[Stoves] Fuel Management - Bamboo Sawdust

[Anand Karve]

Dear Tony,
we extrude briquettes of charcoal powder by using a modified meat grinder
fitted with nozzles and a 1 h.p. single phase electric motor. You can see
the photograph in our web site www.samuchit.com. As binder we use flour of
cereal grains boiled in water. In your message you mentioned that the
bamboo was treated. What is the nature of the treatment? If it is a
chemical treatment, would it produce noxious fumes when the bamboo is
burned?
Yours
A.D.Karve

***
Dr. A.D. Karve

Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)

Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)

On Tue, Mar 14, 2017 at 10:18 PM, Tony Vovers <vovers1 at gmail.com> wrote:

> Dear stovers
>
> Looking for some advice or suggestions to utilise a source of excess
> sawdust for institutional cookstoves at a school. in Indonesia.
>
> After several attempts with various devices to burn the sawdust directly
> have failed to be accepted by the kitchen over time I am now looking to
> better fuel management as the solution.
>
> Looking for simple lowcost options for Pelletizing or making briquettes
> from the sawdust.
>
> In various postings I have found reference to managing sawdust/husk fuel
> using cowdung as a binding material and simple screw or lever based press
> to create briquettes or cakes that are dried.
>
> Although dung is locally available there is considerable resistance from
> the staff to incorporate dung into the kitchen setting as part of the fuel.
>
> The volume of source material available (6-8sacks/day) does not justify a
> pelletizing machine and we feel this opportunity could make for a good
> student lead project to create a sustainable fuel management process for
> the kitchen/support staff.
>
> The available sawdust fuel is from treated bamboo from local factory which
> has some moisture content (18-20%) at time it is created.
>
> I have seen reference to other "binding materials" or even partial
> pyrolysis to bind the fuel and am looking for some suggestions of things to
> try for a local pelletizing/briquetting process.
> Or some arguments to accept dung as binding material.
>
> We need to generate enough fuel to feed 6-8 stoves operating over 2-4
> hours food prep time on a daily or twice daily basis with reasonable
> efficiency.
>
> Suggestions??
>
> Tony Vovers
> +62 (813) 3888 9062 (HP)
>
>
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