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Hard to process plastics not a problem for Herbold Meckesheim

The first large-scale plant for the recycling of heavily contaminated PE film waste running near Johannesburg can process 8000 t/year.

Herbold Meckesheim has developed the new EWS 60/210 single-shaft shredder, which will debut at the upcoming K Show in Germany next month. The machine is best suited for pre-shredded baled, bulky or other hard-to-process plastics – this includes agricultural film and mixed plastics.

The novel EWS 60/210 shredder was created for dry and wet operations. It is capabale of processing 3 tons of material per hour. Herbold Meckesheim  focused especially on making a suitable wear-protected rotor. Besides, the shredder features custom knife configurations, and is equipped with bolted armour plating and a special grinding chamber seal. 

The two-sided belt drive is ‘low maintenance’, and there is an integrated clutch mechanism that prevents damage to the machine when ‘uncrushable’ feed material enters the system. In operation, large items or bundles are fed into the unit’s hopper by a forklift or an optional infeed conveyor.

Herbold Meckesheim will also showcase its new DWS two-shaft shredder at the K Show in Düsseldorf. Due to the large surface area of the rotor, the machine is said to have a very good feed performance. The two-shaft solution was created to handle materials that can only be fed in doses using conventional shredders such as big bags or high-volume containers.

Herbold also redesigned its series of Herbold SB series granulators. The feed material is not fed into the grinding chamber from the top through the force of gravity as in the case of standard granulators, but by even feeding the material into the grinding chamber horizontally at the height of the rotor using screw conveyors.

The rotor, which is manufactured from a single forged piece, ensures stability. The knives of this rotor won’t shift because they are bolted to a massive backstop. The tech supplier says its design also makes cleaning easier since there are no ‘dead spots’ in which grinding residue can deposit.

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