US2612433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modification of annular stripper
Assignee: Standard Oil Development Co
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Filing: 1948-02-05
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Granted: 1952-09-30
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Expires: 1968-02-05
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Nicolai
- 👤 Byron V Molstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:08
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818; B01J8/24; B01J8/34; Y; Y10; Y10S; Y10S423/00; Y10S423/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
457 words
AN APPARATUS INCLUDING A CYLINDRICAL VESSEL FOR CONTACTING GASIFORM MATERIALS WITH FINELY DIVIDED SOLIDS ADAPTED TO BE MAINTAINED AS A DENSE, DRY, LIQUID-SIMULATING FLUIDIZED BED IN THE LOWER PORTION OF SAID VESSEL, AN INLET CHAMBER IN THE BOTTOM PORTION OF SAID VESSEL FOR THE SUPPLY OF GASIFORM MATERIALS AND SOLIDS THERETO, A CIRCULAR PERFORATED DISTRIBUTION PLATE ARRANGED SUBSTANTIALLY HORIZONTALLY AT THE UPPER PORTION OF SAID INLET CHAMBER, SAID PLATE BEING CONCENTRIC WITH SAID VESSEL BUT OF SMALLER DIAMETER, A VERTICALLY DISPOSED CYLINDRICAL MEMBER SURROUNDING SAID DISTRIBUTION PLATE AND EXTENDING ABOVE IT, SAID CYLINDRICAL MEMBER BEING SPACED FROM THE INNER WALL OF SAID VESSEL TO PROVIDE AN ANNULAR PASSAGEWAY FOR THE WITHDRAWAL OF SOLIDS FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSEL, RADIAL BAFFLES EXTENDING BETWEEN THE INNER WALL OF SAID VESSEL AND THE OUTER WALL OF SAID CYLINDRICAL MEMBER DIVIDING SAID ANNULAR PASSAGEWAY INTO A PLURLITY OF LONG NARROW STRIPPING SECTION, MEANS FOR INTRODUCING A STRIPPING AGENT INTO THE LOWER PORTION OF EACH OF SAID STRIPPING SECTION, A CLYLINDRICAL BAFFLE MEMBER ARRANGED ADJACENT TO THE UPPER END OF SAID CYLINDRICAL MEMBER AND EXTENDING UPWARDLY ABOVE THE MAXIMUM LEVEL OF THE DENSE, DRY, LIQUID-SIMULATING BED ADAPTED TO BE MAINTAINED IN SAID VESSEL, THE LOWER END OF SAID CYLINDRICAL BAFFLE MEMBER BEING COEXTENSIVE WIATH THE UPPER END OF SAID CYLINDRICAL MEMBER AND BEING UNIFORMLY SPACED THEREFROM TO PROVIDE A RESTRICTED OPENING FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSEL INTO SAID ANNULAR PASSAGEWAY, SAID CYLINDRICAL BAFFLE MEMBER COMPRISING AN INVERTED FRUSTO-CONICAL SECTION, THE SMALLEST DIAMETER OF WHICH IS SUBSTSNTIALLY THE SAME AS THE DIAMETER OF SAID CYLINDRILCAL MEMBER AND THE LARGEST DIAMETER OF WHICH IS A LITTLE LESS THAN THE INTERNAL DIAMETER OF SAID VESSEL, AND A CYLINDRICAL SECTION PROVIDED ON THE UPPER END OF SAID INVERTED FRUSTO-CONICAL SECTION AND OF SUBSTSNTIALLY THE SAME DIAMETER AS THE UPPER END OF SAID FRUSTO-CONICAL SECTION, THE LOWER AND SMALLER DIAMETER OF SAID BAFFLE MEMBER BEING ARRANGED IN CLOSE PROXIMITY TO THE UPPER END OF SAID CYLINDRICAL MEMBER TO PROVIDE SAID RESTRICTED OPENING FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSEL DIRECTLY INTO SAID ANNULAR PASSAGEWAY FOR THE WITHDRAWAL OF SOLIDS DIRECTLY FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSELS INTO SAID ANNULAR PASSAGEWAY, SAID BAFFLE MEMBER BEING SPACED FROM THE INNER WALL OF THE VESSESL TO PROVIDE AN OUTLET PORT WELL ABOVE THE MAXIMUM LEVEL OF THE DENSE FLUIDIZED BED ADAPTED TO BE MAILNTAINED IN SAID VESSEL FOR THE DISCHARGE OF STRIPPING AGENT AND STRIPPED-OUT MATERIAL RELEASED IN SAID ANNULAR PASSAGEDWAY, AN OUTLET FOR GASIFORM MATERIAL IN THE UPPER PORTION OF SAID VESSEL AND AN OUTLET FOR SOLIDS IN THE LOWER PORTION OF SAID VESSEL.
