Bar Screen

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Aquasystems International N.V. SFA enviro

Halle, Belgium

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Envirorak inclined screens, RKS series, are installed in channels. They fulfill both fine and coarse screening functions. They can also be equipped with a fully integrated compactor for screening dewatering (RKS/P series).

The effluent passes through the screen, while the waste is stopped by vertical bars spaced apart according to the desired mesh.

The screen start-up is programmed periodically, and by loss of head, measurement is caused by the accumulation of waste on the bars.

The waste is lifted by means of multiple rakes derived from two lateral chains.

LAYOUTS of Bar Screen

Frame
Inspection cover
Sliding plate
Lateral rake driving chains
Covers
Rake
Solid waste outlet
Motorization

WITH SCREW COMPACTOROf Bar Screen

Frame
Inspection cover
Motorizations
Rake
Lateral rake driving chains
Covers
Screw compactor
Bagging unit
Bar screen

OPTION: BAR SCREEN WITH AN INTEGRATED COMPACTOR

The screening waste is falling down directly into an integrated screw compactor installed transversally where it is compressed and dewatered. Screenings can also be conditioned into a continuous plastic bagging unit before being dumped into a container.

FRAME

The structure of the screen is made up of two lateral frame structures fitting the required channel width. For channel installation, lateral rubber bands seal the gap between the screen and civil work. Envirorak screens are covering configurations up to 2-meter width and up to 10 meters in discharge height.

FILTRATION SCREEN

The screen consists of fixed bars or a Johnson profile whose space between them defines the screening mesh. This model with multiple rakes is particularly adapted for high-loaded effluent and can be used either as a fine or coarse screen (3 to 60 mm bar spacing).

MECHANISM

Rakes are fixed to lateral chains driven by toothed wheels. The precision of the upward movement of the rakes along the bar screen and then along the sliding plate guarantees a perfect scraping and raising of waste up to the point of discharge.

WASTE

The screening waste can thus be unloaded in a container. They can be also transferred to a conveyor or a transversal screw compactor integrated into the unit (Version RKS/P).

MATERIALS Of Bar Screen

Construction in stainless steel 304L or 316L

SPECIFICITIES Of Bar Screen: