EP1103772A1 - Dispositif de production d'argon - Google Patents

Dispositif de production d'argon Download PDF

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Publication number
EP1103772A1
EP1103772A1 EP00100820A EP00100820A EP1103772A1 EP 1103772 A1 EP1103772 A1 EP 1103772A1 EP 00100820 A EP00100820 A EP 00100820A EP 00100820 A EP00100820 A EP 00100820A EP 1103772 A1 EP1103772 A1 EP 1103772A1
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EP
European Patent Office
Prior art keywords
column
argon
air separation
sub
raw
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.)
Withdrawn
Application number
EP00100820A
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German (de)
English (en)
Inventor
Augustin Dipl.-Ing. Rampp
Stefan Möller
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.)
Linde GmbH
Original Assignee
Linde 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 Linde GmbH filed Critical Linde GmbH
Publication of EP1103772A1 publication Critical patent/EP1103772A1/fr
Withdrawn legal-status Critical Current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
    • F25J3/04—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
    • F25J3/04406—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
    • F25J3/04703—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
    • 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
    • F25J3/04721—Producing pure argon, e.g. recovered from a crude argon column
    • F25J3/04727—Producing pure argon, e.g. recovered from a crude argon column using an auxiliary pure argon column for nitrogen rejection
    • 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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/0489—Modularity and arrangement of parts of the air fractionation unit, in particular of the cold box, e.g. pre-fabrication, assembling and erection, dimensions, horizontal layout "plot"
    • 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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04969—Retrofitting or revamping of an existing air fractionation unit
    • 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

Definitions

  • the invention relates to a device for the extraction of argon by rectification an argon-containing fraction with a raw argon column, a feed for the fraction containing argon to the crude argon column and a line for withdrawing one Residual fraction from the raw argon column. Furthermore, the invention relates to a Air separation plant for the production of argon, which has at least one Air separation column for the production of oxygen and / or nitrogen and a Has crude argon column, which is connected via a line for an argon-containing fraction with the Air separation column is connected, and wherein the air separation column and the Raw argon column are thermally insulated.
  • the air contains only about 1% of argon. To be enough To achieve a high argon yield, the argon can only be obtained from a certain point Plant size makes sense.
  • Such air separation plants for the production of argon are generally known and in the specialist literature, for example in Hausen / Linde, Low temperature technology, 2nd edition, p.332 ff, described in detail.
  • a two-column apparatus a pressure column and has a low pressure column, used to separate the air. That one Argon, the so-called Argon belly, is considered to contain essentially oxygen and argon withdrawn gaseous fraction and freed of oxygen in the crude argon column.
  • the crude argon column is usually arranged so that its bottom is approximately on Height of the argon tap of the low pressure column is located, so that at Rectification at the bottom of the crude argon column can be transported back to the low pressure column without a pump.
  • EP-A-0 377 117 a process for the production of argon is relatively higher Purity described, in which packs or packing for the raw argon column Rectification. When using packs, however Height of the raw argon column so large that the height of the raw argon column of the other pillars, making a higher cold box necessary. Out for this reason, EP-A-0 628 777 proposes the crude argon column in two To divide sub-columns, the first sub-column extending from the height of the argon extends to the top of the low-pressure column and the size of the second sub-column is adapted to the height requirements of the remaining theoretical floors.
  • EP-A-0 870 524 tries better the space available in the cold box exploit and proposes a system in which the crude argon column is also divided is.
  • the first sub-column is adapted to the double column and to the procedure and extends from the argon tap to the top of the low pressure column.
  • the second The partial column has the same height as the double column, so that the cold box in the is essentially completely filled out.
  • the object of the invention is to obtain the rectifier argon optimize.
  • An air separation plant according to the invention for the production of argon which at least one air separation column for the production of oxygen and / or Has nitrogen and a crude argon column, via a line for an argon Fraction is connected to the air separation column, and being the air separation column and the crude argon column are thermally insulated, has separate insulations for the Raw argon column and the air separation column.
  • the invention thus provides a portable argon unit and a Air separation plant for nitrogen and / or oxygen production, to which one such a unit, at least containing the crude argon column, is connected for Available.
  • the modular structure of air separation plants has so far only been used by small systems.
  • the modular structure allows the production of the individual parts of an air separation plant in the manufacturing plant, so that the modules on the construction site only with each other need to be connected.
  • argon module forms a separate functional unit within the overall air separation plant system, which is only about the necessary lines are connected to the air separation plant or can be connected.
  • the crude argon column is preferably not in the insulation of the air separation column integrated for nitrogen and / or oxygen production.
  • an inventive Air separation plant with two-stage rectification are the double column and the raw argon column in different casings, the so-called Cold boxes.
  • the raw argon column with insulating jacket is one of them Oxygen / nitrogen recovery part separate unit, which has appropriate feed and Derivatives are connected to the rest of the system.
  • the raw argon column and a pure argon column are advantageously integrated into the module. So a complete argon module is made available, which is an advantage in addition to the rectification columns mentioned, the corresponding ones Head capacitors, a raw argon capacitor and a pure argon capacitor and contains a pure argon evaporator.
  • the necessary connecting lines, any pumps and instrumentation required are included in the Integrated argon module.
  • the crude argon column and the are particularly preferred Pure argon column housed in a common insulation, within which none Devices for generating the argon-containing fraction are provided.
  • the method known from EP-A-0 628 777 for dividing the crude argon column brings in combination with the present invention additional advantages.
  • the Argon or raw argon unit according to the invention can thereby be transported more easily be used to stabilize the relatively thin but high Raw argon column and its insulation necessary effort is reduced.
  • the crude argon column therefore preferably consists of two sub-columns, means for Supply of gas from the top of the first sub-column to the bottom of the second sub-column and Means for supplying liquid from the sump of the second column to the top of the first Sub-column are provided.
  • the crude argon column is usually in relation to the low pressure column or in Ratio to that intended for oxygen and / or nitrogen production Air separation column arranged so that its sump is approximately at the level of Argon tap of the low pressure column or the air separation column. So can the residual liquid collecting in the sump of the crude argon column without use pumped back into the low pressure column or air separation column become.
  • a device for Promotion of a residual fraction from the crude argon column to the air separation column intended is usually in relation to the low pressure column or in Ratio to that intended for oxygen and / or nitrogen production Air separation column arranged so that its sump is approximately at the level of Argon tap of the low pressure column or the air separation column. So can the residual liquid collecting in the sump of the crude argon column without use pumped back into the low pressure column or air separation column become.
  • a device for Promotion of a residual fraction from the crude argon column to the air separation column intended is intended.
  • the associated operating and Reading devices integrated.
  • you get an argon module the prefabricated and can already be tested in the factory.
  • the module containing the raw argon column and the Air separation columns can also be vacuum insulated.
  • the invention compared to the known plants for argon production significant advantages. So far, the argon rectification part has become one Air separation plant specifically matched to the overall plant. According to the invention, the argon unit can now be separated from the rest of the system assembled and tested. If the size of the argon unit allows it, it is even possible assembly and corresponding functional tests in the factory perform. At the construction site, the argon unit only has to be used with the remaining system can be connected via prefabricated lines.
  • the process design of the argon unit according to the invention is based on the desired quantities of argon product and is essentially independent of the structure of the rest of the air separation plant. It is thereby possible to achieve a certain standardization of the argon rectification part of an air separation plant. The costs for the calculation, design and manufacture of the system are reduced.
  • the argon unit is simple and economically interchangeable, so that it is possible, if necessary, to bring about a change in capacity in argon production or to easily retrofit an air separation plant with an argon rectification unit.
  • the use of the argon module according to the invention has proven to be particularly advantageous in air separation plants in which more than 9000 m 3 / h of air are processed.
  • the air separation plant shown has a double column rectifier with a pressure column 2 and low pressure column 3 for the production of nitrogen at the top of the low pressure column 3 and oxygen from the bottom of the low pressure column 3.
  • the double column is cold together with the main heat exchanger 4 and other not shown System components, e.g. Subcoolers, housed in a cold box 1.
  • the Coldbox 1 is thermally insulated with Perlite.
  • a separate cold box 5 there are one divided into two sub-columns 6, 7 Raw argon column, a pure argon column 8 and the corresponding overhead capacitors 9, 10. Both sub-columns 6, 7 are at the bottom of the cold box 5 and have in essentially the same height, so that the cold box 5 is filled as well as possible.
  • the first sub-column 6 is in the usual way through a line 17 through which one in fraction containing essential oxygen and argon in the first sub-column 6 can be fed, connected to the low pressure column 3.
  • the return line 18 is used for the return of accumulating in the sump of the first sub-column 6 Residual liquid to the low pressure column 3. In this return line 18 is a pump 12 for Promotion of residual liquid is provided.
  • the first sub-column 6 does not have a top capacitor.
  • the return liquid for this Column 6 is formed by the bottom liquid of the second sub-column 7, which means a pump 11 is pumped to the head of the sub-column 6.
  • the top capacitor 9 Return liquid for the second part 7 of the crude argon column by condensation Head fraction in indirect heat exchange for sump liquid from pressure column 2, which is supplied via line 19.
  • the resulting steam is returned via line 13 to the low pressure column 3.
  • Excess Bottom liquid is from the top condenser 9 via line 14 in the Low pressure column 3 fed.
  • the top capacitor 10 the pure argon column 8 is supplied with sump liquid from the pressure column 2. Accruing Vapor and excess liquid are removed via lines 15 and 16 which lead into the Lines 13 and 14 open, also passed into the low pressure column 3.
  • a functional argon unit is housed, which over the Connecting lines 13,14,16,17,18 and 19 to the air separation plant Oxygen and nitrogen production is connected.
  • the cold box 5 with the invention Argon unit right next to Coldbox 1, in which the double column 2, 3 and Main heat exchanger 4 are accommodated.
  • the two cold boxes 1 and 5 are connected to each other.
  • the partition 20, the right wall of the Coldbox 1 and most of the left wall of Coldbox 5 corresponds to this arrangement is omitted, whereby a single common cold box is formed.
  • With a spaced arrangement of the cold boxes 1, 5, as shown in FIG. 1, is the space immediately next to the two walls mentioned above, which in FIG Form partition 20, filled with insulating material and therefore not usable.
EP00100820A 1999-11-26 2000-01-17 Dispositif de production d'argon Withdrawn EP1103772A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19957017 1999-11-26
DE1999157017 DE19957017A1 (de) 1999-11-26 1999-11-26 Vorrichtung zur Gewinnung von Argon

Publications (1)

Publication Number Publication Date
EP1103772A1 true EP1103772A1 (fr) 2001-05-30

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EP00100820A Withdrawn EP1103772A1 (fr) 1999-11-26 2000-01-17 Dispositif de production d'argon

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EP (1) EP1103772A1 (fr)
DE (1) DE19957017A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306633A1 (fr) * 2001-10-24 2003-05-02 Linde AG Procédé et dispositif de séparation cryogénique pour la production d'argon et d'oxygène à haute pureté
WO2004088228A3 (fr) * 2003-03-31 2005-03-24 Air Prod & Chem Appareil de distillation d'air cryogenique
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
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
WO2014169989A1 (fr) * 2013-04-18 2014-10-23 Linde Aktiengesellschaft Dispositif de post-équipement pour la décomposition d'air à basse température, installation de post-équipement et procédé de post-équipement d'une installation de décomposition d'air à basse température
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
WO2019144380A1 (fr) 2018-01-26 2019-08-01 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Unité de séparation d'air par distillation cryogénique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377117A1 (fr) * 1988-12-01 1990-07-11 Linde Aktiengesellschaft Procédé et dispositif de séparation de l'air
EP0629829A1 (fr) * 1993-06-03 1994-12-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Installation de distillation d'air
US5505051A (en) * 1994-03-02 1996-04-09 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for restarting an auxilliary column for argon/oxygen separation by distillation and corresponding installation
FR2780147A1 (fr) * 1999-06-29 1999-12-24 Air Liquide Installation de distillation d'air et boite froide correspondante

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377117A1 (fr) * 1988-12-01 1990-07-11 Linde Aktiengesellschaft Procédé et dispositif de séparation de l'air
EP0629829A1 (fr) * 1993-06-03 1994-12-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Installation de distillation d'air
US5505051A (en) * 1994-03-02 1996-04-09 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for restarting an auxilliary column for argon/oxygen separation by distillation and corresponding installation
FR2780147A1 (fr) * 1999-06-29 1999-12-24 Air Liquide Installation de distillation d'air et boite froide correspondante

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1306633A1 (fr) * 2001-10-24 2003-05-02 Linde AG Procédé et dispositif de séparation cryogénique pour la production d'argon et d'oxygène à haute pureté
US7954339B2 (en) 2003-03-31 2011-06-07 Air Products & Chemicals, Inc. Apparatus for cryogenic air distillation
WO2004088228A3 (fr) * 2003-03-31 2005-03-24 Air Prod & Chem Appareil de distillation d'air cryogenique
AU2004225690B2 (en) * 2003-03-31 2008-06-19 Air Products And Chemicals, Inc. Apparatus for cryogenic air distillation
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
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
WO2014169989A1 (fr) * 2013-04-18 2014-10-23 Linde Aktiengesellschaft Dispositif de post-équipement pour la décomposition d'air à basse température, installation de post-équipement et procédé de post-équipement d'une installation de décomposition d'air à basse température
CN105264317A (zh) * 2013-04-18 2016-01-20 林德股份公司 空气低温分离的改造装置、改造系统以及改造低温空气分离系统的方法
CN105264317B (zh) * 2013-04-18 2019-02-12 林德股份公司 空气低温分离的改造装置、改造系统以及改造低温空气分离系统的方法
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
WO2019144380A1 (fr) 2018-01-26 2019-08-01 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Unité de séparation d'air par distillation cryogénique
US11740015B2 (en) 2018-01-26 2023-08-29 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Air separation unit by cryogenic distillation

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