Liquid purification or separation – Recirculation – Serially connected distinct treating or storage units
Patent
1992-08-27
1993-11-30
Upton, Christopher
Liquid purification or separation
Recirculation
Serially connected distinct treating or storage units
2102571, 210305, 210519, 210521, 210538, C02F 140
Patent
active
052661911
ABSTRACT:
An apparatus and method for removing articles of a first liquid from a second liquid using law, the first liquid, such as oil, having a greater buoyancy than the second, such as water, with both liquids being immiscibly combined into a flowing fluid mixture. Surges in the mixture's flow are dampened, and the mixture is constrained to have a limited horizontal flow velocity through the tank of the apparatus. A separator chamber with a plurality of parallel subchannels formed by spaced vertical plates has a geometry that reduces and controls the Reynolds number of the subchannels and controls the velocity through the subchannels, causing the flow therethrough to be substantially non-turbulent. A first gate inhibits the flow of sediment into the separator chamber. The flow path length through the separator chamber is such that the particles will have sufficient time to rise above a downstream exit, near the bottom of the separator chamber, and into a holding chamber. A transverse velocity gradient formed within the subchannels cause the particles to spin and follow a curved path toward the lower longitudinal velocity regions adjacent the walls of the subchannels where the particles agglomerate and rise to the surface. A vertical rising unit is optionally provided to remove very tiny particles that have insufficient buoyancy to rise above the separator chamber's exit, and various filters may remove other impurities.
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Upton Christopher
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