Introduction
PR Ribbon Flight Screw Feeders ensure uniform discharging and feeding of lime in special dosing plants from a silo into a dissolver or micro-feeding device.
Technical Specs

Description

A specialised version of the TU-type screw conveyor, configured in particular for use with hydrated lime, the PR-type Tubular Screw Feeder comes with a ribbon flight screw. For process reasons this screw feeder type is often equipped with a variable speed drive.

Function

PR Ribbon Flight Screw Feeders ensure uniform discharging and feeding of lime in special dosing plants from a silo into a dissolver or micro-feeding device.

Features

  • Outside tube diameters: 70 mm (2.8 in), 82 mm (3.2 in), 114 mm (4.5 in), 168 mm (6.6 in)
  • Tubular casing in standard flanged sections with one section made to measure
  • Standard inspection hatch beneath inlet
  • Ribbon flight screw with splined shaft couplings
  • Direct-mounted WAM gear reduction unit (with or without mechanical variable speed drive) with incorporated, fully protected, maintenance-free end bearing assembly and self-adjusting packing gland seal
  • Standard flange-mounted electric motor
  • No intermediate hanger bearings
  • Feed rates: 70 ~ 4,500 litres per hour (0.04 ~ 2.6 cfm)
  • Installed drive power: 0.37 kW (0.5 HP) ~ 3.0 kW (4.0 HP)

Benefits

  • Uniform material flow
  • High feeding accuracy
  • No flushing

Options

  • Fluidised inlet hopper
  • Fluidisation pads