DE69723906D1 - Lufttrennung - Google Patents

Lufttrennung

Info

Publication number
DE69723906D1
DE69723906D1 DE69723906T DE69723906T DE69723906D1 DE 69723906 D1 DE69723906 D1 DE 69723906D1 DE 69723906 T DE69723906 T DE 69723906T DE 69723906 T DE69723906 T DE 69723906T DE 69723906 D1 DE69723906 D1 DE 69723906D1
Authority
DE
Germany
Prior art keywords
air separation
separation
air
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.)
Expired - Fee Related
Application number
DE69723906T
Other languages
English (en)
Other versions
DE69723906T2 (de
Inventor
Paul Higginbotham
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
Application granted granted Critical
Publication of DE69723906D1 publication Critical patent/DE69723906D1/de
Publication of DE69723906T2 publication Critical patent/DE69723906T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • F25J3/04406—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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04854—Safety aspects of operation
    • F25J3/0486—Safety aspects of operation of vaporisers for oxygen enriched liquids, e.g. purging of liquids
    • 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
    • F25J2200/34—Processes or apparatus using separation by rectification using a side column fed by a stream from the low 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
    • F25J2200/94—Details relating to the withdrawal point
    • 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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
    • F25J2215/52—Oxygen production with multiple purity O2
    • 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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
    • F25J2215/56—Ultra high purity oxygen, i.e. generally more than 99,9% O2
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/52—Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O3
    • 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

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)
DE69723906T 1996-04-04 1997-03-21 Lufttrennung Expired - Fee Related DE69723906T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9607200 1996-04-04
GBGB9607200.4A GB9607200D0 (en) 1996-04-04 1996-04-04 Air separation

Publications (2)

Publication Number Publication Date
DE69723906D1 true DE69723906D1 (de) 2003-09-11
DE69723906T2 DE69723906T2 (de) 2004-07-15

Family

ID=10791666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723906T Expired - Fee Related DE69723906T2 (de) 1996-04-04 1997-03-21 Lufttrennung

Country Status (6)

Country Link
US (2) US5928408A (de)
EP (1) EP0805323B1 (de)
JP (1) JP3980114B2 (de)
CN (1) CN1098450C (de)
DE (1) DE69723906T2 (de)
GB (1) GB9607200D0 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807150B1 (fr) * 2000-04-04 2002-10-18 Air Liquide Procede et appareil de production d'un fluide enrichi en oxygene par distillation cryogenique
US6526755B1 (en) * 2001-05-07 2003-03-04 Joseph W. C. Harpster Condensers and their monitoring
US6811592B2 (en) * 2002-03-01 2004-11-02 Johnson & Johnson Vision Care, Inc. Thin film in-line degasser
US7717982B2 (en) * 2003-02-26 2010-05-18 Johnson & Johnson Vision Care, Inc. Thin film in-line degasser
US20050217332A1 (en) * 2004-04-05 2005-10-06 Keller William W Environmentally friendly poultry litter fertilizer
JP6427359B2 (ja) * 2014-08-12 2018-11-21 神鋼エア・ウォーター・クライオプラント株式会社 超高純度酸素の製造方法および超高純度酸素製造装置
US10359231B2 (en) 2017-04-12 2019-07-23 Praxair Technology, Inc. Method for controlling production of high pressure gaseous oxygen in an air separation unit
IT202000016126A1 (it) * 2020-07-03 2022-01-03 Itelyum Regeneration S P A Colonna di distillazione ausiliaria e suo uso

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4560397A (en) * 1984-08-16 1985-12-24 Union Carbide Corporation Process to produce ultrahigh purity oxygen
US4615716A (en) * 1985-08-27 1986-10-07 Air Products And Chemicals, Inc. Process for producing ultra high purity oxygen
US4838913A (en) * 1988-02-10 1989-06-13 Union Carbide Corporation Double column air separation process with hybrid upper column
US4822395A (en) * 1988-06-02 1989-04-18 Union Carbide Corporation Air separation process and apparatus for high argon recovery and moderate pressure nitrogen recovery
JPH0672740B2 (ja) * 1989-01-20 1994-09-14 ル・エール・リクイツド・ソシエテ・アノニム・プール・ル・エチユド・エ・ル・エクスプルワテション・デ・プロセデ・ジエオルジエ・クロード 空気分離及び超高純度酸素製造方法並びに装置
US5049173A (en) * 1990-03-06 1991-09-17 Air Products And Chemicals, Inc. Production of ultra-high purity oxygen from cryogenic air separation plants
US5100448A (en) * 1990-07-20 1992-03-31 Union Carbide Industrial Gases Technology Corporation Variable density structured packing cryogenic distillation system
FR2670278B1 (fr) * 1990-12-06 1993-01-22 Air Liquide Procede et installation de distillation d'air en regime variable de production d'oxygene gazeux.
US5425241A (en) * 1994-05-10 1995-06-20 Air Products And Chemicals, Inc. Process for the cryogenic distillation of an air feed to produce an ultra-high purity oxygen product
US5469710A (en) * 1994-10-26 1995-11-28 Praxair Technology, Inc. Cryogenic rectification system with enhanced argon recovery
US5528906A (en) * 1995-06-26 1996-06-25 The Boc Group, Inc. Method and apparatus for producing ultra-high purity oxygen
US5590543A (en) * 1995-08-29 1997-01-07 Air Products And Chemicals, Inc. Production of ultra-high purity oxygen from cryogenic air separation plants
JPH09184681A (ja) * 1995-11-02 1997-07-15 Teisan Kk 超高純度窒素及び酸素の製造装置
US5582033A (en) * 1996-03-21 1996-12-10 Praxair Technology, Inc. Cryogenic rectification system for producing nitrogen having a low argon content

Also Published As

Publication number Publication date
US5928408A (en) 1999-07-27
JPH1030880A (ja) 1998-02-03
EP0805323B1 (de) 2003-08-06
US6089041A (en) 2000-07-18
CN1098450C (zh) 2003-01-08
DE69723906T2 (de) 2004-07-15
EP0805323A2 (de) 1997-11-05
JP3980114B2 (ja) 2007-09-26
EP0805323A3 (de) 1998-05-27
CN1171533A (zh) 1998-01-28
GB9607200D0 (en) 1996-06-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: LINDE AG, 80807 MUENCHEN, DE

8339 Ceased/non-payment of the annual fee