IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0293126
(2007-03-16)
|
등록번호 |
US-8273314
(2012-09-25)
|
우선권정보 |
FR-06 02432 (2006-03-17); FR-06 09923 (2006-11-14) |
국제출원번호 |
PCT/FR2007/000466
(2007-03-16)
|
§371/§102 date |
20090629
(20090629)
|
국제공개번호 |
WO2007/118950
(2007-10-25)
|
발명자
/ 주소 |
- Fischer, Beatrice
- Bertholin, Stephane
- Giroudiere, Fabrice
- Colin, Jerome
|
출원인 / 주소 |
|
대리인 / 주소 |
Millen, White, Zelano & Branigan, P.C.
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
5 |
초록
▼
The invention concerns an exchanger-reactor (1) comprising: a vessel (2);means for distributing a feed through a fixed bed catalytic zone (10);means (6) for collecting effluent from the catalytic zone (10);means for heating the catalytic zone (10); in which said collection means (6) comprise condui
The invention concerns an exchanger-reactor (1) comprising: a vessel (2);means for distributing a feed through a fixed bed catalytic zone (10);means (6) for collecting effluent from the catalytic zone (10);means for heating the catalytic zone (10); in which said collection means (6) comprise conduits passing right through the catalytic zone (10), said conduits being distributed in the catalytic zone and interposed between the heating means, and in which the heating means of the catalytic zone are contained in sheaths (8) which are partially immersed in the catalytic zone (10), the sheaths (8) being open at one of their ends and closed at the other, the open end being fixed to an upper tube plate (21) defining the collection chamber (19) which is located above the catalytic zone (10), said heating means comprising at least one combustion zone (13) located close to the catalytic zone, means for supplying said combustion zone (13) with an oxidizing gas mixture (15) and with a gaseous fuel (17), and means for evacuating the gaseous effluent deriving from the combustion (14).
대표청구항
▼
1. An exchanger-reactor (1) comprising: a vessel (2);a distributor suitable for distributing a feed through a fixed bed catalytic zone (10);a collector (6) suitable for collecting effluent derived from the catalytic zone (10);a heater suitable for heating the catalytic zone (10); in which said colle
1. An exchanger-reactor (1) comprising: a vessel (2);a distributor suitable for distributing a feed through a fixed bed catalytic zone (10);a collector (6) suitable for collecting effluent derived from the catalytic zone (10);a heater suitable for heating the catalytic zone (10); in which said collector (6) comprises conduits passing through over the entire height of the catalytic zone (10), said conduits being distributed in the catalytic zone and interposed between the heater, and in which the heater is contained in sheaths (8) which are partially immersed in the catalytic zone (10), the sheaths (8) being open at one of their ends and closed at the other, the open end being fixed to an upper tube plate (21) defining the collection chamber (19) which is located above the catalytic zone (10), said heater within a sheath comprising at least one combustion zone (13), an inlet for supplying said combustion zone (13) with an oxidizing gas mixture (15) and with a gaseous fuel (17), and an outlet for evacuating the gaseous effluent deriving from the combustion (14). 2. An exchanger-reactor (1) according to claim 1, in which at least two collectors (6) are distributed in a single fixed bed catalytic zone and are interposed between at least two heaters. 3. An exchanger-reactor (1) according to claim 1, in which the distributor comprises a perforated lower tube plate (4) the perforations of which are extended by tubular elements termed feed tubes (5). 4. An exchanger-reactor (1) according to claim 3, in which the perforated lower tube plate (4) is held in position by a bed of inert beads. 5. An exchanger-reactor (1) according to claim 3, in which the catalytic zone (10) comprises at least one lower inert zone (10c) located on said lower tube plate (4). 6. An exchanger-reactor (1) according to claim 5, in which the thickness of the lower inert zone (10c) substantially corresponds to the length of said feed tubes (5). 7. An exchanger-reactor (1) according to claim 3, in which the conduits of the collector traverse said lower tube plate (4) in an internal space of the feed tubes (5). 