EP1586838A1 - Procédé et dispositif pour la production variable d'un produit comprimé par séparation cryogénique d'air - Google Patents

Procédé et dispositif pour la production variable d'un produit comprimé par séparation cryogénique d'air Download PDF

Info

Publication number
EP1586838A1
EP1586838A1 EP04011434A EP04011434A EP1586838A1 EP 1586838 A1 EP1586838 A1 EP 1586838A1 EP 04011434 A EP04011434 A EP 04011434A EP 04011434 A EP04011434 A EP 04011434A EP 1586838 A1 EP1586838 A1 EP 1586838A1
Authority
EP
European Patent Office
Prior art keywords
pressure
mode
transfer fluid
product
heat transfer
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Withdrawn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
EP04011434A
Other languages
German (de)
English (en)
Inventor
Horst Altmeyer
Andreas Brox
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 EP1586838A1 publication Critical patent/EP1586838A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04812—Different modes, i.e. "runs" of operation
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
    • F25J3/04084—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of 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
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
    • F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression 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
    • F25J3/04248—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
    • F25J3/04248—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
    • 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
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/40—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval

Definitions

  • the invention relates to a method for the variable production of a printed product by cryogenic separation of air according to the preamble of the claim 1 and a corresponding device according to the preamble of the claim 10th
  • the distillation column system of the invention can be used as a single column system for nitrogen-oxygen separation be formed as a two-pillar system (for example as classic Linde double column system), or as a three- or multi-column system. It may be additional to the columns for nitrogen-oxygen separation Devices for obtaining other air components, in particular of noble gases have, for example, an argon recovery.
  • the invention relates to internal compaction processes.
  • At least one of the products for example, nitrogen from high-pressure column or oxygen out Low-pressure column of a two-column system
  • liquid from one of the columns of the Distillation column system or from one connected to one of these columns Capacitor removed, in the liquid state to an increased product pressure brought in indirect heat exchange with a heat transfer fluid (for example Feed air or nitrogen) evaporates or (at supercritical pressure) pseudo-evaporated and finally recovered as gaseous pressure product.
  • a heat transfer fluid for example Feed air or nitrogen
  • the gaseous print product can then, if necessary, a further pressure increase beyond the internal compression pressure (here called "product pressure”) subject become.
  • the invention is based on the object in an economically particularly favorable manner To gain pressure oxygen with variable pressure.
  • the inventive method a total of three in principle have different modes of operation, wherein in a third mode of operation both the first and second liquid product streams in indirect Heat exchange with the heat transfer fluid to be evaporated.
  • the first and second booster can be independent be driven by each other. In many cases, however, it is favorable if the first and the second after-compressor having a common drive.
  • the two compressors can pass through different stages of a multi-stage Compressor are formed, for example, a deduction at an intermediate stage having.
  • the first mode of operation especially if no or virtually no gaseous Print product is produced under the higher pressure, it is advantageous if on the dispensed further recompression of the heat transfer fluid and thus Compression energy is saved.
  • the heat transfer fluid via a lockable Bypass is passed past the second booster. If the first and the second boosters have a common drive, turn the second booster corresponding (n) compressor stage (s) with, but are by Shut off the pressure and suction lines. The blocked stage (s) run evacuated in the bypass, but cause by appropriate Vane adjustment no or no significant pressure increase.
  • Claim 3 is preferably the second after-compressor with respect to the first Operating mode increased load operated. Additionally or alternatively, the first After-compressor with reduced compared to the first mode of operation reduced load become. This results in a particularly energetically favorable operation of the two Boosters.
  • a second part of the process stream downstream of the first Reciprocating be relaxed in a relaxation machine work.
  • the work-performing relaxed stream is preferably in a separation column of the Destarriulen system initiated, for example, in the high-pressure column or the Low-pressure column of a two-column system. That way, the first one becomes Recuperator used simultaneously for internal compression and cooling.
  • the second part of the process stream can be between the first booster and Relaxation machine can be further compressed in a third booster, the is driven in particular by the expansion machine.
  • the heat transfer fluid can through a part of the feed air be formed.
  • the feed air in one Main air compressor is compressed to a pre-pressure, which is lower than the first pressure and then at least part of the air compressed to the admission pressure Process stream is introduced into the first booster.
  • the invention relates to a device for the variable production of a printed product by cryogenic separation of air according to claim 10.
  • atmospheric air 1 in a main air compressor 2 is compressed to a pre-pressure of, for example, 5 to 6 bar and purified under approximately this pressure ( FIG . 3).
  • the entire purified feed air 4 is supplied as a "process stream" to a first secondary compressor 5 and further compressed there to a first pressure of, for example, 30 bar.
  • the total air 6 is branched into a first partial flow 8 and into a second partial flow 9.
  • the first partial flow 8 forms the "heat transfer fluid". He will be in a second After-compressor 10 further compressed to a second pressure of for example 50 bar and supplied under this pressure to the warm end of a main heat exchanger 12 (11). In the main heat exchanger 12 it is cooled and - if the pressure subcritical is - liquefied and then flows through line 13 of the high pressure column and / or Low-pressure column of a distillation column system designed as a two-column system to (not shown).
  • the first liquid product stream 20 is in a valve 22 to a first Product pressure throttled, for example, 10 bar, flows via line 23 to the cold End of the main heat exchanger 12 and occurs there under about the first product pressure in indirect heat exchange with the high-pressure air 11, causing it to evaporate or pseudo-evaporated and warmed to about ambient temperature becomes.
  • the generated oxygen gas forms the first part of the gaseous Printed product.
  • the second liquid product stream 21 is not throttled but flows under the higher second product pressure in the main heat exchanger 12, where he also evaporated in indirect heat exchange with the high pressure air 11 or pseudo-evaporated and warmed to about ambient temperature becomes. It then forms the second part 25 of the gaseous printed product.
  • gaseous product and / or residual streams in the Main heat exchanger 12 are warmed up.
  • gaseous product and / or residual streams in the Main heat exchanger 12 are warmed up.
  • the embodiment is according to a nitrogen-rich residual stream 26/27 shown.
  • the pressure increase in the liquid state may alternatively to the restriction 22 through several pumps or a multi-stage pump with outlet under intermediate pressure be carried out (see, for example, DE 10213212 A1).
  • Figure 1 relates to a "third mode of operation” in which a portion 25 of the oxygen product below the second, higher product pressure is won.
  • a “first mode of operation” in the exclusively printed product 24 is released under the first, lower product pressure, the Heat transfer fluid via line 8 'guided past the second booster 10; Line 8 is doing upstream and downstream of the booster 10th locked off (not shown).
  • the system can also be operated in a "second mode" in which the entire print product is produced under the higher second product pressure.
  • FIG. 2 differs from FIG. 1 in that the second after-compressor 10 a separate drive (in the example: engine), and thus independent of the first booster is operable. He can do so in the "first mode” completely shaded (load 0%) by the heat transfer fluid through the Bypass line 8 'flows.
  • FIG. 1 the description of FIG. 1 also applies to FIG.
  • the methods of the embodiments are accessible to further modifications.
  • the first and / or the second product pressure depending on the needs of the consumer can also be varied during operation.
  • Variation of throughput and pressure ratio of the two booster 5, 10 can this can be done in a particularly energetic way.
  • the machines are powered by motors, in particular electric motors driven.
  • motors in particular electric motors driven.
  • other types of drives such as steam turbines or gas turbines are used. Details like that Aftercooling of the individual compressor stages or the pre-cooling of the air before the Cleaning 3 are not shown in the simplified drawings.
  • a system according to the invention can also be realized without the turbine stream 9 be used in conjunction with a nitrogen turbine instead of the Air turbine 15. Also differing from the embodiments circuit an air turbine is possible; For example, the turbine air before the first After-compressor 5, after the second booster 10 or from a Intermediate stage of one of the two booster 5, 10 are deducted.

