Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – Selective units or compartments
Patent
1988-10-11
1989-08-22
Jones, W. Gary
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
Selective units or compartments
210273, 210274, 210275, 210279, 210290, B01D 2316, B01D 2324
Patent
active
048593303
ABSTRACT:
A liquid filtration system is provided which includes a traveling bridge device mounting air scour and backwash means for successively cleaning each of a plurality of filter cells formed in a filtration tank. The air scour means includes a first hood open to atmosphere and adapted for sealing engagement with each filter cell. The first hood may include an air scour inlet conduit for supplying air under pressure to each cell. The backwash means includes a second hood also adapted for sealing engagement with each filter cell and includes a backwash conduit for creating suction within each filter cell. In one embodiment where the air scour pump is mounted on the traveling bridge carriage, each cell is provided with a vertical riser adapted for sealing engagement with the air scour inlet conduit in the air scour hood. In an alternative arrangement, the air is supplied from a ground installed pump, through a common inlet manifold, to the individual cells. In this embodiment, the air flow is regulated by valves located externally of each cell, and successively actuated by a control arm mounted on the carriage.
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Davis Water & Waste Industries, Inc.
Jones W. Gary
Savage Matthew
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