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M&J Eta PreShred 4000 shredder designed for highly variable infeed

M&J Eta PreShred 4000 shredder designed for highly variable infeed

The M&J Eta PreShred 4000 is a large waste shredder capable of effectively and reliably shredding virtually any type of material. This shredder is designed to meet the special needs of plants in which incoming material varies greatly in terms of size and composition, and can contain unknown quantities of steel, stones and concrete. Examples include recycling plants for refuse derived fuel (RDF), incinerators, and large hazardous waste plants with challenging inputs such as household waste, bulky waste, C&D waste, chemical waste, industrial waste, tree stumps, carpets, mattresses, railway sleepers, and refrigerators, as well as compacted waste in bales and rolls. 

Throughput can be as high as 100 tons/hour, depending on the type of input, the number of knives specified for the cutting table and the feed setup. According to Metso, the interaction between the two knives rotating on two shafts running asynchronously and in both directions ensures that the input material is constantly in motion, thus preventing bridging and providing maximum shredding capacity. 

Key features of the M&J Eta PreShred 4000 include a 390 kW (530 hp) Mercedes diesel engine, with either a standard hydraulic system or a special HDC high-speed version; three different power pack options, including 2 x 132 kW, 2 x 160 kW, and 2 x 200 kW; and availability with 5 to 12 rotating knives.

The 4000’s rotating knives are 80 mm thick (50 mm for 12 knives) and made of Hardox steel. Versions equipped with two shafts, five knives per shaft, produce a coarse grain size, and are ideal for manual picking lines.

The version fitted with 12 knives produces material to <100 mm, making it ideal as a secondary shredder for use in conjunction with Circulating Fluidized Bed (CFB) incineration or other applications requiring relatively small grain size.  

Company info

20965 Crossroads Circle
Waukesha, WI
US, 53186

Website:
metso.com

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