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[[File:Fluid Jet Mills_1.jpg|thumb|200px|right|Fluid Jet Mills]] | |||
'''Fluid Jet Mills''' are commonly used in manufacturing of equipment for the pharmaceutical, cosmetic and chemical industries. | |||
==Features== | |||
*enhanced hi-tech milling chamber geometry | |||
*nozzles designed for laminar jet streams and available with different grinding angles | |||
*optimized static classifier | |||
*elimination of the “caking” of sticky powders | |||
*narrow Gauss curve (particle size distribution) | |||
*lowest gas consumption on the market | |||
*elimination of the “blowback” phenomenon | |||
*optimized gas-solid separation and unique collecting point with yields close to 100% | |||
==Working Principle== | |||
The powder is fed at subsonic speeds (approximately 50 m/s) into the flat cylindrical milling chamber tangentially through a Venturi system using pressurized air or nitrogen. Once inside the milling chamber the particles are then accelerated by a series of jets around the perimeter to supersonic speeds (300 m/s), in a spiral movement. The micronizing effect occurs when the slower incoming particles and the faster particles in the spiral path collide. While centrifugal force retains the larger particles at the periphery of the milling chamber, the smaller particles exit with the exhaust gas from the center of the chamber. This process works at constant temperature (endothermic) and independently with the lowest consumption of process gas compared to similarly sized units available on the market. | |||
==Video== | |||
<youtube>njDCCOryXyM</youtube> | |||