ES2083795T3 - Sistema y aparato de rectificacion criogenica con columna auxiliar. - Google Patents

Sistema y aparato de rectificacion criogenica con columna auxiliar.

Info

Publication number
ES2083795T3
ES2083795T3 ES93108734T ES93108734T ES2083795T3 ES 2083795 T3 ES2083795 T3 ES 2083795T3 ES 93108734 T ES93108734 T ES 93108734T ES 93108734 T ES93108734 T ES 93108734T ES 2083795 T3 ES2083795 T3 ES 2083795T3
Authority
ES
Spain
Prior art keywords
rectification system
auxiliary column
column
cryogenic rectification
plant
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 - Lifetime
Application number
ES93108734T
Other languages
English (en)
Inventor
Henry Edward Howard
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology 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 Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ES2083795T3 publication Critical patent/ES2083795T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F25J3/04151—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
    • F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
    • F25J3/04206—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product
    • F25J3/04212—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product and simultaneously condensing vapor from a column serving as reflux within the or another 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
    • F25J3/04151—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
    • F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
    • F25J3/042—Division of the main heat exchange line in consecutive sections having different functions having an intermediate feed connection
    • 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
    • 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
    • F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or 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
    • 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
    • F25J3/04436—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 at least a triple pressure main column system
    • F25J3/04448—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 at least a triple pressure main column system in a double column flowsheet with an intermediate 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
    • F25J2200/20—Processes or apparatus using separation by rectification in an elevated pressure multiple column system wherein the lowest pressure column is at a pressure well above the minimum pressure needed to overcome pressure drop to reject the products to atmosphere
    • 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
    • F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
    • F25J2250/50—One fluid 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
    • Y10S62/939—Partial feed stream expansion, air

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)

Abstract

UN SISTEMA DE RECTIFICACION CRIOGENO QUE TIENE UNA COLUMNA AUXILIAR (9) Y UNA PLANTA DE DOBLE COLUMNA (8, 10), EN LA QUE SE VAPORIZA OXIGENO LIQUIDO (55) PROCEDENTE DE LA PLANTA DE DOBLE COLUMNA, CON ANTERIORIDAD A LA RECUPERACION, EN SENTIDO CONTRARIO AL VAPOR (54) SUPERIOR DE LA COLUMNA AUXILIAR, PRODUCIENDO REFLUJO (57) PARA LA PLANTA DE DOBLE COLUMNA, SUSTENTANDO CON ELLO LA RECUPERACION DEL OXIGENO EN CONDICIONES DE PRESION ELEVADA.
ES93108734T 1992-06-01 1993-05-30 Sistema y aparato de rectificacion criogenica con columna auxiliar. Expired - Lifetime ES2083795T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/890,838 US5233838A (en) 1992-06-01 1992-06-01 Auxiliary column cryogenic rectification system

Publications (1)

Publication Number Publication Date
ES2083795T3 true ES2083795T3 (es) 1996-04-16

Family

ID=25397208

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93108734T Expired - Lifetime ES2083795T3 (es) 1992-06-01 1993-05-30 Sistema y aparato de rectificacion criogenica con columna auxiliar.

Country Status (8)

