Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-02-24
1976-06-29
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210104, 210221P, B03D 102, B03D 126
Patent
active
039665984
ABSTRACT:
A circular dissolved gas flotation system is provided for increasing the loading rate with increasing size flotation basins. The dissolved gas flotation system includes a submerged annular release chamber located about the periphery of the flotation basin for peripherally introducing particle-carrying liquid and gas bubbles uniformly into the flotation basin. The release chamber defines a continuous slotted opening substantially about the length of the release chamber. The size of both the slotted opening and the cross-sectional area of the release chamber are reduced from the divider baffle to the splitter baffle to uniformly distribute the flow about the periphery of the flotation basin. The release chamber includes a divider baffle to split the input flow in opposite directions tangentially about the length of the release chamber, and a splitter baffle to prevent the two tangential flows from converging.
REFERENCES:
patent: 1357587 (1920-11-01), Peck
patent: 3121680 (1964-02-01), Ciabattari
patent: 3136724 (1964-06-01), Lind et al.
patent: 3179252 (1965-04-01), Vrablik
patent: 3246763 (1966-04-01), Baum
patent: 3395800 (1968-08-01), Kraus et al.
patent: 3642618 (1972-02-01), Silva
Gerstman George H.
Hart Charles N.
Spitzer Robert H.
Tenco Hydro/Aerosciences, Inc.
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