The fluid bed jet mill which features opposed grinding nozzles and a dynamic classifier. Air or inert gas at elevated pressure is injected through specially designed nozzles directly into the grinding chamber of the mill, creating a sonic or supersonic grinding stream. Raw feeding is automatically introduced to the mill chamber by an interlocked feed control system.
The agitation provided by the grinding chamber and nozzle design cause particles to become entrained in the air or inert gas stream. Particle size reduction is accomplished by high velocity collisions between particles. Small particles are then swept towards the classifier which rotates at high speed above the grinding. The speed of the classifier is preset for the proper sized product and is electronically controlled. Material which is fluidized fine enough to overcome the inertial force generated by the classifier escapes the jet mill and is collected as product. Oversized particles are recycled by the classifier back into the grinding chamber for further reduction.
With the advanced design of the integrated, dynamic classifier, particle size distribution can be more easily controlled. Efficientuse of compressed air and total system automation ensure manufactured products of the highest quality. Capable of grinding dry powders to 0.5~45 microns average with specific top size and/or bottom size requirements.
Features & Benefits:
Laboratory up to production models;
Top sizes as fine as D90 of 1 micron;
Low noise (less than 75 dB);
Variable speed classifier wheel for precise classification;
Feature a ceramic lining to prevent iron contamination;
Applied to grind heat-sensitive products with critical heat limitations;
Applications for Chemicals, Minerals, Pharmaceuticals & Food Products;
Main Parameters of Fluid bed Jet Mill
Fluid bed Jet Mill Flowchart
1. Air Compressor 2. Air Tank 3. Air Dryer 4. Jet Mill 5. Cyclone 6. Dust Collector 7. Draught Fan