WO2008151593A1 - Dispositif de reformage de gaz à deux étages - Google Patents

Dispositif de reformage de gaz à deux étages Download PDF

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Publication number
WO2008151593A1
WO2008151593A1 PCT/DE2008/000846 DE2008000846W WO2008151593A1 WO 2008151593 A1 WO2008151593 A1 WO 2008151593A1 DE 2008000846 W DE2008000846 W DE 2008000846W WO 2008151593 A1 WO2008151593 A1 WO 2008151593A1
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WO
WIPO (PCT)
Prior art keywords
zone
mixture
reformer
fuel
injection
Prior art date
Application number
PCT/DE2008/000846
Other languages
German (de)
English (en)
Inventor
Johannes EICHSTÄDT
Original Assignee
Enerday Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enerday Gmbh filed Critical Enerday Gmbh
Publication of WO2008151593A1 publication Critical patent/WO2008151593A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0496—Heating or cooling the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0403—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal
    • B01J8/0407—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds
    • B01J8/0411—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds the beds being concentric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0492—Feeding reactive fluids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/36—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/382—Multi-step processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/384—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts the catalyst being continuously externally heated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00309—Controlling the temperature by indirect heat exchange with two or more reactions in heat exchange with each other, such as an endothermic reaction in heat exchange with an exothermic reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0238—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a carbon dioxide reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/025—Processes for making hydrogen or synthesis gas containing a partial oxidation step
    • C01B2203/0255—Processes for making hydrogen or synthesis gas containing a partial oxidation step containing a non-catalytic partial oxidation step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
    • C01B2203/0844—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel the non-combustive exothermic reaction being another reforming reaction as defined in groups C01B2203/02 - C01B2203/0294
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235—Hydrocarbons
    • C01B2203/1241—Natural gas or methane
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1276—Mixing of different feed components
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14—Details of the flowsheet
    • C01B2203/142—At least two reforming, decomposition or partial oxidation steps in series
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Definitions

  • the invention relates to a reformer, in particular a gas reformer, for converting liquid or gaseous fuel and oxidant to reformate, with an oxidation tion zone, which is supplied via a first fuel supply and an oxidant supply a mixture of fuel and oxidant, and with one of the Oxi - Dationszone downstream injection and Gemisch Strukturs- zone, which is supplied via a second fuel supply further liquid or gaseous fuel.
  • Generic reformers are often used in conjunction with operation of a fuel cell or fuel cell stack to generate and supply a hydrogen-rich gas mixture, the reformate or synthesis gas, to the fuel cell or fuel cell stack, such as an SOFC fuel cell stack.
  • the fuel cell can generate electrical energy by supplying this hydrogen-rich gas.
  • Such fuel cells are used, for example in the automotive sector as additional energy sources, so-called APUs ("Auxiliary Power Unit"), their application.
  • APUs Advanced Power Unit
  • the reforming process of the reformer for converting fuel and oxidant to reformate can be done according to different principles.
  • the catalytic reforming is known, in which a part of the fuel in an exothermic
  • a generic, the autothermal Reformticiansart exporting reformer is known for example from DE 103 59 205 Al.
  • This prior art two-stage reformer has two fuel feeds and two oxidant feeds, one for both the oxidizer zone and the injection and mixture forming zones. This achieves a clear homogenization of the temperature profile in the reformer and thus an improvement in the reformer behavior.
  • first fuel and Oxidati- onsstoff which is usually air, fed to the oxidation zone of the reformer, in which a portion of the fuel with the oxidant completely oxidized.
  • the oxidation produces a gaseous oxidation product, which is referred to below as so-called flue gas.
  • This flue gas then passes into the injection and mixture-forming zone of the reformer downstream of the oxidation zone, in which further fuel is supplied again via a second fuel feed.
  • a further fuel evaporation takes place in the injection and mixture-forming zone, so that the substoichiometric fuel / air ratio necessary for reforming is established in the present mixture.
  • This mixture is then fed to a reforming or reaction zone, which may for example be formed at least in part by a catalyst of the reformer. This can be done by performing a catalytic partial oxidation dation (CPOX) the reformate can be obtained.
  • CPOX catalytic partial oxidation dation
  • the catalyst should be fed as homogeneous a mixture as possible.
  • a complex mixture formation is required.
  • the modulability or adjustability of the mixture formation is always a challenge in connection with two-stage reformers.
  • DE 103 57 474 A1 discloses a system for converting fuel and air to reformate, which comprises a single-stage reformer.
  • the reformer comprises a reaction or reforming zone, which is preceded by a nozzle in the manner of a venturi for supplying a fuel / air mixture.
  • this nozzle is used to achieve the most homogeneous possible mixing of the fuel and the air, whereby the efficiency of the Reform- m istsconces can be increased.
  • the invention has the object of developing the generic two-stage reformer such that the most homogeneous possible mixing of fuel and originating from the oxidation zone mixture in the injection and mixture formation zone, as it is realized in connection with known single-stage reformers based on a nozzle, also in two-stage reformers is feasible.
  • the reformer according to the invention builds on the generic state of the art in that the injection and mixture-forming zone is at least partially formed by a spray nozzle.
  • a spray nozzle By using such a modified nozzle, the structure of the mixture-forming zone can be substantially simplified, at the same time achieving a significantly better homogeneous mixing of the further gaseous or liquid fuel and of the gas mixture originating from the oxidation zone.
  • the formation of the mixture-forming zone as atomizing nozzle ensures homogeneous mixing of the gas mixture originating from the oxidation zone with the additional fuel introduced by the second fuel feed in a wide power range of the two-stage reformer.
  • the reformer according to the invention can be developed in an advantageous manner such that the atomizing nozzle is designed in the manner of a Venturi nozzle.
  • the use of a spray nozzle designed in the manner of a Venturi allows a particularly homogeneous mixing of the other fuel and the gas mixture.
  • the reformer according to the invention can be formed so that the injection and mixture forming zone is cylindrical and coaxial with the oxidation zone and is surrounded by the oxidation zone in the form of a cylinder jacket-shaped oxidation zone such that heat transfer to the atomization nozzle is made possible. Due to the coaxial arrangement of
  • Injection and mixture-forming zone and the surrounding oxidation zone is further allows a heat transfer, which in particular can positively influence the evaporation behavior of the gas mixture in the atomizing nozzle.
  • the reformer according to the invention is distinguished by the fact that the second fuel feed extends at least in sections into a section of the smallest diameter sputtering nozzle or extends beyond the section with the smallest diameter in the venturi nozzle.
  • the reformer according to the invention can be realized in such a way that the injection and mixture-forming zone is followed by a reaction zone which comprises a catalyst.
  • Figure 1 is a schematic representation of a two-stage reformer according to the invention.
  • FIG. 1 shows a schematic representation of a two-stage reformer 10 according to the invention, which is designed in particular as a two-stage gas reformer 10.
  • the reformer 10 according to the invention is substantially cylindrical in shape and comprises an oxidation zone 20, the gaseous fuel and oxidant via a first BrennstoffZu Entry 12 and an oxidant supply 14 can be fed.
  • fuel for example, natural gas, gaseous diesel or gaseous gasoline in question
  • the oxidizing agent is usually air.
  • the supply of the gaseous fuel and the oxidizing agent produces a gas mixture 18, which enters the oxidation zone 20 flows and there at least partially oxidized, so that a flue gas is formed in the oxidation zone 20.
  • the oxidation zone 20 thus takes place a reaction of gaseous fuel and oxidizing agent in an exothermic reaction.
  • the oxidation zone 20 is shown in FIG.
  • the gas mixture 18 or the flue gas flows into the injection and mixture formation zone 22 downstream of the oxidation zone 20, which is substantially in the form of a cylinder coaxial with the oxidation zone 20 and at least partially by the cylinder jacket-shaped oxidation zone 20 is surrounded.
  • a transition from the oxidation zone 20 to the injection and mixture-forming zone 22 is formed such that the gas mixture is deflected essentially by 180 ° and thus flows in opposite directions in the injection and mixture-forming zone 22 with respect to the oxidation zone 20.
  • the injection and mixture-forming zone 22 is embodied as an atomizing nozzle 28 in the manner of a venturi nozzle, into which a second fuel feed 16 extends at least in sections.
  • the second fuel supply extends into the venturi to a portion 30 of the smallest diameter of the venturi;
  • the second fuel feeder 16 extends beyond the smallest diameter portion in the venturi, such that an end portion of the second fuel feeder 16 is disposed in a conical portion 32 of the venturi flaring in the flow direction.
  • the second fuel supply 16 further gaseous fuel can be introduced directly into the atomizing nozzle 28.
  • the thermal energy of originating from the oxidation zone 20 Flue gas can contribute to the further evaporation of the further gaseous fuel, which is supplied through the second fuel supply 16.
  • the thermal energy of the flue gas can be partially transferred to the gas mixture in the injection and mixture forming zone 22 by virtue of the design permitting heat transfer between the injection and mixture forming zone 22, in particular the venturi type atomizing nozzle, and the oxidation zone 20;
  • the heat transfer can be made possible by appropriate design of a cylinder wall of the injection and mixture forming zone 22.
  • the gas mixture formed in the injection and mixture-forming zone 22 is thoroughly mixed due to the nozzle shape of the injection and mixture-forming zone 22.
  • the gas mixture passes from the injection and mixture forming zone 22 into the reforming zone or reaction zone 24 which is at least partially formed by a catalyst and, like the injection and mixture forming zone 22, is formed as a coaxial cylinder surrounded by the cylinder-shaped oxidation zone 20 is.
  • the gas mixture is reacted in an endothermic reaction to reformate 26.
  • the generated reformate 26 flows out of the catalyst via a reformer outlet and can be supplied, for example, to a fuel cell or to a fuel cell stack.
  • the reforming zone 24 and the oxidation zone 20 can be formed so that they are in a heat transferring relationship to each other, so that required for the endothermic reaction heat from the oxidation zone 20 can be obtained.
  • the operation of the reformer 10 according to the invention is as follows. First, the gaseous fuel and the oxidant, in this case air, is supplied to the oxidation zone 20 through the first fuel feeder 12 and the oxidant feed 16. This results in a gas mixture which oxidizes in the oxidation zone 20 at least partially to an oxidized mixture 18 or flue gas. The resulting flue gas then flows from the oxidation zone 20 into the injection and mixture forming zone 22. There, the flue gas further gaseous fuel is supplied through the second fuel guide 16.
  • the gaseous fuel and the oxidant in this case air
  • the resulting gas mixture then passes from the injection and mixture formation zone 22, which is in the form of a venturi, with homogeneous mixing into the catalyst forming the reaction zone 24, in which it is converted to the reformate 26 and via a reformer outlet from the reformer 10 is omitted.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

