SORTING | TECHNOLOGY
PET, transparent PET and mixed PET. The single- variety fractions obtained reach the bunkers underneath following a final quality control check in the sorting cabin. Later, this is then manually fed onto the press loading conveyor, which then feeds the existing bale press. The first intelligent new generation version
of Redwave 2i was installed at Nemetz in early March. This machine operates with Sensor Fusion technology which combines near-infra- red, RGB and metal sensors for optimum sorting quality. When compared with conven- tional sorting machines, the company says that the Redwave 2i offers space-optimised design, enabling simple and fast integration into a system. All components such as electrical system, entire wiring and the control cabinet are already integrat- ed into the machine. Redwave 2i also offers continuous real-time information on monitoring and optimised sorting process control. Tomra Sorting has introduced a new Laser Object Detection (LOD) system that, when used in combination with its Autosort and Finder technolo- gies, boosts the circuit’s sorting capabilities, allowing waste and scrap recycling operations to reach good final product purity levels. Featuring Tomra laser technology that sorts based on the feed material’s spectral and spatial characteristics, the new LOD detects material that near infrared technology is incapable of identifying, including black plastic and rubber, says the company. LOD gives recycling facilities a low energy,
cost-effective solution for meeting tough customer purity requirements. According to the company, the new Tomra sorting system boosts final product purity by as much as 4% without sacrificing circuit productivity. Its modular design enables the flexible LOD system to be added onto the same platform as existing latest generation Tomra sorting equipment. Alternatively, it can be added to the circuit as its own stand-alone sorting stage. Developed for simple and fast installation and
programming into existing plants, the new LOD is mechanically mounted to a platform. Unlike other systems, this arrangement allows for both large and small feed material to pass under the laser without blockage. “LOD is the perfect complement to existing Tomra equipment within a circuit to give purity levels a boost to meet ever-tightening final product purity requirements such as the China National Sword standard,” says Ralph Uepping, Technical Director of recycling at Tomra Sorting. “Increasing product purity levels expands market potential and increases the profit potential for customers.”
www.plasticsrecyclingworld.com
Tomra Sorting has introduced a new Laser Object
Detection system for efficient upgrading of sorting quality with its Autosort technology
Unlike alternative methods that demand high
energy draw, Tomra’s new LOD system cost-effi- ciently sorts glass as well as plastic material and black plastic from paper, significantly boosting product quality, the company says. Foreground detection technology ensures the laser beam only identifies material above the belt, reducing back- ground noise and giving operations the flexibility to use any type of belt feeder for the circuit. Combined with Tomra’s Autosort near infrared technology – either as an add-on to the existing platform or as an additional line – LOD gives customers an efficient solution for upgrading product quality without air systems that stir up dust particles, lead to paper material loss and increase circuit downtime for cleaning. An open design allows a variety of material from small pieces of paper to large boxes to pass through the laser without fear of clogging or sorter recalibration. The company adds that LOD offers easy and fast
integration into scrap processing facilities relying on Tomra’s Finder system, which features Intelligent Object Detection (IOD) to sort non-ferrous material such as aluminium and stainless steel. LOD separates black rubber, glass and plastic material from Zorba and Zurik metal products, allowing operations to turn these commodities into more valuable revenue streams. The product purity offered by LOD can allow operations to reduce the number of manual pickers required at the end of the process, lowering operational costs. For operations tight on space, the new LOD bolts onto the existing Finder platform to help increase final product quality by 3-4% to meet new 2018 China scrap import regulations. The flexible laser sorter can adapt to circuits with 1,200 mm (42.2 in), 1,800 mm (70.9 in) or 2,400 mm (94 in) widths. Tomra Sorting has also developed the Sharp Eye technology, which makes it possible to separate
September/October 2018 | PLASTICS RECYCLING WORLD 39
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