[Gasification] Charcoal Reduction Mill

[Jeff Davis]

Thanks Mark,

I was looking at this JD hammer mill:

<http://www.ebay.com/itm/JOHN-DEERE-HAMMERMILL-CASE-BAGGER-ATTACHMENT-/110732088998?pt=LH_DefaultDomain_0&hash=item19c82596a6>


Jeff


On Thu, 2011-08-25 at 21:14 -0700, Mark E. Ludlow wrote:
> A small hammer mill would be fine, but you need to run it under
> negative pressure to keep from making a mess. Start at the back end
> with a small blower good for 12" suction. Then a  fake baghouse (three
> old Shopvacs in parallel would be fine.) Then, a tall skinny, cyclone
> (high-efficiency) with a downleg terminated with a couple  butterfly
> valves operating 90deg out of phase as an airlock. This dumps into
> your collection bag/drum.
> 
> Of course,  any kind of feed auger makes things more fun. Get a fine
> screen for the mill and don't push things to prevent a conflagration
> which would ruin anyone's day. The cyclone is about 99% efficient by
> weight, so it takes the load off your "baghouse".
> 
> An even simpler solution is a homebrew ball or rod mill.
> 
> Mark