[Stoves] Rice hull gasifier milling rice

[Tom Miles]

Crispin,

Please send photos and we'll put them on the website. I'd love to see them.
I haven't heard of a rice mill powered with a gasifier since a Chinese
gasifier was used in Mali for several years. 

Many thanks

Tom

-----Original Message-----
From: Stoves [mailto:stoves-bounces at lists.bioenergylists.org] On Behalf Of
Crispin Pemberton-Pigott
Sent: Thursday, November 01, 2012 8:26 PM
To: Stoves
Subject: [Stoves] Rice hull gasifier milling rice

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 
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