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WARRIOR 1400 IN C&D Waste
Approximately 400 million tonnes of household, industrial, commercial, building and demolition waste are currently produced in the UK annually – and this huge volume is increasing steadily year by year. With legislation focussed on driving sustainable waste management forward and the ever-increasing awareness of both the value of recycling and its significant contribution to reducing landfill disposal, the recycling industry and its equipment providers are constantly striving to find new ways to improve reclamation processes.
Powerscreen International is a world leader in the design and manufacture of recycling plant and equipment. An excellent example of how their equipment contributes to the continuing fight to recycle and reclaim saleable materials from demolition waste – and significantly reduce waste-to-landfill tipping - is to be found at a busy site in Sheffield, UK.
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Hopkinson Waste Management of Staveley, Derbyshire has its own recycling plant but also hires out screening equipment to local authorities and waste contractors. Around twelve months ago, Hopkinson added a Powerscreen Warrior 1400 mobile dry screening plant to their growing fleet of recycling machinery and one of its first jobs was out on hire at a waste recycling plant in nearby Sheffield. Here, the Warrior 1400 was teamed with a crushing plant from Powerscreen’s sister company Terex Pegson to process, recycling and reclaim secondary aggregates and fines from oversize building and demolition waste on the site.
The Warrior 1400 has a potentially high output capacity of up to 500 tonnes per hour, depending on feed materials and screen size and, once on site, set-up time is remarkably swift taking only 30 minutes in a typical situation. Weighing in at around 25 tonnes, the Warrior 1400 has compact transport dimensions; power and hydraulics are commensurate with the unit’s high performance. One of the most flexible screening machines on the market today, the Warrior 1400 has a highly aggressive screenbox which is able to operate with finger screens, woven mesh and punch plate on both top and bottom decks - the top deck only can also operate with Bofor bar. Screen angles are hydraulically adjustable and the bottom deck features a speedharp, or self-cleaning ball deck system, and bottom screens can be easily accessed for changing or maintenance.
The large hopper - with Hardox steel sides and an hydraulically folding rear door to accommodate direct feed from the Pegson crusher working in tandem - has a generous capacity and the variable speed incline feeder belt is equipped with impact bars, discharging onto the screenbox from above in order to eliminate bridging.
All the stockpiling conveyors are oversize, hydraulically folding and angle adjustable. The mid-size material falls directly on to the mid-product conveyor, which also features a special “slide-up” system that allows easy access to the bottom deck meshes for cleaning, overhaul or replacement.
Working here for Viridor at its Salmon Pastures waste handling site in Sheffield, Hopkinson’s Warrior was required to screen and stockpile a broad range of raw waste materials from domestic, construction and demolition sources. Around 3,000 tonnes of waste is processed at the Viridor plant each week and additional equipment such as the Warrior and Pegson crusher are brought in every four to five weeks to augment the existing recycling plant on site. This is because Viridor stockpiles everything larger than 100mm in size at their facilities and, when stockpiles reach optimum, the hired-in plants are employed to deal with the material at a rate of around 1200 tonnes per day. The stockpiled oversized materials are crushed and screened to produce landfill cover and haul-road aggregate.