EP0628777B1 - Procédé et dispositif d'obtention d'argon - Google Patents

Procédé et dispositif d'obtention d'argon Download PDF

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Publication number
EP0628777B1
EP0628777B1 EP94107374A EP94107374A EP0628777B1 EP 0628777 B1 EP0628777 B1 EP 0628777B1 EP 94107374 A EP94107374 A EP 94107374A EP 94107374 A EP94107374 A EP 94107374A EP 0628777 B1 EP0628777 B1 EP 0628777B1
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EP
European Patent Office
Prior art keywords
column
argon
fraction
crude argon
semipure
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Expired - Lifetime
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EP94107374A
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German (de)
English (en)
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EP0628777A1 (fr
Inventor
Horst Dipl.-Ing. Corduan
Hartwin Dipl.-Ing. Lindner
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Linde GmbH
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Linde GmbH
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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
    • F25J3/04—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 for air
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
    • F25J3/0423—Subcooling of liquid process streams
    • 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
    • F25J3/04—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 for air
    • F25J3/04406—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 for air using a dual pressure main column system
    • F25J3/04412—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 for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • 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
    • F25J3/04—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 for air
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
    • 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
    • F25J3/04—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 for air
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04703—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser being arranged in more than one vessel
    • 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
    • F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/58—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being argon or crude argon
    • 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
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/50—Processes or apparatus involving steps for recycling of process streams the recycled stream being oxygen
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/923—Inert gas
    • Y10S62/924—Argon

