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Powershredder 1800 in Woodwaste Application
In a detailed machine appraisal exercise, Mulder’s Landscape Supply of Kalamazoo, Michigan, USA has chosen a Powerscreen Powershredder 1800 after closely comparing its performance with a variety of alternative competitive makes.
Pitting the machine against high speed grinders and used slow speed shredders, the company’s owner Art Mulder made his choice and the new Powershredder 1800 is now hard at work shredding and reducing mixed green waste and tree-stumps.
In addition to their topsoil business, where Mulder’s utilises a Powerscreen Phoenix 1600 Trommel, the company also brings in woodwaste and brush. In the past, this has been tipped to landfill but now the customer has decided to reduce the volume and also look at contract grinding and shredding opportunities.
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Two high speed grinders were demonstrated before the Powershredder. Both performed reasonably well, but couldn't handle all of the varied woodwaste materials. During the demonstration, the Powershredder 1800 proved itself more than capable of handling the waste raw material and could clearly deal with just about every application a contractor could possibly encounter. Additionally, the Powershredder 1800 produced significant savings in hourly fuel consumption and much lower wear rates than the other machines on the comparison tests. The machine was successfully making a -150mm product from the raw materials, with a large volume of fines, and feeding the shredded material directly into the hopper of the Phoenix 1600 Trommel to produce a premium topsoil which demands a higher price.
The Powershredder 1800 produces a consistent and uniform material sizing with a range of cleavers, tool heads, hooks and combs to match. Operationally, the machine is quiet, has a low dust emission level and is compact enough for the most restricted of sites. Automatic and fixed reverse shafts that are easy to replace facilitates maintenance and produces efficient processing of materials. Additionally, full remote control is available for safe operating distance. A generously proportioned low loading and tipping hopper allows the shredder to be fed by conveyor, excavator and grab or loading shovel. The hydraulically raised discharge conveyor, with chevron belting, has a discharge height of some 3 metres for good stockpiling capacity, loading directly into tippers or, as in this particular application, direct feed into a secondary separating or blending processor.
Optional extras include an overband magnet for removal of tramp metals and two different types of breaker bar can be installed below the shafts for further size reduction of waste materials.
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