[Stoves] farmed fuels

Thu Jun 27 07:05:15 CDT 2019

Teddy,

We've done some work on a simple clay basket to improve the efficiency
cooking with corn cobs a fuels.  The basket seems to help.  We need to get
back to this soon.

Can you (or Ron) think of a way to modify this to produce biochar?

Here is that section from our Cookstoves Overview
<https://docs.google.com/document/d/1ZryS7gQ1q3zKLZPM2KcXdtIHbOYQp4PbloPqMvrlZ5Y/edit?usp=sharing>
:

Clay Corn Cob Basket

Corn (maize) has become a major food crop in many developing countries.
Many women use corn cobs without kernels as fuel for cooking. For one to
two months after harvest, many women use cobs for cooking fuel.  There are
often two harvests a year.

The women  typically pile the cobs on the ground and light them.  The smoke
emitted is much worse than when using wood for fuel.

We have found that elevating the cobs and allowing air to circulate under
them lets the cobs burn more efficiently with much less smoke.

A clay basket with holes on the bottom works well.  Clay baskets are easy
to custom make. Or, you can use the clay liner from a charcoal jiko.  Just
elevate the basket with sticks or stones to allow air under the basket.

Here are videos showing the improvement by using a clay basket:

Kenya 1 <https://drive.google.com/open?id=1Up-H1BasMBs7L4QfH8fDW5cqwLeI_cr0>

Kenya 2 <https://drive.google.com/open?id=1Satt4sk9b3E-FwyHJSH_MOImM6m2FhMO>

Uganda 1
<https://drive.google.com/file/d/1Rgm4iNgTor-k_XXDG4vFVnflYeQOS_FQ/view?usp=sharing>

Uganda 2
<https://drive.google.com/file/d/1PslBe4tFTq8AduC235uZ90MUCkJvQc5I/view?usp=sharing>

Here are two videos showing how a corn cob basket is made Uganda.

Making a spinning plate
<https://drive.google.com/open?id=1C_upZwxzdJItP_d4-YzzXYlfywKfvCpu>

Making a corn cob basket
<https://drive.google.com/open?id=1_WxHn0kO8dOO8N4I7XiRTO6Fi3NjYu5L>

Width - 14cm.

Height - 8cm.

Diameter of the holes - 2cm

Thank you,
Kevin

*Kevin McLean, President*
*Sun24*

*https://sun24.solar <https://sun24.solar>  Sun24 Cookstoves Overview
<https://docs.google.com/document/d/1ZryS7gQ1q3zKLZPM2KcXdtIHbOYQp4PbloPqMvrlZ5Y/edit?usp=sharing>*
*Tampa, Florida, USA*
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On Sun, Jun 23, 2019 at 2:14 AM Cookswell Jikos <cookswelljikos at gmail.com>
wrote:

> we have had some pretty good results with maize cob charcoal
> http://kenyacharcoal.blogspot.com/2012/10/make-and-use-maize-cob-charcoal.html
>
>
> quite nice as you dont have to spend time cutting it up into small bits
> and it blends very well with regular branch charcoal for quick lighting and
> long burning. ( and according to some chefs its makes roast meat taste a
> bit like ugali...(polenta) which to them is a big bonus)
>
> the woodvinegar from the maize cobs also seems to show pretty decent
> potential for helping slow down termite attcks on fence posts etc.
>
>
>
>
>
> Teddy Kinyanjui
> Sustainability Director
>
>
>
>              <https://www.facebook.com/CookswellJikos>
> <https://www.instagram.com/cookswelljikos>
> <https://twitter.com/cookswelljikos?lang=en>
>
>
>
>
>
>
>
>
>
> On Thu, Jun 20, 2019 at 12:04 PM hennA1988 <energiesnaturals at gmx.de>
> wrote:
>
>> Hallo all,
>>
>> not for the first time I try to bring giant reed(arundo donax) into the
>> discussion.
>> Here in Spain, we have many years of experience with it.
>> Although being registered as invasive, it is quite easy to control by
>> simply plowing and/or grazing.
>> Goats make short work of it by browsing all fresh shoots wherever they
>> grow out of the designed area of the rizoma thicket.
>> Arundo is perhaps the most productive plant in a wide variety of climates
>> and can easily be harvest by hand, even without tools at all!
>> The straight growing stems make it an ideal candidate for use in rocket
>> stoves, densifying can be achieved by just trampling on the dry canes or
>> passing them through a set of rollers.
>>
>> Cutting the canes to an appropriate length makes them easy to handle and
>> standardize as fuel.
>> And for more industrial processing:
>> They make excellent pellets!
>>
>> Their capability to clean dirty waters up to potability is legendary,
>> building up soil in it's way.
>> Seasonal management provides good shelter to all kind of wildlife during
>> the main growing season, since there is a good time for harvesting during
>> it's resting months in low season.
>>
>> What more can you ask?
>>
>> Valuable building material? Yes !
>> Cut in the right moment, it makes for strong floors, ceilings and walls.
>>
>> Wonderful guides for tutoring tomatoes and all kind of vines.
>>
>> And last but not least, it provides the only "legitimate" way to cook a
>> proper paella!
>>
>> Not enough?
>> I could go on and on...
>>
>> Try for yourself!
>>
>> Rolf
>>
>> Outlook für Android <https://aka.ms/ghei36> herunterladen
>>
>>
>>
>>
>> On Thu, Jun 20, 2019 at 1:09 AM +0200, "peeters frans" <
>> peetersfrans at telenet.be> wrote:
>>
>> DEARS,
>>>
>>>
>>>
>>>     Sweden uses SALIX.
>>>
>>>
>>>
>>>      Indonesia uses KNOTWEET 3x 270 cm (Japanse duizendknoop )
>>>
>>> The strong KNOT make new hollow stalks  every year !!  Only a knife is
>>> needed for harvesting . Cut each stalk chamber before burning !
>>>
>>>
>>>
>>> Regards
>>>
>>> F.
>>>
>>> *Van:* Stoves [mailto:stoves-bounces at lists.bioenergylists.org] *Namens *Kirk
>>> H.
>>> *Verzonden:* woensdag 19 juni 2019 22:38
>>> *Aan:* stoves at lists.bioenergylists.org
>>> *Onderwerp:* [Stoves] farmed fuels
>>>
>>>
>>>
>>> Hi All,
>>>
>>>
>>>
>>> Does anyone have any stories about using farmed fuels for cook stoves.
>>> I grew some Pigeon Pea plants last year and the stalks burn well in a
>>> TLUD-ND.  They died from the frost during the winter, but we did get a
>>> small crop of peas.
>>>
>>>
>>>
>>> Kirk H.
>>>
>>>
>>>
>>> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
>>> Windows 10
>>>
>>>
>>>
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