Size Reduction
A helping hand for sticky foods
Mikro ACM Mills from Hosokawa Micron Ltd can be used across Mikro ACM, air classifier mill can achieve the requested fineness
almost the whole field of fine and micro-sized size reduction of of 99.7 up to 99.99% < 75 µm. Reduced maintenance and
products up to a hardness of 4 Mohs but their high air cleaning intervals now mean there is even less risk of microbial
throughput, material flow and gentle comminution make them contamination. Designed as a closed loop system, the air quality
uniquely suited to the processing of heat sensitive products such remains constant and resulting low air humidity prevents
as high-grade cocoa powder or chocolate crumb. New condensation forming.
developments in design have made the Mikro ACM even more Many chocolate companies use the ACM for producing a high
suitable for such heat and flavour sensitive products. quality chocolate crumb with a maximum particle size of 22
With an internal air classifier, these impact mills are capable of microns and a D50 of 10-15 microns which produces a non gritty
fine grinding many difficult food materials without creating and very smooth final product consistently all the time. All this
excess ultrafines. The ground product has a steep particle size from a single piece of equipment means capital and operating
distribution curve and this can be tailored to suit the application cost savings over wet milling systems. Chocolate crumb is a
by adjustment of grinding conditions high fat content material which can be very sticky and difficult to
and the air classifier speed. In the food handle and process .
industry these tight tailor made grain The Mikro ACM has an impeccable pedigree developed over
size distributions have economic many decades by Hosokawa Micron and is available in a very
advantages in dispersion and wide size range from laboratory to large production units of
subsequent handling operations. several hundred KW, handling many tonnes per hour. Scale up
New developments of the Mikro confidence and repeatability of results is excellent. Easy clean
ACM include the direct cooling of the designs where the mill internals can be fully exposed for
grinding chamber which now means cleaning within minutes and CIP system designs are also
cocoa with a fat content of 26% can be available. Safety is paramount and the full grinding system can
milled without risk of product be protected against dust explosion hazards, usually by a
degradation. This high fat cocoa cannot Pressure Shock Resistant design (PSR) or inert gas blanketing.
be processed with pin mills, but the For more information visit: www.hosokawa.co.uk
INGREDIENT SIEVE
FOODEX Stand Q020, NEC, 21-24 March
+ sieve magnet
increased product protection
+ metal detectable seal
patent pending thermo-plastic

Full range of FBD equipment
www.eclipse-magnetics.co.uk
Eclipse Magnetics Ltd, Atlas Way, Atlas North, Sheffi eld, S4 7QQ, England
T +44(0)114 281 4373 enquiries@eclipse-magnetics.co.uk
F +44(0)114 225 0525 www.eclipse-magnetics.co.uk

www.solidsandbulk.co.uk February 2010 Solids & Bulk Handling 53
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