system. An adjustable easy to read LCD colour monitor provides real time information of the machine functions, important diagnostic information and a wide variety of work tool settings.
Once the EC250E has done its job of breaking up the compacted material, it is then loaded by a resident Volvo L180F into the primary feeder. The IBA is then conveyed into the state of the art screening plant where it is first passed through a revolving trommel which helps to break it up and separate the larger material. The process separates the material into various sizes whilst removing both ferrous and non-ferrous metals. The ferrous metal is sold into the UK scrap market whilst the non-ferrous metals are sold for further refining either in the UK or on the continent. The remaining material is sold as a recycled aggregate. This processed material is handled by the newly delivered L150H loading shovel which is powered by a 13 litre 300hp Volvo Stage IV engine. One of the key features is that a maximum torque of 1317Nm is achieved at just 1450rpm and the resultant fuel savings are further enhanced by the Volvo Eco pedal encouraging the operator to run the machine at its optimum rpm in the engine’s torque curve. The machine is equipped with a 4.4m³ rehandling bucket.
“Once again we’ve opted for the Volvo brand as the machines have demonstrated that they are reliable and well on top of the demands we place on them. They are a good tool for the job,” comments Stuart Holmes. “In addition, the CareTrack and Matris GPS monitoring systems allow remote interrogation of how the machines are being utilised by the operators on site. All this coupled with the fact that
Volvo is head and shoulders above the competition when it comes to product support, are important reasons why we’re staying with them,” he continues. Founded in the ‘40s by the late John Day, Day Aggregates, a division of Day Group Ltd supplies over five million tonnes of construction material per annum. With a series of strategically located railheads and a network of factory concept processing plants located in London and the south east, Day Aggregates processes construction and demolition waste for re-use in a variety of construction applications, provides a range of aggregates for major and smaller construction projects and now has a significant presence in the Incinerator Bottom Ash market in these strategic areas. ■
Day Aggregates Ltd’s Plant Manager, Stuart Holmes
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1. On arrival, the IBA is stored under cover in windrows for approx four weeks to cure 2. IBA – note the high content of metal 3. The primary crusher 4. Screening plant 5. The trommel which breaks up the material and separates out the ferrous and non-ferrous metals from the ash 6. Storage bins full of ferrous metal – around 100 tonnes per week is salvaged and sold locally 7. Non-ferrous metals – this can contain precious metals such as gold, silver and platinum 8. Pelletized ash 4 – 10mm 9. And 0 – 4mm
8 THE VOICE MAGAZINE No31 2017
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