Plastic Circular Sludge Collector

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

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

(In-house comparison)

Application

Primary sedimentation
Final sedimentation
Gravity sludge thickener

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