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Fine way to screen powder
07 November 2013
Six Russell Finex sieve units are helping Nestlé screen milk powder on finer meshes without compromising flow rates at its new 26,000t/year milk powder processing plant in Osorno, Chile.

With three different milk product ranges being processed, each requiring different flow rates, Russell Compact Sieves comprising of 600, 900 and 1200mm diameter units, were supplied to each process line.
Recent changes in industry practices have resulted in the need to screen milk powders finer. Russell Finex says that traditionally 4mm aperture mesh (5 mesh) has been used but 2mm (10 mesh) is becoming more common practice. The Russell Compact Sieve is able to screen the milk powder at this finer mesh size without compromising flow rates, preventing the sieve from becoming a bottleneck.
Constructed in stainless steel, the sieve is easy to clean between batches, and its simple design allows operators to strip down and clean the machines without tools. With enclosed screening for total containment, dust and fumes are also eliminated. The machines were fitted with BFM connectors, a hygienic connector system that allows easy removal for cleaning or replacement.