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The process of Filtration is similar to other types of centrifuges, the difference being in the method of unloading the Solids. The centrifuged solids are scrapped through a scrapper operated either manually, pneumatically or through hydraulic cylinder and the solids are discharged through openings provided in the Basket bottom and Bottom Base / Inertia Plate while the basket is rotating at a slow speed. The centrifuge is driven at 3 speeds i.e. the feed speed, centrifuging feed and scrapping speed (around 60 rpm) The drive motor is controlled by variable AC inverter drive to vary basket speed with built in dynamic braking system. The AC drive is incorporated with microcomputer and has a facility to interface with programmable logic controller(PLC) for complete automation.
The Top Driven Bottom Discharge Centrifuge is single point suspension, where the basket is mounted over the central spindle which is suspended at top in the bearing housing. The cake is discharged at bottom through the pockets provided in the centre of the basket.
odel | Unit | NSI-14 Pilot Plant | NSI-24 | NSI-36 | NSI-48 | NSI-60 |
Basket Diameter | MM | 355 (14") | 610 (24") | 915 (36") | 1220 (48") | 1525 (60") |
Basket Height | MM | 178 (7") | 305 (12") | 457 (18") | 510 ( 20") | 600 (24") |
Working Capacity Under Lip | Its. | 10 | 45 | 165 | 300 | 500 |
Centrifugal Force | G | 510 | 665 | 511 | 436 | 359 |
Motor Power | Hp | 2 | 3 | 7.5 | 15 | 20 |
Basket Speed | rpm. | 1600 | 1400 | 1000 | 800 | 650 |
Overall Dimension of the Machine | ||||||
Length on Motor Side(approx) | MM | 1000 | 1500 | 1900 | 2100 | 2400 |
Width (approx) | MM | 800 | 1050 | 1400 | 1760 | 1750 |
Height (approx) | MM | 900 | 100 | 1200 | 1185 | 2000 |