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Hitachi

Water Environment Solutions

Overview

The Hitachi Plastic Circular Sludge Collector is a center-driven, catenary-type sludge collector.
Major parts are made of plastic, allowing improved corrosion resistance and weight saving compared to the conventional metal type.

Configuration

Main parts and materials
Part name Material
Main shaft FRP
Rectification
cylinder
FRP
Arm FRP
Rake FRP+NBR*
Scum box FRP
Scum scraper FRP+NBR*

*NBR: Nitrile Butadiene Rubber

Features

  1. Longer service life
    High corrosion resistance of major parts enables longer service life.
  2. Energy saving
    Drive power can be reduced because of lightweight components.

(In-house comparison)

Application

  • Primary sedimentation
  • Final sedimentation
  • Gravity sludge thickener