Parker - SSD
Drives offers Total Drive Solutions for Centrifuges...
Vertical Batch and Horizontal Decanter types
- Sugar Refining
- Food additives
- Precious metals Recovery
- Gypsum Manufacturing
- Water Treatment
Vertical basket (batch) centrifuges resemble washing machines in ‘spin
cycle’ operation. A perforated drum spun at high speed separates
solids from the liquid slurry. The drum is decelerated and the
solid substrate is scraped or pushed off the basket.
SSD regenerative AC drives rapidly decelerate the high inertia
basket for removal of the solids, and provide smooth acceleration
for the next cycle.
Syrup is separated from the raw sugar crystals in centrifuges
that contain perforated baskets, which spin at high speeds. The
dark brown syrup surrounding the crystals is “thrown off” and
passes through the perforations. The spun-off syrup is boiled again
and more raw sugar crystals are recovered. Molasses is the black
syrup left over from the final centrifuging.
SUGAR PRODUCTION INCREASE
Energy-recycling SSD drives increase the number of cycles-per-hour throughput. Typically, a
3 cycle-per-hour increase will raise the total sugar yield by 20%.
In water treatment applications, a horizontal centrifuge bowl is driven at a high speed, and an auger conveyor is driven at a
reduced speed in the same direction. One drive can be used if the auger is geared from the bowl drive, or bowl and auger can be separately
driven to optimize speed differential for optimum throughput.
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