US3796321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing water
Assignee: Gustavsbergs Fabriker AB
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Filing: 1972-05-15
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Granted: 1974-03-12
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Expires: 1992-05-15
Abstract
Abstract An apparatus for processing water, particularly for treating waste water, consists of two vertical cylindrical containers, one placed inside the other. Water is supplied to the inner container, where coarse particles precipitate on the bottom. The water now flows through the annular gap between the two containers, where a precipitating agent is added and the particles thus produced precipitate on the bottom of the annular gap.
Inventors
- 👤 P Kosonen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:00
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5281; B; B01; B01D; B01D21/00; B01D21/0006; B01D21/003; B01D21/0039; B01D21/0045; B01D21/0066; B01D21/02; B01D21/24; B01D21/2444; B01D21/30; B01D21/307; B01D21/34
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
403 words
Apparatus for processing water, preferably waste water, by means of chemical precipitation and sedimentation, comprising a first container in the form of a vertically extending cylinder arranged for the separation of larger particles, a second container in the form of a vertically extending cylinder laterally enclosing said first container and spaced outwardly from it and forming an annular gap therebetween, said second container being arranged eccentrically relative to said first container so that said annular gap is of varying width, a vertically extending partition wall extending across said annular gap from said first container to said second container, means forming a precipitation zone in said annular gap at the location of its maximum width, a conduit for conducting water being processed from said first container into the precipitation zone in said annular gap, said partition wall located adjacent said precipitation zone, a pipe for flowing the water to be processed into said first container from a source exterior of said first and second containers, means for conveying the water being processed from said first container into said second container and said means includes a dosing means for adding a precipitant into the precipitation zone as the water being processed is directed into the precipitation zone, said means forming a precipitation zone comprises a first vertically extending wall, a second vertically extending Wall spaced horizontally from said first wall, a plurality of vertically extending horizontally spaced plates disposed in approximately parallel relationship with one another and with said first and second walls and located between said first and second walls, said first wall and the adjacent said plate forming an inlet gap therebetween, said second wall and the adjacent said plate forming an outlet gap therebetween, said plates arranged to form a vertically extending tortuously-shaped flow path extending from said inlet gap to said outlet gap, the horizontal spacing between said plates increasing from said inlet gap to said outlet gap, an outlet conduit from said annular gap to a location exterior of said second container, said outlet conduit located adjacent said partition wall on the opposite side of said partition wall from said precipitation zone so that the water being processed flows from said outlet gap of said precipitation zone through said annular gap about said first container to said outlet conduit and due to the presence of the precipitant forms a precipitate which is deposited at the bottom of said annular gap.
Claim 2
Dependent Claim
403 words
Apparatus for processing water, preferably waste water, by means of chemical precipitation and sedimentation, comprising a first container in the form of a vertically extending cylinder arranged for the separation of larger particles, a second container in the form of a vertically extending cylinder laterally enclosing said first container and spaced outwardly from it and forming an annular gap therebetween, said second container being arranged eccentrically relative to said first container so that said annular gap is of varying width, a vertically extending partition wall extending across said annular gap from said first container to said second container, means forming a precipitation zone in said annular gap at the location of its maximum width, a conduit for conducting water being processed from said first container into the precipitation zone in said annular gap, said partition wall located adjacent said precipitation zone, a pipe for flowing the water to be processed into said first container from a source exterior of said first and second containers, means for conveying the water being processed from said first container into said second container and said means includes a dosing means for adding a precipitant into the precipitation zone as the water being processed is directed into the precipitation zone, said means forming a precipitation zone comprises a first vertically extending wall, a second vertically extending Wall spaced horizontally from said first wall, a plurality of vertically extending horizontally spaced plates disposed in approximately parallel relationship with one another and with said first and second walls and located between said first and second walls, said first wall and the adjacent said plate forming an inlet gap therebetween, said second wall and the adjacent said plate forming an outlet gap therebetween, said plates arranged to form a vertically extending tortuously-shaped flow path extending from said inlet gap to said outlet gap, the horizontal spacing between said plates increasing from said inlet gap to said outlet gap, an outlet conduit from said annular gap to a location exterior of said second container, said outlet conduit located adjacent said partition wall on the opposite side of said partition wall from said precipitation zone so that the water being processed flows from said outlet gap of said precipitation zone through said annular gap about said first container to said outlet conduit and due to the presence of the precipitant forms a precipitate which is deposited at the bottom of said annular gap.
Claim 3
Dependent Claim
77 words
Apparatus for processing water, as set forth in claim 1, wherein said dosing means comprises a dosing apparatus, a tiltable dosing scoop with an upwardly projecting ridge, said scoop arranged to receive a specific quantity of water from said first container and to receive a quantity of precipitation liquid from said dosing apparatus based on the quantity of water received from the first container and to direct the water and the precipitation liquid into the precipitation zone.
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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |