[Gasification] Gasification Digest, Vol 11, Issue 18

[awesales]

Clem
Maybe one solution would be a hand crank blower, similar to what the old
blacksmiths used to use. What are you using the gasifier for?
tbone188

On Sun, Jul 24, 2011 at 12:00 PM, <
gasification-request at lists.bioenergylists.org> wrote:

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>   1. Re: Gasifier fan (Jeff Davis)
>   2. Re: Gasifier fan (Pannirselvam  P.V)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Sun, 24 Jul 2011 12:49:53 -0400
> From: Jeff Davis <jeff0124 at velocity.net>
> To: Discussion of biomass pyrolysis and gasification
>        <gasification at lists.bioenergylists.org>
> Subject: Re: [Gasification] Gasifier fan
> Message-ID: <1311526193.1453.4.camel at jeff-laptop>
> Content-Type: text/plain; charset="UTF-8"
>
> My MEN gasifier didn't use a fan. I had to start on gasoline, not the
> best way to go. I think they did that for safety reasons because fanning
> was the leading cause of woodgas deaths, back in the day.
>
>  Jeff
>
>
> On Wed, 2011-07-20 at 04:18 +0000, Clement Aigbogun wrote:
> > Has anybody on this list have success with operating a gasifier
> > without using a fan or blower.
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 24 Jul 2011 14:01:33 -0300
> From: "Pannirselvam  P.V" <pannirbr at gmail.com>
> To: revicaig at yahoo.com, Discussion of biomass pyrolysis and
>        gasification    <gasification at lists.bioenergylists.org>
> Subject: Re: [Gasification] Gasifier fan
> Message-ID:
>        <CADw81md_Hk9d8=w3Z3u0gBSiXE0FT5CsV8DrDz9Mm6yR3pT-Kw at mail.gmail.com
> >
> Content-Type: text/plain; charset="windows-1252"
>
>       Hi  Clement
>
>     we have made some  expeirments  with  saw dust upflow  stove , that ate
> very simple to made.
>
>    With saw dust upflow work  well making  good gas  with moiture , but
> still i wonder why the same  do not work with charcoal.Due to mass
> transtransfer of  the water not redily come out frrom pores of charcaol,
>
>   Insteam  puting water wirh carcoal
> mix water with saw dustand then charcoal
> This can work, may  work.BUt you need to solve the start up problems
>
> Yiurs truely
> Pannirselvam
>
> On Wed, Jul 20, 2011 at 1:18 AM, Clement Aigbogun <revicaig at yahoo.com
> >wrote:
>
> > I have built yet another gasifier, an updraft. The design is such that a
> > bed of charcoal would lay over damp materials(the water content of
> materials
> > is far in excess of what may be found in any normal wood)
> > Now because I intend to ignite from under, I want to ask if the natural
> > upward draft of heat would be sufficient to create the hot bed of
> charcoal
> > which is already placed over these damp materials(these materials are
> > inbetween combustibles-the first layer of combustibles provides continous
> > upward heat draft) without having the need for a fan or a blower.
> > My problem with using a fan or a blower is that I may need to power it
> with
> > electricity or batteries which are scarce commodities in rural Nigeria.
> > Has anybody on this list have success with operating a gasifier without
> > using a fan or blower. By success I mean consistent engine grade gas
> output
> > everytime the gasifier is operated.
> >  Clem
> >
> > PS- thank you for the help
> >
> >
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