SG50506A1 - Air separation - Google Patents
Air separationInfo
- Publication number
- SG50506A1 SG50506A1 SG1996002929A SG1996002929A SG50506A1 SG 50506 A1 SG50506 A1 SG 50506A1 SG 1996002929 A SG1996002929 A SG 1996002929A SG 1996002929 A SG1996002929 A SG 1996002929A SG 50506 A1 SG50506 A1 SG 50506A1
- Authority
- SG
- Singapore
- Prior art keywords
- oxygen
- nitrogen
- stream
- column
- liquid
- Prior art date
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
-
- 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
- F25J3/04472—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages
- F25J3/04496—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist
- F25J3/04503—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems
- F25J3/04509—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems within the cold part of the air fractionation, i.e. exchanging "cold" within the fractionation and/or main heat exchange line
-
- 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
- F25J3/04309—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 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
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04351—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams 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
- F25J3/04406—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
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
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)
- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/734,705 US5152149A (en) | 1991-07-23 | 1991-07-23 | Air separation method for supplying gaseous oxygen in accordance with a variable demand pattern |
Publications (1)
Publication Number | Publication Date |
---|---|
SG50506A1 true SG50506A1 (en) | 1998-07-20 |
Family
ID=24952766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996002929A SG50506A1 (en) | 1991-07-23 | 1992-07-17 | Air separation |
Country Status (16)
Country | Link |
---|---|
US (1) | US5152149A (es) |
EP (1) | EP0524785B1 (es) |
JP (1) | JPH07109347B2 (es) |
KR (1) | KR950010557B1 (es) |
CN (1) | CN1068883A (es) |
AT (1) | ATE135457T1 (es) |
AU (1) | AU644962B2 (es) |
CA (1) | CA2067427C (es) |
CZ (1) | CZ227892A3 (es) |
DE (1) | DE69208962T2 (es) |
HU (1) | HU215195B (es) |
IE (1) | IE74402B1 (es) |
MX (1) | MX9202922A (es) |
SG (1) | SG50506A1 (es) |
TR (1) | TR27165A (es) |
ZA (1) | ZA923090B (es) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2680114B1 (fr) * | 1991-08-07 | 1994-08-05 | Lair Liquide | Procede et installation de distillation d'air, et application a l'alimentation en gaz d'une acierie. |
FR2681415B1 (fr) * | 1991-09-18 | 1999-01-29 | Air Liquide | Procede et installation de production d'oxygene gazeux sous haute pression par distillation d'air. |
CN1071444C (zh) * | 1992-02-21 | 2001-09-19 | 普拉塞尔技术有限公司 | 生产气体氧的低温空气分离系统 |
US5228297A (en) * | 1992-04-22 | 1993-07-20 | Praxair Technology, Inc. | Cryogenic rectification system with dual heat pump |
US5275004A (en) * | 1992-07-21 | 1994-01-04 | Air Products And Chemicals, Inc. | Consolidated heat exchanger air separation process |
FR2704632B1 (fr) * | 1993-04-29 | 1995-06-23 | Air Liquide | Procede et installation pour la separation de l'air. |
FR2706195B1 (fr) * | 1993-06-07 | 1995-07-28 | Air Liquide | Procédé et unité de fourniture d'un gaz sous pression à une installation consommatrice d'un constituant de l'air. |
DE19526785C1 (de) * | 1995-07-21 | 1997-02-20 | Linde Ag | Verfahren und Vorrichtung zur variablen Erzeugung eines gasförmigen Druckprodukts |
GB9515907D0 (en) * | 1995-08-03 | 1995-10-04 | Boc Group Plc | Air separation |
FR2739439B1 (fr) * | 1995-09-29 | 1997-11-14 | Air Liquide | Procede et installation de production d'un gaz sous pression par distillation cryogenique |
FR2842124B1 (fr) * | 2002-07-09 | 2005-03-25 | Air Liquide | Procede de conduite d'une installation de production de gaz alimentee en electricite et cette installation de production |
DE10249383A1 (de) * | 2002-10-23 | 2004-05-06 | Linde Ag | Verfahren und Vorrichtung zur variablen Erzeugung von Sauerstoff durch Tieftemperatur-Zerlegung von Luft |
DE102005053690A1 (de) | 2005-11-10 | 2007-05-31 | Airbus Deutschland Gmbh | Werkzeug, Anordnung und Verfahren zum Herstellen eines Bauteils, Bauteil |
US20100041542A1 (en) | 2006-12-29 | 2010-02-18 | Rolf Jacqueline C | Zirconia body and methods |
CN100494839C (zh) * | 2007-04-11 | 2009-06-03 | 杭州杭氧股份有限公司 | 获得液氧和液氮的空气分离系统 |
JP5244491B2 (ja) * | 2008-07-29 | 2013-07-24 | エア・ウォーター株式会社 | 空気分離装置 |
DE102016107468B9 (de) * | 2016-04-22 | 2017-12-21 | Fritz Winter Eisengiesserei Gmbh & Co. Kg | Verfahren und Anlage zur Nutzung eines von einer Gaszerlegeeinrichtung bereitgestellten Zielgases |
WO2021016756A1 (en) * | 2019-07-26 | 2021-02-04 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and apparatus for the separation of air by cryogenic distillation |
CN113654302B (zh) * | 2021-08-12 | 2023-02-24 | 乔治洛德方法研究和开发液化空气有限公司 | 一种低温空气分离的装置和方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1250848B (de) * | 1967-09-28 | Linde Aktiengesellschaft, Wiesbaden | Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft bei Sauerstoffabnahmeschwankungen | |
US3174293A (en) * | 1960-11-14 | 1965-03-23 | Linde Eismasch Ag | System for providing gas separation products at varying rates |
GB890458A (en) * | 1959-12-14 | 1962-02-28 | British Oxygen Co Ltd | Low temperature separation of gas mixtures |
DE1501723A1 (de) * | 1966-01-13 | 1969-06-26 | Linde Ag | Verfahren und Vorrichtung zur Erzeugung gasfoermigen Hochdrucksauerstoffs bei der Tieftemperaturrektifikation von Luft |
FR2300303A1 (fr) * | 1975-02-06 | 1976-09-03 | Air Liquide | Cycle fr |
GB2080929B (en) * | 1980-07-22 | 1984-02-08 | Air Prod & Chem | Producing gaseous oxygen |
GB2125949B (en) * | 1982-08-24 | 1985-09-11 | Air Prod & Chem | Plant for producing gaseous oxygen |
JP2734910B2 (ja) * | 1992-11-12 | 1998-04-02 | 住友金属工業株式会社 | 半導体磁器組成物の製造方法 |
-
1991
- 1991-07-23 US US07/734,705 patent/US5152149A/en not_active Expired - Lifetime
-
1992
- 1992-04-28 ZA ZA923090A patent/ZA923090B/xx unknown
- 1992-04-28 CA CA002067427A patent/CA2067427C/en not_active Expired - Fee Related
- 1992-05-08 AU AU16150/92A patent/AU644962B2/en not_active Ceased
- 1992-05-23 CN CN92104063A patent/CN1068883A/zh active Pending
- 1992-06-03 HU HU9201841A patent/HU215195B/hu not_active IP Right Cessation
- 1992-06-16 MX MX9202922A patent/MX9202922A/es unknown
- 1992-07-17 EP EP92306601A patent/EP0524785B1/en not_active Expired - Lifetime
- 1992-07-17 SG SG1996002929A patent/SG50506A1/en unknown
- 1992-07-17 TR TR00678/92A patent/TR27165A/xx unknown
- 1992-07-17 DE DE69208962T patent/DE69208962T2/de not_active Expired - Fee Related
- 1992-07-17 AT AT92306601T patent/ATE135457T1/de not_active IP Right Cessation
- 1992-07-21 CZ CS922278A patent/CZ227892A3/cs unknown
- 1992-07-22 KR KR1019920013071A patent/KR950010557B1/ko not_active IP Right Cessation
- 1992-07-22 IE IE922375A patent/IE74402B1/en not_active IP Right Cessation
- 1992-07-23 JP JP4196888A patent/JPH07109347B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05203344A (ja) | 1993-08-10 |
ATE135457T1 (de) | 1996-03-15 |
KR930001965A (ko) | 1993-02-22 |
HUT64619A (en) | 1994-01-28 |
KR950010557B1 (ko) | 1995-09-19 |
TR27165A (tr) | 1994-11-10 |
IE922375A1 (en) | 1993-01-27 |
MX9202922A (es) | 1993-01-01 |
HU9201841D0 (en) | 1992-09-28 |
IE74402B1 (en) | 1997-07-30 |
JPH07109347B2 (ja) | 1995-11-22 |
CA2067427C (en) | 1995-06-27 |
US5152149A (en) | 1992-10-06 |
EP0524785B1 (en) | 1996-03-13 |
AU1615092A (en) | 1993-01-28 |
CZ227892A3 (en) | 1993-02-17 |
ZA923090B (en) | 1993-03-31 |
CN1068883A (zh) | 1993-02-10 |
HU215195B (hu) | 1998-10-28 |
DE69208962T2 (de) | 1996-07-25 |
AU644962B2 (en) | 1993-12-23 |
EP0524785A1 (en) | 1993-01-27 |
DE69208962D1 (de) | 1996-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG50506A1 (en) | Air separation | |
US5845517A (en) | Process and device for air separation by low-temperature rectification | |
CA2128565A1 (en) | Cryogenic Rectification Process and Apparatus for Vaporizing a Pumped Liquid Oxygen Product | |
KR100225681B1 (ko) | 저순도 산소 제조용 저온 정류 시스템 | |
US6430962B2 (en) | Production method for oxygen | |
JP3256250B2 (ja) | 可変量のガス状酸素を製造する空気精留方法及び設備 | |
US4932212A (en) | Process for the production of crude argon | |
JPH06241649A (ja) | 空気精留により少なくとも一つの圧力下のガス状製品と少なくとも一つの液体を製造する方法並びに設備 | |
CA2058847A1 (en) | Air separation | |
US5379599A (en) | Pumped liquid oxygen method and apparatus | |
US5697229A (en) | Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone | |
Agrawal et al. | Efficient cryogenic nitrogen generators: an exergy analysis | |
US5626036A (en) | Process for the production of oxygen by cryogenic distillation | |
US5778700A (en) | Method of producing gaseous oxygen at variable rate | |
US7219514B2 (en) | Method for separating air by cryogenic distillation and installation therefor | |
EP0029656A1 (en) | Method and cryogenic plant for producing gaseous oxygen | |
JP3479277B2 (ja) | 可変流量の酸素の送出方法及びこれを使用する低温空気分離装置 | |
JP3539709B2 (ja) | 空気分離装置 | |
EP1318368A1 (en) | Air separation method to produce gaseous product at a variable flow rate | |
JP3355009B2 (ja) | 酸素・窒素ガス製造装置 | |
JPH02101373A (ja) | 空気分離装置 |