Convection drying Drying curves for granular solids Features - convection dryer for drying experiments on granular solids - plotting of drying curves Learning objectives/experiments - influence of air temperature and humidity on drying intensity - plotting of drying curves with constant external conditions - determination of drying rate with different air parameters and different solid properties - evaluation of drying processes using energy and mass balances Specification [1] drier for investigating convection drying of solids [2] drying on 4 corrosion resistant plates in a drying channel with an air flow [3] adjustment of air velocity via speed of fan [4] air heating with controlled heater [5] digital balance for measuring the change of weight during drying [6] 1 combined sensor for measurement of humidity and temperature before and after the solid sample [7] 1 air velocity sensor [8] GUNT software for data acquisition via USB under Windows 10 Technical data Drying channel - length: 2340mm (with fan) - internal dimensions: 350x350mm Fan - power: 33W - max. output: 700m3/h - max. speed: 950min-1 Heater - power: 0...6750W - with adjustable temperature limiter Balance - measuring range: 0…10000g - resolution: 0,1g Measuring ranges - air humidity: 0...100% r.F. - temperature: 0...125°C - flow velocity: 0...2,5m/s 400V, 50Hz, 3 phases 400V, 60Hz, 3 phases 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 2350x800x1200mm Weight: approx. 175kg