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Recycling Construction and Demolition Materials with the Modern Solution
Although highly suited to primary aggregate production in quarries and sand and gravel plants, Screencore’s mobile and modern range of mobile solutions has found a real niche in processing materials arising from construction operations. Possessing exceptional productivity but at the same time being fuel efficient, the crushers, screens and stockpilers are now at work throughout the world processing a variety of materials, turning what was once considered to be waste into a valuable resource. Companies working in the demolition and recycling industries have been quick to see how Screencore material processing and handling equipment can aid their business operations. Playing a major part in the success of Screencore has been the company’s extensive international distributor network. The relationship forged has led directly to a number of compact Screencore tracked jaw crushers, Trident scalper-screens, Orbiter trommels and radial stockpilers being used to recycle construction and demolition materials. To this can now be added a bespoke selection of stationary recycling plants. All of these solutions are designed to benefit users, heling them to turn waste into high quality aggregates and other valuable products. “The Screencore product range was developed in order to meet the needs of the modern contractor and materials handling operation. We have set out to build to the highest standards equipment that helps people in the field be more profitable, efficient and effective in what they do. We have also incorporated environmental efficiency into every step of our processes to minimise customers’ carbon footprint. All this has meant that working with our distributors has seen Screencore equipment adopted on numerous projects, turning construction waste into reusable and/or resaleable products,” explained Screencore director, Ciarán Ryan. A typical application: in this case, a Screencore XJ Dual-Power Crusher being fed the demolished or excavated material, usually by an excavator or loading shovel. The Screencore XJ itself is a dual-power 1000 mm x 650 mm jaw crusher designed with a compact footprint. It has proved to be ideally suited to the modern demands of a recycling contractor, rental fleet or inner-city demolition/recycling site. It weighs in at just 30,000 kg which means that it can be easily relocated without the need for permits. It is designed to be both environmentally and acoustically friendly while delivering impressive throughput even on hard rock applications or concrete with rebar. Due to the easily transportable and modern nature of the equipment, contractors and rental fleets have found that the Screencore crusher and screen combination can be readily transported to where the material is. This means that the material can be processed where it originated, and generally where it is needed, resulting in no unnecessary emissions, material handling or transport costs. In addition, the local environment is not subject to unnecessary traffic disturbances and the overall carbon footprint of the contract is dramatically reduced. For some operations however, mobility is not essential. This has led Screencore to use its expertise to develop a range of bespoke stationary solutions based around its Orbiter trommel range working alongside Screencore stockpilers and scalpers.
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Following crushing to -100 mm, the material is then fed into a 17,000 kg Trident 124 scalper/screener to produce 0/25 mm, 25/60 mm and +60 mm products. In addition, any ferrous metals such as rebar or wire, are easily removed for resale/recycling by the overband magnet on the XJ crusher’s discharge conveyor before being fed into the screen. In many applications the 0/25 mm material is generally used for pipe bedding; 25-60 mm directly as road subbase or as feed material for secondary crushing for concrete production, whilst the +60 mm is used as drainage stone. The combined set-up time for this crushing and screening combination is less than 30 min. 
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