FR3128277A3 - Apparatus for separating a mixture comprising carbon monoxide and hydrogen - Google Patents

Apparatus for separating a mixture comprising carbon monoxide and hydrogen Download PDF

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Publication number
FR3128277A3
FR3128277A3 FR2300131A FR2300131A FR3128277A3 FR 3128277 A3 FR3128277 A3 FR 3128277A3 FR 2300131 A FR2300131 A FR 2300131A FR 2300131 A FR2300131 A FR 2300131A FR 3128277 A3 FR3128277 A3 FR 3128277A3
Authority
FR
France
Prior art keywords
carbon monoxide
mixture
heat exchanger
separating
sending
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.)
Pending
Application number
FR2300131A
Other languages
French (fr)
Inventor
Antoine Hernandez
Patrick Pereira
Jean-Marc Peyron
Olivier De Cayeux
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 FR2300131A priority Critical patent/FR3128277A3/en
Publication of FR3128277A3 publication Critical patent/FR3128277A3/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0295—Start-up or control of the process; Details of the apparatus used, e.g. sieve plates, packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
    • F25J3/0223—H2/CO mixtures, i.e. synthesis gas; Water gas or shifted synthesis gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0252—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
    • F25J3/0261—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of carbon monoxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/42—Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit, e.g. of the cold box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/62—Details of storing a fluid in a tank

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

Titre : Appareil de séparation d’un mélange comprenant du monoxyde de carbone et de l’hydrogène Un appareil de séparation d’un mélange comprenant du monoxyde de carbone et de l’hydrogène comprend au moins une première enceinte isolée thermiquement contenant un système de colonne de distillation cryogénique et/ou de lavage cryogénique, un échangeur de chaleur, des moyens pour envoyer le mélange se refroidir dans l’échangeur de chaleur, des moyens pour envoyer le mélange refroidi depuis l’échangeur de chaleur à la première enceinte pour se séparer formant au moins un débit de monoxyde de carbone liquide, des moyens pour envoyer le débit de monoxyde de carbone liquide à une deuxième enceinte isolée thermiquement contenant un stockage de monoxyde de carbone liquide et éventuellement l’échangeur de chaleur. Pas de figureTitle: Apparatus for separating a mixture comprising carbon monoxide and hydrogen An apparatus for separating a mixture comprising carbon monoxide and hydrogen comprises at least a first thermally insulated enclosure containing a column system cryogenic distillation and/or cryogenic washing, a heat exchanger, means for sending the mixture to cool in the heat exchanger, means for sending the cooled mixture from the heat exchanger to the first enclosure to separate forming at least one flow of liquid carbon monoxide, means for sending the flow of liquid carbon monoxide to a second thermally insulated enclosure containing a storage of liquid carbon monoxide and optionally the heat exchanger. no figure

Description

Appareil de séparation d’un mélange comprenant du monoxyde de carbone et de l’hydrogèneApparatus for separating a mixture comprising carbon monoxide and hydrogen

La présente invention est relative à un appareil de séparation d’un mélange comprenant du monoxyde de carbone et de l’hydrogène appareil pour purifier et stockage du monoxyde de carbone par distillation et/ou lavage cryogénique.The present invention relates to an apparatus for separating a mixture comprising carbon monoxide and hydrogen, an apparatus for purifying and storing carbon monoxide by distillation and/or cryogenic washing.

Les unités de production de monoxyde de carbone et d’hydrogène peuvent être séparées en deux parties :

  • génération du gaz de synthèse (mélange contenant H2, CO, CH4, CO2, Ar et N2 essentiellement).
The carbon monoxide and hydrogen production units can be separated into two parts:
  • generation of synthesis gas (mixture containing H2, CO, CH4, CO2, Ar and N2 mainly).

Parmi les diverses voies industrielles de production de gaz de synthèse, celle à base de gazéification de charbon semble se développer de plus en plus notamment dans les pays riches en dépôts de charbon comme la Chine. Le procédé d’oxydation partielle du gaz naturel peut s’avérer également intéressant pour la production de CO seul ou avec des rapports de production H2/CO faibles. Une autre voie est le reformage à la vapeur à partir de gaz naturel.

  • purification du gaz de synthèse.
Among the various industrial routes for the production of syngas, that based on coal gasification seems to be developing more and more, particularly in countries rich in coal deposits such as China. The process of partial oxidation of natural gas can also prove interesting for the production of CO alone or with low H2/CO production ratios. Another route is steam reforming from natural gas.
  • syngas purification.

On retrouve :

  • Une unité de lavage avec un solvant liquide pour éliminer la plus grande partie des gaz acides contenus dans le gaz de synthèse
  • Une unité d’épuration sur lit d’adsorbants.
  • Une unité de séparation par voie cryogénique dite boite froide pour la production de CO.
We find :
  • A washing unit with a liquid solvent to remove most of the acid gases contained in the syngas
  • A purification unit on a bed of adsorbents.
  • A cryogenic separation unit called a cold box for the production of CO.

