CPC B01D 24/4631 (2013.01) [B01D 24/001 (2013.01); B01D 24/24 (2013.01); B01D 2101/04 (2013.01); B01D 2201/087 (2013.01)] | 10 Claims |
1. A media retention plate for an underdrain filter block, comprising:
a top surface, and a bottom surface opposite the top surface;
a pair of opposing sidewalls, and a pair of opposing end walls, the pair of opposing sidewalls and the pair of opposing end walls together connecting the top surface and the bottom surface;
a plurality of plate sections formed on the top surface, wherein each plate section further comprises a central protrusion, the central protrusion flanked on either side by a pair of opposing downward sloping surfaces; and
wherein an air slot is formed along a first intersection, the first intersection formed by intersecting a lower edge of the central protrusion and a first end of a downward sloping surface, and
a plurality of legs, wherein each leg is attached to the bottom surface of the media retention plate and is configured for affixation to a top surface of the underdrain filter block.
|