Here is How a Basket Top Unload Filter Centrifuge Filtrates
Basket Top Unload Filter Centrifuge Filtration Cycle
1.Feeding: The slurry is introduced to the rotating basket having a filter cloth. The filter cloth captures the solids. Centrifugal force drives the liquid through the caked solids and the mother liquor is discharged through perforations in the basket circumference.
2.Washing: A wash liquid is introduced and is driven through the caked solids. The plug flow action of the wash liquid purifies the solids and removes residual mother liquor.
3.Spinning: Residual liquors are driven from the caked solids and are discharged through the basket perforations to achieve maximum cake dryness.
4.Scraping: A scraper knife advances into the rotating basket to discharge the solids to downstream equipment.
5.Residual heel removal: After scraping, a 6-10 mm (1⁄4″ – 3⁄8″) layer remains inside the rotating basket. With the scraper in an advanced position, high pressure nitrogen or air is used to dislodge this residual heel. This step can be performed after several centrifuge cycles, or after each cycle.
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