[Gasification] gasifier type updarft use rice husk

quoc cuong Pham pqcuong84 at gmail.com
Sat Dec 17 08:16:06 CST 2011

Hi jeff!
Thanks you with idea that. i am wroking with type downdaft capacity
150kg/h,there is a prolem with suction fan  tar , suction fan does not wrok
 a long time . and  treament tar consider after that effect not good . you
can help me.

2011/12/7 Jeff Davis <jeff0124 at velocity.net>

> Hi Cuong,
> Standard updrafts do not have a tar cracker.
> One idea that I never tried with an updraft was to take the working gas
> off above the charcoal area. Next with some kind of fan suck the tarry
> gas off the top and route it back up into the bottom (air inlet) of the
> gas producer. Good way to tar up a fan and I doubt that it would be easy
> to balance but maybe as a last resort.
> Anyhow downdrafts natural crack tar to some point.
> Good luck,
> Jeff
> On Tue, 2011-12-06 at 22:18 -0800, quoc cuong Pham wrote:
> > hi all!
> > I design updarft rice husk capacity 100kg/h.there is a problem tar
> > high,process level of Moist.
> > Fuel use burn direct and no craking tar.
> > discontinuous and working gas is laborious, low-built efficency.there
> > is betterment which way neither.
> > thanks!
> > cuong.pq
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