[Stoves] Stoves Digest, Vol 6, Issue 4

[Thomas Reed]

Dear Andrew and All

Thanks for calling attention to the gasification animation at www.woodgas.com, but I'm happy here to give a corrected attribution to my Grandson, Andrew "Drew" Reed (son of Phil at Edmunds.com, and Vivian, to give an Illiadlike genealogical description, since Andrew is attributable to Phil and Vivian). 

In addition to being very creative musically, Drew is a computer whiz when necessary.  He graduated in music recently from UC Santa Barbara, and is currently in Argentina.

AND, I have six other grandchildren, all whizzes.  

Tom Reed

Dr Thomas B Reed
President, The Biomass Energy Foundation
www.Woodgas.com

On Feb 5, 2011, at 12:00 PM, stoves-request at lists.bioenergylists.org wrote:

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>   1. Re: Powerful Little Gasifier (Crispin Pemberton-Pigott)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 5 Feb 2011 14:09:50 -0500
> From: "Crispin Pemberton-Pigott" <crispinpigott at gmail.com>
> To: "'Discussion of biomass cooking stoves'"
> 	<stoves at lists.bioenergylists.org>
> Subject: Re: [Stoves] Powerful Little Gasifier
> Message-ID: <06e901cbc568$44021950$cc064bf0$@gmail.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> Dear Andrew
> 
> 
> 
> What a great idea: 'grog'.
> 
> 
> 
> Apart from bashing up the chunks (which might have hardened) passing ceramic
> marbles around the system could do some drying as well.
> 
> 
> 
> I wonder if there is a long term need for heat in the oil processing plant?
> The tea estates uses masses of wood for drying the leaves and are always
> looking for fuel. There may be a market there for seed cake.
> 
> 
> 
> It makes a lot of difference if the cake will harden when exposed to air. If
> it is broken up and dried, maybe there is no problem at all to use it in a
> TLUD or ELCD (end-lit cross-draft) fire.
> 
> 
> 
> I hope to try some goat dung in an ELCD fire in February. It would have
> characteristics that are at least similar and very unlike wood or coal or
> charcoal.
> 
> 
> 
> Thanks
> 
> Crispin
> 
> 
> 
> 
> 
> Hi Masseurs Miles, Pigott,
> 
>  Please note the question a stover asked a few weeks ago was about Jatropha
> seed PRESS-CAKE, which may be very different than whole seeds.
> 
> I described a fluidized-bed cherry pit combustor a few years ago on the
> gasification forum:
> Cherry pits circulate like boiling water when a bed is fluidized by a degree
> of higher velocity air from beneath the bed.
> The same effect is seen either when the pits are cold, or at pyrolizing
> temperature.
> There seems to be a certain critical velocity where the pits begin to
> circulate.
> 
> Someday I shall work out correct free-board, and amount of over-fire air,
> to prevent the hideous black smoke that issues from the gasifier maw.
> To sustain reaction for hours, cherry pits roll into the maw; similar to Dr
> Reed's cool animation on The BEF website:
> 
> http://www.woodgas.com/gasification.htm
> 
> Click the animation start button and watch those pits GO (in a down draft
> gasifier)... I am entertained easily with simple things...
> 
> Pits happily act like ball-bearings in a feed system. 
> To utilize a paste-like mass left over from mechanical seed-oil extraction,
> an extrusion of the waste paste could be metered into the maw for
> co-combustion with pits.
> Most places in the world do not have cherry pits. So a special refractory
> "grog" could be heated, and circulated to burn gooey pastes alone.
> 
> Please wear eye protection when gasifying stuff,
> 
> Andrew Schofield
> Renewable Fuel Systems
> 
> 
> 
> 
> 
> 
> 
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> End of Stoves Digest, Vol 6, Issue 4
> ************************************