Definitions

  • the invention relates to a method and a device for the production of argon, wherein in the process air in a rectification system with at least one Air separation column and a raw argon column is disassembled, one containing argon Oxygen fraction removed from the air separation column and into a crude argon column a raw argon fraction is initiated in the upper area of the raw argon column removed and a first reflux liquid to be added and in the lower A first residual fraction is taken from the area of the crude argon column.
  • GB-A-2107597 relates to the separation by distillation of components whose Boiling points are very close together, especially a process for Heavy water enrichment. It is suggested to use this process instead to be carried out in up to four columns in only two serially connected separation columns. Liquid from the first of the two columns is applied to the second column. Steam from the second column is passed through a compressor and a heat exchanger returned to the first pillar.
  • the invention has for its object a method and an apparatus to develop the type mentioned above, which is characterized by particularly high efficiency distinguish, in particular by relatively little equipment for raw argon production.
  • This object is achieved in that the crude argon fraction is in the lower range a semi-pure column is introduced, being in the upper region of the semi-pure column one oxygen-depleted argon fraction was taken and a second Return liquid to be added and in the lower area of the semi-pure column a second residual fraction is removed, which the first return liquid for forms the raw argon column.
  • the return liquid is therefore the liquid of another rectification column formed, into which the crude argon product is conversely introduced. This can help a head capacitor for the raw argon column can be dispensed with.
  • the product fraction from the crude argon column is further oxygenated in the semi-pure column depleted.
  • a semi-pure column By using a semi-pure column, one can essentially oxygen-free argon product can be obtained, the overall height of the Crude argon column is not only reduced by dispensing with a top condenser be, but overall very flexible to the circumstances of the whole Air separation plant can be adapted. It is deliberately avoided to achieve the lowest possible oxygen concentration in the raw argon column. In the context of the invention, it has been found that the invention Process economic benefits by reducing the size of the raw argon column offers, in many cases, against the cost of the additional pillar prevail.
  • the oxygen-depleted argon fraction is used as a product or intermediate withdrawn in gaseous or liquid form. It can, for example in a pure argon column, further cleaned, in particular freed of nitrogen.
  • the pressure in the lower region of the semi-pure column is preferably essentially equal to the pressure in the upper area of the raw argon column.
  • the return liquid for the semi-pure column can basically by condensation the corresponding top fraction generated or supplied from another source will.
  • At least part of the argon fraction is from the upper region the semi-pure column condensed by indirect heat exchange, at least part of the condensate forms the second return liquid.
  • a top condenser is arranged above the rectification area of the semi-pure column.
  • the liquid evaporating against the condensing argon fraction Fraction preferably through oxygen-enriched liquid from the pressure column educated.
  • the evaporated liquid fraction is then in the low pressure column fed.
  • This variant of the method according to the invention for example in the case of sump liquid from the pressure column for condensation of the depleted argon fraction is particularly energetically favorable.
  • the evaporation of the liquid In this case, fraction preferably takes place under essentially low-pressure column pressure or under a slightly higher pressure.
  • Packings and / or ordered ones are preferably used in the crude argon and / or semi-pure column Packs used as mass transfer elements. Because of her special Orderly packs are preferred with low pressure loss. Even in the other rectification columns used in the process, for example in the Low-pressure column of a two-stage air separator can fill or packing, in particular ordered packs can be used.
  • any ordered pack can be used will.
  • the use of internals such as those in the not previously published documents WO 93/19335 or WO 93/19336 are.
  • the invention also relates to a device for the production of argon according to the Claims 8 to 13.
  • an argon-containing oxygen stream 4 is removed, the also contaminants in the form of nitrogen and other air components contains, and in a raw argon column 5 in raw argon 6 and a first residual fraction 8 Cut.
  • the latter - if necessary by means of a pump, not shown - for Low pressure column 3 returned and slightly below the point of removal for the oxygen flow containing argon is fed back.
  • crude argon 6 obtained at the top of the crude argon column 5 a semi-pure column 9 a further rectification step for the removal of less volatile Proportions, especially of oxygen, subjected.
  • the raw argon becomes this preferably fed into the lower region of this column 9 in gaseous form.
  • oxygen depleted argon is from the upper area of the semi-pure column 9 withdrawn in gaseous (10) and / or liquid (15).
  • Return liquid 11 for the semi-pure column is obtained by condensation of the top fraction by means of indirect heat exchange 13 against relaxed sump liquid from the Pressure column 2 of the air separator 1 generated.
  • the resulting steam is over Line 16 discharged and introduced into the low-pressure column 3 at a suitable point.
  • the crude argon column 5 does not require a top condenser. Your need for return liquid 7 is covered by sump liquid 12, which is in the semi-pure column 9 arises. As a rule, a pump 17 must be used to compensate for the height difference to overcome in line 7.
  • the rectification areas shown throughout in the drawing consist of Reality from multiple sections.
  • mass transfer elements especially in Crude argon and semi-pure column preferably used ordered packs. It However, parts of the columns with conventional rectification trays can also be used be equipped.
  • the crude argon column has a rectification section on, the semi-pure column three.
  • the number of these sections can, however vary in the crude argon column from one to about three, in the semi-pure column about from two to six.
  • the crude argon column 5 contains, for example, 30 to 120, preferably about 60 to 90 theoretical floors.
  • the number of theoretical plates in the semi-pure column 9 is, for example, 60 to 150, preferably about 90 to 120.
  • the ratio of theoretical plate numbers (crude argon column 5 to semi-pure column 9) is, for example 0.5.

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

Claims (13)

  1. Procédé d'obtention d'argon, lors duquel l'on fractionne l'air dans un système de rectification ayant au moins une colonne de fractionnement d'air (1) et une colonne d'argon brut, une fraction d'oxygène (4) contenant de l'argon étant prélevée de la colonne de fractionnement d'air (1) et étant introduite dans une colonne d'argon brut (5), une fraction d'argon brut (6) étant prélevée et un premier liquide de reflux (7) étant chargé dans le domaine supérieur de la colonne d'argon brut (5), et une première fraction résiduelle (8) étant prélevée dans le domaine inférieur de la colonne d'argon brut (5), caractérisé en ce que la fraction d'argon brut (6) est introduite dans le domaine inférieur d'une colonne semi-pure (9), une fraction d'argon appauvrie en oxygène étant prélevée (10, 15) et un deuxième liquide de reflux (11) étant chargé dans le domaine supérieur de la colonne semi-pure (9), et une deuxième fraction résiduelle (12) étant prélevée dans le domaine inférieur de la colonne semi-pure (9), laquelle fraction forme le premier liquide de reflux (7) pour la colonne d'argon brut (5).
  2. Procédé selon la revendication 1, caractérisé en ce que la pression dans le domaine inférieur de la colonne semi-pure (9) est pour l'essentiel égale à la pression dans le domaine supérieur de la colonne d'argon brut (5).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'au moins une partie de la fraction d'argon en provenance du domaine supérieur de la colonne semi-pure (9) est condensée par échange thermique indirect (13) et qu'au moins une partie du condensat forme le deuxième liquide de reflux (11).
  4. Procédé selon la revendication 3, caractérisé en ce que lors de l'échange thermique indirect (13), l'on évapore une fraction liquide (14) en provenance de l'une des colonnes de fractionnement d'air (1; 2).
  5. Procédé selon la revendication 4, caractérisé en ce que la colonne de fractionnement d'air (1) est constituée de deux étages et présente une colonne à pression (2) et une colonne à basse pression (3), la fraction d'oxygène contenant de l'argon (4) étant prélevée de la colonne à basse pression (3), la fraction liquide se vaporisant à l'encontre de la fraction d'argon qui se condense étant formée par le liquide enrichi en oxygène (14) en provenance de la colonne à pression (2), et la fraction liquide vaporisée (16) étant injectée dans la colonne à basse pression (3).
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la colonne d'argon brut (5) contient des corps de remplissage et/ou des garnissages ordonnés.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la colonne semi-pure (9) contient des corps de remplissage et/ou des garnissages ordonnés.
  8. Dispositif d'obtention d'argon comprenant un système de rectification, qui présente au moins une colonne de fractionnement d'air (1) et une colonne d'argon brut (5), la colonne de fractionnement d'air (1) et la colonne d'argon brut (5) étant raccordées par l'intermédiaire d'une conduite (4) pour une fraction d'oxygène contenant de l'argon, caractérisé par une colonne semi-pure (9), une conduite d'argon brut (6), qui conduit du domaine supérieur de la colonne d'argon brut (5) au domaine inférieur de la colonne semi-pure (9), et des moyens (7; 11) en vue de l'apport de liquide de reflux dans les domaines supérieurs de la colonne d'argon brut (5) et de la colonne semi-pure (9), et avec des conduites de fractions restantes (8; 12), qui émergent à chaque fois des domaines inférieurs de la colonne d'argon brut (5) et de la colonne semi-pure (9), la conduite de fraction restante (12) de la colonne semi-pure (9) étant raccordée aux moyens (7) en vue de l'apport de liquide de reflux dans la colonne d'argon brut (5).
  9. Dispositif selon la revendication 8, caractérisé en ce que la conduite d'argon brut (6) ne présente aucun moyen de diminution ou d'accroissement de la pression.
  10. Dispositif selon la revendication 8 ou 9, caractérisé par un condensateur de tête (13), dont la face de condensation est reliée au domaine supérieur de la colonne semi-pure (9).
  11. Dispositif selon la revendication 10, caractérisé par une conduite de liquide, qui conduit de la colonne de fractionnement d'air (1) à la face de vaporisation du condensateur de tête (13).
  12. Dispositif selon l'une quelconque des revendications 8 à 11, caractérisé en ce que la colonne d'argon brut (5) contient des corps de remplissage et/ou des garnissages ordonnés.
  13. Dispositif selon l'une quelconque des revendications 8 à 12, caractérisé en ce que la colonne semi-pure (9) contient des corps de remplissage et/ou des garnissages ordonnés.
EP94107374A 1993-05-28 1994-05-11 Procédé et dispositif d'obtention d'argon Expired - Lifetime EP0628777B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4317916 1993-05-28
DE4317916A DE4317916A1 (de) 1993-05-28 1993-05-28 Verfahren und Vorrichtung zur Gewinnung von Argon

Publications (2)

Publication Number Publication Date
EP0628777A1 EP0628777A1 (fr) 1994-12-14
EP0628777B1 true EP0628777B1 (fr) 1998-11-04

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EP94107374A Expired - Lifetime EP0628777B1 (fr) 1993-05-28 1994-05-11 Procédé et dispositif d'obtention d'argon

Country Status (4)

