US3797668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation device
Assignee: Pielkenrood Vinitex BV
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Filing: 1972-09-14
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Granted: 1974-03-19
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Expires: 1992-09-14
Abstract
Abstract A device for removing different components from a liquid, comprising a supply and a discharge chamber between which one or more separators having sloping passages between corrugated plates, thoughs or tubes are provided, which device furthermore comprises additional means for accomplishing a supplementary separation of such components upstream and/or downstream of the separator or separators, which additional means may comprise flotation and/or sedimentation chambers with means for adding flocculation and/or precipitation agents to the liquid to be treated, and/or one or more additional separators arranged in such a manner that the liquid to be treated is flowing either in series or in parallel through these separators.
Inventors
- 👤 Jacob Pielkenrood
- 👤 Willem Leo Bernard Ambrosius
- 👤 Willem Kooistra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:35
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0205; B01D17/0208; B01D17/0211; B01D17/04; B01D17/047; B01D21/00; B01D21/003; B01D21/0039; B01D21/0045; B01D21/0051; B01D21/01; B01D21/02; B01D21/24; B01D21/2427; B01D21/2433
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
333 words
A device for separating components from a mixture including a liquid comprising a separation basin including a first chamber having an upper portion and a lower portion; and a second chamber; means for introducing the mixture to be separated into one of said upper and lower portions of said first chamber; a separation assembly positioned in said basin between said first and second chambers and including an intake end communicating with said first chamber, an outflow end communicating with said second chamber, and a plurality of vertically spaced corrugated means having superposed tops and valleys and defining a plurality of substantially parallel separating passages extending at an incline between said intake end and said outflow end, said mixture entering said intake end and flowing through said separating passages toward said second chamber; two sets of alternating guiding duct means connected to the lower one of the intake and outflow ends of said separation assembly with the ducts of the first set interconnecting said valley portions of vertically adjacent corrugated means in communication and the ducts of the second set interconnecting said top portions of vertically adjacent corrugated means in communication, said first set of duct means directing components separated from said mixture in said separation assembly and flowing from the lower end thereof downwardly towards a first sedimentation chamber positioned below the one of said first and second chambers corresponding to the lower end of said separation assembly and said second set of duct means being in direct liquid communication with the one of said first and second chambers corresponding to the lower end of said separation assembly; discharge means in said second chamber for removing liQuid flowing from said separation assembly; and means positioned in said first chamber between said upper and lower portions defining a flow area through which said mixture flows from one portion to the other, said flow area converging in the direction of said flow towards a throat and then gradually diverging in the direction of said flow.
Claim 2
Independent Claim
333 words
A device for separating components from a mixture including a liquid comprising a separation basin including a first chamber having an upper portion and a lower portion; and a second chamber; means for introducing the mixture to be separated into one of said upper and lower portions of said first chamber; a separation assembly positioned in said basin between said first and second chambers and including an intake end communicating with said first chamber, an outflow end communicating with said second chamber, and a plurality of vertically spaced corrugated means having superposed tops and valleys and defining a plurality of substantially parallel separating passages extending at an incline between said intake end and said outflow end, said mixture entering said intake end and flowing through said separating passages toward said second chamber; two sets of alternating guiding duct means connected to the lower one of the intake and outflow ends of said separation assembly with the ducts of the first set interconnecting said valley portions of vertically adjacent corrugated means in communication and the ducts of the second set interconnecting said top portions of vertically adjacent corrugated means in communication, said first set of duct means directing components separated from said mixture in said separation assembly and flowing from the lower end thereof downwardly towards a first sedimentation chamber positioned below the one of said first and second chambers corresponding to the lower end of said separation assembly and said second set of duct means being in direct liquid communication with the one of said first and second chambers corresponding to the lower end of said separation assembly; discharge means in said second chamber for removing liQuid flowing from said separation assembly; and means positioned in said first chamber between said upper and lower portions defining a flow area through which said mixture flows from one portion to the other, said flow area converging in the direction of said flow towards a throat and then gradually diverging in the direction of said flow.
