Crispin, Rice hulls do not flow easily. They are notorious for bridging.
Paul On Fri, Nov 2, 2012 at 10:26 AM, Crispin Pemberton-Pigott < [email protected]> wrote: > Dear Gasifying Friends > > I just stopped at a rice milling plant that is about 20 km outside > Battambang. It processes about 1.9 tons per hour. It is all flat belt > driven and a lot of it is made of wood. > > The power plant is an internal combustion engine of about 200 HP. It runs > on gas. The gas is supplied by a rice hull gasifier at the back of the > building where there is literally a mountain of rice hull. > > The gasifier looks quite modern and operates in a way that is > day-and-night continuous. The rice hull is fed into the vertical reactor by > an auger. The reaction zone position is not exactly constant but is > maintained within certain limits. > > The ash/char is dropped off the top into a shallow pond to quench it. > > I see no reason why a small stove could not be operated in the same > manner: TLUD with episodic feeding from below via a plunger of some sort. > Rice hull flows easily. If the primary air control is adequate a range of 1 > to 4 kW would be perfect. > > If anyone is interested I took pictures of the whole gas system and power > plant. > > Regards > Crispin at km post 271 outside Battambang > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > -- Paul A. Olivier PhD 27C Pham Hong Thai Street Dalat Vietnam Louisiana telephone: 1-337-447-4124 (rings Vietnam) Mobile: 090-694-1573 (in Vietnam) Skype address: Xpolivier http://www.esrla.com/
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