Solar, Biomass and Hybrid Dryers - BioEnergy Discussion Lists

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Dimensions are in mm1.1.1.1.1Figure 5.4: Dimensional details of the drying chamberThe drying chamber is partitioned into three columns. Nine trays, made of woodenframe and stainless steel wire mesh, are kept inside the drying chamber. These trayshold the product in thin layers, during the drying process. Each column is providedwith separate doors to reduce thermal losses while handling the product inside thedrying chamber during the course of drying.The drying chamber also has three solar absorbers with glazing at the top, just belowthe uppermost tray. The warm air loses its heat as it acquires moisture from theproduct and moves along the drying chamber to the top. It requires further heatingto reduce the chances of condensing and to enhance the draft effect in the chimney,which the additional solar collectors provide.A wooden frame supports the drying chamber at the bottom. All the joints of theassembly are made airtight by fixing rubber gaskets between the joints. Figure 5.4illustrates the design of the drying chamber.ChimneyA chimney (0.5m x 0.075m x 0.44m), made of GI sheet, is attached at the top of thedrying chamber for warm moist air exit. The chimney is provided with a roof toprotect the product inside the drying chamber from rain. Detailed dimensions of thechimney are presented in Figure 5.5.30
Dimensions are in mmFigure 5.5: Improved solar cabinet dryer chimney dimensional detailsThe dryer was tested for radish, carrot, ginger, mushroom, potato and pumpkin, andfound to perform well.31
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 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 50 and 51: Telescopic chimney110 cmTop cover88
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

Solar, Biomass and Hybrid Dryers - BioEnergy Discussion Lists

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