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)
EP04011434A 2004-04-06 2004-05-13 Procédé et dispositif pour la production variable d'un produit comprimé par séparation cryogénique d'air Withdrawn EP1586838A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410016931 DE102004016931A1 (de) 2004-04-06 2004-04-06 Verfahren und Vorrichtung zur variablen Erzeugung eines Druckproduktes durch Tieftemperaturzerlegung von Luft
DE102004016931 2004-04-06

Publications (1)

Publication Number Publication Date
EP1586838A1 true EP1586838A1 (fr) 2005-10-19

Family

ID=34924995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04011434A Withdrawn EP1586838A1 (fr) 2004-04-06 2004-05-13 Procédé et dispositif pour la production variable d'un produit comprimé par séparation cryogénique d'air

Country Status (2)

Country Link
EP (1) EP1586838A1 (fr)
DE (1) DE102004016931A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007068858A2 (fr) * 2005-12-15 2007-06-21 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procédé de séparation d'air par distillation cryogénique
EP1845323A1 (fr) * 2006-04-13 2007-10-17 Linde Aktiengesellschaft Procédé et dispositif de production d'un produit sous haute pression par séparation cryogénique d'air
US20150345857A1 (en) * 2014-06-02 2015-12-03 Jeremiah J. Rauch Air separation system and method
US9518778B2 (en) 2012-12-26 2016-12-13 Praxair Technology, Inc. Air separation method and apparatus
WO2017065844A1 (fr) * 2015-10-15 2017-04-20 Praxair Technology, Inc. Procédé de compression d'un courant d'air entrant d'alimentation dans une installation de séparation cryogénique de l'air
WO2017065843A1 (fr) * 2015-10-15 2017-04-20 Praxair Technology, Inc. Procédé de compression d'un flux d'air d'alimentation entrant dans une installation de séparation d'air cryogénique
WO2017065842A1 (fr) * 2015-10-15 2017-04-20 Praxair Technology, Inc. Procédé de compression de flux d'air d'alimentation entrant dans une installation de séparation d'air cryogénique
WO2017074515A1 (fr) * 2015-10-30 2017-05-04 Praxair Technology, Inc. Procédé de commande de la compression d'un flux d'air d'alimentation entrant dans une installation de séparation d'air cryogénique
CN108139147A (zh) * 2015-10-15 2018-06-08 普莱克斯技术有限公司 用于压缩并冷却低温空气分离设备中的进料空气流的系统和装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0841525A2 (fr) * 1996-11-11 1998-05-13 The BOC Group plc Séparation d'air
US5881570A (en) * 1998-04-06 1999-03-16 Praxair Technology, Inc. Cryogenic rectification apparatus for producing high purity oxygen or low purity oxygen
US6185960B1 (en) * 1998-04-08 2001-02-13 Linde Aktiengesellschaft Process and device for the production of a pressurized gaseous product by low-temperature separation of air
US20020170313A1 (en) * 2001-03-09 2002-11-21 Linde Aktiengesellschaft Process and apparatus for separating a gas mixture with emergency operation
FR2831249A1 (fr) * 2002-01-21 2003-04-25 Air Liquide Procede et installation de separation d'air par distillation cryogenique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0841525A2 (fr) * 1996-11-11 1998-05-13 The BOC Group plc Séparation d'air
US5881570A (en) * 1998-04-06 1999-03-16 Praxair Technology, Inc. Cryogenic rectification apparatus for producing high purity oxygen or low purity oxygen
US6185960B1 (en) * 1998-04-08 2001-02-13 Linde Aktiengesellschaft Process and device for the production of a pressurized gaseous product by low-temperature separation of air
US20020170313A1 (en) * 2001-03-09 2002-11-21 Linde Aktiengesellschaft Process and apparatus for separating a gas mixture with emergency operation
FR2831249A1 (fr) * 2002-01-21 2003-04-25 Air Liquide Procede et installation de separation d'air par distillation cryogenique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"PUBLICATION", RESEARCH DISCLOSURE, KENNETH MASON PUBLICATIONS, HAMPSHIRE, GB, no. 430, February 2000 (2000-02-01), pages 239, XP000969014, ISSN: 0374-4353 *

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007068858A2 (fr) * 2005-12-15 2007-06-21 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procédé de séparation d'air par distillation cryogénique
FR2895068A1 (fr) * 2005-12-15 2007-06-22 Air Liquide Procede de separation d'air par distillation cryogenique
WO2007068858A3 (fr) * 2005-12-15 2007-09-13 Air Liquide Procédé de séparation d'air par distillation cryogénique
CN101331374B (zh) * 2005-12-15 2012-05-30 乔治洛德方法研究和开发液化空气有限公司 通过低温蒸馏分离空气的方法
KR101341278B1 (ko) * 2005-12-15 2013-12-12 레르 리키드 쏘시에떼 아노님 뿌르 레？드 에렉스뿔라따시옹 데 프로세데 조르즈 클로드 극저온 증류에 의한 공기의 분리 방법
EP1845323A1 (fr) * 2006-04-13 2007-10-17 Linde Aktiengesellschaft Procédé et dispositif de production d'un produit sous haute pression par séparation cryogénique d'air
EP1845324A1 (fr) * 2006-04-13 2007-10-17 Linde Aktiengesellschaft Procédé et dispositif de production d'un produit sous haute pression par séparation cryogénique d'air
US10519962B2 (en) 2012-10-03 2019-12-31 Praxair Technology, Inc. Method for compressing an incoming feed air stream in a cryogenic air separation plant
US10533564B2 (en) 2012-10-03 2020-01-14 Praxair Technology, Inc. Method for compressing an incoming feed air stream in a cryogenic air separation plant
US10533565B2 (en) 2012-10-03 2020-01-14 Praxair Technology, Inc. Method for compressing an incoming feed air stream in a cryogenic air separation plant
US10443603B2 (en) 2012-10-03 2019-10-15 Praxair Technology, Inc. Method for compressing an incoming feed air stream in a cryogenic air separation plant
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
US9518778B2 (en) 2012-12-26 2016-12-13 Praxair Technology, Inc. Air separation method and apparatus
US10113792B2 (en) 2012-12-26 2018-10-30 Praxair Technology, Inc. Air separation apparatus
WO2015187117A1 (fr) * 2014-06-02 2015-12-10 Praxair Technology, Inc. Système et procédé de séparation d'air
CN106415175A (zh) * 2014-06-02 2017-02-15 普莱克斯技术有限公司 空气分离系统和方法
US9574821B2 (en) 2014-06-02 2017-02-21 Praxair Technology, Inc. Air separation system and method
US20150345857A1 (en) * 2014-06-02 2015-12-03 Jeremiah J. Rauch Air separation system and method
US10254040B2 (en) 2014-06-02 2019-04-09 Praxair Technology, Inc. Air separation system and method
CN106415175B (zh) * 2014-06-02 2019-06-04 普莱克斯技术有限公司 空气分离系统和方法
WO2017065844A1 (fr) * 2015-10-15 2017-04-20 Praxair Technology, Inc. Procédé de compression d'un courant d'air entrant d'alimentation dans une installation de séparation cryogénique de l'air
CN108139145A (zh) * 2015-10-15 2018-06-08 普莱克斯技术有限公司 用于压缩低温空气分离设备中的进料空气流的方法
CN108139146A (zh) * 2015-10-15 2018-06-08 普莱克斯技术有限公司 用于压缩低温空气分离设备中的进料空气流的方法
CN108139147A (zh) * 2015-10-15 2018-06-08 普莱克斯技术有限公司 用于压缩并冷却低温空气分离设备中的进料空气流的系统和装置
WO2017065842A1 (fr) * 2015-10-15 2017-04-20 Praxair Technology, Inc. Procédé de compression de flux d'air d'alimentation entrant dans une installation de séparation d'air cryogénique
WO2017065843A1 (fr) * 2015-10-15 2017-04-20 Praxair Technology, Inc. Procédé de compression d'un flux d'air d'alimentation entrant dans une installation de séparation d'air cryogénique
WO2017074515A1 (fr) * 2015-10-30 2017-05-04 Praxair Technology, Inc. Procédé de commande de la compression d'un flux d'air d'alimentation entrant dans une installation de séparation d'air cryogénique

