[Stoves] question about stove for fuel briquette

[ajheggie at gmail.com]

I meant to post the link to the main resource as the archive is a bit
difficult to search

http://stoves.bioenergylists.org/

Andrew

On Sat, 28 Mar 2020 at 10:07, <ajheggie at gmail.com> wrote:
>
> Please see below a post from Richard Stanley.
>
> The archives are at
> http://lists.bioenergylists.org/mailman/private/stoves_lists.bioenergylists.org/
>
> Andrew
>
> "Dear Ms Guillaume,
> we have worked mostly to adapt fuel briquettes to many stove designs.
> although you will see one or more on our website , i would recommend
> for detailed testing results, that you visit the stoves and biomass
> newsgoup (Stoves at lists.bioenergylists.org)’s  archive . look in
> particular for the work of Jed Guinto, Rok Oblak. Additionally the
> Approvecho institute’s archived material  in the same stoves archives
> may be  quite helpful.
> essentially side fed , so called rocket stove designs are most
> effevtive because they take good advantage of the round feed tube (on
> the horizontal ) by forcing incoming primary air to pass thru the
> center hole of a holey briquette which fits snugly inside.
> Secondly , any stove using briquettes of our type, will generally
> benefit by having some from of ash catchment and easy removal as
> briquettes generally generate more ash than wood. Finally, insulation
> is really important to efficient combustion . in this regard,, Rok
> Oblak’s stoves are especially efficient; However the clay sawdust
> insulative walls he uses do not stand up well to constant use . One
> needs to either have a metal or harder baked clay or cement brick wrap
> and especially top ring to make it sufficiently durable. Jed Guinto’s
> stoves are particularly clever in this regard. Both have acquired
> quantitative test data, re., time of burn, heat output, CO emissions
> etc.
> But many types of stoves exist for use with briquettes, as you will
> discover in the mentioned website, but if you focus on the above three
> principles, you can easily develop your own best version which fits
> the local economy, cooking practiced and production skills of your
> area. No one size fits all !
> Please keep me informed as you get further into your research.
> Best of luck, Richard Stanley
>
>
> Sent from my iPhone
>
> On Mar 27, 2020, at 2:02 AM, Estelle LECOT  wrote:
>
> 
>
> Dear Mr Stanley,
>
>
>
> We are two French engineers working at Gbobètô NGO as volunteer. We
> are involved into the fuel briquette project.
>
> First recipes have been tested and now we are working on the
> optimization of the composition. The study performed with the
> population showed that the stove used in Benin is not fully adapted
> for the fuel briquette.
>
> We have seen in the legacy foundation document the scheme of the
> special fuel briquette stove. Thus, we have some questions about it :
>
> Have you already manufactured this stove? If yes, do you have some
> drawings with the dimensions?
>
> Have you tested this stove and evaluated the impact in terms of heat gain?
>
>
>
> Thank you for your answer,
>
> Best regards
>
> Guillaume"