WASHING | TECHNOLOGY
being robust and easy to maintain with a high degree of automation. Designed for high capacities and 24-hour continuous operation, 2 t of PP flakes can be produced per hour with a residual moisture of less than 1% and a flake size of 12 mm or less. In the plant, the shredded PP material firstly passes through the bottom outfeed of a big bag into a funnel with a volume of 0.5 m³ in an empty- ing station. The material is then discharged via a screw conveyor onto a conveyor belt. A large buffer hopper of around 2 m³ ensures even feeding of the material to the downstream coarse material separator. This is important where a direct up- stream shredder discharges unevenly. The coarse material separator segregates heavy
foreign materials, such as metals, stones and glass, to protect downstream units including the cutting mill and friction washer. To minimise loss of PP, there is integrated upward flow by means of a pump. The heavy-duty cutting mill undertakes wet chopping of the PP bottles, shredded to 30 mm. As a result of high friction, the mill achieves a good cleaning effect and, due to water addition, shows low wear on the blades, housing and screen. The rotor has replace- able knife supports and the wear plates are ex-
IMAGE: HERBOLD MECKESHEIM
Left: Coarse material separator,
friction washer and wet cutting mill from Herbold Meckesheim
changeable. Combined with the optimal accessibil- ity, this makes the machine completely protected against wear, says the company. During the next step, the friction washer inten-
sively cleans the PP flakes. In the process, it sepa- rates dirty water as well as fine particles and paper fibres and conveys the product further to the separation tank. The rotor of the washer requires little maintenance due to exchangeable wear plates. In the separation tank – using water as the medium for density separation – the flakes are transported as
ONLY STABLE SINGLE MACHINE,
TO HAVE RELIABLE RECYCLING PRODUCTION LINE.
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EnMa CB series feeding belt conveyor EnMa S series two shaft shredder EnMa FSM400 metal separator
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EnMa CB series outputting belt conveyor EnMa C series one shaft crusher EnMa FSM400 metal separator
www.enma.fr info@enma.fr www.enma.fr info@enma.fr
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EnMa CB series outputting belt conveyor EnMa G series granulator Suction & Dust collector
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