Fluidized Bed Jet Mills for fine grinding with a defined maximum particle size limitation | NETZSCH Grinding & Dispersing

Products / Solutions > Dry Grinding > Fluidized Bed Jet Mill CGS

Hard and/or temperature sensitive product? - No Problem!!

CONDUX CGS Fluidized Bed Jet Mill

General Information

This innovative air jet millmill
A mill is a machine with which a feed material is crushed into a finer end product. is capable of fine grindinggrinding
Crushing of a solid either in dry or suspended form. all kinds of dry products with virtually no contamination.

Through this specialized millingmilling
Crushing of a solid either in dry or suspended form. concept, product grindinggrinding
Crushing of a solid either in dry or suspended form. is entirely autogenous. Gas jets alone create the grindinggrinding
Crushing of a solid either in dry or suspended form. energy. No tool wear occurs!

An integrated dynamic air classifier in the housing can be infinitely adjusted to the desired fineness. This guarantees exact adjustment of the grindinggrinding
Crushing of a solid either in dry or suspended form. parameters and reproducible product quality.

Even the hardest of products poses no problem for this machine. In addition, extremely temperature sensitive products such as wax can be processed under continuous operationcontinuous operation
In continuous operation, "operated in throughfeed", product is continuously fed into the grinding chamber of a grinding unit via an inlet and discharged at the outlet. .

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Applications

Examples of applications for the CONDUX CGS Fluidized Bed Jet MillMill
A mill is a machine with which a feed material is crushed into a finer end product.

Black and color toner
Organic and inorganic pigments
Talcum and other minerals
Silicates
Powder coatings
Glass powder
Plant protectants
Natural and synthetic graphite
Hard metal compounds and other metal powder
Ceramic glazes
Dental ceramics
...

contamination-free fine grinding with fluidized bed jet mills

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Technology

Finenesses from d₉₇ <1 µm to d₉₇ 70 µm (based on limestone)
Air jet millmill
A mill is a machine with which a feed material is crushed into a finer end product. for the ultra-fine grindinggrinding
Crushing of a solid either in dry or suspended form. of soft to hard materials in a fluidfluid
Generic term for gases and liquids. bed
Newly developed grindinggrinding
Crushing of a solid either in dry or suspended form. methods e-Jet^® and s-Jet^® (patent pending)
Exactly defined maximum particle size through integrated dynamic air classifier
Vortex free fines outlet with expansion chamber to reduce circumferential speed and wear as well as buildup of residues
Classifier wheel with exchangeable, simultaneously rotating immersion tube to achieve highest finenesses, unlimited adjustment
Gap between classifier wheel and fines outlet rinsed by gas for highest possible prevention of coarse grains
Classifier shaft seal rinsed by compressed gas to protect the bearings
Entirely autogenous grindinggrinding
Crushing of a solid either in dry or suspended form. - no tool wear - no contamination
Warming of product prevented by grindinggrinding
Crushing of a solid either in dry or suspended form. with cooled gas (20°C), therefore applicable for extremely temperature sensitive materials
Significantly lower compressor capacity as opposed to comparable jet mills
Highest finenesses and maximum throughput achievable with just one classifier wheel
Hinged classifier head provides good access for fast and easy cleaning and maintenance
Reproducible results
Optional designs available: pressure shock resistant, gas tight, inert

milling concept of the contamination-free CGS Fluidized Bed Jet Mill

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e-Jet^®

The new e-Jet^® System (efficiency, economy, ecology)

Were air jet mills not economical for your product and application in the past? Not anymore! We have closely examined the energy efficiency of this technology. The result is a completely new grindinggrinding
Crushing of a solid either in dry or suspended form. method.
Until now air jet millingmilling
Crushing of a solid either in dry or suspended form., due to its energy consumption, was only cost efficient when applied to high value products. Now many other materials can be economically processed in our fluidized bed jet mills.
Economy is only one of the distinguishing features of our new e-Jet^® System (patent pending). Process optimization through the adaptation of grindinggrinding
Crushing of a solid either in dry or suspended form. conditions provides energy savings of up to 30 % compared to the conventional operation of air jet mills. Products that in the past could only be economically processed in mechanical mills, can now be micronized even more economically in our CGS Fluidized Bed Jet MillMill
A mill is a machine with which a feed material is crushed into a finer end product. using the e-Jet^® System.
Convince yourself! This energy efficient millingmilling
Crushing of a solid either in dry or suspended form. system is now available for direct comparison in our laboratory in Hanau!

the way to energy efficient fine-grinding

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s-Jet^®

The new s-Jet^® System (steam, superfine)

The s-Jet^® System (patent pending) is a new innovation in a line of consistent developments being made in the area of air jet millingmilling
Crushing of a solid either in dry or suspended form.. Final finenesses in the submicron range (example: d₅₀ 0,2 µm) can now be achieved with fluidized bed jet mills.
As opposed to conventional dry grindinggrinding
Crushing of a solid either in dry or suspended form. processes with fluidized bed jet mills, the s-Jet^® System uses superheated steam as its millingmilling
Crushing of a solid either in dry or suspended form. gas.

Since steam moves at a higher speed of sound than air, the circumferential speed of the current inside the classifier wheel can rise, which in turn influences the G forces effecting the material being classified. This is the decisive step toward classifying particles into the submicron range for the first time, via dry grindinggrinding
Crushing of a solid either in dry or suspended form..

Above all, are the interesting economical aspects of the new s-Jet^® System: Compared to air, steam provides a considerably higher jet energy. Jet speeds of up to 1,200 m/s can be achieved and the kinetic impact energy of the particles inside the fluidfluid
Generic term for gases and liquids. bed rises fourfold! This leads to a distinctive increase in throughput as opposed to air operations (more than double the capacity). Therefore, the throughput of a machine can be increased immensely, without changing the fineness!!