Claim 2
Independent Claim
457 words
AN APPARATUS INCLUDING A CYLINDRICAL VESSEL FOR CONTACTING GASIFORM MATERIALS WITH FINELY DIVIDED SOLIDS ADAPTED TO BE MAINTAINED AS A DENSE, DRY, LIQUID-SIMULATING FLUIDIZED BED IN THE LOWER PORTION OF SAID VESSEL, AN INLET CHAMBER IN THE BOTTOM PORTION OF SAID VESSEL FOR THE SUPPLY OF GASIFORM MATERIALS AND SOLIDS THERETO, A CIRCULAR PERFORATED DISTRIBUTION PLATE ARRANGED SUBSTANTIALLY HORIZONTALLY AT THE UPPER PORTION OF SAID INLET CHAMBER, SAID PLATE BEING CONCENTRIC WITH SAID VESSEL BUT OF SMALLER DIAMETER, A VERTICALLY DISPOSED CYLINDRICAL MEMBER SURROUNDING SAID DISTRIBUTION PLATE AND EXTENDING ABOVE IT, SAID CYLINDRICAL MEMBER BEING SPACED FROM THE INNER WALL OF SAID VESSEL TO PROVIDE AN ANNULAR PASSAGEWAY FOR THE WITHDRAWAL OF SOLIDS FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSEL, RADIAL BAFFLES EXTENDING BETWEEN THE INNER WALL OF SAID VESSEL AND THE OUTER WALL OF SAID CYLINDRICAL MEMBER DIVIDING SAID ANNULAR PASSAGEWAY INTO A PLURLITY OF LONG NARROW STRIPPING SECTION, MEANS FOR INTRODUCING A STRIPPING AGENT INTO THE LOWER PORTION OF EACH OF SAID STRIPPING SECTION, A CLYLINDRICAL BAFFLE MEMBER ARRANGED ADJACENT TO THE UPPER END OF SAID CYLINDRICAL MEMBER AND EXTENDING UPWARDLY ABOVE THE MAXIMUM LEVEL OF THE DENSE, DRY, LIQUID-SIMULATING BED ADAPTED TO BE MAINTAINED IN SAID VESSEL, THE LOWER END OF SAID CYLINDRICAL BAFFLE MEMBER BEING COEXTENSIVE WIATH THE UPPER END OF SAID CYLINDRICAL MEMBER AND BEING UNIFORMLY SPACED THEREFROM TO PROVIDE A RESTRICTED OPENING FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSEL INTO SAID ANNULAR PASSAGEWAY, SAID CYLINDRICAL BAFFLE MEMBER COMPRISING AN INVERTED FRUSTO-CONICAL SECTION, THE SMALLEST DIAMETER OF WHICH IS SUBSTSNTIALLY THE SAME AS THE DIAMETER OF SAID CYLINDRILCAL MEMBER AND THE LARGEST DIAMETER OF WHICH IS A LITTLE LESS THAN THE INTERNAL DIAMETER OF SAID VESSEL, AND A CYLINDRICAL SECTION PROVIDED ON THE UPPER END OF SAID INVERTED FRUSTO-CONICAL SECTION AND OF SUBSTSNTIALLY THE SAME DIAMETER AS THE UPPER END OF SAID FRUSTO-CONICAL SECTION, THE LOWER AND SMALLER DIAMETER OF SAID BAFFLE MEMBER BEING ARRANGED IN CLOSE PROXIMITY TO THE UPPER END OF SAID CYLINDRICAL MEMBER TO PROVIDE SAID RESTRICTED OPENING FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSEL DIRECTLY INTO SAID ANNULAR PASSAGEWAY FOR THE WITHDRAWAL OF SOLIDS DIRECTLY FROM THE DENSE FLUIDIZED BED ADAPTED TO BE MAINTAINED IN SAID VESSELS