The heavyweight champion: VEZ 3200 • Vecoplan AG

The heavyweight champion: VEZ 3200

Powerful and economic at maximum throughput

Compact.Robust.Powerful and extraordinarily efficient.With the VEZ 3200 (Vecoplan refuse-derived fuel shredder), the environmental technology company has developed a powerful single-shaft pre-shredder with high throughput capacity. It is ideally suited for the manufacture of refuse-derived fuels from production and sorting waste, packaging material and the high-calorific fraction of domestic and commercial waste for use as an energy source in cement works and power stations.

The VEZ 3200 is equipped with Vecoplan technology and combines 50 years of experience in shredding technology with the latest know-how in its machine housing. The VEZ 3200 was designed on the basis of the successful VEZ 2500 TV with the objective of developing an even more robust, more powerful and more economic component. All parts which are subject to particularly high forces and loadings in the shredding process have been specifically reinforced.

Along with this reinforcement and the more compact external dimensions, a lower loading edge has been incorporated to simplify feeding of the machine by wheel loaders and stacker trucks. This enables the customer to dispense with additional conveyor equipment for feeding the machine. The provision of input material – in particular larger bales – is no problem thanks to the increased internal volume of the VEZ 3200. Bales with an edge length of 1,200 mm can be fed directly to this power pack. With infinitely adjustable ram speed, the improved orbital ram, which is matched to the wide variety of input material, ensures optimum shredding, even with heavy or very light input materials. A further new feature of the machine is that, thanks to the enclosed design, none of the hazard points on the outside of the machine are accessible, and sensors and all pipes for the different media are protected against severe contamination, falling input material and other external mechanical effects.

The Vecoplan refuse-derived fuel shredder can be set up in different ways: as a pre-shredder for producing sortable and conveyable material for the manufacture of refuse-derived fuel from production waste for the production of particle sizes <250 mm, and as a single-shaft shredder for producing particle sizes of up to <50 mm. The high-performance cutter is distinguished by the production of a uniform particle structure, maximum throughput capacity and reduced heat development for energy-saving shredding.

The rotor blades consist of hardened individual knives which can be used up to 4 times and can be quickly replaced thanks to the V-shaped centring seat. This also minimises wear and operating costs.

35-tonne power pack with solid steel rotor

The counter knives consist of several individual segments which can be used up to 4 times and can be individually adjusted from the outside. This guarantees an optimum cutting gap, thus reducing the heat developed and the energy required during the shredding process to a minimum. The flanged shaft extensions enable the rotor to be changed quickly without removing bearings and drive, thus reducing maintenance costs and increasing availability.

The VEZ 3200 is fitted with the HiTorc® drive unit. This revolutionary gearless drive with speed-controllable high-torque motor is virtually maintenance-free and generates little noise. Equipped with the latest frequency converter technology, starting currents, efficiency and torque are all optimised.

Current peaks can be adjusted and limited, thus achieving significantly lower electricity costs compared with conventional drives. The very high torque, which is available over the whole speed range, enables trouble-free starting under load, and reversing in the case of overload is highly dynamic.

The virtually maintenance free HiTorc® synchronous motor with 155 kW replaces maintenance-intensive drive elements such as belt drives, fluid couplings, slipping clutches and/or gearboxes. Particularly in the energy-intensive preparation of RDF, when using the HiTorc® drive, operators very soon notice the energy saving of up to 60% compared with conventional drives.

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