Liquid purification or separation – Gravitational separator – Superposed compartments or baffles – e.g. – parallel plate type
Patent
1975-02-06
1976-08-31
Lutter, Frank W.
Liquid purification or separation
Gravitational separator
Superposed compartments or baffles, e.g., parallel plate type
55440, B01D 4300, B01D 4504
Patent
active
039779777
ABSTRACT:
A device for separating heavier particles from fluid including liquids or solids from a gaseous fluid or solids from a liquid fluid includes a housing having an inlet and outlet spaced from one another so as to define a passage therebetween and a plurality of undulated deflecting elements in horizontally spaced vertical relationship within the passage parallel to the flow direction. Each deflecting element includes a plurality of cavities defining individual gullies for separating heavier particles from the fluid located at spaced locations along the lengths thereof. The gullies include at least a first gully which is advantageously arranged at some of the vertices of the undulated deflecting elements and these comprise a rear wall which forms a part of the undulating element and which has an exterior side forming a valley on the side opposite the gully, a downstream wall which extends outwardly of the rear wall and curves in an upstream direction to define an apex on its exterior and a curved wall on its interior, and an upstream wall which extends in a downstream direction outwardly from the rear wall at a location upstream of the downstream wall, the downstream wall overlapping a portion of the upstream wall which is spaced inwardly thereof to define a first gully entrance. Fluid which is deflected over the undulating areas of the separating elements is directed through the entrance of the first gully and it whirls in a whirling flow causing the separation of the small particles which fall downwardly by gravity in the gully without being able to flow out of it. The construction includes a second gully located at another apex preferably downstream of the first gully and which has a larger entrance defined by spaced apart upstream and downstream walls which define a cavity substantially parallel to the flow direction.
REFERENCES:
patent: 1956591 (1934-05-01), Gies
patent: 2643736 (1953-06-01), Smith
patent: 3849095 (1974-11-01), Regehr
L. & C. Steinmuller GmbH
Lutter Frank W.
Prunner Kathleen J.
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