Transcription of Backflushing - Porex® Filtration
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Backflushing - Porex® Filtration
POREX Radial Cartridge Filter FILTRATIONB ackflushing DescriptionBackflushing, simply defined, is a process used to clean filters by reversing the flow of fluid through the system. Effective, economicalbackflushing can be difficult to achieve since no two Filtration operationsare alike and the amount and type of contaminant pressures, pumps,housing, etc. all vary. System design and backflush principles arepredominantly the same, but operational parameters must be tailored tothe application by field trials (at a pilot plant, side stream or full operation). Backflushing is a potentially powerful sales tool in virtually all filtrationmarkets. Unfortunately, most Filtration systems are not set up forbackflushing.
• High solids liquid filtration ... Measure clean pressure drop 14. Continue filtration 15. Repeat (until clean pressure drop reaches a predetermined point) * Backflush Rate = Air Flow Rate + Expansion (due to pressure change) OUT AIR VENT IN 1 3 3 2 4 5 DRAIN BACKFLUSHING Standard Non-Backflush System Backflush System.
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