Bottom Unloading Vertical Basket Centrifuges

FIG. 18-163 Typical bottom unloading vertical basket centrifuge. Krauss Majfei Process Technology.)... 

Vertical basket, bottom discharge batch with cycles accelerate to load speed, load and cake formation, accelerate to wash, wash, accelerate to full speed, spin dry, decelerate to unload speed, unload 3-120 s. Cycle time for free draining 2-6 min slower draining materials cycle time 20-30 min with some > 60 min. area per unit 0.4-4.5 m cake volume 0.018-0.53 m about 67 % of feed volume cake thickness 50-150 mm with smaller thickness in smaller diameter centrifuges. 900-1800 rpm. Basket diameter 1-1.2 m L/D = 0.5. 

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