Fibrous materials, hair, wet wipes, plastics, and other substances in the wastewater lead to considerable malfunctions in the area of sludge treatment, making difficult the normal development of the process. These can be removed by a mechanical sieving, avoiding malfunctions in pumps, clogging of pipes or accumulation of solids in the digestion.
The sludge screen consists of a cylindrical, enclosed tube that is used to separate solids from primary and secondary sludges of up to 1% dry substance content.
The sludge screen consists of a cylindrical, enclosed tube that has a screen with a screw inside it. The system is mainly made up by three functional areas: screening zone, compression/dewatering zone and discharge zone.
Vía an inlet flange, the liquid to be screened is added into the screen under pressure. The machine may thus also be embedded into the pipework.
Substances that are larger than the perforation are held back in the screen, removed with a screw conveyor from its surface and conveyed into the dewatering and compressing area. There, a back pressure cone provides for the necessary back pressure to achieve the required total solid content. The functioning of the cone is regulated by pneumatic cylinders.
The screw conveyor conveys the screenings continuously in the direction of disposal and thus displaces the back pressure cone.
In the disposal area, the dewatered and compressed screenings fall from the machine into a container as part of the existing setup.
Public utility and industrial sewage plants
Paper and cellulose industry
Other industries
Related equipment
Contact us and we will provide our expert advice on finding solutions for the treatment of water.
