Feed conveyor PR

screwtubular

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. 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