[Stoves] TEG-TLUD Re: Biochar and Uganda and Char-Making stoves

[Crispin Pemberton-Pigott]

Dear Friends

 

>Is there a site to go see the Alex English design?

 

I dug up only one photo of Alex’s demo unit shown at the Stove Testing Camp 1. It is hard to see unless zoomed, but the combustion analyser says 

 

CO2 12.9% [which is an EA level of about 65%]

CO 1 ppm

CO/CO2 Ratio 0.0000

 

It runs unattended for as long as the hopper has fuel. If you chase the CO down that far the PM is usually almost zero.  Not always of course, as Alex has demonstrated to me!  A few times a week the ash hopper should be emptied depending on the fuel. The sprocket rotates the ash grate bars because Alex has a habit of automating things. The heating system for the greenhouses makes Heath Robinson look like a simpleton. If the fuel feed system jams in the night the computer calls him at home.

 

The device below could easily have won the Pellet stove competition if it was mounted onto a stove (to serve as a heat exchanger). The one in his house works that way now. It has a crossdraft burner connected to a standard cast iron stove and vents into the chamber where the fire usually burns.

 

Regards

Crispin

 



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