INTO SAID ANNULAR PASSAGEWAY, SAID BAFFLE MEMBER BEING SPACED FROM THE INNER WALL OF THE VESSESL TO PROVIDE AN OUTLET PORT WELL ABOVE THE MAXIMUM LEVEL OF THE DENSE FLUIDIZED BED ADAPTED TO BE MAILNTAINED IN SAID VESSEL FOR THE DISCHARGE OF STRIPPING AGENT AND STRIPPED-OUT MATERIAL RELEASED IN SAID ANNULAR PASSAGEDWAY, AN OUTLET FOR GASIFORM MATERIAL IN THE UPPER PORTION OF SAID VESSEL AND AN OUTLET FOR SOLIDS IN THE LOWER PORTION OF SAID VESSEL.
Claim 3
Dependent Claim
306 words
A PROCESS FOR CONTAINING GASEOUS FLUID AND FINELY DIVIDED SOLIDS WHICH COMPRISES SUPPLYING GASEOUS FLUID AND FINELY DIVIDED SOLIDSS TO A CYLINDRICAL VESSEL, CONTROLLING THE VELOCILTY OF THE GASEOUS FLUID PASSING UPWARDLY THROUGH SAID VESSEL TO FORM A DENSE, FIUIDIZED, LIQUID-SIMULATING BED OF SOLIDS INN THE LOWER PORTION OF SAID VESSEL WITH A DILUTE PHASE THEREABOVE, REMOVING GASEOUS FLUID SUBSTANTIALLY FREE FROM SOLID PARTICLES FROM THE DILUTE PHASE IN THE UPPER PORTION OF SAID VESSEL, WITHDRAWING SOLID PARTICLES AS A MULTIPLICITY OF SEPARATE STREAMS DIRECTLY FROM SAID DENSE FLUIDIZED SOLIDS BED AT SPACED POINTS ENTIRELY AROUND THE PERIPHERY THEREOF AND BELOW THE UPPER LEVEL THEREOF AND PASSING THE WITHDRAWN SOLID PARTICLES AS A MULTIPLICITLY OF STREAMS INTO THE INTERMEDIATE PORTION OF A CONDINED ANNULAR STRIPING ZONE SURROUNDING SAID DENSE FLUIDIZED BED OF SOLIDS AND AT A REGION ABOVE THE LOCUS OF INTRODUCTION OF GASEOUS STRIPING FLUID HEREINAFTER REFERRED TO, CAUSING EACH OF SAID STREAMS TO TAKE A SUBSTANTIAL PRESSURE DROP DURING PASSAGE OF THE STREAMS FROM THE DENSE FLUIDIZED BED INTO SAID ANNULAR STRIPPING ZONE THEREBY EQUALIZING THE FLOW OF SOLIDS FROM THE DENSE FLUIDIZED BED INTO SAID ANNULAR STRIPPING ZONE, CONTACTING SOLIDS IN SAID ANNULAR STRIPPING ZONE WITH UPFLOWING GASEOUS STRIPPING FLUID INTRODUCED AT A MULTIPLICITLY EOUS STRIPPING FLUID INTRODUCED AT A MULTIPLICITY OF POINTS INTO THE LOWER PORTION OF SAID ANNUAR ARRANGED IN SPACED RELATION ENTIRELY AROUND SAID ANNULAR STRIPPING ZONE, DISCHARGISNG SOLIDS FROM THE BOTTOM OF SAID ANNULAR STRIPPING ZONE INTO A COLLECTING ZONE AT THE BOTTOM OF SAID VESSEL AND WITHDRAWING STRIPPED SOLIDS FROM SAID COLLECTING ZONE AND PASSING GASEOUS STRIPPING FLUID AND STRIPPED OUT MATERIAL FROM THE UPPER PORTION OF SAID ANNULAR STRIPPING ZONE DIRECTLY INTO SAID DILUTE PHASE ABOVE THE LEVEL OF THE DENSE FLUIDIZED BED OF SOLIDS IN SAID VESSEL FOR REMOVAL FROM THE UPPER PORTION OF SAID VESSEL.
