CE 322 Rheology And Mixing Quality In A Stirred Tank Didactic Equipment Vocational Education Equipment Fluid Lab Equipment
Stirring machine with direct torque measurement to determine the power curves Features - stirring machine with direct torque measurement to determine power curves Learning objectives/experiments - determination of mixing characteristics -- mixing time and degree of mixing -- mixing time key figure - determination of power curves -- power demand -- power number (Newton number) - influence of -- stirrer type -- geometric relationships -- speed -- substance properties (density, viscosity) - evaluation of flow state by Reynolds' number (laminar, turbulent) - mode of action of baffles - gassing and heat exchange in stirred tanks - observation of flow fields of different stirrer types for solutions, emulsions and suspensions Specification [1] production of solutions, emulsions and suspensions with different viscosities [2] stirred tank with coiled tube, baffles and gas distributor in the bottom; removable components [3] lowerable, stirring machine with adjustable speed [4] 11 stirrers with different geometries [5] plastic balls to visualise flow fields [6] sensors and digital displays for electrical conductivity, temperature, speed, torque, flow rate [7] software for data acquisition via USB under Windows 10 Technical data Stirred tank - volume: approx. 15L - material: DURAN glass and PVC - cover with 2 free connections for your own sensors - gas distributor: holes Ø 1,25mm Stirrers - 2 propeller stirrers - 3 blade stirrers - 5 pitched-blade stirrers - 1 turbine stirrer Coiled tube - length: 9,4m, Ø 140mm Measuring ranges - conductivity: 0...100mS/cm - temperature: 0...100°C - speed: 6...2000min-1 - torque: 0...200Ncm - flow rate: 1...250L/min 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 800x500x1000mm (experimental unit) LxWxH: 600x400x150mm (storage system) Total weight: approx. 80kg
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