Claim 3
Dependent Claim
155 words
The device according to claim 1 wherein the separating passages of said separation assembly slope downwardly from said first chamber towards said second chamber with the upper end of said separation assembly being in communication with the upper portion of said first chamber; said first sedimentation chamber is in communication with said second chamber; and wherein said device further includes means for introducing said mixture into said lower portion of said first chamber; means for introducing a flocculating agent into said lower portion of said first chamber; and a partition located upstream of the intake end of said separation assembly having a plurality of slots which are substantially aligned with said valley portions of said separating passages and which have a width smaller than the components flocculated from said mixture in said first chamber, said partition having a slope promoting the upward movement of said flocculated components toward said upper portion of said first chamber.
Claim 4
Dependent Claim
88 words
The device according to claim 1 wherein the separating passages of said separation assembly slope upwardly from said first chamber towards said second chamber with the lower end of said separation assembly being in communication with said lower portion of said first chamber; said first sedimentation chamber is in communication with said first chamber; and wherein said device further includes means for introducing said mixture into said upper portion of said first chamber; and means for introducing a precipitating agent into said upper portion of said first chamber.
Claim 5
Independent Claim
355 words
A device for separating components from a mixture including components suspended in a liquid comprising a basin having a supply chamber for said mixture, a discharge chamber, and at least one intermediate connecting chamber positioned between said supply chamber and said discharge chamber and having an upper portion; a first separation assembly positioned in said basin between said supply chamber and said intermediate chamber and including an intake end communicating with said supply chamber, an outflow end communicating with said intermediate chamber, and a plurality of vertically spaced corrugated means having superposed top and valley portions defining a plurality of substantially parallel separating passages extending at an incline between said intake and outflow ends; a second separation assembly positioned in said basin between said intermediate chamber and said discharge chamber and including an intake end communicating with said intermediate chamber, an outflow end communicating with said discharge chamber, and a plurality of vertically spaced corrugated means having superposed top and valley portions defining a plurality of substantially parallel separating passages extending at an incline between said intake and outflow ends, the outflow end of said first separation assembly and the intake end of said second separation assembly being spaced apart by said intermediate chamber so that said mixture sequentially flows through the separating passages of said first separation assembly, into said intermediate chamber, and then through the separating passages of said second separation assembly; means in said intermediate chamber for removing components therefrom which have been separated from said mixture in said first and second separation assemblies and flow from the outflow and intake ends thereof, respectfully; and guiding means in said intermediate chamber for directing liquid containing unseparated components exiting from the outflow end of said first separation assembly at either sAid top or valley portions towards corresponding top or valley portions at the intake end of said second separation assembly and for separately directing components separated from said mixture and exiting from said first and second separation assemblies at the other of said top or valley portions towards said removing means to thereby prevent direct remixing of said liquid and said separated components.
Claim 6
Independent Claim
355 words
A device for separating components from a mixture including components suspended in a liquid comprising a basin having a supply chamber for said mixture, a discharge chamber, and at least one intermediate connecting chamber positioned between said supply chamber and said discharge chamber and having an upper portion; a first separation assembly positioned in said basin between said supply chamber and said intermediate chamber and including an intake end communicating with said supply chamber, an outflow end communicating with said intermediate chamber, and a plurality of vertically spaced corrugated means having superposed top and valley portions defining a plurality of substantially parallel separating passages extending at an incline between said intake and outflow ends; a second separation assembly positioned in said basin between said intermediate chamber and said discharge chamber and including an intake end communicating with said intermediate chamber, an outflow end communicating with said discharge chamber, and a plurality of vertically spaced corrugated means having superposed top and valley portions defining a plurality of substantially parallel separating passages extending at an incline between said intake and outflow ends, the outflow end of said first separation assembly and the intake end of said second separation assembly being spaced apart by said intermediate chamber so that said mixture sequentially flows through the separating passages of said first separation assembly, into said intermediate chamber, and then through the separating passages of said second separation assembly; means in said intermediate chamber for removing components therefrom which have been separated from said mixture in said first and second separation assemblies and flow from the outflow and intake ends thereof, respectfully; and guiding means in said intermediate chamber for directing liquid containing unseparated components exiting from the outflow end of said first separation assembly at either sAid top or valley portions towards corresponding top or valley portions at the intake end of said second separation assembly and for separately directing components separated from said mixture and exiting from said first and second separation assemblies at the other of said top or valley portions towards said removing means to thereby prevent direct remixing of said liquid and said separated components.
