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Hosokawa Alpine CONTRAPLEX CW 250

Fully refurbished Hosokawa Alpine CW 250 used machine by Alpine Originals.

The pin mill Hosokawa Alpine Contraplex CW fitted with two driven contrarotating discs. It is used to grind soft materials, even with high fat or humidity content. It allows also the processing of certain flexible materials or those that can´t lose their properties during comminution in cryogenic mode using liquid nitrogen (LN2) freezing them. This micronizer is perfect to pulverize different coarse products down to a finer powder and within different industries where micronization might be needed, such as minerals, chemicals, food, pharma, cosmetics, recycling, etc.
This grinder can be used for the pre-cut of different materials. It is able to process coarse products up to approx. 3 Mohs´ hardness by reaching medium to fine particles with end-product fineness values between d97 40 to 500 micrometer (µm) top size (product dependent) at the lowest possible energy consumption. The turbo mill can reach this final product range thanks to its two contrarotating pin discs, to achieve the desired fineness. This allows the same machine to process many different products such as fibrous roots or spices to plastics, granulated chemicals or mineral products. The comminution takes place inside the grinding chamber where the rotor plate fitted with pins impacts and projects the particles against the different pin rows reducing their size. The process gas then transports the fines to the mill outlet towards the next stage, normally the filter. Sometimes a cyclone is installed between the mill and filter or even a secondary air classifier. Thanks to the required process air volume, reduced temperature increase during grinding is to be expected compared to other granulation and crushing technologies. Adjusting the final particle size distribution can be easily done by changing different parameters, such as the speed of the grinding disc, the type of pins, air volume, feeding rate, etc.

Technical details
Cryogenic grinding machine (LN2)
Construction material: stainless steel
Non Pressure Shock Resistant (NPSR)
Scope of supply
Hosokawa Alpine 250 CW Contraplex pin mill with pin discs and motors
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A HOSOKAWA ALPINE Originals machine
Refurbished by the original manufacturer
Use of original components only
Original manufacturer warranty
Guaranteed manufacturer spare parts supply
Short lead time
Before delivery, the machine is overhauled, all wear parts are revised and exchanged if needed and customized to your specific needs
Possibility to provide all additionally required peripherals or adapt to existing production plant
We are also interested in buying back disused HOSOKAWA ALPINE machinery