Excess overflow orifice tubes

Details Excess overflow orifice tubes Excess overflow orifice tubes

1983-10-26

1985-11-26

Fisher, Richard V.

Liquid purification or separation

With drip, overflow or content draining feature

210519, 210521, 210525, 210921, B01D 2124

Patent

active

045553408

ABSTRACT:
A final clarifier for a sewage treatment plant has a peripheral feed influent channel with lower distribution ports and is also provided with tubes to minimize the headloss in the clarifier. The minimum headloss tubes are set to allow the basin to operate at more than one limiting headloss set point. By increasing the available orifice area at a certain flow rate, a maximum or peak headloss limitation can be achieved without compromising the design (average) headloss.

REFERENCES:
patent: 2961099 (1960-11-01), Lind et al.
patent: 2961100 (1960-11-01), Katz et al.
patent: 3017998 (1962-01-01), Conley
patent: 3136724 (1964-06-01), Lind et al.
patent: 3717257 (1973-02-01), Boyle
patent: 3926805 (1975-12-01), Walker
patent: 4038185 (1977-07-01), Kline
patent: 4059529 (1977-11-01), McGivern

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