Solar, Biomass and Hybrid Dryers - BioEnergy Discussion Lists

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Telescopic chimney110 cmTop cover88 cm58.5cm φWater SealFixed chimney,10 cm φ22 cmGrate, with holesStand(optional)Figure 7.4: The charring drum(ii) Briquette MouldThe briquette mould is made up of mild steel. It consists of three parts: the bottomplate with nineteen protruding rods each 13 mm in diameter, outer cylindrical coverto fit the bottom plate, and a perforated plate to slide down along the rods into thecylinder, as shown in Figure 7.5.(iii) Charring ProcedureAll types of biomass materials can be used in a charring drum for char production. Ifthe biomass material is too loose (e.g.: pine needles, leaves, etc.), then they can bemade into small bundles of 7-10 cm diameter and up to 60 cm length. Dependingupon the type of biomass, about 40-100 kg of biomass can be carbonized in thecharring drum to get a yield of 25-35% char over a period of 2 - 3 hours.First, the conical grate with fixed chimney is placed inside the drum and thetelescopic chimney is placed over the fixed chimney as shown in Figure 7.4. One totwo kilograms of dried leaves or twigs are spread uniformly over the conical grate40
and ignited. Once the ignition starts, biomass material is added to it in smallportions so that the material inside the drum does not burn fully or too fast, and turninto ash. Once the drum is full and top layer is partially carbonized, the telescopicHandle13 φ MSrods140130Part BHandle90Part CPart A5Dimensions are in mm[Note: A, B and C are separate parts of the mould]Figure 7.5: Briquette mould41
Page 1: Technology Packages:Solar, Biomass
Page 4 and 5: Technology Packages: Solar, Biomass
Page 6 and 7: PrefaceIt is increasingly becoming
Page 8 and 9: NepalEr. Rishi K. B. ShahVice Presi
Page 10 and 11: viii
Page 12 and 13: Chapter 1PACKAGES DEVELOPED AT AIT,
Page 14 and 15: Glass cover40A - A10535Glass woolin
Page 16 and 17: The main advantage of using the gas
Page 18 and 19: LidWater sealFuel chamberGas burner
Page 20 and 21: 15Ø cylinderStud. 5/16" dia.A101"
Page 22 and 23: The ash scraper slides through a cy
Page 24 and 25: welded at the top with the water se
Page 26 and 27: Other fuels such as saw dust brique
Page 28 and 29: Figure 2.19: Thermostat used in the
Page 30 and 31: The dimensions and other design par
Page 32 and 33: stove at one end and a chimney at t
Page 34 and 35: Chapter 2PACKAGES DEVELOPED AT RECA
Page 36 and 37: ox dryer. The drawer type tray desi
Page 38 and 39: Figure 5.1: Improved solar cabinet
Page 40 and 41: Dimensions are in mm1.1.1.1.1Figure
Page 42 and 43: Package 6: Improved Solar Tunnel Dr
Page 44 and 45: Dimensions are in mmFigure 6.3: Det
Page 46 and 47: Package 7: Solar-Biomass Hybrid Cab
Page 48 and 49: Dimensions are in mmFigure 7.2: Bac
Page 52 and 53: chimney is removed and the drum is
Page 54 and 55: Chapter 3PACKAGES DEVELOPED AT UP,
Page 56 and 57: Dimensions are in mmFigure 8.2: Dim
Page 58 and 59: ChimneyDryingChamber1DryingChamber2
Page 60 and 61: Package 10: Transpired Collector So
Page 62 and 63: Table 10.2: Technical specification
Page 64 and 65: Chapter 4PACKAGES DEVELOPED AT ITC,
Page 66 and 67: Figure 11.3: Fully assembled box ty
Page 68 and 69: total drying area of 2 m 2 . The dr
Page 70 and 71: The drying chamber is built with ha
Page 72: Renewable Energy Technologies in As

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