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Erema’s Intarema recycling technology relies on the company’s patented counter current technology
a customer care centre near Atlanta, USA, and it has since then developed into a strong pillar for NGR,” added the company.
Ancillary additions NGR’s new Chinese base, Taicang, is also home to German-owned Motan-Colortronic Plastics Machinery, which will be showcasing a cross-section of its ancillary equipment at the show. It has designed its booth to simulate an actual example of plastics processing. It will focus on four major product areas: drying; convey- ing ; dosing and mixing; and control. Product highlights include: Silent Line sound-insulat-
Croda’s Incroflo additives act as lubricants, allowing increased
throughput of WPCs during processing
ed double walled piping that can reduce the noise of conveying raw materials. And the Ultrablend 95 gravi- metric dosing and mixing unit for the medical industry. ProTec Polymer Processing will present a range of ancillary equipment for material treatment and handling, including the OHL tumble reactor – for selectively improving the properties of free-flowing materials – and Somos TF 40 eco auxiliary dryer. The OHL tumble reactor is a solid-state polycondensa- tion (SSP) reactor that can be heated and evacuated. It is available in coordinated modular sizes, from 50-litre sizes for laboratory use all the way to large 44m³ containers for manufacturing plants. The reactor on display at Chinaplas will feature optimised geometry as well as revised drive and control technology. Heated using heat transfer oil, it uses a significantly smaller volume of oil than its predecessor. Overall energy consumption for this process step is reduced by around 20 %, says ProTec. It can be used to purge polyester and polyamides of
volatile pollutants, or post-condense these materials (increase their molecular weight). In addition, the reactor is used in the chemical and pharmaceutical industries for systematically and gently improving the properties of free-flowing solids. The tumbling rotation of the reactor results in perma-
42 PIPE & PROFILE EXTRUSION | March/April 2014
www.pipeandprofile.com
nent, homogeneous mixing while placing a low mechanical strain on the packaged goods. Precise control over temperature, vacuum and time ensures that granulates – whether recyclates or new product – are individually processed to the required quality. The Somos T/TF eco range of dryers consist of a drying air generator and an insulated stainless steel drying hopper. TF versions have an integrated conveyor mechanism for automatically feeding the processing machine. The hopper geometry is optimised to the material flow, resulting in a low variation in retention time for the material to be dried. With hoppers sizes ranging from 30 to 300 litres, graded in five dimensions with adjusted dry air throughputs of 10m³/h to 100m³/h. The range of dryers caters to small material
throughputs of around 3kg/h all the way to 100kg/h. Drying temperatures range from 60 to 140°C at a dew-point temperature of the dry air of -35°C.
Weighty issue Koch-Technik will display a range of technology for conveying, dosing, mixing and drying plastic granules. For exact dosing, it offers the Graviko – a patented unit series for gravimetric dosing and mixing. It delivers the same precisely measured quantity, in a repeatable way. With a slider, or a star feeder, individual compo- nents are dosed into a container with a scale. The original machine is aimed at injection moulders,
but a loss-in-weight version is available for extruders. At the same time, loss-in-weight feeders from
Brabender Technologie can reliably and accurately meter a range of bulk ingredients, including those that have difficult flow. The product line offers solutions for powders, pellets, flakes and chips due to a variety of
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