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Compressed air for jet mills

If you use jet mills for the production of ultra-fine powders, you can save energy costs by cleverly utilising heat from the compressed air. KAESER has expanded the range of options for its oil-free screw compressors in the CSG, DSG and FSG series for this purpose.

Challenge

Besides stream, jet mills are mostly operated with compressed air or with nitrogen in the circuit. When converting the energy in the grinding nozzles, not only the pressure but also to a rlage extent the heat stored in the compressed air can be used for the grinding process. This waste heat is generated during the production of compressed air and is accordingly available free of charge.

PRODUCTS

KAESER Compressors with the compressed air outlet temperature control option are available cfor the KAESER CSG, DSG and FSG models
Power range from 37 to 355 kW
Compressor range can be provided for these models in the range from 4 to 11 bar overpressure
Depending on the user’s requirements, air-cooled or water-cooled units are available for selection

Solution statement

KAESER Kompressoren SE has further developed its modular options for KAESER two-stage oil-free screw compressors so that the special needs of jet mills can be taken into account
Flexible and controlled adjustment of the intercooling enables regulation of the compressed air discharge temperature.
Depending on the material to be ground, this can lead to a significant reduction in the specific energy requirement per tonne of finished product

Customer value

In addition to the compressed air temperature control options, KAESER also offers specially developed compressors for nitrogen cycle operation.
These KAESER compressors are individually adapted to the nitrogen circuit.
The KAESER oil-free compressing screw compressors of the CSG, DSG and FSG series not only supply compressed air but also process heat.
This makes them ideal for use in combination with jet mills.

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