Liquid purification or separation – Plural distinct separators – Filters
Patent
1987-11-19
1989-08-22
Hruskoci, Peter
Liquid purification or separation
Plural distinct separators
Filters
210340, 210346, 210486, B01D 2938
Patent
active
048593320
ABSTRACT:
A filter leaf cleaning system for use in a suction-type filter apparatus having a tank to receive polluted liquids to be filtered or clarified includes a cleaning system header connected to a filtrate discharge conduit for diverting a portion of filtrate flow into the cleaning system, valve means connected to the cleaning system header for controlling filtrate flow into the cleaning system, a dispersing conduit connected to the cleaning system header adjacent a particulate-filtering surface of each filter leaf and having an opening for directing the filtrate flow across the particulate-filtering surface to flush particulates from the surface toward a solids collecting section of the tank housing the filter leaf. In addition, or in the alternative, the cleaning system may employ a membrane wiping member for sweeping movement across the particulate-filtering surface to brush residue or particulates from the surface. The wiping member is supported for oscillating movement along a path generally parallel to the membrane surface.
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Hruskoci Peter
Millard Wanda L.
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