Information about our laboratory spray dryer
Laboratory Spray Dryer MOBILE MINOR™. For universities, research centers and specialist powder productions
- New generation of laboratory spray dryer
- Choice of three atomizer systems
- Dries both aqueous and solvent feedstock safely
- Excellent access - easy to clean
The Niro laboratory spray dryer MOBILE MINOR™ has enjoyed unique success ever since it was first introduced back in the fifties. Around 2000 units have been supplied to universities, research centers and specialist powder production facilities around the world.
In the MOBILE MINOR™ small quantities of solutions, suspension and emulsions can be dried into powder samples for further evaluation. Test results from the MOBILE MINOR™ provide important information for selecting the design and technical specification of a given drying project.
THREE ALTERNATIVE ATOMIZING SYSTEMS ARE OFFERED:
ROTARY ATOMIZER
Located in the center of the chamber roof. An air turbine drive operating from a 6 bar compressed air source supplies power to the atomizer wheel. A vaned atomizer wheel is used for non-abrasive feeds and an atomizer wheel with carbide bushings for atomizing abrasive feeds. Particles in the range 5-25 µm are created.
TWO-FLUID NOZZLE, CO-CURRENT MODE
Located also in the centre of the chamber roof. The atomization is created by compressed air at a pressure of 0.5-2.0 bar. The feed and atomizing gas are passed separately to the nozzle head where atomization takes places. Two-fluid nozzles have the advantage of handling more viscous feeds. The co-current mode is selected for drying heat sensitive products to fine particles in the range 5-25 µm.
TWO-FLUID NOZZLE, FOUNTAIN MODE
Located in the cone of the drying chamber spraying upwards. The fountain mode is selected to meet a more coarse and free-flowing powder specification. Often used for fine ceramics and other non-heat-sensitive products. The counter-current flow offers a dryer performance with excellent heat utilization and provides the longer powder residence time in the drying chamber required to complete the drying to larger particles in the range 15-80 µm.
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