POST INDUSTRIAL RECYCLING | TECHNOLOGY
IMAGE: GENOX
space requirement up to 86% and can reduce energy consumption by up to 7% compared to lines with a separate shredder and granulator. Integrating a conveyor belt, shredder, crusher, and aggregate system into a single machine makes the combination unit compact and easier to maintain, resulting in a significant reduction in overall equipment costs. Additionally, the cost of wear parts is significantly reduced, and the machine is designed to operate with minimal noise emission. The design of the combination unit ensures that all plastic waste is fully utilised, effectively reducing material waste during the recycling and reprocess- ing process. The shredder equipment is of a unique design and is located at the top of the unit. It features a small-blade-rotor-shaft arrangement with a forced feeding mechanism that ensures efficient shredding. It is designed to handle a wide variety of plastic scraps and waste, such as PET, PP, PS, and vinyl in various sizes, shapes, and forms, including lumps, pipes, bottles, frames, plates, received as post-industrial or post-consumer waste. The granulator is located below the shredder, within the same housing. The rotor shaft and feeding mode can be adjusted based on the characteristics and output of the materials being crushed. The shredder is responsible for breaking down the materials into smaller pieces while the granulator further grinds the pieces into uniformly sized plastic pellets that are easier to store, transport and manage. Genox offers the GCV shredder-granulator combo series machines in two model sizes, the GCV 600 and the GCV 800. The smaller GCV 600 features a hopper opening of 1,200 by 1,090 mm, with a shredding motor power of 18.5 kW. The shredder has a rotor diameter of 220 mm, is designed with 23+4 rotor knives and four shred- ding counter knives and operates at a rotation
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speed of 80 rpm. It has a screen diameter of 40 mm. The granulator has a 15 kW motor which operates a 260 mm diameter rotor fitted with six ro- tor knives. The rotor operates at a rotation speed of 580 rpm. The granulator incorporates one counter knife and has a crushing screen diameter of 12 mm. The GCV 800 model features a shredder with a 380 mm diameter rotor that has a 35+4 rotor knife arrangement and four counter knives. The rotation speed is 60 rpm. The granulator has a 320 mm diameter rotor with six rotor knives. The rotor operates at a rotation speed of 450 rpm, driven by a 30 kW motor. Denmark-based M&J Recycling, designers and manufacturers of stationary and mobile pre-shred- ders and stationary fine shredders for industrial waste, has introduced a new modular pre-shredder with a new electric drive system for energy savings. The new P250 E-Drive unit is a mid-sized model in M&J Recycling’s family of pre-shredders. It joins the P250 hydraulic unit and is designed for the first mechanical stage size reduction of waste recycling products. The unit’s patented modular construction allows the chassis, conveyor, and oil coolers to be adapted to meet a range of requirements. The specific items in the unit are designed to be quickly disassembled for easy access and maintenance, for time and cost savings. The unit’s design eliminates the need to disconnect high-pressure hoses, and the drive mod- ule is easily disconnected via nuts and bolts. The robust frame has been designed to require less power to operate, minimising energy consump- tion without sacrificing output. Energy consumption during operation is 50% lower with the P250 E-drive system installed compared to the similar hydraulic model, and it generates less noise. Both the E-Drive and hydraulic P250 model can process from 38 tonnes/hr up to 110 tonnes/hr of material depend-
Left: Genox says its new GCV shredder- granulator series is a space-saving and energy efficient solution
Below:
Cumberland created a custom-de- signed shredding- demagnetis- ing-granulating and blowing line for US recycler Save That Stuff
May/June 2023 | PLASTICS RECYCLING WORLD 53
IMAGE: CUMBERLAND
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