Filtration operator

摘要

A filtration operator for filtering raw water, comprising a plurality of filtration units, a raw water reservoir, a conduit for conveying raw water from the raw water reservoir to individual ones of the filtration units, filter medium provided in each of the filtration units for filtering raw water, a respective raw water chamber configured to be in water communication with the raw water reservoir, the filtration units, and a pump chamber, a sludge filtering and recycling chamber for receiving sludge from the filtration units during a backwash cycle, and at least one positively charged bar disposed in each of the raw water chambers, as well as in a sludge receiving chamber associated with the sludge filtering and recycling chamber.

主权项

1. A filtration operator for operating externally of a body of water for filtering raw water, comprising:
a plurality of filtration units (8); a raw water reservoir (100); means for conveying raw water from said raw water reservoir (100) to individual ones of said filtration units (8); filter medium (103) provided in each of said filtration units (8) for filtering raw water; a pump chamber (16) for receiving filtered water from said filtration units (8); a respective raw water chamber (17) associated with each of said filtration units (8), wherein said raw water chambers (17) are configured to be in water communication with said raw water reservoir (100), said filtration units (8), and said pump chamber (16); a sludge filtering and recycling chamber (102) for receiving sludge from said filtration units (8) during a backwash cycle, wherein at least said filtration units (8), said raw water reservoir (100), and said sludge filtering and recycling chamber form a structural unit that is disposed externally of the body of water; and at least one positively charged bar (76) disposed in each of said raw water chambers (17), as well as in said sludge filtering and recycling chamber.