Claim 4
Dependent Claim
306 words
A PROCESS FOR CONTAINING GASEOUS FLUID AND FINELY DIVIDED SOLIDS WHICH COMPRISES SUPPLYING GASEOUS FLUID AND FINELY DIVIDED SOLIDSS TO A CYLINDRICAL VESSEL, CONTROLLING THE VELOCILTY OF THE GASEOUS FLUID PASSING UPWARDLY THROUGH SAID VESSEL TO FORM A DENSE, FIUIDIZED, LIQUID-SIMULATING BED OF SOLIDS INN THE LOWER PORTION OF SAID VESSEL WITH A DILUTE PHASE THEREABOVE, REMOVING GASEOUS FLUID SUBSTANTIALLY FREE FROM SOLID PARTICLES FROM THE DILUTE PHASE IN THE UPPER PORTION OF SAID VESSEL, WITHDRAWING SOLID PARTICLES AS A MULTIPLICITY OF SEPARATE STREAMS DIRECTLY FROM SAID DENSE FLUIDIZED SOLIDS BED AT SPACED POINTS ENTIRELY AROUND THE PERIPHERY THEREOF AND BELOW THE UPPER LEVEL THEREOF AND PASSING THE WITHDRAWN SOLID PARTICLES AS A MULTIPLICITLY OF STREAMS INTO THE INTERMEDIATE PORTION OF A CONDINED ANNULAR STRIPING ZONE SURROUNDING SAID DENSE FLUIDIZED BED OF SOLIDS AND AT A REGION ABOVE THE LOCUS OF INTRODUCTION OF GASEOUS STRIPING FLUID HEREINAFTER REFERRED TO, CAUSING EACH OF SAID STREAMS TO TAKE A SUBSTANTIAL PRESSURE DROP DURING PASSAGE OF THE STREAMS FROM THE DENSE FLUIDIZED BED INTO SAID ANNULAR STRIPPING ZONE THEREBY EQUALIZING THE FLOW OF SOLIDS FROM THE DENSE FLUIDIZED BED INTO SAID ANNULAR STRIPPING ZONE, CONTACTING SOLIDS IN SAID ANNULAR STRIPPING ZONE WITH UPFLOWING GASEOUS STRIPPING FLUID INTRODUCED AT A MULTIPLICITLY EOUS STRIPPING FLUID INTRODUCED AT A MULTIPLICITY OF POINTS INTO THE LOWER PORTION OF SAID ANNUAR ARRANGED IN SPACED RELATION ENTIRELY AROUND SAID ANNULAR STRIPPING ZONE, DISCHARGISNG SOLIDS FROM THE BOTTOM OF SAID ANNULAR STRIPPING ZONE INTO A COLLECTING ZONE AT THE BOTTOM OF SAID VESSEL AND WITHDRAWING STRIPPED SOLIDS FROM SAID COLLECTING ZONE AND PASSING GASEOUS STRIPPING FLUID AND STRIPPED OUT MATERIAL FROM THE UPPER PORTION OF SAID ANNULAR STRIPPING ZONE DIRECTLY INTO SAID DILUTE PHASE ABOVE THE LEVEL OF THE DENSE FLUIDIZED BED OF SOLIDS IN SAID VESSEL FOR REMOVAL FROM THE UPPER PORTION OF SAID VESSEL.
References Cited (Backward Citations)
US2415755A
Cited
US2436464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |