Vertical Bar Screen

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Aquasystems International N.V. SFA enviro

Halle, Belgium

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Envirostrap vertical screens, STR series, can be installed in channels or in pumping stations. They fulfill both fine and coarse screening functions. They can also be equipped with a fully integrated compactor for screening dewatering (STR/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 a rake going alternatively upward and downward. Driving of the rake is ensured by a strap.

LAYOUTS Of Vertical Bar Screen

Solid waste outlet
Effluent inlet
Motorization
Strap
Inspection cover
Cover
Rake
Bar screen
Fixing flange/ground level
Frame

WITH COMPACTOR

Bagging unit
Effluent inlet
Motorization
Cover
Strap
Inspection covers
Screw compactor
Rake
Bar screen
Fixing flange/ground level
Frame

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 offering two screening widths possibilities of 400 or 600 mm. For channel installation, lateral rubber bands seal the gap between the screen and civil work. For pumping stations, a quick-coupling flange is an integral part of the machine. It is possible to pull out the screen without going down to the bottom of the station

FILTRATION SCREEN

The screen consists of fixed bars whose space between them defines the screening mesh. This simple technology is suitable for low flow rates and can be used either as a fine or coarse screen (6 to 30 mm bar spacing).

MECHANISM

The upward and downward movement of the rake is generated by the winding and unwinding of a strap. An innovative central guide mechanism directs the toothed rake between the bars for perfect penetration into the bars and effective waste lifting.

WASTE

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

MATERIALS of Vertical Bar Screen

Construction in stainless steel 304L or 316L.

SPECIFICITIES Of Vertical Bar Screen