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  February 3, 2023
Glass Machinery

Machine ID 4606 Year 2016
Category Glass Machinery - Miscellaneous Condition Demonstrator
Type Jet Mill Region MidAtlantic US
Manufacturer STM S.R.L. Sale Price $595000.00 (Retails for $2000000.00)
Model Jet Stream 300    
Photo Slideshow
Description STM S.R.L. Jet Stream 300 Jet Mill (Made in Italy). N 1 SDF Series Classifier. Full equipment specs and layout available upon request. Can be inspected under power. Buyer is responsible for dismantling, rigging and shipping.

The fluidized bed jet mill consists of a grinding unit which uses high pressure gas, and a variable rotary classifier for selection of particle size in the milled product, all in a single compact and versatile machine.

The high impact speed and accelerated air flow from the nozzles produces a high collision speed and very efficient grinding.

Compared with other types of air mills, this machine can save around 30-40% of energy.

The main operational feature is the reciprocal impact between the particles: with automated grinding, the particles very rarely hit the walls and do not pass through the nozzles; the mill is therefore suitable for the pulverization of extremely hard, abrasive substances.

The inside of the unit is fitted with a turbine classifier for ultra fine powders, a typical feature of the best mills, giving high-precision selection and a tight curve of particle size distribution.

Automatic operation allows the grinding and selection machine to be used in full safety and without the need for constant supervision.

The material to be processed is introduced via a volumetric feed screw, and transported to the grinding chamber through a rotating star valve.

Air or nitrogen gas at high pressure enters the chamber through nozzles situated opposite each other in the lower part of the machine.

The accelerated particles of product collide at the point of intersection of the air jets, and granular reduction happens exclusively from this collision of particles in the fluidized bed.

The ground product is transported to the ultra fine classifier turbine by an upwards air flow.

The end product passes through the product outlet and into a reservoir, while material which has not yet reached the desired fineness is returned to the lower section of the machine.

For extra fine particle sizes of products up to 10 Mohs hardness, obtaining fine and ultra fine powders (2 80 microns).

Wear and tear:

Jet mills suffer extremely low levels of wear and tear during operation. Therefore the resulting powdered products are absolutely free from contamination by iron.

Product quality:

Jet mills allow unlimited use and complete absence of coarse particles.


Dealer/Seller Contact Information
Contact Michael Kohler
Company Selective Machinery, Inc.
Address 17434 Palamino Lake Dr
Dade City Florida 33523
United States of America
Phone (704) 281-3260
Email sales@GlassMachineryLocator.com

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