Patent US3710949A successfully refreshed from Google Patents.
US3710949A
Expired / Lapsed
US
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Apparatus for continuously separating a sludge-containing mixture of two liquids
Assignee: Alfa Laval AB
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Filing: 1970-10-08
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Granted: 1973-01-16
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Expires: 1990-10-08
Abstract
Abstract A first chamber for static pre-separation of the mixture and a second chamber for static after-separation are located one above the other and are interconnected by a plurality of straight, substantially vertical flow channels. Each such channel has a pair of opposed walls which are spaced from each other a distance of about 1 to 5 mm. and which are preferentially wettable by the liquid (e.g., oil) dispersed in the other liquid (e.g., water), and the pre-separation chamber is provided at the bottom with a sludge outlet.
Inventors
- 👤 J Murkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:36
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0211; B01D17/04; B01D17/045; B01D21/00; B01D21/003; B01D21/0036; B01D21/0039; B01D21/0051; B01D21/009; B01D21/10; B01D21/24; B01D21/2405; B01D21/2416; B01D21/2427; B01D21/30; B01D21/34
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
162 words
Apparatus for continuously separating a sludge-containing mixture of two liquids, one of said liquids being dispersed in the other and having a different specific gravity than said other, the apparatus comprising means forming a first chamber for static pre-separation of said mixture and also forming a second chamber for static after-separation of part of said mixture, one of said chambers being located above the other, and means forming a plurality of straight, substantially vertical flow channels interconnecting said chambers, each channel having a pair of opposed walls which are spaced from each other a distance of about 1 to 5 mm. and which are preferentially wettable by said dispersed liquid, said first chamber having a sludge outlet at the bottom thereof and an inlet for said mixture, said first chamber also having an outlet for one of said liquids and which is separate from said sludge outlet and said flow channels, said second chamber having separate outlets for said two liquids, respectively.
Claim 2
Dependent Claim
162 words
Apparatus for continuously separating a sludge-containing mixture of two liquids, one of said liquids being dispersed in the other and having a different specific gravity than said other, the apparatus comprising means forming a first chamber for static pre-separation of said mixture and also forming a second chamber for static after-separation of part of said mixture, one of said chambers being located above the other, and means forming a plurality of straight, substantially vertical flow channels interconnecting said chambers, each channel having a pair of opposed walls which are spaced from each other a distance of about 1 to 5 mm. and which are preferentially wettable by said dispersed liquid, said first chamber having a sludge outlet at the bottom thereof and an inlet for said mixture, said first chamber also having an outlet for one of said liquids and which is separate from said sludge outlet and said flow channels, said second chamber having separate outlets for said two liquids, respectively.
Claim 3
Dependent Claim
33 words
Apparatus according to claim 1, comprising also a net defining a sub-chamber into which said channels open at their outlet ends, said net having a mesh width of about 1 to 5 mm.
Claim 4
Dependent Claim
24 words
Apparatus according to claim 1, in which said channel-forming means comprise a plurality of flat plates disposed in parallel spaced relation to each other.
Claim 5
Dependent Claim
27 words
Apparatus according to claim 1, comprising also a net dividing said second chamber into upper and lower sub-chambers, each of said sub-chambErs having a separate liquid outlet.
Claim 6
Dependent Claim
40 words
Apparatus according to claim 1, in which said channel walls are inclined, the maximum inclination of each wall being such that its projection in the vertical direction covers the area of the inlet opening of a channel adjacent said wall.
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |