Group: Alfa Laval
Catalog excerpts
Application Alfa Laval P2 decanter centrifuges are designed for slurries that are often extremely errosive and aggressive. The P2 range provides the most cost-effective, high-performance solution combined with the lowest power consumption and life cycle costs available. Design Alfa Laval designed the P2 range of decanter centrifuges with a focus on performance, easy access, reliability and low noise levels. The rotating assembly is supported on a compact welded box beam frame with main bearings at both ends. The in-line motor is flanged or foot-mounted on the decanter with brackets for belt tension adjustment. The bowl is driven at the conical end by an electric motor using a V-belt transmission. The bowl, conveyor, casing, inlet tube, outlets and other parts that come into contact with the process media are made of AISI 316 and Duplex stainless steel. High-performance decanter centrifuge for process industries P2 decanter centrifuge range Operating principles Separation takes place in a horizontal cylindrical bowl equipped with a scroll conveyor. The product is fed into the bowl through a stationary inlet tube and is then smoothly accelerated in a full flow feed zone design. Centrifugal force deposits the solids on the inner surface of the bowl. The conveyor rotates in the same direction as the bowl, but at a different speed, thus moving the solids towards the conical end of the bowl. The solids leave the bowl through the solids discharge openings into the casing. Separation takes place throughout the entire length of the cylindrical part of the bowl, and the clarified liquid leaves the bowl by flowing over adjustable plate dams into the casing.
Open the catalog to page 1Gearbox Liquid Screw conveyor Wall of the bowl Inlet distributor Conical end Discharge port Feed tube Feed Solids Direct Drive Direct Drive is a unique system developed by Alfa Laval for automatic control of the differential speed between the bowl and the conveyor. This makes it easy to maintain the best possible balance between liquid clarity and solids dryness, irrespective of variations in the feed. Direct Drive comprises a new configuration of gearbox and variable frequency drive, which drive without braking power loss. The electrical installation is simplyfied, power consumption is...
Open the catalog to page 21 Declared A-weighted emission sound pressure level in free field over a reflecting plane at 1 m. distance from the decanter operating at maximum bowl speed, tested with water and closed outlet. P2-300 P2-400 P2-500 P2-600 P2-800 Bowl Diameter mm 353 (14 inch.) 450 (18 inch.) 480 (19 inch.) 575 (23 inch.) 740 (29 inch.) Bowlspeed max. rpm. 4000 3250 3650 3075 2800 G-force max. 3157 2657 3574 3039 3243 Weight kg. 2200 (4840 lbs) 3800 (8360 lbs) 5000 (11000 lbs) 7000 (15400 lbs) 13000 (28860 lbs) Installed Power kW 15 – 37 18,5 – 45 45 – 110 75 – 160 132 – 250 (20 – 40 hp) (25 – 60 hp) (60 –...
Open the catalog to page 3How to contact Alfa Laval Up-to-date Alfa Laval contact details for all countries are always available on our website at www.alfalaval.com PPI00120EN 0604 Alfa Laval reserves the right to change specifications without prior notification.
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