Pieralisi, Italy, is one of the world-renowned manufacturers of Continuous Centrifugal Decanters and Separators, widely used in the process industry for a variety of applications in Solid Liquid Separation.
Pieralisi is a 100-year old world reputed company in the field of centrifugation technology and has one of the latest manufacturing facilities in the world. Over 40,000 Pieralisi centrifuge installations are in operation world wide in a wide variety of industrial applications. Pieralisi machines are capable of effectively and optimally carrying out any De-watering, Clarifying and Separation requirements. Pieralisi machines are known for their reliability, emanating from a highly automated manufacturing process and quality norms followed during production. With such vast number and range of installations Pieralisi can offer the full spectrum of centrifugation solutions for most of the separation needs.
Pieralisi decanters have several unique features, some patented, leading to superior operational performance. |
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Separator |
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| Application : |
- Mechanical industries: Cleaning of lubricants and washing liquids
- Chemical industries: Pigments, additives, dressing processes, degumming
- Pharmaceutical industries: Clarification of fermentations broth, treatment of plants
- Food industry: Fruit juices, wine, milk, fats and oils
- Environmental: Slop oil and organic solvent recovery, separation of heavy metals and heavy metal compounds |
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Working Principle :
The feed is introduced to the rotating centrifuge bowl from the top via a stationary inlet pipe and is accelerated in a distributor before entering the disc stack it is between the discs that the separation of the two liquid phases and the solids takes place. The heavier liquid phase moves towards the center of the bowl and is discharged by a paring disc. The lighter liquid phase phase leaves the bowl over the top disc and through a paring disc.
The heavier solids phase is collected at the bowl periphery, from where it is discharged intermittently. The solids discharge is achieved by a hydraulic system below the separation space in the bowl, which at preset intervals forces the sliding bowl bottom to dropdown, thus opening the solids ports at the bowl periphery. The bowl is mounted on a vertical spindle driven by a vertically mounted motor, via a belt drive.
To see the cross section please click here 'Image'
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