Suction Pipe Clarifier
The RockWater suction pipe secondary clarifiers are designed to provide quick and uniform removal of return activated sludge (RAS) which utilize collection pipes located at multiple points along each arm. Suction generated by a differential head developed from the partially submerged return sludge well located at the center of the clarifier. Each collection pipe is equipped with a return flow PVC valve that controls the rate of sludge return and provides a visual indicator of the RAS. Every pipe discharges into the rotating center return sludge well, then by gravity exits through a vertical steel pipe located inside the center pier. The size and quality of pipes are selected according to the RAS flow rates.
Suction Pipe Secondary Clarifiers with the RockWater Benefits
RockWater designed suction pipes feature vertical draft tubes and rotating sludge collection troughs to simplify operation. The unique design of the vertical RAS pipes are less prone to clogging, easy to clean, provide better visibility of RAS flow, and improve surface scum collection via the rotating RAS trough, resulting in no scum pits required, no scum pumps, etc.
- Uniform sludge removal over the entire clarifier
- Minimizes "short circuting"
- Visual indication of RAS line and flow
- Easy to change out sludge seals
- Low maintenance
- New or Retrofits
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