Feature

Features

All M&J PreShred units feature a modular design approach combining a range of
well-proven components to meet your specific application and shredding performance. Metso Denmark’s range of stationary shredders includes four machine types covering a wide range of capacities. Each model is available in a variety of shredding performance levels. Our stationary units are suitable in a wide range of different applications.

Benefits

  • Open cutting table reduces wear to the bare minimum
  • Bi-directional shredding results in a consistent flow of shredded material onto down-stream conveyors
  • Asynchronous shredding keeps waste constantly moving, thus improving shredding efficiency
  • With our aggressive knife design, no pushing device is required
  • Central lubricating system is standard on all machines
  • Automatic reversal if knives encounter large or tough steel cement parts
  • Intelligent shredding routines automatically adapt to processed material characteristics. The PLC control system is equipped with six standard programs, including two that can be individually programmed
  • Hardox steel used in all parts of the cutting table exposed to wear
  • Bi-directional shredding with equal speed and torque reduces wear and improves capability and pre-shredder capacity

The best choice in your plant

RDF lines

Waste is considered a potential energy source where stationary PreShredders play an important role. Most plastic and paper waste Refuse Derived Fuel (RDF) plants have specific requirements regarding shredding capacity, grain size and operating reliability to ensure reliable and consistent production. The RDF technology is used at e.g. Waste-to- Energy (WTE) plants, gasification plants, cement kilns etc.

Biomass

Companies engaged in biomass processing are increasingly adopting stationary shred­ders to increase the delivery of consistent, specific carbon-neutral biomass energy products. This selected fuel is attractive to operators of incineration facilities who are keen to reduce their overall carbon emissions.

Waste-to-Energy (WTE)

Worldwide focus on recovering as much energy out of waste as possible, has led to waste pro­cessing being an important growth market for shredder technology at WTE plants. Numerous technologies now exist to produce fuels and energy from waste. Incineration is the most common WTE conversion but to maintain a consistent flow, increase combustion efficiency, improve emission and reduce costs, it is essen­tial that the waste is pre-shredded. Input could be Bulky, Industrial (C&I), Hazardous, Household (MSW), Wood, Construction and Demolition (C&D), Biomass as well as baled materials like straw.

MBT plants

Mechanical Biological Treatment (MBT) compa­nies can increase recycling opportunities when using Metso shredders. By combining Metso stationary PreShredders with Metso FineShred­ders, a perfect RDF can be produced, thus ensuring a maximum recovery of material

Specifications
  M&J PreShred 1000 M&J PreShred 2000 M&J PreShred 4000 M&J PreShred 6000
Number of shafts 2 1 2 2
Rotation speed (standard/HDC) 13-52 / 10-37 rpm 16-40 / 26-55 rpm 16-40 / 26-55 rpm 11-32 rpm
Cutting area 1584 x 1600 mm 2420 x 1273 mm 2420 x 2000 mm 3461 x 2400 mm
Number of knives 5/6/7 6/8/9/10 6/8/9/10/12 9/12/14/16
Power pack 2 x 55/75/110 1 x 110/132/200 2 x 132/160/200

2 x 200/250

Capacity per hour EtaPreShred1000 EtaPreShred 2000 EtapreShred 4000 EtaPreShred 6000
Household waste Up to 40 ton Up to 70 ton Up to 100 ton Up to 200 ton
Demolition wood Up to 30 ton Up to 40 ton Up to 70 ton Up to 100 ton
Industrial waste Up to 15 ton Up to 20 ton Up to 35 ton Up to 50 ton
Bulky waste Up to 20 ton Up to 25 ton Up to 50 ton Up to 70 ton

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