.

Mobile: +256-776-346724
Skype: nolbertm
www.awamu.ug