Country Link
US (1) US5426946A (fr)
EP (1) EP0628777B1 (fr)
DE (2) DE4317916A1 (fr)
ES (1) ES2125370T3 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007035619A1 (de) 2007-07-30 2009-02-05 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft
EP2026024A1 (fr) 2007-07-30 2009-02-18 Linde Aktiengesellschaft Procédé et dispositif pour la production d'argon par séparation cryogénique d'air
DE102009016043A1 (de) 2009-04-02 2010-10-07 Linde Ag Verfahren zum Betreiben einer Reinargonsäule und Vorrichtung zur Reinargongewinnung
EP2447653A1 (fr) 2010-11-02 2012-05-02 Linde Aktiengesellschaft Procédé de séparation cryogénique de l'air à l'aide d'un condensateur latéral
EP2645031A1 (fr) 2012-03-29 2013-10-02 Linde Aktiengesellschaft Colonne de séparation pour une installation de décomposition de l'air à basse température, installation de décomposition de l'air à basse température et procédé de décomposition à basse température de l'air
EP2645033A1 (fr) 2012-03-29 2013-10-02 Linde Aktiengesellschaft Paquet transportable avec boîtier frigorifique et procédé de fabrication d'une installation de décomposition de l'air à basse température
DE102012006479A1 (de) 2012-03-29 2013-10-02 Linde Ag Transportables Paket mit einer Coldbox und Verfahren zum Herstellen einer Tieftemperatur-Luftzerlegungsanlage
DE102012008415A1 (de) 2012-04-27 2013-10-31 Linde Aktiengesellschaft Transportables Paket mit einer Coldbox, Tieftemperatur-Luftzerlegungsanlage und Verfahren zum Herstellen einer Tieftemperatur-Luftzerlegungsanlage
WO2014135271A2 (fr) 2013-03-06 2014-09-12 Linde Aktiengesellschaft Installation de séparation d'air, procédé de récupération d'un produit contenant de l'argon et procédé pour créer une installation de séparation d'air
DE102013018664A1 (de) 2013-10-25 2015-04-30 Linde Aktiengesellschaft Verfahren zur Tieftemperaturzerlegung von Luft und Tieftemperatur-Luftzerlegungsanlage
EP3040665A1 (fr) 2014-12-30 2016-07-06 Linde Aktiengesellschaft Système de colonne de distillation et installation pour la production d'oxygène par séparation cryogénique de l'air
EP3048401A1 (fr) 2015-01-20 2016-07-27 Linde Aktiengesellschaft Procédé et dispositif destinés à l'extraction variable d'argon par la séparation cryogénique de l'air

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* Cited by examiner, † Cited by third party
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CA2142317A1 (fr) * 1994-02-24 1995-08-25 Anton Moll Methode et appareil pour la recuperation d'argon pur
DE4443190A1 (de) * 1994-12-05 1996-06-13 Linde Ag Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
US5557951A (en) * 1995-03-24 1996-09-24 Praxair Technology, Inc. Process and apparatus for recovery and purification of argon from a cryogenic air separation unit
GB9513765D0 (en) * 1995-07-06 1995-09-06 Boc Group Plc Production of argon
FR2739438B1 (fr) * 1995-09-29 1997-10-24 Air Liquide Procede et installation de production d'argon par distillation cryogenique
DE19543953C1 (de) * 1995-11-25 1996-12-19 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Sauerstoff und Stickstoff unter überatmosphärischem Druck
GB9605171D0 (en) * 1996-03-12 1996-05-15 Boc Group Plc Air separation
DE19651280C1 (de) * 1996-10-02 1999-05-12 Linde Ag Verfahren und Vorrichtung zur Gewinnung von reinem Argon
US5682767A (en) * 1996-11-18 1997-11-04 Air Liquide Process And Construction Argon production
US5682765A (en) * 1996-12-12 1997-11-04 Praxair Technology, Inc. Cryogenic rectification system for producing argon and lower purity oxygen
FR2761897B1 (fr) * 1997-04-11 1999-05-14 Air Liquide Installation de separation d'un melange gazeux par distillation
US6205815B1 (en) 1997-04-11 2001-03-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Plant for separation of a gas mixture by distillation
US6269659B1 (en) * 1998-04-21 2001-08-07 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and installation for air distillation with production of argon
DE19921949A1 (de) * 1999-05-12 2000-11-16 Linde Ag Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
US6321567B1 (en) 2000-10-06 2001-11-27 Praxair Technology, Inc. Structured packing system for reduced distillation column height
DE10153252A1 (de) * 2001-10-31 2003-05-15 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Krypton und/oder Xenon durch Tieftemperaturzerlegung von Luft
CN209524679U (zh) * 2018-10-29 2019-10-22 乔治洛德方法研究和开发液化空气有限公司 通过低温蒸馏来蒸馏空气的设备