La présente invention concerne un dispositif de reformage (10), en particulier un dispositif de reformage de gaz (10) destiné à convertir des combustibles liquides ou gazeux et des agents d'oxydation en reformat (26), le dispositif comprenant une zone d'oxydation (20) qui peut être alimentée en un mélange de combustible gazeux ou liquide et d'agent d'oxydation, par une première amenée de combustible (12) et une amenée d'agent d'oxydation (14); et une zone d'injection et de formation de mélange (22) en aval de la zone d'oxydation (20), qui peut être alimentée encore avec du combustible liquide ou gazeux par une deuxième amenée de combustible (16). Selon l'invention, la zone d'injection et de formation de mélange (22) est formée au moins partiellement par une buse de pulvérisation (28).
PCT/DE2008/000846 2007-06-12 2008-05-15 Dispositif de reformage de gaz à deux étages WO2008151593A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007026923A DE102007026923A1 (de) 2007-06-12 2007-06-12 Zweistufiger Gasreformer
DE102007026923.6 2007-06-12

Publications (1)

Publication Number Publication Date
WO2008151593A1 true WO2008151593A1 (fr) 2008-12-18

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Application Number Title Priority Date Filing Date
PCT/DE2008/000846 WO2008151593A1 (fr) 2007-06-12 2008-05-15 Dispositif de reformage de gaz à deux étages

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DE (1) DE102007026923A1 (fr)
WO (1) WO2008151593A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011100417A1 (de) * 2011-05-04 2012-11-08 Vaillant Gmbh Reformer
AT519859B1 (de) * 2017-04-13 2020-11-15 Avl List Gmbh Abgasnachbehandlungsvorrichtung mit Reformer und Brenner für ein SOFCSystem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005058751A2 (fr) * 2003-12-17 2005-06-30 Webasto Ag Reformeur et procede pour transformer du combustible et un agent oxydant en reformat
US20060042565A1 (en) * 2004-08-26 2006-03-02 Eaton Corporation Integrated fuel injection system for on-board fuel reformer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE553407A (fr) * 1955-02-07 1900-01-01
US4699631A (en) * 1986-12-29 1987-10-13 Texaco Development Corp. Partial oxidation of hydrocarbon gases
DE10357474B4 (de) 2003-12-09 2006-05-24 Webasto Ag System zum Umsetzen von Brennstoff und Luft zu Reformat
US7824654B2 (en) * 2005-11-23 2010-11-02 Wilson Mahlon S Method and apparatus for generating hydrogen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005058751A2 (fr) * 2003-12-17 2005-06-30 Webasto Ag Reformeur et procede pour transformer du combustible et un agent oxydant en reformat
US20060042565A1 (en) * 2004-08-26 2006-03-02 Eaton Corporation Integrated fuel injection system for on-board fuel reformer

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