[Gasification] Pellet Fluffing and axial/rotary screw

[Bob Stuart]

On 1-Mar-07, at 12:00 PM, drew wrote:

> I have used pellets in my tlud variant and found the swelling  
> action to
> be extremely challengingly.   So much so that I gave up on pellets
> unless mixed with other fuel.   They seem to swell in reaction to  
> heat,
> but perhaps more to the resultant steam?   My system was a pressurized
> low volume flow and it resulted some times in a hopper so packed  
> that a
> chisel was necessary to clear it.   The pellets I used were Fir  
> sawdust
> with low moisture content (< 10%).

Could pellets be fed at the smaller end of a gentle cone?

Best,
Bob Stuart