Country Link
US (1) US5233838A (es)
EP (1) EP0572962B1 (es)
CN (1) CN1080990A (es)
CA (1) CA2097207A1 (es)
DE (1) DE69301580T2 (es)
ES (1) ES2083795T3 (es)
MX (1) MX9303144A (es)
ZA (1) ZA933792B (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0636845B1 (en) * 1993-04-30 1999-07-28 The BOC Group plc Air separation
GB9405071D0 (en) * 1993-07-05 1994-04-27 Boc Group Plc Air separation
US5398514A (en) * 1993-12-08 1995-03-21 Praxair Technology, Inc. Cryogenic rectification system with intermediate temperature turboexpansion
GB9325648D0 (en) * 1993-12-15 1994-02-16 Boc Group Plc Air separation
US5402647A (en) * 1994-03-25 1995-04-04 Praxair Technology, Inc. Cryogenic rectification system for producing elevated pressure nitrogen
GB9414938D0 (en) * 1994-07-25 1994-09-14 Boc Group Plc Air separation
US5463871A (en) * 1994-10-04 1995-11-07 Praxair Technology, Inc. Side column cryogenic rectification system for producing lower purity oxygen
US5582036A (en) * 1995-08-30 1996-12-10 Praxair Technology, Inc. Cryogenic air separation blast furnace system
US5546767A (en) * 1995-09-29 1996-08-20 Praxair Technology, Inc. Cryogenic rectification system for producing dual purity oxygen
DE19537913A1 (de) * 1995-10-11 1997-04-17 Linde Ag Dreifachsäulenverfahren zur Tieftemperaturzerlegung von Luft
US5829271A (en) * 1997-10-14 1998-11-03 Praxair Technology, Inc. Cryogenic rectification system for producing high pressure oxygen
GB9724787D0 (en) * 1997-11-24 1998-01-21 Boc Group Plc Production of nitrogen
US5934105A (en) * 1998-03-04 1999-08-10 Praxair Technology, Inc. Cryogenic air separation system for dual pressure feed
US5896755A (en) * 1998-07-10 1999-04-27 Praxair Technology, Inc. Cryogenic rectification system with modular cold boxes
US6536234B1 (en) 2002-02-05 2003-03-25 Praxair Technology, Inc. Three column cryogenic air separation system with dual pressure air feeds
CN102538397A (zh) * 2012-01-18 2012-07-04 开封黄河空分集团有限公司 一种由空气分离制取氮气或制取氮气同时附产氧气的工艺
US10385861B2 (en) * 2012-10-03 2019-08-20 Praxair Technology, Inc. Method for compressing an incoming feed air stream in a cryogenic air separation plant
US20160032934A1 (en) * 2012-10-03 2016-02-04 Carl L. Schwarz Method for compressing an incoming feed air stream in a cryogenic air separation plant
US20160032935A1 (en) * 2012-10-03 2016-02-04 Carl L. Schwarz System and apparatus for compressing and cooling an incoming feed air stream in a cryogenic air separation plant
US10401083B2 (en) * 2015-03-13 2019-09-03 Linde Aktiengesellschaft Plant for producing oxygen by cryogenic air separation
AU2018269511A1 (en) 2017-05-16 2019-11-28 Terrence J. Ebert Apparatus and process for liquefying gases

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079759A (en) * 1961-03-22 1963-03-05 Air Prod & Chem Separation of gaseous mixtures
GB1271419A (en) * 1969-08-16 1972-04-19 Bernard Ramsey Bligh Air distillation process
US4224045A (en) * 1978-08-23 1980-09-23 Union Carbide Corporation Cryogenic system for producing low-purity oxygen
GB2057660B (en) * 1979-05-17 1983-03-16 Union Carbide Corp Process and apparatus for producing low purity oxygen
FR2461906A1 (fr) * 1979-07-20 1981-02-06 Air Liquide Procede et installation cryogeniques de separation d'air avec production d'oxygene sous haute pression
US4604116A (en) * 1982-09-13 1986-08-05 Erickson Donald C High pressure oxygen pumped LOX rectifier
US4453957A (en) * 1982-12-02 1984-06-12 Union Carbide Corporation Double column multiple condenser-reboiler high pressure nitrogen process
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
GB8904275D0 (en) * 1989-02-24 1989-04-12 Boc Group Plc Air separation
US4936099A (en) * 1989-05-19 1990-06-26 Air Products And Chemicals, Inc. Air separation process for the production of oxygen-rich and nitrogen-rich products
US5077978A (en) * 1990-06-12 1992-01-07 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce moderate pressure nitrogen
US5108476A (en) * 1990-06-27 1992-04-28 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with dual temperature feed turboexpansion
US5098456A (en) * 1990-06-27 1992-03-24 Union Carbide Industrial Gases Technology Corporation Cryogenic air separation system with dual feed air side condensers
US5069699A (en) * 1990-09-20 1991-12-03 Air Products And Chemicals, Inc. Triple distillation column nitrogen generator with plural reboiler/condensers
US5098457A (en) * 1991-01-22 1992-03-24 Union Carbide Industrial Gases Technology Corporation Method and apparatus for producing elevated pressure nitrogen

Also Published As

Publication number Publication date
US5233838A (en) 1993-08-10
MX9303144A (es) 1993-12-01
DE69301580D1 (de) 1996-03-28
ZA933792B (en) 1993-12-22
EP0572962A1 (en) 1993-12-08
EP0572962B1 (en) 1996-02-21
CA2097207A1 (en) 1993-12-02
CN1080990A (zh) 1994-01-19
DE69301580T2 (de) 1996-09-26

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