The EscaMax® complements the well-known HUBER program for municipal and industrial wastewater screening, as it is particularly well suited in situations where excellent separation efficiency is required in deep channels with high water levels.
Perforated screening elements provide superior separation efficiency in comparison with slit screening elements. It has been determined that two-dimensional perforations are better than one-dimensional slits. Formation of screenings rolls is prevented by rake bars extending over the full width of the screen in combination with the screen‘s installation angle. Even cans and bottles are lifted by these rakes.
The HUBER Belt Screen EscaMax® operates with a filter belt, where each element is connected to a drive chain. These chains are powered by chain wheels, which in turn are driven by sprockets on a common shaft connected to a flange-mounted gear motor. As the filter belt moves, it passes over an upper turning point. At this stage, the screening elements are cleaned by an internal spray nozzle bar, which operates in the opposite direction of the screening flow to effectively dislodge and remove collected debris. This self-cleaning mechanism ensures continuous, efficient operation with minimal maintenance.
The HUBER Belt Screen EscaMax® is equipped with a separately driven roller brush that further enhances the cleaning process. The roller brush operates against the travel direction of the filter belt, significantly improving the efficiency of the cleaning action.
One of the main advantages of this cleaning method is that the spray nozzle bar removes a majority of the screenings, including abrasive materials, in the initial stage of cleaning. This reduces the wear on both the screening elements and the roller brush, extending the service life of the system.
The sturdy construction of the HUBER Belt Screen EscaMax® allows it to handle even high amounts of gravel and grit reliably. The two-dimensional perforated screening elements effectively capture long fibers, preventing them from passing through the screen and ensuring maximum separation efficiency. This combination of features makes the EscaMax® an ideal choice for challenging wastewater treatment applications where both durability and high performance are required.
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