[Gasification] 1. Re: Wood Chip classificaton (Bruce Green) Gasification Digest, Vol 20, Issue 7

[Luke Gardner]

David,
if your gonna pull my text off, pull my name off too.  thanks.  I agree with 
your message,,,,   its just not mine, the way it appears.
Luke

-----Original Message----- 
From: David Coote
Sent: Monday, April 16, 2012 1:56 AM
To: gasification at lists.bioenergylists.org
Subject: [Gasification] 1. Re: Wood Chip classificaton (Bruce Green) 
Gasification Digest, Vol 20, Issue 7

On 16/04/2012 5:00 AM, gasification-request at lists.bioenergylists.org wrote:
>
> Today's Topics:
>
>     1. Re: Wood Chip classificaton (Bruce Green)
>     2. Re: Wood Chip classificaton (Peter&  Kerry)
>     3. Re: Why would you want to make heating grade woodgas?
>        (Peter&  Kerry)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 14 Apr 2012 20:29:41 -0400
> From: Bruce Green<clascent at gmail.com>
> To: Discussion of biomass pyrolysis and gasification
> <gasification at lists.bioenergylists.org>
> Subject: Re: [Gasification] Wood Chip classificaton
> Message-ID:
> <CACGGi+g3eze8xdDCwA_i31ZkX6xfWtNCAWUiEaX9DVgyWWpp4Q at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi all, If you really want to dry something cheap use a greenhouse. See
> this technology  http://www.parkson.com/products/thermo-system   . Bruce
> Green
>
> On Sat, Apr 14, 2012 at 2:25 PM, Luke Gardner<lgardner at wwest.net>  wrote:
>
>
I thought about doing this as part of my research using a solar kiln. At
it's simplest this might be wheel in an open mesh side container full of
moist chip, leave for a few days, take out nice dry chip and
combust/gasify. The problem, of course, is that the chip will only dry
towards the outside of the container. Handling costs get restrictive if
you put the chip in trays and placing the chip in some kind of tumbler
involves extra expense for the tumbler and also some energy (and cost)
to drive the tumbler.

I was in Finland a few weeks ago where I was introduced to the concept
of a drying trailer where air is actively moved across a relatively
small container full of chip. Apparently this can dry the chip
reasonably efficiently. I might revisit the solar kiln idea using this
approach. As with everything in this area for a commercial operation
it's all about the cost

Cheers

David

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