Claim 7
Dependent Claim
27 words
The device according to claim 4 wherein said intermediate chamber includes means for introducing thereinto an agent capable of promoting further separation of components from said mixture.
Claim 8
Dependent Claim
111 words
The device according to claim 4 wherein said mixture includes flotating components and wherein said device further includes a partition positioned in said intermediate chamber between the outflow end of said first separation assembly and the intake end of said second separation assembly, having an upward slope in the flow direction of said liquid between said first and second separation assemblies so as to guide flotating components separating from said mixture towards the upper portion of said intermediate chamber, and having a plurality of vertical slots which are aligned with the superposed valley portions of the first and second separation assemblies and which have a width smaller than said flotating components.
Claim 9
Dependent Claim
47 words
A device according to claim 4 including a vertical baffle positioned in said intermediate chamber between said first and second separation assemblies over which the liquid exiting the outflow end of said first separation assembly must flow before entering the intake end of said second separation assembly.
Claim 10
Dependent Claim
91 words
The device according to claim 4 including a plurality of vertical guiding partitions positioned in said intermediate chamber and extending between said first and second separation assemblies so as to define two sets of alternating guiding ducts, one set of said ducts interconnecting the respective superposed valley portions of said first and second separation assemblies in communication and the other set of said ducts interconnecting the respective superposed top portions of said first and second separation assemblies in communication and being in communication with said upper portion of said intermediate chamber.
Claim 11
Dependent Claim
73 words
A device according to claim 4 including a transverse baffle dividing said intermediate chamber into first and second compartments, one compartment being in communication with the outflow end of said first separation assembly and the other being in communication with the intake end of said second separation assembly; and by-pass means interconnecting said first and second compartments through which said mixture is flowed from said first separation assembly to said second separation assembly.
Claim 12
Dependent Claim
419 words
The device according to claim 4 including the separating passages of said first separation assembly being inclined upwardly from said supply chamber toward said intermediate chamber; the separation passages of said second separation assembly being inclined upwardly from said intermediate chamber towards said discharge chamber with the intake end of said second separation assembly being at an elevation below the outflow end of said first separation assembly; two sets of first alternating guiding duct means connected to the intake end of said first separation assembly, one set of said first duct means interconnecting the superposed valley portions of said first separation assembly in communication and directing components separated from said mixture flowing therefrom downwardly into a first sedimentation collection chamber and the other set of said first duct means communicating with said supply chamber and interconnecting the superposed top portions of said first separation assembly in communication; two sets of second alternating guiding duct means connected to the outflow end of said first separation assembly, one set of said second duct means interconnecting the superposed valley portions of said separation aSsembly in communication and directing components separated from said mixture flowing therefrom downwardly into a second sedimentation collection chamber and the other set of second duct means interconnecting the superposed top portions of said first separation assembly and directing the unseparated portion of said mixture flowing therefrom towards the upper portion of said intermediate chamber; two sets of third alternating guiding duct means connected to the intake end of said second separation assembly, one set of said third duct means interconnecting the superposed valley portions of said second separations assembly in communication and directing components separated from said mixture flowing therefrom downwardly into a third sedimentation collection chamber and the other set of said third duct means interconnecting the superposed tops of said second separation assembly in communication, having an upper portion communicating with the upper portion of said intermediate chamber, and having a lower portion communicating with a fourth sedimentation collection chamber; and two sets of fourth alternating guiding duct means connected to the outflow end of said second separation assembly, one set of said fourth duct means interconnecting the superposed valley portions of said separation assembly in communication and directing components separated from said mixture flowing therefrom downwardly into a fifth sedimentation collection chamber and the other set of said fourth duct means interconnecting the top portions of said second separation assembly and directing the unseparated portion of said mixture flowing therefrom upwardly into said discharge chamber.
