US3870635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for clarifying an influent water
Assignee: Improved Machinery Inc
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Filing: 1974-06-24
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Granted: 1975-03-11
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Expires: 1994-06-24
Abstract
Abstract Apparatus for clarifying an influent water (such as sewage and other solid/liquid slurries), by gas stimulated flotation of solid material, wherein the influent water is generally upwardly supplied into a generally vertically elongated clarifying chamber at a location substantially spaced above the lower end thereof, and gaseous bubbles intermixed with carrier liquid are discharged to the clarifying chamber at a second location substantially spaced below said supply of the influent water thereto, the gaseous bubbles being produced immediately adjacent to their said discharge and the discharged gaseous bubbles being permitted to readily rise in the chamber in cloud form to cause upward movement of solid material in the influent water while liquid flows downwardly through the chamber.
Inventors
- 👤 Ian J H Clarke-Pounder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:55
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/1431; B03D1/02; B03D1/028; B03D1/1412; B03D1/1443; B03D1/1456; B03D1/1468; B03D1/24; C; C02; C02F; C02F1/00; C02F1/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
401 words
Apparatus for clarifying an influent water, comprising a vessel containing a generally vertically elongated, totally enclosed, clarifying chamber, influent water supply means operatively associated with said clarifying chamber for supplying influent water into said clarifying chamber, said influent water supply means comprising influent water supply conduit means extending upwardly in said clarifying chamber and diffuser means in said clarifying chamber at a location substantially spaced above the lower end of said clarifying chamber, a second vessel, means operatively associated with said second vessel for supplying gas thereto for intermixture with carrier liquid therein, bubble-producing-and-discharge means for producing gaseous bubbles and discharging such bubbles intermixed with carrier liquid into said clarifying chamber, said bubbleproducing-and-discharge means being operatively associated with said clarifying chamber for producing the gaseous bubbles immediately adjacent the discharge thereof into said clarifying chamber, said bubble-producing-and-discharge means comprising a plurality of discharge nozzles spaced around said clarifying chamber adjacent the periphery thereof and arranged for discharging the gaseous bubbles into said clarifying chamber in a direction at least generally transversely thereof, said discharge nozzles being substantially spaced longitudinally of said clarifying chamber below said diffuser means and also spaced longitudinally of said clarifying chamber above the lower end thereof, said discharge nozzles being more adjacent to the lower end of said clarifying chamber than to the upper end thereof, means communicating said discharge nozzles with said second vessel for supplying gas intermixed with carrier liquid from said second vessel to said discharge nozzles, said communicating means comprising a header extending around said vessel and conduits connecting said discharge nozzles to said header, valve means operatively associated with said conduits for controlling fluid flow therethrough, solid material discharge means operatively associated with said clarifying chamber for discharging solid material from adjacent the upper end thereof, liquid discharge means operatively associated with said clarifying chamber for discharging liquid from adjacent the lower end thereof, and conduit means communicating said clarifying chamber with said second vessel for supplying liquid discharged from said clarifying chamber to said second vessel for intermixture with gas therein, the portion of said clarifying chamber between said diffuser means and said discharge nozzles being free of transversely extending separating media to permit the supplied gaseous bubbles to readily rise in said clarifying chamber and cause upward movement of solid material contained in a supplied influent water while liquid in the influent water passes downwardly to said liquid discharge means.
Claim 2
Dependent Claim
401 words
Apparatus for clarifying an influent water, comprising a vessel containing a generally vertically elongated, totally enclosed, clarifying chamber, influent water supply means operatively associated with said clarifying chamber for supplying influent water into said clarifying chamber, said influent water supply means comprising influent water supply conduit means extending upwardly in said clarifying chamber and diffuser means in said clarifying chamber at a location substantially spaced above the lower end of said clarifying chamber, a second vessel, means operatively associated with said second vessel for supplying gas thereto for intermixture with carrier liquid therein, bubble-producing-and-discharge means for producing gaseous bubbles and discharging such bubbles intermixed with carrier liquid into said clarifying chamber, said bubbleproducing-and-discharge means being operatively associated with said clarifying chamber for producing the gaseous bubbles immediately adjacent the discharge thereof into said clarifying chamber, said bubble-producing-and-discharge means comprising a plurality of discharge nozzles spaced around said clarifying chamber adjacent the periphery thereof and arranged for discharging the gaseous bubbles into said clarifying chamber in a direction at least generally transversely thereof, said discharge nozzles being substantially spaced longitudinally of said clarifying chamber below said diffuser means and also spaced longitudinally of said clarifying chamber above the lower end thereof, said discharge nozzles being more adjacent to the lower end of said clarifying chamber than to the upper end thereof, means communicating said discharge nozzles with said second vessel for supplying gas intermixed with carrier liquid from said second vessel to said discharge nozzles, said communicating means comprising a header extending around said vessel and conduits connecting said discharge nozzles to said header, valve means operatively associated with said conduits for controlling fluid flow therethrough, solid material discharge means operatively associated with said clarifying chamber for discharging solid material from adjacent the upper end thereof, liquid discharge means operatively associated with said clarifying chamber for discharging liquid from adjacent the lower end thereof, and conduit means communicating said clarifying chamber with said second vessel for supplying liquid discharged from said clarifying chamber to said second vessel for intermixture with gas therein, the portion of said clarifying chamber between said diffuser means and said discharge nozzles being free of transversely extending separating media to permit the supplied gaseous bubbles to readily rise in said clarifying chamber and cause upward movement of solid material contained in a supplied influent water while liquid in the influent water passes downwardly to said liquid discharge means.
