Mixing apparatus for maintaining a pressure differential over va

Details Mixing apparatus for maintaining a pressure differential over va Mixing apparatus for maintaining a pressure differential over va

1997-02-06

2000-04-11

Cooley, Charles E.

Agitating

Having specified feed means

Responsive to condition sensor

3661602, 3661741, B01F 1502

Patent

active

060480890

ABSTRACT:
The invention relates to a mixing apparatus for maintaining a pressure differential over varying feed rates by mixing a flow of sludge with a flocculant. The mixing apparatus includes a monitor for monitoring the pressure differential across the apparatus and a device for varying the size of an orifice in the apparatus through the sludge flows. The orifice size is dependent on the monitored pressure differential to maintain a desired differential pressure over a range of sludge feed rates.

REFERENCES:
patent: 3880191 (1975-04-01), Baumann
patent: 3955591 (1976-05-01), Baumann
patent: 4440314 (1984-04-01), Vetter et al.
patent: 5366288 (1994-11-01), Dahllof et al.
patent: 5556200 (1996-09-01), Ekholm et al.

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