[Stoves] Very small stoves and reheating food
Crispin Pemberton-Pigott
crispinpigott at gmail.com
Tue Oct 23 09:54:28 CDT 2012
The Mayon Turbo Stove is the first commercially available stove I saw that used a tap to feed and there are some complaints about the need for attention to keep it going, partly because of the rice hull fuel being so light and low power. The possibility of using another feed method is attractive.
So I am looking for a way to use the burning of the fuel right at the hopper outlet to do the job of releasing fuel now and then or 'often'. It doesn't look good at the moment but it might! Never assume anything.
Alex I am booking to see you mid Nov as I have to collect a piano from the Carrying Place area.
Regards
Crispin back in Jakarta
-----Original Message-----
From: Paul Anderson <psanders at ilstu.edu>
Date: Tue, 23 Oct 2012 09:29:01
To: Discussion of biomass cooking stoves<stoves at lists.bioenergylists.org>
Cc: Crispin Pemberton-Pigott<crispinpigott at gmail.com>; Hugh McLaughlin<wastemin1 at verizon.net>
Subject: Re: [Stoves] Very small stoves and reheating food
Crispin and Alex and all,
Successful "dribble" or "trickle" feeding at very low cost will be a
great addition to small stove technology.
Of course gravity is the least expensive. But "assisted gravity" might
be relatively low cost. I am thinking of a small tapper or vibrator
that can be set to giggle the fuel chamber periodically or when some
sensor sends a signal.
Alternatively there could be some shape of rod that is inside the fuel
chamber. There are many ways to giggle/wiggle/twist/tap/lift/drop to
have minor movement of the rod to assure the gravity flow of the fuel in
the hopper.
Alex is doing it the right way: Start with uniform fuels like pellets
or quality (screened) wood chips. When a method works there, then
start looking at the more difficult fuels to make flow.
Paul
Paul S. Anderson, PhD aka "Dr TLUD"
Email: psanders at ilstu.edu Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
On 10/22/2012 7:48 PM, Crispin Pemberton-Pigott wrote:
>
> Dear Paul
>
> Not too fast there... that is what is exciting about Alex English's
> dribble feeder (I am calling it because that is what it is doing). He
> is successful so far with wood chips, pellets and by extension, any
> small fuel like nut shells, coffee hulls etc.
>
> I am going to have a gander in November. It is the first /small/
> gravity feeder that I have seen work well. There is no reason it won't
> work with rice hull if we get a bit clever.
>
> You fan (geddit)
>
> Crispin
>
> *++++++*
>
> It is the words "feed ... continuously" fuel that is a problem. The
> pellet stoves (heaters) are acceptable and successful because the
> continuous feeding of fuel is automated. No such luxury with
> inexpensive stoves for economically poor people.
>
> Paul
>
>
>
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