Filter Separator is designed to separate solid and
liquid phases of fiber-rich waste materials. The waste should be free of sand,
as well as other foreign objects such as metal, glass, wood, etc. that have the
potential of damaging the internal parts of the separator.
Slurry can be fed into the Centrifilter either by
a pump or gravimetrically through a hopper at the inlet. The helically formed
conveyor inside the separator moves the slurry forward from the inlet section
towards the solids discharge outlet. During this travel of the slurry, the polygonal
screen around the conveyor continuously dewaters the liquid fraction of the
slurry. Meanwhile the dewatered solids translated to the discharge area where
they discharged gravimetrically.
Operational efficiency of the machine (throughput and
dryness of solids) is greatly affected by the slurry consistency. Therefore
performance results may vary depending on what kind of slurry is being
dewatered. Following principles should be kept in mind when optimizing
performance.
· Separation
efficiency is typically increased when a larger screen slot-size is used. This
in turn will result in more solid particles to escape into the separated liquid
phase.
· Smaller screen
slot-size typically results in less solids percentage in the separated liquid
phase. However throughput will be lower with smaller screen slot-sizes.
When feeding and bypass line lengths exceed 10m, pipe
locations should be reassessed. Locating the pipes underground may result in
capacity loss, clogging etc. Bypass and feeding lines should be slopped to
allow the manure flow into the machine. Centrifilter discharge line is 4” in
diameter. The line diameter between liquid discharge and liquid pool must be at
least 4”. Similarly, a slopped fashion of pipe location is recommended to
prevent clogging in discharge lines.
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