Dans le cas où l’on a besoin de stocker du CO pour pouvoir l’utiliser en cas d’arrêt de l’unité de purification, l’état de l’art prévoit une capacité de CO liquide installée dans une enceinte calorifugée qui contient également les équipements nécessaires pour la purification comme les colonnes à distiller. Il est connu de EP1479989 de stocker du monoxyde de carbone dans un stockage intégré à une colonne de séparation de méthane et de monoxyde de carbone. Le stockage et la colonne sont à l’intérieur d’une même enceinte thermiquement isolée.In the event that it is necessary to store CO in order to be able to use it in the event of a stoppage of the purification unit, the state of the art provides for a liquid CO capacity installed in a heat-insulated enclosure which contains also the necessary equipment for purification such as distillation columns. It is known from EP1479989 to store carbon monoxide in storage integrated with a column for separating methane and carbon monoxide. The storage and the column are inside the same thermally insulated enclosure.

Selon un objet de l’invention, il est prévu un appareil de séparation d’un mélange comprenant du monoxyde de carbone et de l’hydrogène comprenant au moins une première enceinte isolée thermiquement contenant un système de colonne de distillation cryogénique et/ou de lavage cryogénique, un échangeur de chaleur, des moyens pour envoyer le mélange se refroidir dans l’échangeur de chaleur, des moyens pour envoyer le mélange refroidi depuis l’échangeur de chaleur à la première enceinte pour se séparer formant au moins un débit de monoxyde de carbone liquide, des moyens pour envoyer le débit de monoxyde de carbone liquide à une deuxième enceinte isolée thermiquement contenant un stockage de monoxyde de carbone liquide et éventuellement l’échangeur de chaleur.According to one object of the invention, there is provided an apparatus for separating a mixture comprising carbon monoxide and hydrogen comprising at least a first thermally insulated enclosure containing a cryogenic distillation and/or washing column system cryogenic, a heat exchanger, means for sending the mixture to cool in the heat exchanger, means for sending the cooled mixture from the heat exchanger to the first chamber to separate forming at least a flow of liquid carbon, means for sending the flow of liquid carbon monoxide to a second thermally insulated enclosure containing a storage of liquid carbon monoxide and optionally the heat exchanger.

De préférence la deuxième enceinte ne contient aucune colonne de distillation ou de lavage.Preferably, the second enclosure does not contain any distillation or washing column.

Dans le cas où le volume à stocker est important, l’invention prévoit d’installer la capacité de CO liquide dans une enceinte calorifugée indépendante de(s) enceintes contenant les équipements de la purification.

  • Ceci permet d’augmenter la sécurité liée à une capacité de CO liquide.
  • Dans le cas où la taille de l’usine induit d’avoir un paquet pour l’échangeur, on pourrait installer l’enceinte thermiquement isolée contenant le stockage de CO liquide sous l’enceinte thermiquement isolée contenant le ou les échangeurs de la section purification, ceci réduira la surface au sol totale.
In the case where the volume to be stored is large, the invention provides for installing the liquid CO capacity in a heat-insulated enclosure independent of the enclosure(s) containing the purification equipment.
  • This makes it possible to increase the safety associated with a liquid CO capacity.
  • In the case where the size of the plant induces to have a package for the exchanger, one could install the thermally insulated enclosure containing the storage of liquid CO under the thermally insulated enclosure containing the exchanger(s) of the purification section , this will reduce the total floor space.

Claims (1)

Appareil de séparation d’un mélange comprenant du monoxyde de carbone et de l’hydrogène comprenant au moins une première enceinte isolée thermiquement contenant un système de colonne de distillation cryogénique et/ou de lavage cryogénique, un échangeur de chaleur, des moyens pour envoyer le mélange se refroidir dans l’échangeur de chaleur, des moyens pour envoyer le mélange refroidi depuis l’échangeur de chaleur à la première enceinte pour se séparer formant au moins un débit de monoxyde de carbone liquide, des moyens pour envoyer le débit de monoxyde de carbone liquide à une deuxième enceinte isolée thermiquement contenant un stockage de monoxyde de carbone liquide et éventuellement l’échangeur de chaleur.Apparatus for separating a mixture comprising carbon monoxide and hydrogen comprising at least a first thermally insulated enclosure containing a cryogenic distillation and/or cryogenic washing column system, a heat exchanger, means for sending the mixture to cool in the heat exchanger, means for sending the cooled mixture from the heat exchanger to the first enclosure to separate forming at least a liquid carbon monoxide flow, means for sending the carbon monoxide flow liquid carbon to a second thermally insulated enclosure containing a storage of liquid carbon monoxide and possibly the heat exchanger.
FR2300131A 2023-01-05 2023-01-05 Apparatus for separating a mixture comprising carbon monoxide and hydrogen Pending FR3128277A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2300131A FR3128277A3 (en) 2023-01-05 2023-01-05 Apparatus for separating a mixture comprising carbon monoxide and hydrogen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2300131A FR3128277A3 (en) 2023-01-05 2023-01-05 Apparatus for separating a mixture comprising carbon monoxide and hydrogen
FR2300131 2023-01-05

Publications (1)

Publication Number Publication Date
FR3128277A3 true FR3128277A3 (en) 2023-04-21

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Country Status (1)

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FR (1) FR3128277A3 (en)

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