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Set up in the late 1950’s by Geoff Boden and Eric Davies and still owned by the Boden family, the company has become an industry leader in wood waste recycling handling over 800 tonnes of waste each day. Based on a 15 acre site in Astley in Greater Manchester the plant recycles wood which is supplied to various industries such as flooring, manufacturing and biomass. The company is also one of the UK’s leading manufacturers and supplier of pet products. The Bodens plant is one of the world’s biggest waste wood recycling plants. We would like to give you a brief insight into the system:
The waste wood processing line has been supplied and installed in 2008. The system has been running for more than 30,000 hours and more than 2,400,000 tonnes of waste wood have been processed! The line starts with a mobile HAAS Twin-Shaft Slow Speed Shredder on tracks – TYRON 2.500 – to which the waste and demolition wood is fed. The pre-shredder reduces the material to a size « 300 mm. After a heavy electric overband magnet to separate iron/ferrous parts the material is fed via a vibrating conveyor with a screening area towards the HAAS Horizontal Hammermill.
The screening area in the vibrating conveyor separates existing fines like sand, soil and others to reduce the wear on the hammermill. This material is transported via conveyor belts to a separate container. The vibrating infeed also distributes the pre-crushed material equally to use the 2m working width of the heavy hammermill refining the material.
Underneath the hammermill the grinded material (« 75 mm) is discharged with a double screw conveyor to a belt conveyor with an integrated weighing system. All tonnages are shown on a display with detailed reports. For an ideal ferrous and non-ferrous separation after the hammermill, the lines are divided onto two conveyor belts, each with an overband magnet, a magnetic pulley and a drum magnet. More than 98% of the metal parts are separated before the material gets onto the following HAAS Flat Screen.
The oversized (» 75 mm) as well as the fine material (0-5 mm) is separated on the screen desks. The middle fraction (5 - 75 mm) goes through a HAAS Light Weight Separator extracting light parts out of the material flow.
To separate the non-ferrous parts the accepted material (5 -75 mm) is transported to two 2 m wide Eddy Current separators before the clean wood chips are fed onto the HAAS Automatic-Truck-Loading-System.
Bodens are extremely happy with the quality and reliability of the HAAS equipment. The satisfaction made the choice for Bodens very easy when they invested in a new static electric slow speed shredder early this year. HAAS supplied and installed the static electric pre-shredder with a separate power-pack in February 2015. The old mobile machine was completely revised by Bodens and is now used as backup machine when the new shredder has to be serviced.