JP5074416B2 - 深冷蒸留による空気分離装置 - Google Patents
深冷蒸留による空気分離装置 Download PDFInfo
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- 238000004821 distillation Methods 0.000 title claims description 22
- 238000000926 separation method Methods 0.000 title description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 28
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 19
- 239000001301 oxygen Substances 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000001577 simple distillation Methods 0.000 claims description 2
- 238000010926 purge Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- QJGQUHMNIGDVPM-BJUDXGSMSA-N Nitrogen-13 Chemical compound [13N] QJGQUHMNIGDVPM-BJUDXGSMSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Description
・特に液体再循環を提供するための、投資コスト
・不純物(CnHm、N2O,CO2など)の濃度
・液体パージ
・レベル計測
を課された凝縮器-気化器を排除することである。
a)交換ラインと、
b)プレートおよび/または構造化パッキングを含む単式蒸留カラムと、
c)圧縮され、精製された空気を交換ラインに送るためのラインと、
d)圧縮され、精製されかつ冷却された空気を、交換ラインから蒸留カラムに送るためのラインと、
e)酸素富化液体をカラムから取出し、それを前記交換ラインに送るためのラインと
を含み、交換ラインは精留区画(deflegmation section)と熱交換区画とを含み、;精留区画はカラムと酸素富化液体ラインとに接続され、熱交換区画は空気供給ラインと精留区画とに接続されていることを特徴とする、窒素を生産するために深冷蒸留によって空気を分離するための装置が提供される。
- 交換ラインは蒸留カラムの上に配置され、;
- 精留区画はカラムの頂部に固定され、;
- 注入仕込みのための、および/または空気もしくは気化された富化液体を膨張させるための手段と、;
- 圧縮され、精製されかつ冷却された空気を交換ラインから蒸留カラムに送るためのラインが、熱交換区画の冷端に接続され、;
- 熱交換区画と精留区画との間に通路を再配分させるための手段と、;
- 交換ラインは銅またはアルミニウムから作られ、および/または蒸留カラムはステンレス鋼から作られ、;
- 交換ラインおよび蒸留カラムはアルミニウムから作られ、;
- 交換ラインはプレートおよびろう付けされたひれ付管式の熱交換器である。
交換ラインは、精留区画と、熱交換区画との2つの区画を含み、;精留区画は、カラムと酸素富化液体ラインとに接続され、熱交換区画は、空気供給ラインと精留区画とに接続され、酸素富化液体は、精留区画の中で完全に気化されて酸素富化ガスを生成することを特徴とする、深冷蒸留によって装置の中で窒素を製造する、空気を分離するための方法が提供される。
・ 気化によって僅かしか濃縮されない富化液体の「自然」パージを与える(ポンプ装置のように)、
・ 分散液体パージを使用する必要がないので、
□ 典型的なパージに必要な石詰め(stone filled)ピット(またはドリップポット)、ならびにパージの信頼性および有効性を保証するための装置を含む関連する装置を除外すること、
□ 冷却容量における利益(注入仕込みを具備した装置について、液体窒素の消費が大幅に削減され、それによって稼動コストが削減される)、
□ 安全面で「重要」な、このパージの動作モニタリングを軽減すること
に役立ち、
・ レベル計測、パルスコネクター加熱トング(pulse connector heating tong)、任意的なバーナーおよびレベルゲージの除外、ならびに安全面で「重要」な、この計測の軽減
・ 再循環ポットの除外。
Claims (9)
- a)交換ライン(3)と、
b)プレートおよび/または構造化パッキングを含む単式蒸留カラム(7)と、
c)圧縮され、精製された空気を前記交換ラインに送るためのライン(1)と、
d)圧縮され、精製されかつ冷却された空気を、前記交換ラインから前記蒸留カラムに送るためのラインと、
e)酸素富化液体を前記カラムから取出し、それを前記交換ラインに送るためのライン(11)とを含み、前記交換ラインは2つの区画、すなわち精留区画(3B)と熱交換区画(3A)とを含み、前記精留区画は前記カラムと前記酸素富化液体ラインとに接続され、前記熱交換区画は、前記空気供給ラインと前記精留区画とに接続され、
前記精留区画(3B)内で酸素富化液体が気化され、そして形成された気体が交換ライン3を離れることなく熱交換区画3Aに送られるように、前記精留区画(3B)が前記熱交換区画(3A)に隣接されていることを特徴とする、窒素を生産するために深冷蒸留によって空気を分離するための装置。 - 前記交換ライン(3)が前記蒸留カラム(7)の上に配置されている、請求項1に記載の装置。
- 前記精留区画(3B)が前記カラム(7)の頂部に固定されている、請求項1および2のいずれかに記載の装置。
- 精留区画内に液体窒素を注入仕込み(13)するための、および/または空気(5)もしくは気化された酸素富化液体を膨張させるための手段を含む、先行する請求項のいずれか1項に記載の装置。
- 前記圧縮され、精製されかつ冷却された空気を前記交換ラインから前記蒸留カラムへと送るためのラインが、前記熱交換区画(3A)の冷端に接続されている、先行する請求項のいずれか1項に記載の装置。
- 前記熱交換区画と前記精留区画との間で通路を再配分するための手段を含む、先行する請求項のいずれか1項に記載の装置。
- 前記熱交換ライン(3)が銅またはアルミニウムから作られ、および/または前記蒸留カラム(7)がステンレス鋼から作られている、先行する請求項のいずれか1項に記載の装置。
- 前記交換ライン(3)および前記蒸留カラム(7)がアルミニウムから作られている、先行する請求項のいずれか1項に記載の装置。
- 交換ライン(3)と、プレートおよび/または構造化パッキングを含む単純蒸留カラム(7)とを含む装置内で、窒素を生産するために深冷蒸留により空気を分離するための方法であって、圧縮され、精製された空気を前記交換ラインに送り、圧縮され、精製されかつ冷却された空気を前記交換ラインから前記蒸留カラムに送り、酸素富化液体の流を前記カラムから取出して前記交換ラインに送り、前記交換ラインは、2つの区画、すなわち精留区画(3B)と、熱交換区画(3A)とを含み、前記精留区画は前記カラムと前記酸素富化液体ラインとに接続され、前記熱交換区画は前記空気供給ラインと前記精留区画とに接続され、
前記精留区画(3B)内で酸素富化液体が気化され、そして形成された気体が交換ライン3を離れることなく熱交換区画3Aに送られるように、前記精留区画(3B)が前記熱交換区画(3A)に隣接されており、前記酸素富化液体を、前記精留区画の中で完全に気化させて酸素富化ガスを生成することを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0553971A FR2895069B1 (fr) | 2005-12-20 | 2005-12-20 | Appareil de separation d'air par distillation cryogenique |
FR0553971 | 2005-12-20 | ||
PCT/FR2006/051366 WO2007074276A2 (fr) | 2005-12-20 | 2006-12-15 | Appareil de separation d'air par distillation cryogenique |
