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SCRAPER BRIDGE Sludge Settling
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Aquasystems International N.V. SFA enviro
Halle, Belgium
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  • Equipment designed for primary and secondary settling tanks in urban or industrial wastewater treatment plants that contain solids and can then be extracted for sludge processing.
  • Scraper bridge made entirely of aluminium and stainless steel for extremely long durability (compared to galvanised steel solutions in particular).
  • Robust and reliable solution.
  • The Scraper bridge is designed to be installed in circular settling tanks.
  • Hundreds of scraper bridges installed over the last 60 years.
COMPONENTS of SCRAPER BRIDGE Sludge Settling
  1. Aluminium walkway and guardrail
  2. Aluminium structural beam
  3. Stainless steel weir blade for clarified water discharge
  4. Stainless steel skimming blade - to capture floating matter
  5. Stainless steel surface scraper to direct scum and other floatable particles to the discharge hopper
  6. Stainless steel hopper for the discharge of scum and other floating materials
  7. Geared motor and drive, allowing the rotation of the whole bridge, located at the end of the construction located within a frame which also serves as a support
  8. Non-driving support wheel ensuring the stability of the bridge when rotating
  9. Ring collector for the power supply of the bridge components
  10. Hinged central pivot
  11. Stainless steel feed-well to distribute the effluent inlet flow
  12. Stainless steel and EPDM tank scrapers – moves the sludge to a central collector where it is discharged by gravity
OPTIONS of SCRAPER BRIDGE Sludge Settling
  • Fixed or motorized cleaning brush
  • High-pressure cleaning using nozzles.
  • Motion detector
  • Stone chaser
  • De-icing system for the track
  • Rotation sensor
  • Safety and/or access ladder with
  • or without gate
  • Electronic torque limiter
  • Flush for outlet
  • All stainless-steel versions available on request
  • French design and manufacture
  • Buoyancy aid available
  • Boat hook
  • Lifejackets are provided at request.


ADVANTAGES of SCRAPER BRIDGE Sludge Settling

  1. High-quality materials: stainless steel for the submerged parts and aluminum for the surface areas
  2. Stainless steel option for surface parts, to increase corrosion resistance
  3. The aluminum structure is much lighter than galvanized steel solutions
  4. Galvanized costing is possible
  5. For clarifiers up to 50 m in diameter for large diameters clarifiers
  6. Please also refer to the “suction bridge” sheet
  7. Excellent after-sales service

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