Without efficient filtering it is not possible to obtain high quality recyclate. This applies to all application cases in plastics recycling. That is why from the very beginning, EREMA has made this quality-decisive aspect a core element of its systems.
Perfectly implemented in innovations and partially patented filtration systems. Features they all share are process consistency and maximum filtration capacity.
Clean performance. Clean melt.
EREMA filtration solutions.
Robustness, high level of automation and highest possible availability. Available in different sizes and always with the right filtration fineness With these EREMA filtration systems it is the details that make the system really effective.
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The way SW RTF? technology works is to clean a small surface area of the filter screen by directing a flow of clean melt from the back of the screen. A high velocity is possible at the screen due to the small surface area of screen to be flushed, resulting in optimum cleaning efficiency.
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The EREMA Laserfilter is a high-performance filtration system. Innovative scraper technology enables the highest possible throughputs while maintaining impressive melt quality. Specialising in high melt rates, when film-grade pellets are needed – and for tasks that cannot be solved with conventional melt filters.
Thanks to the engineered scraper geometry design and discharge system, the filtered contaminants are removed even more quickly and more thoroughly. Maximum cleaning efficiency, the highest possible separation capacity and increased thickening are the direct result. And: the service lifetime of the screen is greatly increased.
The contaminated plastic melt (1) is pressed through two laser-bored screen discs (2) in a parallel configuration. A scraper disc (3) rotates between them. Their purpose is to remove the filtered contaminants from the screen immediately and forward them instantly to the coaxial discharge screw (4). Continuously, thoroughly and as quickly as possible.
Unlike many conventional filters the EREMA Laserfilter has a rotating scraper rather than a rotating screen. This is a considerable advantage in terms of the system being leak-free. The static screen is perfectly sealed and prevents any filtered out contaminants from getting into the high-quality plastic melt. This ensures maximum filtration reliability.
The centrepiece of the Laserfilter is the filter screen, which is where the name comes from. It features ultra-fine boreholes which are laser-cut into the hardened special steel of the screen discs using the very latest laser technology. A self-cleaning effect is achieved through the conical shape of the holes.
Robust, reliable, efficient – the new EREMA SW Direct Flow melt filter has the merits of the EREMA SW filter technology – proven thousands of times – in its genes.
The reduction and optimisation of the filter to the key, core functions which matter in the case of applications with only minor levels of contamination means for you: strong performance with a remarkable cost/benefit ratio
The new EREMA SW Direct Flow melt filter has minor contaminants such as dust under perfect control. It ensures high melt quality and combines productivity with easy operation and flexibility. And, thanks to a longer service life, it helps you to save both labour and material costs.
IMPRESSIONS
LASER FILTER / SW RTF?
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