[Gasification] gasifier type updarft use rice husk

Jeff Davis jeff0124 at velocity.net
Sat Dec 17 18:25:43 CST 2011

Hi Cuong,

If possible you could switch from suction to an air blown configuration
thus avoiding tarring your fan.

If the above is not an option you could consider keeping the fan as hot
as possible so that the tar does not condense in the fan. Also choosing
a fan with large clearances may be helpful. Furthermore a larger
diameter fan turned slower might have less vibration problems.



On Sat, 2011-12-17 at 06:16 -0800, quoc cuong Pham wrote:
> 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. thanks! 

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