Publications (2)
Publication Number | Publication Date |
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JP2009520176A JP2009520176A (ja) | 2009-05-21 |
JP5074416B2 true JP5074416B2 (ja) | 2012-11-14 |
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JP2008546547A Active JP5074416B2 (ja) | 2005-12-20 | 2006-12-15 | 深冷蒸留による空気分離装置 |
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Country | Link |
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US (1) | US20080271481A1 (ja) |
EP (1) | EP1966554B1 (ja) |
JP (1) | JP5074416B2 (ja) |
CN (1) | CN101341370B (ja) |
DK (1) | DK1966554T3 (ja) |
ES (1) | ES2689041T3 (ja) |
FR (1) | FR2895069B1 (ja) |
PL (1) | PL1966554T3 (ja) |
WO (1) | WO2007074276A2 (ja) |
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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 |
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GB1472402A (en) * | 1973-07-18 | 1977-05-04 | Cryoplants Ltd | Air separation |
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. |
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FR2675568B1 (fr) * | 1991-04-19 | 1993-07-16 | Air Liquide | Procede de separation cryogenique de melanges contenant de l'oxygene et garnissages organises pour la mise en óoeuvre de ce procede. |
FR2690231B1 (fr) * | 1992-04-17 | 1994-06-03 | Air Liquide | Echangeur de chaleur a ruissellement et installation de distillation d'air comportant un tel echangeur. |
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JP3957842B2 (ja) * | 1997-11-25 | 2007-08-15 | 大陽日酸株式会社 | 窒素製造方法及び装置 |
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 |
US6125656A (en) * | 1999-11-03 | 2000-10-03 | Praxair Technology, Inc. | Cryogenic rectification method for producing nitrogen gas and liquid nitrogen |
US6295836B1 (en) * | 2000-04-14 | 2001-10-02 | Praxair Technology, Inc. | Cryogenic air separation system with integrated mass and heat transfer |
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JP4520667B2 (ja) * | 2001-07-17 | 2010-08-11 | 大陽日酸株式会社 | 空気分離方法および装置 |
EP1300640A1 (de) * | 2001-10-04 | 2003-04-09 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Gewinnung von hoch reinem Stickstoff durch Tieftemperaturzerlegung von Luft |
US6907751B2 (en) * | 2002-07-30 | 2005-06-21 | Air Products And Chemicals, Inc. | Liquid distributor |
JP4230213B2 (ja) * | 2002-12-24 | 2009-02-25 | 大陽日酸株式会社 | 空気液化分離装置及び方法 |
-
2005
- 2005-12-20 FR FR0553971A patent/FR2895069B1/fr not_active Expired - Fee Related
-
2006
- 2006-12-15 WO PCT/FR2006/051366 patent/WO2007074276A2/fr active Application Filing
- 2006-12-15 DK DK06842175.9T patent/DK1966554T3/en active
- 2006-12-15 EP EP06842175.9A patent/EP1966554B1/fr active Active
- 2006-12-15 JP JP2008546547A patent/JP5074416B2/ja active Active
- 2006-12-15 ES ES06842175.9T patent/ES2689041T3/es active Active
- 2006-12-15 US US12/097,641 patent/US20080271481A1/en not_active Abandoned
- 2006-12-15 PL PL06842175T patent/PL1966554T3/pl unknown
- 2006-12-15 CN CN2006800479541A patent/CN101341370B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
FR2895069B1 (fr) | 2014-01-31 |
PL1966554T3 (pl) | 2018-11-30 |
EP1966554A2 (fr) | 2008-09-10 |
US20080271481A1 (en) | 2008-11-06 |
DK1966554T3 (en) | 2018-10-15 |
WO2007074276A2 (fr) | 2007-07-05 |
EP1966554B1 (fr) | 2018-08-15 |
CN101341370B (zh) | 2011-09-14 |
JP2009520176A (ja) | 2009-05-21 |
CN101341370A (zh) | 2009-01-07 |
FR2895069A1 (fr) | 2007-06-22 |
WO2007074276A3 (fr) | 2007-09-13 |
ES2689041T3 (es) | 2018-11-08 |
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