Claim 3
Dependent Claim
401 words
Apparatus for clarifying an influent water, comprising a vessel containing a generally vertically elongated, totally enclosed, clarifying chamber, influent water supply means operatively associated with said clarifying chamber for supplying influent water into said clarifying chamber, said influent water supply means comprising influent water supply conduit means extending upwardly in said clarifying chamber and diffuser means in said clarifying chamber at a location substantially spaced above the lower end of said clarifying chamber, a second vessel, means operatively associated with said second vessel for supplying gas thereto for intermixture with carrier liquid therein, bubble-producing-and-discharge means for producing gaseous bubbles and discharging such bubbles intermixed with carrier liquid into said clarifying chamber, said bubble-producing-and-discharge means being operatively associated with said clarifying chamber for producing the gaseous bubbles immediately adjacent the discharge thereof into said clarifying chamber, said bubble-producing-and-discharge means comprising a plurality of discharge nozzles spaced around said clarifying chamber adjacent the periphery thereof and arranged for discharging the gaseous bubbles into said clarifying chamber in a direction at least generally transversely thereof, said discharge nozzles being substantially spaced longitudinally of said clarifying chamber below said diffuser means and also spaced longitudinally of said clarifying chamber above the lower end thereof, said discharge nozzles being more adjacent to the lower end of said clarifying chamber than to the upper end thereof, means communicating said discharge nozzles with said second vessel for supplying gas intermixed with carrier liquid from said second vessel to said discharge nozzles, said communicating means comprising a header extending around said vessel and conduits connecting said discharge nozzles to said header, valve means operatively associated with said conduits for controlling fluid flow therethrough, solid material discharge means operatively associated with said clarifying chamber for discharging solid material from adjacent the upper end thereof, liquid discharge means operatively associated with said clarifying chamber for discharging liquid from adjacent the lower end thereof, and conduit means communicating said clarifying chamber with said second vessel for supplying liquid discharged from said clarifying chamber to said second vessel for intermixture with gas therein, the portion of said clarifying chamber between said diffuser means and said discharge nozzles being free of transversely extending separating media to permit the supplied gaseous bubbles to readily rise in said clarifying chamber and cause upward movement of solid material contained in a supplied influent water while liquid in the influent water passes downwardly to said liquid discharge means.
Claim 4
Dependent Claim
401 words
Apparatus for clarifying an influent water, comprising a vessel containing a generally vertically elongated, totally enclosed, clarifying chamber, influent water supply means operatively associated with said clarifying chamber for supplying influent water into said clarifying chamber, said influent water supply means comprising influent water supply conduit means extending upwardly in said clarifying chamber and diffuser means in said clarifying chamber at a location substantially spaced above the lower end of said clarifying chamber, a second vessel, means operatively associated with said second vessel for supplying gas thereto for intermixture with carrier liquid therein, bubble-producing-and-discharge means for producing gaseous bubbles and discharging such bubbles intermixed with carrier liquid into said clarifying chamber, said bubble-producing-and-discharge means being operatively associated with said clarifying chamber for producing the gaseous bubbles immediately adjacent the discharge thereof into said clarifying chamber, said bubble-producing-and-discharge means comprising a plurality of discharge nozzles spaced around said clarifying chamber adjacent the periphery thereof and arranged for discharging the gaseous bubbles into said clarifying chamber in a direction at least generally transversely thereof, said discharge nozzles being substantially spaced longitudinally of said clarifying chamber below said diffuser means and also spaced longitudinally of said clarifying chamber above the lower end thereof, said discharge nozzles being more adjacent to the lower end of said clarifying chamber than to the upper end thereof, means communicating said discharge nozzles with said second vessel for supplying gas intermixed with carrier liquid from said second vessel to said discharge nozzles, said communicating means comprising a header extending around said vessel and conduits connecting said discharge nozzles to said header, valve means operatively associated with said conduits for controlling fluid flow therethrough, solid material discharge means operatively associated with said clarifying chamber for discharging solid material from adjacent the upper end thereof, liquid discharge means operatively associated with said clarifying chamber for discharging liquid from adjacent the lower end thereof, and conduit means communicating said clarifying chamber with said second vessel for supplying liquid discharged from said clarifying chamber to said second vessel for intermixture with gas therein, the portion of said clarifying chamber between said diffuser means and said discharge nozzles being free of transversely extending separating media to permit the supplied gaseous bubbles to readily rise in said clarifying chamber and cause upward movement of solid material contained in a supplied influent water while liquid in the influent water passes downwardly to said liquid discharge means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |