CA2028252A1 - Methode de production cryogenique de nitrogene haute pression - Google Patents

Methode de production cryogenique de nitrogene haute pression

Info

Publication number
CA2028252A1
CA2028252A1 CA2028252A CA2028252A CA2028252A1 CA 2028252 A1 CA2028252 A1 CA 2028252A1 CA 2028252 A CA2028252 A CA 2028252A CA 2028252 A CA2028252 A CA 2028252A CA 2028252 A1 CA2028252 A1 CA 2028252A1
Authority
CA
Canada
Prior art keywords
high pressure
cryogenic process
reboilers
pressure nitrogen
nitrogen production
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.)
Granted
Application number
CA2028252A
Other languages
English (en)
Other versions
CA2028252C (fr
Inventor
Rakesh Agrawal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of CA2028252A1 publication Critical patent/CA2028252A1/fr
Application granted granted Critical
Publication of CA2028252C publication Critical patent/CA2028252C/fr
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
    • F25J3/04763—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.
    • F25J3/04884—Arrangement of reboiler-condensers
    • 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
    • F25J3/04321—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 oxygen
    • 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
    • F25J3/0443—A main column system not otherwise provided, e.g. a modified double column flowsheet
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/40—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being air
    • 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
    • F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
    • 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/10—Boiler-condenser with superposed stages
    • 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Separation By Low-Temperature Treatments (AREA)
CA002028252A 1989-10-27 1990-10-22 Methode de production cryogenique de nitrogene haute pression Expired - Fee Related CA2028252C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/428,377 US4927441A (en) 1989-10-27 1989-10-27 High pressure nitrogen production cryogenic process
US428377 1989-10-27

Publications (2)

Publication Number Publication Date
CA2028252A1 true CA2028252A1 (fr) 1991-04-28
CA2028252C CA2028252C (fr) 1994-03-22

Family

ID=23698639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002028252A Expired - Fee Related CA2028252C (fr) 1989-10-27 1990-10-22 Methode de production cryogenique de nitrogene haute pression

Country Status (2)

Country Link
US (1) US4927441A (fr)
CA (1) CA2028252C (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205127A (en) * 1990-08-06 1993-04-27 Air Products And Chemicals, Inc. Cryogenic process for producing ultra high purity nitrogen
CA2058883A1 (fr) * 1991-01-15 1992-07-16 Divyanshu Rasiklal Acharya Separation de l'air
US5351492A (en) * 1992-09-23 1994-10-04 Air Products And Chemicals, Inc. Distillation strategies for the production of carbon monoxide-free nitrogen
US5402647A (en) * 1994-03-25 1995-04-04 Praxair Technology, Inc. Cryogenic rectification system for producing elevated pressure nitrogen
US5711167A (en) * 1995-03-02 1998-01-27 Air Liquide Process & Construction High efficiency nitrogen generator
GB9521996D0 (en) * 1995-10-27 1996-01-03 Boc Group Plc Air separation
US5697229A (en) * 1996-08-07 1997-12-16 Air Products And Chemicals, Inc. Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone
US5682762A (en) * 1996-10-01 1997-11-04 Air Products And Chemicals, Inc. Process to produce high pressure nitrogen using a high pressure column and one or more lower pressure columns
US6009723A (en) * 1998-01-22 2000-01-04 Air Products And Chemicals, Inc. Elevated pressure air separation process with use of waste expansion for compression of a process stream
US5934104A (en) * 1998-06-02 1999-08-10 Air Products And Chemicals, Inc. Multiple column nitrogen generators with oxygen coproduction
US6497680B1 (en) 1999-12-17 2002-12-24 Abbott Laboratories Method for compensating for pressure differences across valves in cassette type IV pump
US6546748B1 (en) 2002-06-11 2003-04-15 Praxair Technology, Inc. Cryogenic rectification system for producing ultra high purity clean dry air
US7549301B2 (en) * 2006-06-09 2009-06-23 Praxair Technology, Inc. Air separation method
US20080216511A1 (en) * 2007-03-09 2008-09-11 Henry Edward Howard Nitrogen production method and apparatus
WO2020083525A1 (fr) * 2018-10-23 2020-04-30 Linde Aktiengesellschaft Procédé et installation de séparation d'air à basse température

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1576910A (en) * 1978-05-12 1980-10-15 Air Prod & Chem Process and apparatus for producing gaseous nitrogen
US4617036A (en) * 1985-10-29 1986-10-14 Air Products And Chemicals, Inc. Tonnage nitrogen air separation with side reboiler condenser
US4707994A (en) * 1986-03-10 1987-11-24 Air Products And Chemicals, Inc. Gas separation process with single distillation column
US4662916A (en) * 1986-05-30 1987-05-05 Air Products And Chemicals, Inc. Process for the separation of air
US4662918A (en) * 1986-05-30 1987-05-05 Air Products And Chemicals, Inc. Air separation process
US4662917A (en) * 1986-05-30 1987-05-05 Air Products And Chemicals, Inc. Process for the separation of air
US4783210A (en) * 1987-12-14 1988-11-08 Air Products And Chemicals, Inc. Air separation process with modified single distillation column nitrogen generator
US4883519A (en) * 1988-10-06 1989-11-28 Air Products And Chemicals, Inc. Process for the production of high pressure nitrogen with split reboil-condensing duty
US4848996A (en) * 1988-10-06 1989-07-18 Air Products And Chemicals, Inc. Nitrogen generator with waste distillation and recycle of waste distillation overhead

Also Published As

Publication number Publication date
CA2028252C (fr) 1994-03-22
US4927441A (en) 1990-05-22

Similar Documents

Publication Publication Date Title
CA2028252A1 (fr) Methode de production cryogenique de nitrogene haute pression
US5098457A (en) Method and apparatus for producing elevated pressure nitrogen
CA2016695A1 (fr) Procede de separation de l'air pour l'obtention de produits riches en oxygene et en azote
CA2034645A1 (fr) Methode de rectification a basse pression pour la production d'helium brut
UA19155A (uk) Спосіб hизькотемпературhого розділеhhя повітря та устаhовка для його реалізації
CA2068181A1 (fr) Procede haute pression de separation d'air avec production de liquide
GB1511977A (en) Separation of air
AU5914290A (en) Process and apparatus for producing nitrogen from air
CA2131656C (fr) Methode de separation de l'air a tres basse temperature pour la production d'azote sous pression elevee en pompant de l'azote liquide
CA2007473A1 (fr) Procede de recyclage par liquefaction
US5546767A (en) Cryogenic rectification system for producing dual purity oxygen
CA2264459C (fr) Appareil de rectification cryogenique pour la production d'oxygene a degre de purete eleve ou faible
US5682764A (en) Three column cryogenic cycle for the production of impure oxygen and pure nitrogen
CA2037512A1 (fr) Procede cryogenique de separation de l'air servant a la production d'azote
MY114999A (en) Process and apparatus for the production of nitrogen
US5678427A (en) Cryogenic rectification system for producing low purity oxygen and high purity nitrogen
CA2182126A1 (fr) Systeme de rectification cryogenique a turbodetente biphasee
CA2100404A1 (fr) Liquifacteur hybride d'air et d'azote a recyclage
EP0811816A3 (fr) Procédé et dispositif de production de produits liquides d'air en proportions variables
CA2058847A1 (fr) Separation de l'air
CA2115297A1 (fr) Procede d'enrichissement en krypton/xenon directement dans la colonne d e separation
US5697229A (en) Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone
US5628207A (en) Cryogenic Rectification system for producing lower purity gaseous oxygen and high purity oxygen
GB1371327A (en) Air separation
CA2012217A1 (fr) Procede de rectification cryogenique pour produire de l'azote ultra-pur

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 19960422