Four Bearing Screens – Features and Benefits
four-bearing screens feature rugged construction and a positive circular vibrating motion. They are ideal as scalpers for large aggregates or as screens for difficult, sticky materials. This screen can be offered as a direct replacement for Niagara screens.
1 Alloy steel counterweighted eccentric shaft, precision machined to fine tolerances.
2 Grease lubricated, spherical bearings are protected by a combination of labyrinth and vee-ring seals.
3 Screen sub-frame is supported on anti-vibration rubber mounts to minimise the load transmitted to the supporting structure.
4 Precision laser-cut sideplates.
5 Screen trays can be furnished to support any type of screening media.
6 Heavy duty adjustable coil springs support the live frame.
7 Spraybars can be supplied as required.
Dewatering Screens – Features and Benefits
dewatering screens are designed to efficiently remove moisture from sand and coal slurries.
1 Rear wall drain, sloping at 45º, this feature is fitted with slotted dewatering panels. Incoming slurry is fed down this slope thus maximising initial water removal.
2 Main deck of screen slopes upwards at 5º. The incoming slurry forms a ‘cake’ of material which acts as a filter bed to ensure maximum retention of solids.
3 On-board electric motor and guards eliminate the need for cumbersome on-site supports.
4 Pivoting spring pedestals allow for quick angle changes.
5 Optional bed divider can be supplied when it is desired to dewater two products on one deck.
6 Twin shaft oil-lubricated linear action vibrator transmits high G force for maximum dewatering.
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