The EfloSludgeDry is a packaged and containerised sludge dewatering system complete with all
the necessary polymer preparation and dosing system needed prior to the dewatering process.
The EfloSludgeDry is mostly used for dewatering digested sewage sludge from small to medium size
treatment plants with a typical feed sludge of 1% dry solids. The dewatered sludge will typically
reach 20% dry solids which equates to a water reduction of 20 times. This translates to a huge savings
in transport and disposal cost of the waste sludge.
At 20% dry solids, the sludge is no longer a liquid by a reasonably dry cake that can be bagged or trucked off site to landfill.
The EfloSludgeDry can operate continuously or intermittently and is best used after the treatment plants sludge consolidation tank.
The dewatering process consists of a static circular drum with an internal screw conveyor.
The drum is fabricated in stainless steel using a special wedge-wire screen profile with large
surface to obtain optimum liquid drainage characteristics. The flocculated sludge enters the inlet
chamber into the drum zone where it is conveyed by spiral movement and is gradually compacted.
The liquid continuously drains through the drum wedge-wire screen and gravitates to the filtrate
outlet where it can be discharged or returned for treatment. Spray nozzles together with the
internal cleaning system fixed on the spiral conveyor wash the drum screen section.
Eventually the solids will pass into the discharge section and to the outlet where
they can be collected into a container or conveyed for eventual disposal.