Patent US3918914A successfully refreshed from Google Patents.
US3918914A
Expired / Lapsed
US
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Carbon black reactor
Assignee: Phillips Petroleum Co
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Filing: 1973-10-15
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Granted: 1975-11-11
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Expires: 1993-10-15
Abstract
Abstract A method and apparatus for introducing combustion gases into a carbon black furnace, the method involving the introduction of the combustion gases at variable velocities to affect the structure of the black by affecting the extent of the contact between the hydrocarbon feed and the combustion gases. The apparatus includes means for varying the introduction velocity of the combustion gases.
Inventors
- 👤 Paul H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:02
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; C01; C01P; C01P2006/00; C01P2006/12; C01P2006/19
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
101 words
A CARBON BLACK REACTOR COMPRISING A. A TUBULAR CONBUSTION SECTION, B. A TUBULAR REACTION SECTION DOWNSTREAM OF AND IN CONTIGUOUS AXIAL ALIGMENT WITH AND OPERATIVLEY CONNECTED TO SAID COMBUSTION SECTION, C. FIRST MEANS OPERATIVELY CONNECTED TO SAID REACTOR FOR AXIAL INTRODUCTION OF HYDROCARBON FEED INTO SAID COMBUSTION SECTION, D. SECOND MEANS FOR TANGENTIALLY INTRODUCING COMBUSTION GASES INTO SAID COMBUSTION SECTION, SAID SECOND MEANS BEING ARRANGED FOR ROTATION AROUND THE AXIS OF SAID REACTOR, E. THIRD MEANS FOR ROTATING SAID SECOND MEANS AROUND THE AXIS OF SAID REACTOR, AND F. FOURTH MEANS FOR THE REMOVAL OF EFFLUENT FROM SAID TUBULAR REACTION SECTION.
Claim 2
Dependent Claim
101 words
A CARBON BLACK REACTOR COMPRISING A. A TUBULAR CONBUSTION SECTION, B. A TUBULAR REACTION SECTION DOWNSTREAM OF AND IN CONTIGUOUS AXIAL ALIGMENT WITH AND OPERATIVLEY CONNECTED TO SAID COMBUSTION SECTION, C. FIRST MEANS OPERATIVELY CONNECTED TO SAID REACTOR FOR AXIAL INTRODUCTION OF HYDROCARBON FEED INTO SAID COMBUSTION SECTION, D. SECOND MEANS FOR TANGENTIALLY INTRODUCING COMBUSTION GASES INTO SAID COMBUSTION SECTION, SAID SECOND MEANS BEING ARRANGED FOR ROTATION AROUND THE AXIS OF SAID REACTOR, E. THIRD MEANS FOR ROTATING SAID SECOND MEANS AROUND THE AXIS OF SAID REACTOR, AND F. FOURTH MEANS FOR THE REMOVAL OF EFFLUENT FROM SAID TUBULAR REACTION SECTION.
Claim 3
Dependent Claim
64 words
A carbon black reactor in accordance wiTh claim 1 wherein said second means comprise an inlet conduit extending along the longitudinal axis of said reactor and connected to this inlet conduit one or more distribution conduits projecting radially from said inlet conduit into said tubular combustion section, said distribution conduits having discharge outlets being located close to the inner wall of said combustion section.
Claim 4
Dependent Claim
25 words
A carbon black reactor in accordance with claim 1 further comprising an axial section upstream of and in contiguous axial alignment with said combustion section.
Claim 5
Dependent Claim
26 words
A carbon black reactor in accordance with claim 2 wherein said inlet conduit is positioned annularly surrounding said first means for axial introduction of hydrocarbon feed.
Claim 6
Dependent Claim
19 words
A carbon black reactor in accordance with claim 1 wherein said third means comprises a variable speed drive means.
References Cited (Backward Citations)
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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) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |