Screw Conveyor

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Enclosed, hygienic transport of sludge, screenings, and wet bulk materials
The Screw Conveyor provides a fully enclosed, hygienic solution for transporting sludge, screenings, grit, and other wet or semi-solid materials within treatment facilities. A rotating helical screw inside a sealed trough or tube moves material from the inlet to the discharge point without spillage, odor release, or external contamination. Available in horizontal, inclined, and vertical configurations to suit any plant layout.

How It Works

A motorized helical screw rotates within a sealed trough. Material fed at the inlet is pushed forward by the screw flights, traveling from intake to discharge point. The enclosed design prevents odor emission, contains splashing, and keeps the surrounding area clean — critical in treatment facilities.


Technical Specifications
  • Screw diameter: 150mm – 600mm
  • Length: Up to 12m per section (multiple sections possible)
  • Inclination: 0° – 45° (standard); vertical lifts also available
  • Material: SS 304 / SS 316 screw and trough, or MS with coating
  • Drive: Motorized gearbox with variable speed option
  • Capacity: 1 – 100 m³/hr depending on size and material
  • Trough: U-trough or enclosed tube type
Key Benefits
  • Fully enclosed — no odor or spillage in plant environment
  • Handles wet, sticky materials without clogging
  • Can be inclined to elevate material — saves floor space
  • Simple design with few moving parts — very low maintenance
  • Corrosion-resistant options for aggressive wastewater contact

Applications
  • Screenings transport from bar screens to skip or compactor
  • Sludge conveyance in dewatering areas
  • Grit handling from grit chambers
  • Biosolids and cake transport after filter press

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