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DE102007035619A1 (de) 2007-07-30 2009-02-05 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Argon durch Tieftemperaturzerlegung von Luft
EP2026024A1 (fr) 2007-07-30 2009-02-18 Linde Aktiengesellschaft Procédé et dispositif pour la production d'argon par séparation cryogénique d'air
DE102009016043A1 (de) 2009-04-02 2010-10-07 Linde Ag Verfahren zum Betreiben einer Reinargonsäule und Vorrichtung zur Reinargongewinnung
EP2447653A1 (fr) 2010-11-02 2012-05-02 Linde Aktiengesellschaft Procédé de séparation cryogénique de l'air à l'aide d'un condensateur latéral
DE102013003417A1 (de) 2012-03-29 2013-10-02 Linde Aktiengesellschaft Trennsäule für eine Tieftemperatur-Luftzerlegungsanlage, Tieftemperatur-Luftzerlegungsanlage und Verfahren zur Tieftemperaturzerlegung von Luft
EP2645033A1 (fr) 2012-03-29 2013-10-02 Linde Aktiengesellschaft Paquet transportable avec boîtier frigorifique et procédé de fabrication d'une installation de décomposition de l'air à basse température
DE102012006484A1 (de) 2012-03-29 2013-10-02 Linde Aktiengesellschaft Transportables Paket mit einer Coldbox und Verfahren zum Herstellen einer Tieftemperatur-Luftzerlegungsanlage
DE102012006479A1 (de) 2012-03-29 2013-10-02 Linde Ag Transportables Paket mit einer Coldbox und Verfahren zum Herstellen einer Tieftemperatur-Luftzerlegungsanlage
EP2645031A1 (fr) 2012-03-29 2013-10-02 Linde Aktiengesellschaft Colonne de séparation pour une installation de décomposition de l'air à basse température, installation de décomposition de l'air à basse température et procédé de décomposition à basse température de l'air
WO2013143646A2 (fr) 2012-03-29 2013-10-03 Linde Aktiengesellschaft Pack transportable comportant une boîte cryogénique et procédé pour fabriquer une installation de fractionnement de l'air à basse température
DE202013012594U1 (de) 2012-03-29 2017-10-11 Linde Aktiengesellschaft Transportables Paket mit einer Coldbox
DE102012008415A1 (de) 2012-04-27 2013-10-31 Linde Aktiengesellschaft Transportables Paket mit einer Coldbox, Tieftemperatur-Luftzerlegungsanlage und Verfahren zum Herstellen einer Tieftemperatur-Luftzerlegungsanlage
WO2013159868A2 (fr) 2012-04-27 2013-10-31 Linde Aktiengesellschaft Paquet transportable comprenant une boîte froide, installation de décomposition de l'air à basse température et procédé de fabrication d'une installation de décomposition de l'air à basse température
WO2014135271A2 (fr) 2013-03-06 2014-09-12 Linde Aktiengesellschaft Installation de séparation d'air, procédé de récupération d'un produit contenant de l'argon et procédé pour créer une installation de séparation d'air
DE102013018664A1 (de) 2013-10-25 2015-04-30 Linde Aktiengesellschaft Verfahren zur Tieftemperaturzerlegung von Luft und Tieftemperatur-Luftzerlegungsanlage
EP3040665A1 (fr) 2014-12-30 2016-07-06 Linde Aktiengesellschaft Système de colonne de distillation et installation pour la production d'oxygène par séparation cryogénique de l'air
EP3048401A1 (fr) 2015-01-20 2016-07-27 Linde Aktiengesellschaft Procédé et dispositif destinés à l'extraction variable d'argon par la séparation cryogénique de l'air

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DE4317916A1 (de) 1994-12-01
EP0628777A1 (fr) 1994-12-14
ES2125370T3 (es) 1999-03-01
DE59407206D1 (de) 1998-12-10
US5426946A (en) 1995-06-27

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