To overcome particular problems encountered in storm-water
The FSM storm-water screen was developed to overcome particular problems encountered in stormwater treatment installations.
In 1997, FSM developed an efficient storm-water screen for waste water, in order to retain screenings and sanitary articles and prevent them from entering the receiving water. The first machine was installed in 1998 and has been operating trouble-free since then. The FSM storm-water screen represents the ideal waste water pretreatment solution
The screening surface consists of a half-cylindrical, perforated screening basket. Compared with bar screens, this design results in a substantial increase in the amount of screenings retained. This is a decisive argument when discharging into receiving water.
The screening basket is mounted in the waste water channel parallel to the sill. The cylindrical screening surface results in a substantial increase in the flowed through area compared with other solutions, combined with a compact design.
Waste water flows through the screening surface from bottom to top. The flow direction enables the screen to be emptied within the waste water channel. Screenings do not need to be conveyed by pump etc. from the outflowing channel side back to the waste water channel. Cleaning of the screening surface takes place during the discharging operation so that continual operation is provided. The screening surface is cleared via an extruding screw built into the screening basket. At the end of the screening surface, the screenings are returned to the waste water stream and flow in the direction of the clarification plant. In a special version, the unit can be provided with a submersible drive.
Applications in municipal and industrial clarification plants
Basket diameter up to 1000 mm, larger diameters on request
Length up to 10 m, larger lengths on request
Perforation size 6 - 25 mm, other perforation sizes on request
Machine frame stainless steel 1.4301 or 1.4404, other materials on request
Screening basket stainless steel 1.4301 or 1.4404, other materials on request
Extruding screw coated steel, stainless steel 1.4301 or 1.4404, other materials on request
Brush PP or Nylon
Drives geared motor, make SEW
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