Liquid purification or separation – Gravitational separator – Superposed compartments or baffles – e.g. – parallel plate type
Patent
1987-05-14
1989-03-28
Wyse, Tom
Liquid purification or separation
Gravitational separator
Superposed compartments or baffles, e.g., parallel plate type
2105322, B01D 2128
Patent
active
048161578
ABSTRACT:
An apparatus and method for clarifying solids from a solids containing liquid having a multilayer baffle system and integral solids removal sump. The apparatus can have a variable speed impeller at its outlet so that an operator of the clarifier can control the flow rate therethrough to optimize efficiency.
The multilayer baffle system includes a first set of baffles placed above the main liquid flow path minimizes horizontal flow thereabove but creates local turbulence so as to promote efficient settling and assure no solids settle on the baffles. A second set of vertical flow interrupting baffles substantially eliminates upward turbulence created the first baffles and are shaped such that solids will not settle thereon. A third layer of baffles interrupts any horizontal flow component remaining in the clarifier so as to define a quiescent zone thereabove. Clarified liquid is removed from the surface of the quiescent zone.
REFERENCES:
patent: 3272343 (1966-09-01), Caldwell
patent: 3615025 (1971-10-01), Rice et al.
patent: 4303516 (1981-12-01), Stensel et al.
patent: 4446018 (1984-05-01), Cerwick
patent: 4455239 (1984-06-01), Morrow et al.
patent: 4514303 (1985-04-01), Moore
patent: 4681683 (1987-07-01), Lindstol
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