Claim 13
Dependent Claim
53 words
The device according to claim 10 including a substantially vertical overflow baffle positioned in said intermediate chamber adjacent to said second cut means over which the unseparated portion of said mixture flowing from the outflow end of said first separation assembly must flow before entering the intake end of said second separation assembly.
Claim 14
Dependent Claim
23 words
The device according to claim 10 including separate means connected to each of said sedimentation collection chamber for withdrawing the sediment collected therein.
Claim 15
Independent Claim
246 words
A device for separating components from a mixture including components suspended in a liquid comprising a basin having a supply chamber for said mixture, a discharge chamber, and first and second intermediate chambers; said first intermediate chamber being positioned between said supply chamber and said discharge chamber, having a lower portion communicating with a first sedimentation collecting means, and having an upper portion communicating with a flotation collecting means; said second intermediate chamber being positioned between said first intermediate chamber and said discharge chamber, having a lower portion communicating with a second sedimentation collecting means, and having an upper portion communicating with said discharge means; first and second separation assemblies in said basin including an intake end, an outflow end, and a plurality of vertically spaced corrugated means defining a plurality of substantially parallel separating passages extending from said intake end to said outflow end; said first separation assembly being positioned between said supply chamber and said first intermediate chamber with the separating passages thereof inclining downwardly toward said first intermediate chamber; said second separation assembly being positioned between said first and second intermediate chambers with the separating passages thereof inclining downwardly toward second intermediate chamber and with the intake thereof being positioned at an elevation above the outflow end of said first separation assembly; and guiding means positioned in said first intermediate chamber for guiding flow from the outflow end of said first separation assembly upwardly toward the intake end of said second separation assembly.
Claim 16
Independent Claim
246 words
A device for separating components from a mixture including components suspended in a liquid comprising a basin having a supply chamber for said mixture, a discharge chamber, and first and second intermediate chambers; said first intermediate chamber being positioned between said supply chamber and said discharge chamber, having a lower portion communicating with a first sedimentation collecting means, and having an upper portion communicating with a flotation collecting means; said second intermediate chamber being positioned between said first intermediate chamber and said discharge chamber, having a lower portion communicating with a second sedimentation collecting means, and having an upper portion communicating with said discharge means; first and second separation assemblies in said basin including an intake end, an outflow end, and a plurality of vertically spaced corrugated means defining a plurality of substantially parallel separating passages extending from said intake end to said outflow end; said first separation assembly being positioned between said supply chamber and said first intermediate chamber with the separating passages thereof inclining downwardly toward said first intermediate chamber; said second separation assembly being positioned between said first and second intermediate chambers with the separating passages thereof inclining downwardly toward second intermediate chamber and with the intake thereof being positioned at an elevation above the outflow end of said first separation assembly; and guiding means positioned in said first intermediate chamber for guiding flow from the outflow end of said first separation assembly upwardly toward the intake end of said second separation assembly.
Claim 17
Dependent Claim
113 words
The device according to claim 13 wherein said first and second separation assemblies are symmetrically arranged in said basin; said guide means includes at least one first duct directing flow upwardly from the outflow end of said first separation assembly toward the intake end of said second separation assembly and having a longitudinal axis substantially parallel to the longitudinal axes of the separating passages of said second separation assembly; said discharge chamber is positioned above said first duct; and said second intermediate chamber includes at least one second duct directing flow upwardly from said second separation assembly into said discharge chamber in a flow direction intersecting the longitudinal axis of said first duct.
Claim 18
Dependent Claim
69 words
The device according to claim 13 wherein said first and second separation assemblies are symmetrically arranged in said basin; and said first intermediate chamber includes at least one duct directing flow upwardly from the outflow end of said first separation assembly towards the intake end of said second separation assembly and having a longitudinal axis substantially parallel to the longitudinal axes of the separation of said first separation assembly.
Claim 19
Dependent Claim
30 words
The device according to claim 15 including guide plate means in said first intermediate chamber for directing flow from said duct towards the intake end of said first separation assembly.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |