DK1966554T3 - Apparat til separation af luft ved kryogen destillation - Google Patents

Apparat til separation af luft ved kryogen destillation Download PDF

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Publication number
DK1966554T3
DK1966554T3 DK06842175.9T DK06842175T DK1966554T3 DK 1966554 T3 DK1966554 T3 DK 1966554T3 DK 06842175 T DK06842175 T DK 06842175T DK 1966554 T3 DK1966554 T3 DK 1966554T3
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DK
Denmark
Prior art keywords
section
column
exchanger
conduit
line
Prior art date
Application number
DK06842175.9T
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English (en)
Inventor
Benoit Davidian
Original Assignee
Air Liquide
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Publication of DK1966554T3 publication Critical patent/DK1966554T3/da

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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
    • F25J3/04624—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 integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
    • 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
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04254—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using the cold stored in external cryogenic fluids
    • 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
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)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
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
    • F25J3/04296—Claude expansion, i.e. expanded into the main or 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
    • F25J3/04763—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
    • F25J3/04872—Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • 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
    • F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
    • F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
    • F25J5/007—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger combined with mass exchange, i.e. in a so-called dephlegmator
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
    • 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
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/42—Nitrogen
    • 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
    • F25J2290/44—Particular materials used, e.g. copper, steel or alloys thereof or surface treatments used, e.g. enhanced surface

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)

Claims (6)

1. Apparat til separation af luft ved kryogen destillation med henblik på fremstilling af nitrogen, omfattende: a) en vekslerledning (3), der er en pladeveksler med loddede ribber, b) en simpel destillationskolonne (7), som indeholder plader og/eller strukturerede beklædninger, c) en ledning (1) til levering af komprimeret og renset luft til vekslerledningen, d) en ledning for tilførsel af komprimeret, renset og afkølet luft fra vekslerledningen til destillationskolonnen, e) en ledning (11) til bortsugning af en væske, der er beriget med ilt, fra kolonnen, og sende den til vekslerledningen, og hvorved vekslerledningen omfatter to sammenhængende afsnit, der er et rektificeringsafsnit (3B) og et varmevekslerafsnit (3A); hvorved rektificeringsafsnittet er forbundet til kolonnen og til ledningen for væske, som er beriget med ilt, og hvorved varmevekslerafsnittet er forbundet til luftledningen og rektificeringsafsnittet, hvorved vekslerledningen (3) er beliggende oven over destillationskolonnen (7), kendetegnet ved, at rektificeringsafsnittet (3B) er fastgjort til kolonnens (7) hoved, og kolonnen samt rektificeringsafsnittet er arrangeret således, at den med nitrogen berigede gas udtræder direkte fra kolonnens hoved i denne sektions passager.
2. Apparat ifølge krav 1, omfattende midler til pibling (13) og/eller afspænding af luft (5) eller af fordampningsberiget væske.
3. Apparat ifølge krav 1 eller 2, hvorved ledningen for levering af komprimeret, renset og afkølet luft fra vekslerledningen til destillationskolonnen er forbundet til varmevekslerafsnittets (3A) kolde ende.
4. Apparat ifølge et af de foregående krav, omfattende midler til omfordeling af passagerne mellem varmevekslerafsnittet og rektificeringsafsnittet.
5. Apparat ifølge et af de foregående krav, hvorved vekslerledningen (3) er fremstillet af kobber eller af aluminium, og/eller destillationskolonnen (7) er af rustfrit stål.
6. Apparat ifølge et af de foregående krav, hvorved vekslerledningen (3) og destillationskolonnen (7) er af aluminium.
DK06842175.9T 2005-12-20 2006-12-15 Apparat til separation af luft ved kryogen destillation DK1966554T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0553971A FR2895069B1 (fr) 2005-12-20 2005-12-20 Appareil de separation d'air par distillation cryogenique
PCT/FR2006/051366 WO2007074276A2 (fr) 2005-12-20 2006-12-15 Appareil de separation d'air par distillation cryogenique

Publications (1)

Publication Number Publication Date
DK1966554T3 true DK1966554T3 (da) 2018-10-15

Family

ID=36660838

Family Applications (1)

Application Number Title Priority Date Filing Date
DK06842175.9T DK1966554T3 (da) 2005-12-20 2006-12-15 Apparat til separation af luft ved kryogen destillation

Country Status (9)

Country Link
US (1) US20080271481A1 (da)
EP (1) EP1966554B1 (da)
JP (1) JP5074416B2 (da)
CN (1) CN101341370B (da)
DK (1) DK1966554T3 (da)
ES (1) ES2689041T3 (da)
FR (1) FR2895069B1 (da)
PL (1) PL1966554T3 (da)
WO (1) WO2007074276A2 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2026025A1 (de) * 2007-07-30 2009-02-18 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Gewinnung von Druckstickstoff durch Tieftemperaturzerlegung von Luft in einer Einzelsäule
FR2929384A1 (fr) * 2008-03-27 2009-10-02 Air Liquide Appareil de separation d'air comprenant une simple colonne de distillation
WO2009063146A1 (fr) * 2008-03-28 2009-05-22 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Echangeur de chaleur et appareil de séparation d'air par distillation cryogénique incorporant un tel échangeur
FR2973486B1 (fr) * 2011-03-31 2013-05-03 Air Liquide Procede de separation d'air par distillation cryogenique
EP3914870A4 (en) * 2019-01-25 2022-09-07 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude METHOD AND DEVICE FOR SUPPLYING A SUPPORT GAS UNDER PRESSURE
CN113350815A (zh) * 2020-03-05 2021-09-07 乔治洛德方法研究和开发液化空气有限公司 用于蒸馏塔的液体分配器

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JP2716762B2 (ja) * 1988-12-12 1998-02-18 大同ほくさん株式会社 高純度窒素ガス製造装置
FR2660741A1 (fr) 1990-04-10 1991-10-11 Air Liquide Procede et installation de production d'azote gazeux, et systeme de fourniture d'azote correspondant.
FR2665755B1 (fr) * 1990-08-07 1993-06-18 Air Liquide Appareil de production d'azote.
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US5899093A (en) * 1998-05-22 1999-05-04 Air Liquide Process And Construction, Inc. Process and apparatus for the production of nitrogen by cryogenic distillation
US6079223A (en) * 1999-05-04 2000-06-27 Praxair Technology, Inc. Cryogenic air separation system for producing moderate purity oxygen and moderate purity nitrogen
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Also Published As

Publication number Publication date
EP1966554A2 (fr) 2008-09-10
US20080271481A1 (en) 2008-11-06
WO2007074276A3 (fr) 2007-09-13
WO2007074276A2 (fr) 2007-07-05
ES2689041T3 (es) 2018-11-08
FR2895069B1 (fr) 2014-01-31
EP1966554B1 (fr) 2018-08-15
PL1966554T3 (pl) 2018-11-30
CN101341370A (zh) 2009-01-07
JP2009520176A (ja) 2009-05-21
FR2895069A1 (fr) 2007-06-22
JP5074416B2 (ja) 2012-11-14
CN101341370B (zh) 2011-09-14

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