Solar, Biomass and Hybrid Dryers - BioEnergy Discussion Lists

LidFuel chamber(double walled)5515ØInsulationSecondary airholes (1Ø)Reactionchamber214424Gas BurnerPrimary airinlet2828Dimensions are in cmFigure 2.6: Exploded view of the gasifier stove.Asbestos gaskets are used while connecting the different parts together. To preventrusting, before and after assembling, the metal parts are painted with a hightemperature spray paint (e.g.: No. 1200 HI-TEMP 1200°F Flat Black Spray Paint, ofBosny brand) available in hardware stores.Reaction chamber: The reaction chamber (Figures 2.7 and 2.8) is the key component ofthe stove where producer gas is generated. The outside wall of the chamber is madeof 2 mm thick mild steel sheet, and fabricated over an L-angle frame of outsidedimensions 28cm x 28cm x 44cm. The inside wall is made of a slotted mild steelcylinder; a layer of bricks, cemented together by Castable-13 refractory cement isplaced between the two walls for thermal insulation.9