TOASTER SLOT BRIQUETTE STOVE
I have been designing some briquette burning stoves for El Fuego del Sol, which is making square fuel briquettes from paper, cardboard, and sawdust in Port au Prince, Haiti:
The stoves are loosely based on rocket stove principles. My latest stove is inspired by the toaster. Briquettes are like thick pieces of bread. For good combustion they need to be surrounded by air and slightly separated from each other and the liner wall. This design holds 4 briquettes in two vertical slots of expanded stainless steel. As they burn down, new briquettes are added through insulated swinging door flaps.
Wrapping new briquettes in a sheet of paper before insertion ensures quick ignition and minimal smoke production.
Air comes in the front and bottom and can get to all sides of the briquettes. The insulated doors block much of the radiant heat from the upper briquettes from escaping out the front and keep briquettes from rolling out of the stove.
The liner will be surrounded with insulating bricks and have a galvanized steel outer shell. There will be a pot support frame and sheet metal pot skirt at the top.
The concept should also work well with round briquettes and dung fuel.
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