[Gasification] Charcoal Reduction Mill

Mark E. Ludlow mark at ludlow.com
Sun Aug 28 01:08:29 PDT 2011


Hi Jeff!
My point is to put the (suction) blower at the exhaust air point of the
system. Then the system operates at negative pressure; there are no fugitive
emissions; and you can utilize 'vacuum' to transport your product. This is
the industry-standard approach. I consult for free!

Mark


-----Original Message-----
From: gasification-bounces at lists.bioenergylists.org
[mailto:gasification-bounces at lists.bioenergylists.org] On Behalf Of Jeff
Davis
Sent: Saturday, August 27, 2011 9:01 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Charcoal Reduction Mill

Hi Mark,

On Fri, 2011-08-26 at 21:10 -0700, Mark E. Ludlow wrote:
> keep everything in the milling and collection system at less than 
> atmospheric pressure.

OK, I see what your saying now... Your correct that the blower produces a
vacuum in the mill BUT NOT in the collection system or at least that's my
understanding of this type of mill. It's my understanding that they are used
to separate husks from the kernels of what ever kind of seeds.
The kernels end up in a bag and the husks get blown out. Sometimes these old
mills will have a selection of screens with them.

I'm sure the time will run out before I decide which way to turn but they
are somewhat common but this one looks nice and the price is good and he is
willing to ship it.

Now I'm kind of leaning towards the ball mill for the simple fact that it
could be sealed and I would not run the risk of creating a major dust storm.
The down side  is that it would be a batch system.



Jeff


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