FR3090825A3 - Method of continuously monitoring the temperature of tubes in a steam methane reforming furnace - Google Patents

Method of continuously monitoring the temperature of tubes in a steam methane reforming furnace Download PDF

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Publication number
FR3090825A3
FR3090825A3 FR1873593A FR1873593A FR3090825A3 FR 3090825 A3 FR3090825 A3 FR 3090825A3 FR 1873593 A FR1873593 A FR 1873593A FR 1873593 A FR1873593 A FR 1873593A FR 3090825 A3 FR3090825 A3 FR 3090825A3
Authority
FR
France
Prior art keywords
reforming
tubes
temperature
burner
gas mixture
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR1873593A
Other languages
French (fr)
Other versions
FR3090825B3 (en
Inventor
Daniel Gary
Diana Tudorache
Fouad Ammouri
Gonzalo Navarro
De Carvalho Leonel Couto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR1873593A priority Critical patent/FR3090825B3/en
Publication of FR3090825A3 publication Critical patent/FR3090825A3/en
Application granted granted Critical
Publication of FR3090825B3 publication Critical patent/FR3090825B3/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B01J8/06—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 in tube reactors; the solid particles being arranged in tubes
    • B01J8/062—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 in tube reactors; the solid particles being arranged in tubes being installed in a furnace
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0014—Devices for monitoring temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • 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
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0816—Heating by flames
    • 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
    • C01B2203/16—Controlling the process
    • C01B2203/1614—Controlling the temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/03002—Combustion apparatus adapted for incorporating a fuel reforming device

Landscapes

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

Abstract

Méthode de contrôle en mode continu de la régulation de la température dans un four de reformage pour la mise en œuvre d’un procédé de reformage, le four contenant des tubes de reformage munis de catalyseur de reformage et au moins un brûleur, le procédé de reformage comprenant au moins les étapes d’alimentation des tubes de reformage munis de catalyseur de reformage avec un mélange gazeux de reformage, alimentation du au moins un brûleur en combustible et comburant, combustion du mélange combustible et comburant au sein du au moins un brûleur de sorte à fournir aux tubes de la chaleur pour le reformage, reformage du mélange gazeux d’alimentation pour produire un gaz de synthèse, la méthode utilisant un système de contrôle de distribution (DCS) dédié au dit contrôle pour assurer le réglage de l’alimentation des brûleurs ainsi que celle des tubes, et la méthode comprenant au moins les étapes de réalisation en continu de au moins une mesure de température de tube de reformage contenu dans le dit four, utilisation de la au moins une mesure de température de tube de reformage pour générer une valeur de température utilisée comme indicateur TIC pour le DCS, ajustement de l’alimentation en combustible et/ou comburant du au moins un brûleur, et/ ou ajustement de l’alimentation en mélange de gaz à reformer en réponse à la mesure de ladite température de tube. Figure de l’abrégé : Fig. 3Method for continuously controlling the temperature regulation in a reforming oven for the implementation of a reforming process, the oven containing reforming tubes provided with reforming catalyst and at least one burner, the process for reforming comprising at least the steps of feeding the reforming tubes provided with reforming catalyst with a reforming gas mixture, feeding the at least one burner with fuel and oxidizer, combustion of the combustible and oxidant mixture within the at least one burner with so as to provide the tubes with heat for reforming, reforming the feed gas mixture to produce a synthesis gas, the method using a distribution control system (DCS) dedicated to said control to ensure the adjustment of the feed burners as well as that of the tubes, and the method comprising at least the steps of continuously performing at least one temperature measurement of reforming tube contained in s the said furnace, use of the at least one reforming tube temperature measurement to generate a temperature value used as an ICT indicator for the DCS, adjustment of the fuel and / or oxidant supply of the at least one burner, and / or adjusting the supply of gas mixture to be reformed in response to the measurement of said tube temperature. Figure of the abstract: Fig. 3

FR1873593A 2018-12-20 2018-12-20 Method of continuously controlling the temperature of tubes in a steam methane reforming furnace Active FR3090825B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1873593A FR3090825B3 (en) 2018-12-20 2018-12-20 Method of continuously controlling the temperature of tubes in a steam methane reforming furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1873593A FR3090825B3 (en) 2018-12-20 2018-12-20 Method of continuously controlling the temperature of tubes in a steam methane reforming furnace

Publications (2)

Publication Number Publication Date
FR3090825A3 true FR3090825A3 (en) 2020-06-26
FR3090825B3 FR3090825B3 (en) 2020-12-11

Family

ID=67107568

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1873593A Active FR3090825B3 (en) 2018-12-20 2018-12-20 Method of continuously controlling the temperature of tubes in a steam methane reforming furnace

Country Status (1)

Country Link
FR (1) FR3090825B3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024064560A1 (en) * 2022-09-23 2024-03-28 Praxair Technology, Inc. Method for carbon formation free operation of reformers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2888920A1 (en) * 2005-07-19 2007-01-26 Air Liquide Hydrocarbon catalytic reforming kiln maintenance procedure uses catalytic tube temperature sensor(s) connected to data acquisition system to determine tube life
US20120078408A1 (en) * 2010-09-29 2012-03-29 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Advanced Control System For Steam Hydrocarbon Reforming Furnaces
GB2548998A (en) * 2016-04-01 2017-10-04 Lumasense Tech Holdings Inc Temperature measurement system for furnaces

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2888920A1 (en) * 2005-07-19 2007-01-26 Air Liquide Hydrocarbon catalytic reforming kiln maintenance procedure uses catalytic tube temperature sensor(s) connected to data acquisition system to determine tube life
US20120078408A1 (en) * 2010-09-29 2012-03-29 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Advanced Control System For Steam Hydrocarbon Reforming Furnaces
GB2548998A (en) * 2016-04-01 2017-10-04 Lumasense Tech Holdings Inc Temperature measurement system for furnaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024064560A1 (en) * 2022-09-23 2024-03-28 Praxair Technology, Inc. Method for carbon formation free operation of reformers

Also Published As

Publication number Publication date
FR3090825B3 (en) 2020-12-11

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