[Stoves] ***SPAM*** Dung Rocket Stove - Failed Test

[K McLean]

Richard,

Can you please explain further?  I don't understand.  Do you have photos or
videos?

On Fri, Jan 6, 2023, 9:00 AM Richard Stanley <rstanley at mind.net> wrote:

> Not true paul or only partially true! In rural kenya our partners francis
> and mary kavita showed hor one sieves out the aromatics and dissolved
> solids by sloshing the patties of dung in water— then has a good liquid
> feetiliser as well as a spongy lignin which makes a great fuel whether
> briquetted or not.  Same
>  I discovered that the same process applies to peat in Ireland.
> Its good by stink and smoke; hello to clean burn and liquid fertiliser.
> Richard Stanley
> www.legacyfound.org
>
> Sent from my iPhone
>
> On Jan 6, 2023, at 4:28 AM, peetersfrans at telenet.be wrote:
>
> 
>
> Dear KEVIN
>
>
>
> I think we discsed 30 y ago about frensh frees …..but Canada was to cold
> for patatos down 1,5 $ !
>
> I remember you wash  salt out of dunge  and looked for analytics for the
> ash danger .
>
> As for dung cooking/baking ,it is done in Anatolia TURKEY.   No trees ,to
> see. villages of mud and corn looks haver, no mais .
>
> The fireplace is chimney  fumehood  integrated about 3 meter high and
> always a pasat wind avaiable .
>
> To replace it you need a suction stove , fan , jet  or and partial
> wood/dung using in the 3th world only…
>
>
>
> Regards
>
> F.
>
>
>
>
>
>
>
> *Van:* Stoves <stoves-bounces at lists.bioenergylists.org> *Namens *Ronal
> Larson
> *Verzonden:* vrijdag 6 januari 2023 5:54
> *Aan:* Kevin McLean <kevin at sun24.org>; Paul Olivier <
> paul.olivier at esrla.com>; stoves at lists.bioenergylists.org
> *Onderwerp:* Re: [Stoves] ***SPAM*** Dung Rocket Stove - Failed Test
>
>
>
> Kevin,  Paul and stoves list
>
>
>
>                 1.  What is the reason for this test of a rocket -
> instead of a TLUD or other char-making design?
>
>
>
>                 2.  I agree with Paul, but I can conceive of cost, time
> spent,  and CDR advantages of charring dung, at lest with certain family
> situations.   But I can’t see those advantages with combusting dung.
>
>
>
> Ron
>
>
>
> On Jan 5, 2023, at 9:57 AM, Paul Olivier <paul.olivier at esrla.com> wrote:
>
>
>
> Dung is not a good fuel.
>
> It is much better to ferment it and use it as a feed.
>
>
>
> On Thu, Jan 5, 2023 at 10:12 PM Kevin McLean <kevin at sun24.org> wrote:
>
> List,
>
>
>
> Today we tested a dung rocket stove.  I'm a little surprised that the test
> was a failure.  Can anyone suggest changes?  And can anyone in India help
> us with our testing of dung as fuel?
>
>
>
> This is very similar to a sawdust cookstove.  We made cylinders of dung
> with vertical holes in the center and let them dry for a month.  We did not
> mix anything into the dung.  We used 5 liter paint cans to form the
> cylinders.
>
>
>
> <Dung rocket stove - wet.jpeg>
>
> <Dung cylinder - Failed test.jpeg>
>
>
>
> We tested with and without a metal can over the dung cylinder.  We raised
> the cylinder and lit a wood fire under it.  The fire was never strong and
> there was a lot of smoke.  Here is a video
> <https://drive.google.com/file/d/1xCrABfFFOVlvtGn925VW8FT9lXl660Zk/view?usp=share_link> of
> the test with a metal can over the dung cylinder.
>
>
>
> We seem to be having early success with upright dung sticks in a metal
> band and top lighting piles of dung patties.  But these need to be tested
> by people more familiar with using dung as fuel.
>
>
>
> <Dung sticks in a metal band.jpeg>
>
> <TDB of pile of dung patties.jpeg>
>
>
>
> We could use some help from someone in an area where dung is used for
> cooking.  None of my colleagues live in such an area.
>
>
>
> Thanks,
>
> Kevin
>
>
>
> Kevin McLean, President
>
> Sun24.org
>
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>
> --
>
> Paul A. Olivier PhD
> 104/43 Phu Dong Thien Vuong
> Dalat
> Vietnam
>
> Louisiana telephone: 1-337-447-4124 (rings Vietnam)
> Mobile: 090-694-1573 (in Vietnam)
> Skype address: Xpolivier
> http://epwt.vn/en/home/
>
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