8. An exchanger-reactor (1) according to claim 1, in which the distributor comprises truncated horizontal perforated plate (4) and a non-truncated upper perforated plate (26), the perforations allowing passage of the collector conduits (6). 9. An exchanger-reactor (1) according to claim 8, in which the truncated horizontal perforated plate (4) and the non-truncated upper perforated plate (26) are disposed in an inert lower zone (10c) and form baffles. 10. An exchanger-reactor (1) according to claim 1, in which the conduits of the collector are located between a collection chamber (19) located downstream of the catalytic zone (10) and an effluent outlet (18). 11. An exchanger-reactor (1) according to claim 1, in which the conduits of the collector comprise ribs on their outer wall to increase their surface area in contact with the catalytic zone (10). 12. An exchanger-reactor (1) according to claim 1, in which the sheaths (8) comprise ribs on their outer wall to increase their surface area in contact with the catalytic zone (10). 13. An exchanger-reactor (1) according to claim 1, in which the heater comprises the following co-axial parts: a tube (11) suitable for supplying an oxidizing gas mixture, opening into a sheath (8) substantially at the upper level of the catalytic zone (10);a fuel tube (12) suitable for distributing fuel, connected at one of its ends to the inlet for supplying fuel (17) and located inside said tube (11) and opening substantially at the same level as said tube (11). 14. An exchanger-reactor (1) according to claim 13, in which the combustion zone is located in the sheaths (8) at the upper end of the catalytic zone (10). 15. An exchanger-reactor (1) according to claim 13, in which the heater comprises a tube (9) suitable for re-circulating gaseous effluent deriving from the combustion zone, open at both of its ends, and located in the sheaths (8) downstream of the combustion zone (13). 16. An exchanger-reactor (101) according to claim 1, in which the heater comprises in the sheaths (8) the following co-axial parts: a tube (111) suitable for supplying an oxidizing gas mixture opening into the sheath (108) substantially at the bottom of said sheath;a fuel tube (112) suitable for distributing fuel, connected at one of its ends to the inlet (117) for supplying fuel, located inside said tube (111) and extending substantially to the bottom of the sheath (108), said fuel tube (112) comprising at least one porous wall portion. 17. An exchanger-reactor (101) according to claim 16, in which the at least one porous wall portion of the fuel tube (112) defines a plurality of combustion zones (113) distributed along the wall of the fuel tube (112) in an immersed portion of at least one sheath (8) in the catalytic zone (110). 18. An exchanger-reactor (201) according to claim 16, in which the tube (211) suitable for supplying the oxidizing gas mixture is filled to its full height and up to the upper end of the catalytic zone with an oxidation catalyst (223). 19. An exchanger-reactor (201) according to claim 1, in which the heater comprises in the sheaths (8): a tube (211) suitable for supplying the oxidizing gas mixture opening into a sheath (208) substantially at the bottom of said sheath; andan oxidation catalyst (223) inside and over at least a portion of the height of said tube (211) suitable for supplying the oxidizing gas mixture at a right angle to the catalytic zone (210) and disposed downstream of a fuel distribution tube (212). 20. An exchanger-reactor (301) according to claim 1, in which a cooling fluid is injected into a chamber (319) suitable for collecting effluent deriving from the catalytic zone (310). 21. An exchanger-reactor (301) according to claim 1, in which the upper tube plate (21) is perforated and forms an upper perforated tube plate (321), which is constituted by a double wall (321), (326) suitable for allowing a cooling fluid to move in the internal space. 22. An exchanger-reactor (301) according to claim 1, in which the combustion zone (13) is located in a portion of at least one sheath (8) which is immersed in the catalytic zone (10). 23. A method for performing a steam reforming reaction, comprising performing said steam reforming reaction in the exchanger-reactor of claim 1.
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