A major innovation in screening technology,
Linatex® ‘Banana’ multi slope concept screening
equipment is capable of achieving exceptional throughput per
screening area. The screen includes any number of inclinations from
two to as many as six varying from 45° through to horizontal on the
last slope. The various slopes may incorporate deck media with
different apertures to meet the particular process
requirements.
The screens are commonly designed to
fit modular polyurethane deck panels. However, woven wire or punch
plate may be used. Facilities may be incorporated to assist in the
fitting of dust suppression covers.
More recently the banana screens in
double deck execution have been developed again in an effort to
reduce the number of equivalent horizontal double deck units
installed.
Banana screens vary in size from as
small as 1.8m wide to as much as 5.5m wide with masses of up to 28
tons. The more common sizes are 3.0m wide by 10m long with a mass
of approximately 16 tons.
Click an image to enlarge
Benefits
- Improved sizing efficiency due to thin layer
screening
- Low water consumption when wet
screening
- Low energy requirement
- High specific feed rate and capacity resulting in reduced
screen (unit) size
Screen capacities vary widely depending on the material
characteristics and the separation required. The Process and
Application Engineers at Weir Minerals Linatex utilise not only
their many years of developing local applications but also the
experience of worldwide installations to ensure that they optimise
the best screen requirements available. The following data should
be made accessible to facilitate the sizing procedure:
Type of material to be screened
* Feed rate
* Bulk density of material
* Requirements in terms of cut point and
efficiency
* ph of material or wash water
* Particle size distribution
Applications
A linear motion and large vibration amplitude plus high screen
acceleration make the Banana Screens suitable for many varied
applications, these combined features also reduces the incidence of
blinding and pegging.
Diamond Mining
* Primary and Secondary Sizing
* Feed preparation/desliming, course and
fine
* Drain and Rinse floats
Coal Mining
* Primary and Secondary Sizing
* Drain and rinse
* Feed preparation/ desliming and
pre-wetting
* Stockpile load – out (sizing)
Copper Mining
* Secondary Sizing
* Load out/product screen
Platinum Mining
* Primary and secondary sizing
* Mill cyclone overflow
Others
* Salt crystal processing
* Dolomitic lead zinc ore