Also Published As

Publication number Publication date
DE102004016931A1 (de) 2005-10-27

Similar Documents

Publication Publication Date Title
EP3164654B1 (fr) Procédé et dispositif de fractionnement de l'air à basse température à consommation d'énergie variable
EP1134525B1 (fr) Procédé de production d'azote liquide et gazeux avec une quantité variable de liquide
EP2458311A1 (fr) Procédé et dispositif de production d'un produit d'impression gazeux par décomposition à basse température d'air
WO2007104449A1 (fr) Procédé et dispositif de décomposition de l'air à basse température
EP2466236A1 (fr) Procédé de production d'un produit d'impression gazeux par décomposition à basse température de l'air
EP2015012A2 (fr) Procédé pour la séparation cryogénique d'air
EP2015013A2 (fr) Procédé et dispositif de production d'un gaz sous pression par séparation cryogénique d'air
EP2963370B1 (fr) Procede et dispositif cryogeniques de separation d'air
DE10013073A1 (de) Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
EP2299221A2 (fr) Procédé et dispositif destinés à la décomposition à basse température d'air
EP2236964A1 (fr) Procédé et dispositif de séparation de l'air à basse température
DE10060678A1 (de) Maschinensystem zur arbeitsleistenden Entspannung zweier Prozess-Ströme
EP3290843A2 (fr) Procédé et dispositif destiné à fabriquer de l'azote pressurisé et liquide par décomposition à basse température de l'air
EP2963369B1 (fr) Procede et dispositif cryogeniques de separation d'air
EP0768503B1 (fr) Procédé de séparation d'air à triple colonne
EP1586838A1 (fr) Procédé et dispositif pour la production variable d'un produit comprimé par séparation cryogénique d'air
EP2053331A1 (fr) Procédé et dispositif de séparation de l'air à basse température
EP3924677A1 (fr) Procédé et installation pour fournir un ou plusieurs produits présents dans l'air, gazeux et à teneur élevée en oxygène
DE19933558C5 (de) Dreisäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft
DE102007042462A1 (de) Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
EP2568242A1 (fr) Procédé et dispositif destinés à la production d'acier
EP2600090B1 (fr) Procédé et dispositif destinés à la production d'oxygène sous pression par décomposition à basse température de l'air
WO2011110301A2 (fr) Procédé et dispositif de séparation de l'air à basse température
EP1134524B1 (fr) Procédé de production d'azote gazeux
DE10052180A1 (de) Drei-Säulen-System zur Tieftemperatur-Zerlegung von Luft

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK

17P Request for examination filed

Effective date: 20060321

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20070620

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: LINDE AKTIENGESELLSCHAFT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: LINDE AG

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20141202