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Andritz Group
» Environment & Process Technologies » Product Guide » Screening » AquaScreen

AquaScreen

Perforated Plate Fine Screen

The Andritz AQUA-SCREEN® is based on the design and construction of the Andritz AQUA-GUARD® which has proved itself a durable and reliable fine screen with over 5000 units sold worldwide since 1980. This unit provides the same functions using perforated panels at the desired mesh, allowing for a three dimensional filtration system. Screens can be quickly installed into any type of channel, including existing ones, and are easy to maintain due to their compact, robust design.



Principle of Operation

The AQUA-SCREEN® is a continuous belt fine screen which can be easily installed in all types of channels. The flow capacity is dependant on the screen width, the perforation size, the open area of the filter panels and the upstream water level in the channel. Each screen can be designed exactly to suit the prevailing hydraulic conditions and can be operated either manually, on a timer basis or fully automatically using differential level controls.
The AQUA -SCREEN® uses interlocking perforated plate panels to remove floating and suspended solids in the effluent flow. The stepped panels are carried on heavy duty travelling chains which are protected from the ingress of debris by Polyester bristle brushes. The captured screenings are elevated out of the flow and automatically ejected down a totally enclosed discharge chute.



Applications

Municipal sewage:

River water intake
Sewage screening at inlet works
Screening works and Imported sludge
Screening before bio-filtration plants

Industrial

(Chemistry - Pulp and Paper Miscellaneous)
Intake water (from river, lake, channel)
Screening before pumping stations
Process water screening

Features

Mechanical Features

Robust frame reinforced
Heavy duty travelling drive chain
Hardened steel guide rails
No submerged bearings
Fully adjustable cleaning brush
Interchangeable brush sections

Operational advantages

Low maintenance requirements
Perforated panels easily removed
Spraybar or Deluged washwater
No "hairpinning" problems
No "fatting up" problems

contact

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