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EnviroBar

Vertical bar screen

Envirobar vertical screens, BRS series, can be installed in channels or in pumping stations. They fulfill both fine or coarse screening function. They can also be equipped with a fully integrated compactor for screenings dewatering (BRS/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 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.
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Layouts
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Solid waste outlet

2

Effluent inlet

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Motorisation

4

Strap

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Rake

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Bar screen

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Inspection cover

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Fixing flange/ground level

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Frame

With compactor
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Inspection cover

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Fixing flange / ground level

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Motorisation

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Strap

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Bar screen

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Cover

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Screw compactor

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Bagging unit

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Rake

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Frame

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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 conditionned into a continuous plastic bagging unit before beeing dumped into a container.

Specificities
  • Installation : Pumping station / Channel
  • Vertical screening
  • Bar spacing from 6 to 60 mm
  • Discharge height up to 10 m
  • Screenings discharge downstream
  • Rake driving by strap
  • Simple design, reliable and sturdy
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 are sealing the gap between screen and civilwork. Envirobar vertical screens are covering configurations up to 1,75 meter width and up to 10 meters discharge height.

Filtration screen
The screen consists of fixed bars whose space between them defines the screening mesh. This simple technology is suitable for low and high flow rates, and can be used either as a fine or coarse screen (6 to 30 mm bar spacing).
Mecanism
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 an 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 to the unit (Version BRS/P).
Performances
Hydraulic flow rates with urban effluent (m3/h)
MESH (MM)BRS 500BRS 750BRS 1000BRS 1250BRS 1500BRS 1750
FROM 6 TO 60 MMFLOW RATES ARE DEPENDING OF CHANNEL WIDTH, MESH AND HYDRAULIC PROFILE (FLOW VELOCITY)
UP TO 20 000 M3/H
Material

Construction in stainless steel 304L or 316L.

Dimensions
Overall dimensions in mm
MODELSDISCHARGE HEIGHT MAXITOTAL HEIGHT MAXICHANNEL WIDTH MINISCREEN WIDTHRKS WIDTHMR WIDTHCHANNEL HOLD LENGTH MAXI
WITH COMPACTOR
BRS 50010000111505003704902500555800
BRS 75010000111507506207402750430800
BRS 1000100001115010008609803000310800
BRS 125010000111501250111012303250185800
BRS 15001000011150150013601480350060800
BRS 175010000111501750161017303750/800

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