Apparatus for mechanical purification of waste water

Details Apparatus for mechanical purification of waste water Apparatus for mechanical purification of waste water

1985-10-15

1987-01-27

Sever, Frank

Liquid purification or separation

Plural distinct separators

Filters

210426, 210427, B01D 2324, B01D 2938

Patent

active

046393153

ABSTRACT:
Apparatus for mechanical purification of waste water has a stationary hollow shaft which is installed in a vessel for waste water and carries a variable number of hollow drum-shaped frames with pairs of filters adjacent to the openings in their sidewalls. Waste water is drawn into the interior of the frames by a pump which is connected to one end of the shaft whereby the impurities deposit at the outer sides of the filters. Such impurities are removed from time to time by suction heads which are adjacent to the outer sides of the filters and are connected to a single sludge pump by discrete conduits, one for each frame. The inner sides of the respective filters are then sprayed by clean water which promotes segregation of impurities and their entry into the suction heads. Indexible valving elements are provided to connect conduits for admission of clean water into selected frames with a single source of clean water and to connect selected conduits for removal of impurities with the sludge pump.

REFERENCES:
patent: 2932402 (1960-04-01), Logue et al.
patent: 4090965 (1978-05-01), Fuchs

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